let caseid = '';
let catid = '';
let case_access_token = '';
let state = 'new';

let root_domain = getRootDomain(window.location);

let params = new URLSearchParams(window.location.search);

let last_caseinfo_md5 = "";
let pause_case_documents_syncing = false;
let document_uploading = false;
let documentAnalyseFailover = false;
let summaryAnalyseFailover = false;
let rantokmizeRunning = false;

let currentAudio = null; // This variable will hold the currently playing audio
let audioVolume = 1.0; // This variable will hold the currently playing audio

let socket = null;

let months_long, months, days_long, days;

const sourcePage = window.location.pathname.split('/')[1];
const reference = getQueryParam('ref');
const userAgentString = navigator.userAgent;

let currentOpenDatePickerTd; // This will hold the td that was clicked


// MAIN
$(document).ready(function() {

    const origin = get_cookie("origin");

    months_long = _settings.translations.js_months_long.toLowerCase().split('|');
    months = _settings.translations.js_months_short.toLowerCase().split('|');
    days_long = _settings.translations.js_weekdays_long.toLowerCase().split('|');
    days = _settings.translations.js_weekdays_short.toLowerCase().split('|');

    console.log("LegalAI script (WEB)");

    let caseForm = document.getElementById('case_form');
    let savedVolumeState = get_cookie("audioVolumeState");

    if (savedVolumeState) {
	let $volumeButton = $('#speak_volume');

        setVolumeState($volumeButton, savedVolumeState);

        // If the saved state is muted, apply the shake animation
        if (savedVolumeState === "muted") {
            $volumeButton.addClass('fa-shake');
            setTimeout(function() {
                $volumeButton.removeClass('fa-shake');
            }, 2500);  // remove the animation classes after it completes
        }
    }

    $(document).on('click', function(e){
        // If the clicked element is not part of the tooltip
	if (!$(e.target).closest('.tooltip').length) {
    	    $(".tooltip").each(function() {
        	// Check if the tooltip is initialized
        	if ($(this).tooltip("instance")) {
            	    $(this).tooltip("close");
        	}
    	    });
	}

	// If the clicked element is not part of the PDF preview, hide the preview
	if (!$(e.target).closest('#pdf-preview').length) {
    	    $('#pdf-preview').hide();
	}
    });

    $('#speak_volume').click(function() {
        let currentState = $(this).hasClass('fa-volume-high') ? 'muted' : 'high';
	setVolumeState($(this), currentState);
    });

});


async function newWssSocket( case_access_token ){
    // If socket is already connected, close it.
    if ( isSocketConnected() ){
        socket.close();
        socket = null; // Set socket to null to ensure a fresh connection.
    }

    // Hash the case_access_token
    const sha512_case_access_token = await sha512( case_access_token );
    const sha512_sha512_case_access_token = await sha512( sha512_case_access_token );

    // Now create a new WebSocket connection
    socket = new WebSocket( 'wss://wss.legalai.cloud/'+ sha512_sha512_case_access_token );

    // Add event listener for when the connection opens
    socket.addEventListener( 'open', function(){
        // Send an authentication message after connection opens
        const authMessage = JSON.stringify({ type: 'authenticate', sha512_token: sha512_case_access_token });
        socket.send( authMessage );
//        console.log( 'Authentication message sent:', authMessage );
    });

    socket.addEventListener( 'message', function( e ){

        console.log( 'Received data:', e.data );
        if ( /^legalai\|\d+$/.test( e.data ) ){
            checkCaseInfo();
        }
    });
}

function isSocketConnected(){
    return socket && socket.readyState === WebSocket.OPEN;
}

function showDialog(title, text) {
    $('<div>').html(text).dialog({
        title: title,
        modal: true,
        buttons: {
            Ok: function() {
                $(this).dialog("close"); // close the dialog when the Ok button is clicked
		stopSpeaking();
            }
        },
        close: function() {
            $(this).remove(); // remove the dialog from the DOM after it's closed
        }
    });
}
function showConfirmDialog(title, text, callback, relativeElement = null) {
    $('<div>', { text: text }).dialog({
        title: $('<div>').html(title).text(),
        modal: true,
        width: function() {
            return Math.max($(window).width() * 0.3, 360);
        },
        position: relativeElement ? { my: 'right top', of: relativeElement } : { my: 'center', at: 'center', of: window },
        buttons: [
            {
                text: _settings.translations.yes,
                click: function() {
                    callback(true); // Call the callback with `true` when Yes is clicked
                    $(this).dialog("close");
                }
            },
            {
                text: _settings.translations.no,
                click: function() {
                    callback(false); // Call the callback with `false` when No is clicked
                    $(this).dialog("close");
                }
            }
        ],
        close: function() {
            $(this).remove();
        }
    });
}

function bdgujd( s ){
    return JSON.parse( decompressData( s ) );
}

function ucfirst(str) {
    return str.charAt(0).toUpperCase() + str.slice(1);
}

function styleOddRows() {
    $('#case-table table tbody tr').each(function(index) {
        $(this).toggleClass('odd', index % 2 !== 0);
        $(this).toggleClass('even', index % 2 == 0);
    });
}

// Function to initialize tooltips
function initializeTooltips() {
    $(".tooltip").tooltip({
        items: ".tooltip",
        content: function() {
            return $(this).data("tooltiptext");
        },
        track: true
    });
}

function sortTable() {
    let rows = $('#case-table table tbody tr').get(); // Get all rows as an array

    // Sort the array based on data-timestamp
    rows.sort(function(a, b) {
    	let aTimestamp = $(a).find('.date-info').attr('data-timestamp');
    	let bTimestamp = $(b).find('.date-info').attr('data-timestamp');

    	if (aTimestamp > bTimestamp) {
    	    return 1;
    	}
    	if (aTimestamp < bTimestamp) {
    	    return -1;
    	}
    	return 0;
    });

    // Append the sorted rows back to the table
    $.each(rows, function(index, row) {
        $('#case-table table').children('tbody').append(row);
    });

    if (currentOpenDatePickerTd) {
    	let newOffset = currentOpenDatePickerTd.offset();
    	$('.ui-datepicker').css({ top: newOffset.top + currentOpenDatePickerTd.innerHeight(), left: newOffset.left });
    }
}

function formatDate(unixTimestamp) {

    const date = new Date(unixTimestamp * 1000); // Convert to milliseconds
    const day = date.getDate().toString().padStart(2, '0'); // Ensure the day is always 2 digits
    const month = months[date.getMonth()];
    const year = date.getFullYear();
    const dayOfWeek = ucfirst( days[date.getDay()] );

    // Extract the hours and minutes, padding with zeros if needed
    const hours = date.getHours().toString().padStart(2, '0');
    const minutes = date.getMinutes().toString().padStart(2, '0');

    return `${dayOfWeek} ${day}. ${month} ${year} kl.${hours}:${minutes}`;
}

function setDateInfo() {
    $('#case-table table td.date-info').each(function() {
        const unixTimestamp = $(this).attr('data-timestamp');
        const formattedDate = formatDate(unixTimestamp);
        $(this).html(formattedDate);
    });

    sortTable(); // Call sortTable after updating date info
    styleOddRows();
}

// Function to be called on click
function handleDateInfoClick(tdElement) {
    currentOpenDatePickerTd = $(tdElement); // Set the current td

    let input = $('<input>')
    	.attr('type', 'text')
    	.css({
    	    position: 'absolute',
    	    left: $(tdElement).offset().left,
    	    top: $(tdElement).offset().top,
    	    width: 0,
    	    height: $(tdElement).innerHeight(),
	    opacity: 0
    	})
    	.appendTo('body');


    let initialDate = new Date($(tdElement).attr('data-timestamp') * 1000); // Create a Date object from the Unix timestamp


    input.datetimepicker({
	firstDay: 1, // Monday
    	dateFormat: 'dd.mm.yy',
    	timeFormat: 'HH:mm',

	dayNamesMin: days.map( day => ucfirst( day ) ),
	monthNames: months_long.map( month => ucfirst( month ) ),
	monthNamesShort: months.map( month => ucfirst( month ) ),
	timeText: _settings.translations.js_time_text,
	hourText: _settings.translations.js_hour_text,
	minuteText: _settings.translations.js_minute_text,
	currentText: $('<div>').html(_settings.translations.js_current_text ).text(),
	closeText: $('<div>').html( _settings.translations.js_close_text ).text(),

	beforeShow: function(dateTimeText, inst) {
	    pause_case_documents_syncing = true;
    	    setDateInfo();
	},
    	onSelect: function(dateTimeText, inst) {
	    $('.ui_tpicker_hour_label').text('Hour');   // For hour label
            $('.ui_tpicker_minute_label').text('Minute'); // For minute label
            $('.ui_tpicker_time_label').text('Time');   // For general time label

    	    let unixTimestamp = $.datepicker.parseDateTime('dd.mm.yy', 'HH:mm', dateTimeText).getTime() / 1000; // Convert to Unix timestamp
    	    $(this).closest('td').attr('data-timestamp', unixTimestamp);
    	    $(tdElement).attr('data-timestamp', unixTimestamp);
    	    setDateInfo();

	    let document_id = $(tdElement).closest('tr').attr('data-nid');
	    timestampDocument( case_access_token, document_id, unixTimestamp );
    	},
	onClose: function(dateTimeText, inst) {
    	    let unixTimestamp = $.datepicker.parseDateTime('dd.mm.yy', 'HH:mm', dateTimeText).getTime() / 1000; // Convert to Unix timestamp
    	    $(this).closest('td').attr('data-timestamp', unixTimestamp);
    	    $(tdElement).attr('data-timestamp', unixTimestamp);
    	    setDateInfo();

	    let document_id = $(tdElement).closest('tr').attr('data-nid');
	    timestampDocument( case_access_token, document_id, unixTimestamp );

	    $('#case-table table tbody tr').removeClass('sorting-drag');
	    currentOpenDatePickerTd = null;
	    pause_case_documents_syncing = false;

	}
    });

    input.datetimepicker('setDate', initialDate);
    input.datetimepicker('show');
}

// This function uploads a file using AJAX
function uploadFile(file) {
    let formData = new FormData();
    formData.append('case_access_token', case_access_token);
    formData.append('file', file);
    document_uploading = true;
    pause_case_documents_syncing = true;

    $('#upload-overlay').css('display', 'flex');
    let info_text = _settings.translations.uploading_file;
    $('#upload-overlay div button span').text( info_text );

    speak( info_text, 'female');

    // Set the cursor to 'progress'
    document.body.style.cursor = 'progress';

    $.ajax({
	xhrFields: {
    	    withCredentials: true
	},
        url: 'https://api.'+ root_domain +'/api/2023-06/case_document_upload', // replace with the URL of your file upload endpoint
        type: 'POST',
        data: formData,
        cache: false,
        contentType: false,
        processData: false,
	timeout: 60000,  // 60 seconds (break if loading file takes to long)
        success: function(response) {
            console.log('File uploaded successfully');

//	    let info_text = htmlDecode( "Filen er lastet opp. Den vil n&aring; blir bearbeidet og lagt til i dokumentoversikten innen kort tid." );
	    info_text = htmlDecode( _settings.translations.file_being_analyzed );
	    $('#upload-overlay div button span').text( info_text );
	    speak( info_text, 'female', function(){
		document_uploading = false;
		pause_case_documents_syncing = false;

		// Set a delay to check and hide the overlay after 60 seconds (fallback)
		documentAnalyseFailover = setTimeout(function() {
		    if ($('#upload-overlay').css('display') !== 'none') {
    			// Restore mouse cursor and remove "upload and processing" overlay
    			document.body.style.cursor = 'auto';
    			$('#upload-overlay').hide();

			info_text = htmlDecode( _settings.translations.file_analyze_error );
			speak( info_text, 'female', function(){
			    showDialog( _settings.translations.uploading, info_text );
			});
		    }
		}, 60000 ); // One minute
	    });
        },
        error: function(response) {
	    $('#upload-overlay').hide();
            console.log('File upload error');
	    document.body.style.cursor = 'auto';

	    info_text = htmlDecode( _settings.translations.file_upload_error );
	    speak( info_text, 'female', function(){
		showDialog( _settings.translations.uploading, info_text );
		document_uploading = false;
		pause_case_documents_syncing = false;
	    });
        }
    });
}

function getSessionCaseAccessToken( sourcePage ){
    $.ajax({
    	url: 'https://api.'+ root_domain +'/api/2023-06/session_case_access_token',
    	type: 'GET',
    	contentType: 'application/json',
    	xhrFields: {
    	    withCredentials: true
    	},
	success: function( response, textStatus, jqXHR) {
    	    if (jqXHR.status === 200) {
		// Case is in Reviewing state - redirect to infopage
		if ( response.data.case_access_token && response.data.case_access_token.length > 0 ){
		    case_access_token = response.data.case_access_token;
		    catid = response.data.catid;
		    have_clientinfo = response.data.have_clientinfo;

		    loginInit( catid, case_access_token );

		    if ( sourcePage == 'w1' ){
			checkCaseAccessTokenState();

		    } else if ( sourcePage == 'w2' ){
			checkCaseInfo();

		    } else if ( sourcePage == 'w3' && have_clientinfo ){
			console.log( 'page w3' );
			$('#div-postform').hide();
		    }

		} else {

            	    console.log('No case_access_token');
		    if ( sourcePage != 'w1' ){
			top.window.location.href = '/w1';
		    }
		}

    	    } else if (jqXHR.status === 304) {
            	console.log('No changes');

    	    } else {
                console.error('Error fetching case info:', response.status);
    	    }
    	},
    	error: function(jqXHR, textStatus, errorThrown) {
    	    console.error('Error fetching case info:', textStatus, errorThrown);
    	}
    });
}

function deleteSession(){
    $.ajax({
    	url: 'https://api.'+ root_domain +'/api/2023-06/session_case_access_token',
    	type: 'DELETE',
    	contentType: 'application/json',
    	xhrFields: {
    	    withCredentials: true
    	},
	success: function( response, textStatus, jqXHR) {
    	    if ( jqXHR.status === 200 ){
		top.document.location.href = '/w1';
    	    } else {
                console.error('Error deleting session:', response.status);
    	    }
    	},
    	error: function(jqXHR, textStatus, errorThrown) {
    	    console.error('Error with server to delete session:', textStatus, errorThrown);
    	}
    });
}

function checkCaseAccessTokenState(){
    if ( case_access_token && case_access_token.length > 0 ){
        console.log( 'Existing(w) CASE_ACCESS_TOKEN: '+ case_access_token );

//	loginInit( catid, case_access_token );

	// Set up our HTTP request
	fetch( 'https://api.'+ root_domain +'/api/2023-06/case_info', {
	    method: 'POST',
	    headers: { 'Content-Type': 'application/json' },
	    credentials: 'include',
	    body: JSON.stringify({ 'case_access_token': case_access_token }	)
	})
	.then(
	    response=>response.json()
	)
	.then(
	    data=> {
		console.log( 'Success2:', data );
		if ( data.status.code == 200 ){
		    state = data.caseinfo.state;
		    console.log( state );
		    if ( state == 'active' ){
	    		$('#part0').hide();
			$('#part1_4 #case_button-explanation').dblclick();

		    } else if ( ( state == 'reviewing' || state == 'done' ) && sourcePage != 'w3' ){
			top.window.location.href = '/w3';
		    }
		}
	    }
	)
	.catch( ( error )=>{
	    console.error( 'Error2:', error );
	});

    }
}

function checkCaseInfo(){
    if ( case_access_token && case_access_token.length > 0 && pause_case_documents_syncing == false ){
        console.log( 'Existing(w) CASE_ACCESS_TOKEN: '+ case_access_token );

	$.ajax({
    	    url: 'https://api.'+ root_domain +'/api/2023-06/case_info',
    	    type: 'POST',
    	    contentType: 'application/json',
    	    xhrFields: {
        	withCredentials: true
    	    },
    	    data: JSON.stringify({
        	'case_access_token': case_access_token, // Replace with the actual case token
        	'last_md5': last_caseinfo_md5 // Include the last known MD5 hash
    	    }),
	    success: function( response, textStatus, jqXHR) {
        	if (jqXHR.status === 200) {
            	    last_caseinfo_md5 = response.currentMd5; // Assuming the MD5 is included in the response data

		    // Case is in Reviewing state - redirect to infopage
		    if ( response.caseinfo ){
            		console.log( 'Case info has changed:', response.caseinfo );
			if ( ( response.caseinfo.state == 'reviewing' || response.caseinfo.state == 'done' ) && sourcePage != 'w3' ){
			    top.window.location.href = '/w3';

			} else if ( $('#chat_div-summary').length ){

			    if ( response.caseinfo.summary == '' || $('<div/>').html( response.caseinfo.summary ).text() == '<EMPTY>' ){
//				summary = '<div style="width: 100%"><center><span>'+ _settings.translations.working_on_summary +'</span> <img id="caseinfo_summary_spinner" src="/images/spinner.gif"></center></div>';
//				$('#div-buttons1').hide();

				summary = response.caseinfo.explanation;

//				console.log( 'Setting summaryAnalyseFailover timeout');
//				summaryAnalyseFailover = setTimeout( function(){
//				    console.log( 'Doing: checkCaseInfo()' );
//				    last_caseinfo_md5 = "";
//				    checkCaseInfo();
//				}, 120000 ); // Two minutes

			    } else if ( $('<div/>').html( response.caseinfo.summary ).text() == '<FAULT>' ){
//				summary = _settings.translations.unable_to_create_summary;
				summary = $.trim( response.caseinfo.explanation );
				$('#div-buttons1').slideDown();

			    } else {
    				clearTimeout(summaryAnalyseFailover);
        			console.log('summaryAnalyseFailover cleared');

				summary = $.trim( response.caseinfo.summary );
				$('#div-buttons1').slideDown();
			    }
			    updateDiv('chat_div-summary', summary, true);

			} else {
			    updateEmail( response.caseinfo.case_email_token );
		    	    updateTableData( response.caseinfo );
			}
		    }

        	} else if ( jqXHR.status === 304 ){
            	    console.log('Case info has not changed.');
//            	    console.error('Error fetching case info:', response.status);
        	}
    	    },
    	    error: function( jqXHR, textStatus, errorThrown ){

        	if ( jqXHR.status === 403 ){
		    case_access_token = '';
            	    console.log('No access.');
		    $("<div>")
        		.attr("title", _settings.translations.access_denied)
        		.text(_settings.translations.no_access_message)
        		.dialog({
            		    modal: true,
            		    buttons: {
                		"OK": function() {
                    		    $(this).dialog("close");
                    		    // Redirect to root path '/' after clicking OK
                    		    window.location.href = '/';
                		}
            		    },
            		    close: function() {
                		$(this).dialog("destroy").remove();
            		    }
        		});

        	}
        	console.error('ERROR fetching case info:', textStatus, errorThrown);
    	    }
	});
    }
}

function rantokmize(text, div, delay, onComplete) {
    let decodedText = htmlDecode(text);
    let pieces = decodedText.split(/(?=\s|\b)/g);

    clearTimeout(rantokmizeRunning);

    // Add the fa-angles-down icon under the div using the ::before pseudo-element
    $("#" + div).css("position", "relative").addClass("show-icon");
    console.log("rantokmize: " + div);

    let i = 0;
    let wasClicked = false;

    $("#" + div).on('click', function() {
        wasClicked = true;
    });

    function processPiece() {
        if (i >= pieces.length || wasClicked ) {
	    if (wasClicked) {
		updateDiv(div, text, true);
    	        $("#" + div).removeClass("show-icon");
	        stopSpeaking();
	    }

            // Remove the fa-angles-down icon once writing is done
            $("#" + div).removeClass("show-icon");

	    // Call the provided onComplete callback
    	    if (onComplete && typeof onComplete === "function") {
    	        onComplete();
    	    }
            return;
        }

        let piece = pieces[i];
        if (piece.length > 5 || (piece.length > 2 && Math.random() < 0.66)) {
            let randomIndex = Math.floor(Math.random() * piece.length / 1.7);
            updateDiv(div, piece.substring(0, randomIndex), false);
            pieces[i] = piece.substring(randomIndex);
        } else {
            updateDiv(div, piece, false);
            i++;
        }

        rantokmizeRunning = setTimeout(processPiece, delay);
    }

    processPiece(); // Kick off the process
}
function speak(text, voice, onStarted) {
    if (typeof voice === 'undefined') {
	voice = 'female';
    }
    // Make the POST request to the text-to-speech endpoint
    fetch("https://api."+ root_domain +"/api/2023-06/text2speech", {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            text: text.replace(/[:\n]/g, '. '),
	    engine: 'google',
	    voice: voice,
	    language: _settings.language
        })
    })
    .then(response => response.json())
    .then(data => {
	stopSpeaking();

        // Parse the response if needed
        currentAudio = new Audio(data.mp3file);

	currentAudio.volume = audioVolume;

	if ( userAgentString.match( /iPhone/i ) || userAgentString.match( /iPad/i ) ){
            onStarted();
	} else {
    	    // Add an event listener for the 'canplaythrough' event
    	    currentAudio.addEventListener('canplaythrough', function() {
        	console.log('The mp3file is ready to be played without interruptions.');

if ( userAgentString.match( /iPhone/i ) || userAgentString.match( /iPad/i ) ){
//    alert('2 '+userAgentString);
}

        	// Start playing the audio
        	currentAudio.play();

        	// Call the onStarted callback after playing has started
        	if (onStarted && typeof onStarted === "function") {
            	    onStarted();
        	}
    	    });
	}
    })
    .catch((error) => {
        console.error('Error fetching mp3file:', error);
    });
}
function stopSpeaking() {
    if (currentAudio) {
        currentAudio.pause();

        // Manually trigger the 'ended' event
        let event = new Event('ended');
        currentAudio.dispatchEvent(event);
    }
}

function copyToClipboard( element ){
    let $temp = $("<input>");
    $("body").append($temp);
    $temp.val($(element).text()).select();
    document.execCommand("copy");
    $temp.remove();
}

function htmlDecode(input){
  let doc = new DOMParser().parseFromString(input, "text/html");
  return doc.documentElement.textContent;
}

function updateDiv(div, text, shouldSet) {
    $(div).slideDown();
    // Replace all new line characters with HTML line breaks
    text = text.replace(/\n/g, '<br>');
    // If shouldSet is true, set the innerHTML. Otherwise, append.
    if (shouldSet) {
        document.getElementById(div).innerHTML = text;
    } else {
        document.getElementById(div).innerHTML += text;
    }
}

function updateSummary(case_access_token, newSummary) {
    $.ajax({
	xhrFields: {
            withCredentials: true
        },
        url: 'https://api.'+ root_domain +'/api/2023-06/case_summary_update',
        type: 'PATCH',
        contentType: 'application/json',
        data: JSON.stringify({
            'case_access_token': case_access_token,
            'summary': newSummary
        }),
        success: function(response, textStatus, jqXHR) {
            if (jqXHR.status === 200) {
                console.log('Summary updated successfully:', response.data);
                // You can add any logic to be executed after a successful summary update here
            } else {
                console.error('Error updating summary:', response.status);
            }
        },
        error: function(jqXHR, textStatus, errorThrown) {
            console.error('Error updating summary:', textStatus, errorThrown);
        }
    });
}

function requestSummary(case_access_token) {

    console.log('Summary request comment out');
    window.top.location.href = '/w2';

//    $.ajax({
//	xhrFields: {
//            withCredentials: true
//        },
//        url: 'https://api.'+ root_domain +'/api/2023-06/case_summary_request',
//        type: 'POST',
//        contentType: 'application/json',
//        data: JSON.stringify({
//            'case_access_token': case_access_token
//        }),
//        success: function(response, textStatus, jqXHR) {
//            if ( jqXHR.status === 200 ){
//		window.top.location.href = '/w2';
//                console.log('Summary request successfully:', response.data);
//            } else {
//                console.error('Error summary request:', response.status);
//            }
//        },
//        error: function(jqXHR, textStatus, errorThrown) {
//            console.error('Error summary request:', textStatus, errorThrown);
//        }
//    });
}

function setVolumeState($speakVolumeButton, state) {
    if (state === "muted" || (state === undefined && $speakVolumeButton.hasClass('fa-volume-high'))) {
        $speakVolumeButton.removeClass('fa-volume-high').addClass('fa-volume-mute');
        audioVolume = 0.0;
        if (currentAudio) {
            currentAudio.volume = 0.0; // Mute
        }
        set_cookie("audioVolumeState", "muted", 30, "/");
    } else {
        $speakVolumeButton.removeClass('fa-volume-mute').addClass('fa-volume-high');
        audioVolume = 1.0;
        if (currentAudio) {
            currentAudio.volume = 1.0;
        }
        set_cookie("audioVolumeState", "high", 30, "/");
    }
}


function getFontAwesomeIconForFileExtension(fileExtension) {
    const iconToExtensionMap = {
        'fa-file-pdf': ['pdf'],
        'fa-file-word': ['doc', 'docx'],
        'fa-file-excel': ['xls', 'xlsx'],
        'fa-file-powerpoint': ['ppt', 'pptx'],
        'fa-file-image': ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'tiff'],
        'fa-file-audio': ['mp3', 'wav', 'ogg', 'flac'],
        'fa-file-video': ['mp4', 'avi', 'mkv', 'webm'],
        'fa-file-csv': ['csv', 'tsv'],
        'fa-file-archive': ['zip', 'rar', 'tar', 'gz', '7z'],
        'fa-file-code': ['js', 'html', 'css', 'php', 'py', 'c', 'cpp', 'java', 'rb', 'xml', 'json']
    };

    for (let icon in iconToExtensionMap) {
        if (iconToExtensionMap[icon].includes(fileExtension.replace('.', '').toLowerCase())) {
            return icon;
        }
    }
    return 'fa-file';  // Default icon
}



set_cookie = function( c_name, value, exdays, path, samesite = 'Strict' ){
    let expires = new Date();
    expires.setTime(expires.getTime() + (exdays * 86400000));
    let c_value = escape(value);

    if (exdays !== null) {
        c_value = c_value + "; expires=" + expires.toUTCString();
    }
    if (path !== null) {
        c_value = c_value + "; path=" + path;
    }

    // Add secure flag if the page is accessed over HTTPS
    if ( window.location.protocol === "https:" ){
        c_value += "; secure";
    }

    // Add samesite attribute
    c_value += "; samesite=" + samesite;

    document.cookie = c_name + "=" + c_value;
}

get_cookie = function(c_name) {
    let cookies = document.cookie.split(";").map(cookie => cookie.trim().split("="));

    for (let [name, value] of cookies) {
        if (name === c_name) {
            return decodeURIComponent(value);
        }
    }
}



// W1

function checkMsnSyntax( case_access_token, msn, callback ){
    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_init";

    fetch(apiEndpoint, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
    	credentials: 'include',
        body: JSON.stringify({
            msn: msn,
	    language: _settings.language,
	    reference: reference
        })
    })
    .then(response => response.json())
    .then(data => {
        callback(data);
    })
    .catch((error) => {
//        console.error('Error fetching the msn validation endpoint:', error);
//        callback('Server error. Please try again later.');
    });
}

function updateEmail( case_email_token ){
    if ( case_email_token && $('#part2 #case-email').text() == '' ){
	$('#part2 #case-email').text( 'sak-'+ case_email_token +'@legalai.as' );
    }
}

function loginInit( catid, case_access_token ){
    if ( catid && catid.length > 0 && case_access_token && case_access_token.length > 0 ){
	set_cookie( "catid", catid, 1, "/cdn" );

    	// Enable Websocket
    	newWssSocket( case_access_token );

	// Clean the browser url
	cleanUrl();

	// Change login header button to logout
	$('#login-logout').text( _settings.translations.log_out ).attr('href', '/w1#utlogging');
    }
}

function pincodeValidate( msn, pincode ){
    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_msn-pincode_verify";

    // Make the PATCH request to update the document timestamp update
    fetch(apiEndpoint, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            msn: msn,
	    pincode: pincode
        })
    })
    .then(response => response.json())
    .then(data => {
        if ( data.status.code === 200 ){
	    state = data.state;
	    case_access_token = data.data.case_access_token;
	    catid = data.data.catid;

	    loginInit( catid, case_access_token );

	    if ( state == 'pending' ){
		$('#contentPincodeValidate').dialog('close');

        	$('#part1').slideUp();
		info_text = htmlDecode( _settings.translations.welcome_to_legal_service_platform );
    		$('#div-init').slideUp();
        	$('#div-part1').slideUp();
        	speak( info_text, 'female', function() {
	    	    $('#part1_2').slideDown();
	    	    div = 'chat_div-dialog';
	    	    updateDiv(div, "", true);
	    	    rantokmize( info_text, div, 82, function() {
	    		$('#chat_button-part1_2').slideDown();
		    });
		});
	    } else if ( state == 'active' ){
		$('#contentPincodeValidate').dialog('close');
	        $('#part1_2').slideUp();
		$('#part1_4 #case_button-explanation').dblclick();

	    } else {
		$('#contentPincodeValidate').dialog('close');
	        $('#part1_2').slideUp();
		$('#part1_4 #case_button-explanation').dblclick();
	    }
        } else if ( data.status.code === 403 ){
    	    let info_text = _settings.translations.system_update_message;
    	    speak( info_text, 'female', function(){
        	showDialog(_settings.translations.system_update_title, info_text );
    	    });

        } else {
    	    let info_text = _settings.translations.incorrect_pin_message;
    	    speak( info_text, 'female', function(){
        	showDialog( _settings.translations.incorrect_pin_title, info_text );
    	    });
            console.error('Error validating pincode:', data.status.message);
            // Handle failure: show an error message or perform other error handling
        }
    })
    .catch((error) => {
        console.error('Error fetching the update timestamp endpoint:', error);
    });
}

function updateTableData( data ){
    let row;
    let scrollRow;
    let documents = data.documents;

    // Store identifiers of existing rows
    const existingIds = $('#part2 #case-table tbody tr').map(function() {
        return $(this).data('nid');
    }).get();

    // Clear existing rows
    $('#part2 #case-table tbody').empty();

    if ($.isEmptyObject(documents)) {
	$('#part2 #instructional').show();
	$('#part2 #documents').hide();

	// Append a message if no documents
	$('#part2 #case-table thead').hide();
	$('#part2 #chat_button-part2').hide();
	$('#part2 #case-table tbody').append('<tr><td colspan="4"><center>'+ _settings.translations.no_documents +'</center></td></tr>');

    } else {
//	$('#part2 #instructional').hide();
	$('#part2 #documents').show();

	$('#part2 #case-table thead').show();
	$('#part2 #chat_button-part2').slideDown();

	// Iterate through the documents and append them to the table
	$.each(documents, function(index, document) {
	    let nid = document.document_id;
    	    let datetime = new Date(document.document_timestamp * 1000).toLocaleString();
	    let documentname = document.document_name;
	    let note = '<b>'+ documentname + '</b>';
	    // HTML decode before comparing
	    if ( $('<div/>').html( document.document_summary ).text() == '<EMPTY>' ){
    	        note += '<div>'+ _settings.translations.summary_not_available +'</div>';
	    } else {
		note += '<div><span>&bull; ' + document.document_summary.replace( /\n/g, '</span><br><span>&bull; ' ) +'</span></div>';
	    }

	    // Extract tags from the object and convert them to an array of tag values
	    let tagsArray = Object.values(document.tags);

	    let icons = [];

	    // Check for 'attachment' in tagsArray
	    if (tagsArray.includes('attachment')) {
		icons.push('<i data-filename="'+ document.filename +'" class="fa fa-paperclip tooltip cmd-view"></i>');
	    } else {
		icons = tagsArray.map(function(tag) {
    		    if (tag === 'upload') {
        		return '<i data-filename="'+ document.filename +'" class="fa fa-file cmd-view"></i>';
    		    } else if (tag === 'email') {
    			return '<i data-filename="'+ document.filename +'" class="fa fa-envelope cmd-view"></i>';
    		    } else {
        		return tag; // Keep the tag value as is if not recognized
    		    }
		});
	    }
	    // Join icons into a string
    	    let tags = icons.reverse().join(' ');

	    row = $('<tr data-nid="' + nid + '"><td class="date-info" data-timestamp="' + document.document_timestamp + '">' + datetime + '</td><td class="note">' + note + '</td><td>' + tags + '</td><td><span class="fa fa-pencil tooltip cmd-edit" data-tooltiptext="'+ _settings.translations.click_to_edit_text +'"></span> <span data-filename="'+ document.filename +'" class="fa fa-trash tooltip cmd-trash" data-tooltiptext="'+ _settings.translations.click_to_delete_document 	+'"></span></td></tr>');
	    $('#part2 #case-table tbody').append(row);

	    if ( existingIds.length > 0 && Object.keys(data.documents).length > existingIds.length && !existingIds.includes( nid ) ){
		shouldScroll = true;  // set the flag to true
		let start = performance.now();

		requestAnimationFrame(function animate(time) {
		    let timeFraction = (time - start) / 3000; // 3 seconds duration
		    if (timeFraction > 1) timeFraction = 1;

		    // Calculate the border color's opacity based on the time fraction.
		    let opacity = 1 - timeFraction;
		    let bgColor = `rgba(100, 123, 158, ${opacity})`; // #647b9e in rgba format

		    row.find('td').css('background-color', bgColor);  // apply to all 'td' elements within 'row'

		    if (timeFraction < 1) {
			requestAnimationFrame(animate);
		    } else {
			row.find('td').css('background-color', 'unset'); // Unset the background-color for all 'td' elements after animation
		    }
		});
		scrollRow = row;
	    }

	});

	// Restore mouse cursor and remove "upload and processing" overlay, if any
	if ($('#upload-overlay').css('display') !== 'none') {
	    document.body.style.cursor = 'auto';
	    $('#upload-overlay').hide();
	    clearTimeout(documentAnalyseFailover);
	}

    	setDateInfo();
	initializeTooltips();

        if ( scrollRow ){
            // Scroll the tr to the top of the screen
            $('html, body').animate({
                scrollTop: scrollRow.offset().top
            }, 1000); // 1000ms duration for the scroll animation
        }
    }
}

function openPreview(url, iconPosition) {
  if (previewCache[url]) {
    // Use cached canvas if available
    displayPreview(previewCache[url], iconPosition);
    return;
  }

  pdfjsLib.getDocument(url).promise.then(function(pdf) {
    pdf.getPage(1).then(function(page) {
      let scale = 1.0;
      if ( document.body.clientWidth < 767 ){
         scale = 0.5;
      }
      let viewport = page.getViewport({ scale: scale });
      if (viewport.width > 500) {
        scale = 500 / viewport.width;
      }
      viewport = page.getViewport({ scale: scale });

      let canvas = document.createElement('canvas');
      canvas.width = viewport.width;
      canvas.height = viewport.height;

      let ctx = canvas.getContext('2d');
      let renderContext = { canvasContext: ctx, viewport: viewport };
      let renderTask = page.render(renderContext);
      renderTask.promise.then(function() {
        previewCache[url] = canvas; // Cache the rendered canvas
        displayPreview(canvas, iconPosition);
      });
    });
  });
}

function displayPreview(canvas, iconPosition) {
  $('#pdf-preview').html(canvas).show();

  let leftPosition = iconPosition.left - canvas.width - 10;
  let topPosition = iconPosition.top;

  // Calculate the potential bottom position
  let bottomPosition = window.innerHeight - (iconPosition.top + $('#pdf-preview').height());

  // Check if the bottom of the PDF preview would be out of the viewport
  if (bottomPosition < 0) {
    // Adjust the topPosition so the bottom of the preview aligns with the bottom of the icon
    topPosition = iconPosition.top - $('#pdf-preview').height();

    // Now check if placing at the top will make it go out of the viewport
    if (topPosition < 0) {
      // If so, center the preview in the viewport
      topPosition = (window.innerHeight - $('#pdf-preview').height()) / 2;
    }
  }

  $('#pdf-preview').css({
    'left': leftPosition,
    'top': topPosition
  });
}

function timestampDocument( case_access_token, document_id, new_timestamp ){
    if ( case_access_token === undefined || document_id === undefined || new_timestamp === undefined ) {
        console.log('CASE_ACCESS_TOKEN, DOCUMENT_ID, or NEW_TIMESTAMP is not defined');
        return;
    }

    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_document-timestamp_update";

    // Make the PATCH request to update the document timestamp update
    fetch(apiEndpoint, {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            case_access_token: case_access_token,
            document_id: document_id,
            timestamp: new_timestamp
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.status.code === 200) {
            console.log('The timestamp was updated successfully.');
            // Handle success: update the UI or redirect the user as needed
            checkCaseInfo();
        } else {
            console.error('Error updating timestamp:', data.status.message);
            // Handle failure: show an error message or perform other error handling
        }
    })
    .catch((error) => {
        console.error('Error fetching the update timestamp endpoint:', error);
    });
}

function nameDocument( case_access_token, document_id, new_name ){
    if ( case_access_token === undefined || document_id === undefined || new_name === undefined ) {
        console.log('CASE_ACCESS_TOKEN, DOCUMENT_ID, or NEW_NAME is not defined');
        return;
    }

    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_document-name_update";

    // Make the PATCH request to update the document timestamp update
    fetch(apiEndpoint, {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            case_access_token: case_access_token,
            document_id: document_id,
            document_name: new_name
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.status.code === 200) {
            console.log('The document name was updated successfully.');
            // Handle success: update the UI or redirect the user as needed
            checkCaseInfo();
        } else {
            console.error('Error updating document name:', data.status.message);
            // Handle failure: show an error message or perform other error handling
        }
    })
    .catch((error) => {
        console.error('Error fetching the update document name endpoint:', error);
    });
}
function summaryDocument( case_access_token, document_id, new_summary ){
    if ( case_access_token === undefined || document_id === undefined || new_summary === undefined ) {
        console.log('CASE_ACCESS_TOKEN, DOCUMENT_ID, or NEW_SUMMARY is not defined');
        return;
    }

    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_document-summary_update";

    // Make the PATCH request to update the document timestamp update
    fetch(apiEndpoint, {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            case_access_token: case_access_token,
            document_id: document_id,
            document_summary: new_summary
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.status.code === 200) {
            console.log('The document summary was updated successfully.');
            // Handle success: update the UI or redirect the user as needed
            checkCaseInfo();
        } else {
            console.error('Error updating document summary:', data.status.message);
            // Handle failure: show an error message or perform other error handling
        }
    })
    .catch((error) => {
        console.error('Error fetching the update document summary endpoint:', error);
    });
}

function deleteDocument(case_access_token, document_id) {
    if ( case_access_token === undefined || document_id === undefined ) {
        console.log('CASE_ACCESS_TOKEN or DOCUMENT_ID is not defined');
        return;
    }

    let apiEndpoint = "https://api."+ root_domain +"/api/2023-06/case_document_delete";

    // Make the DELETE request to delete the document
    fetch(apiEndpoint, {
        method: 'DELETE',
        headers: { 'Content-Type': 'application/json' },
	credentials: 'include',
        body: JSON.stringify({
            case_access_token: case_access_token,
            document_id: document_id
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.status.code === 200) {
            console.log('The document was deleted successfully.');
            // Handle success: update the UI or redirect the user as needed
	    checkCaseInfo();
        } else {
            console.error('Error deleting document:', data.status.message);
            // Handle failure: show an error message or perform other error handling
        }
    })
    .catch((error) => {
        console.error('Error fetching the delete document endpoint:', error);
    });
}
function openPDF(pdfPath) {
    $('#pdf-embed').attr('src', pdfPath);
    $('#pdf-overlay').show();
}

// W2

function makeEditable() {
  $('#div-buttons1').slideUp();
  $('#div-buttons2').slideDown();
  let div = $('#chat_div-summary');
  let content = div.html().replace(/<br>/g, '\n');
  let textarea = $('<textarea>').val(content).css({
    'font-family': div.css('font-family'), // to match the font of the div
    'font-size': div.css('font-size'), // to match the font size of the div
  }).attr('id', 'chat_textarea-summary');
  div.replaceWith(textarea);
  textarea.focus(); // Focus on the textarea
}
function doneEditable( summary_textarea, update_summary ){
    let content='';
    if ( update_summary == true ){
	// Update the summary in the backend
	content = $('#'+ summary_textarea ).val().replace(/\n/g, '<br>');

	// Update the summary in the backend
        updateSummary(case_access_token, content);  // assuming `case_access_token` is globally defined
    } else {
	content = summary.replace(/\n/g, '<br>');
    }
    let div = $('<div>').attr('id', 'chat_div-summary').html(content).css('display', 'block');
    $('#'+ summary_textarea ).replaceWith(div);
    $('#div-buttons1').slideDown();
    $('#div-buttons2').slideUp();
};
function storeSummary( div ){
    summary = $('#'+ div ).html().replace(/<br>/g, '\n');
};

function startSummaryInfo( text ){
    $('#div-init').slideUp();

    div = 'chat_div-dialog';
    updateDiv( div, '<center><img style="height: 20px; width: 20px" src="/images/spinner.gif"></center>', true );
    $('#'+ div).slideDown();
    speak( htmlDecode( text ), 'female', function(){
    	updateDiv(div, "", true);


    	rantokmize( htmlDecode( text ), div, 86, function(){
    	    $('#part2').slideDown();
	});
    });
}

function cleanUrl(){
    if (window.history && window.history.replaceState) {
        var currentURL = window.location.href;
        var baseURL = currentURL.split("#")[0];
	history.replaceState({}, document.title, baseURL);
    }
}

function getRootDomain( url ){
    try {
        let hostname = new URL(url).hostname; // Extracts the hostname from the URL
        let parts = hostname.split('.').reverse(); // Splits the hostname into parts and reverses it

        if (parts.length > 1) {
            return parts[1] + '.' + parts[0]; // Concatenates the top-level domain and the domain name
        }

        return hostname;
    } catch (e) {
        console.error("Invalid URL:", e);
        return null;
    }
}

function getQueryParam(param) {
    const urlParams = new URLSearchParams(window.location.search);
    return urlParams.get(param);
}

function decompressData(base64Data) {
    const binaryStr = atob(base64Data);
    const charData = binaryStr.split('').map(c => c.charCodeAt(0));
    const binData = new Uint8Array(charData);
    return pako.inflate(binData, { to: 'string' });
}

async function sha512( string ){
    const encoder = new TextEncoder();
    const data = encoder.encode( string );
    const hash = await crypto.subtle.digest( 'SHA-512', data );

    return Array.from( new Uint8Array( hash ) ).map( byte=>byte.toString( 16 ).padStart( 2, '0' ) ).join( '' );
}