/**
 * @typedef {Object} SoundBank
 * @property {number} index
 * @property {string} description
 * @property {string} tag
 * @property {string} category
 * @property {string} language
 * @property {string} voiceType
 * @property {string} path
 */

/**
 * @typedef {Object} Select2item
 * @property {number} id
 * @property {string} text
 */

/**
 * List of Soundbank data loaded from server
 * @type {SoundBank[]}
 */
window.soundbankdata = [];
/**
 * Currently selected soundbank row in the table
 * @type {JQuery<HTMLElement>|null}
 */
window.selectedsoundrow = null;

/**
 * List of sound files in the soundbank directory, that ends with .wav or .mp3
 * @type {string[]}
 */
window.soundbankfiles = [];

/**
 * Select2 data source
 * See https://select2.org/data-sources/formats
 * @type {Select2item[]}
 */
window.select2data = [];

/**
 * Reload sound bank from server
 * @param {String} APIURL API URL endpoint, default "SoundBank/"
 */
function reloadSoundBank(APIURL = "SoundBank/") {
    window.soundbankdata = [];
    fetchAPI(APIURL + "List", "GET", {}, null, (okdata) => {

        if (Array.isArray(okdata)) {
            window.soundbankdata.push(...okdata);
            window.selectedsoundrow = null;
            fill_soundbanktablebody(window.soundbankdata);
        }
    }, (errdata) => {
        alert("Error loading soundbank : " + errdata.message);
    });
}

/**
     * Fill soundbank table body with values
     * @param {SoundBank[]} vv values to fill
    */
function fill_soundbanktablebody(vv) {
    $('#soundbanktablebody').empty();
    if (!Array.isArray(vv) || vv.length === 0) return;
    vv.forEach(item => {
        const row = `<tr>
                     <td>${item.index}</td>
                     <td>${item.description}</td>
                     <td>${item.tag}</td>
                     <td>${item.category}</td>
                     <td>${item.language}</td>
                     <td>${item.voiceType}</td>
                     <td>${item.path}</td>
                     </tr>`;
        $('#soundbanktablebody').append(row);
        let $addedrow = $('#soundbanktablebody tr:last');
        $addedrow.on('click', function () {
            if (window.selectedsoundrow) {
                window.selectedsoundrow.find('td').css('background-color', '');
                if (window.selectedsoundrow.is($(this))) {
                    window.selectedsoundrow = null;
                    $('#btnRemove').prop('disabled', true);
                    $('#btnEdit').prop('disabled', true);
                    return;
                }
            }
            $(this).find('td').css('background-color', '#ffeeba');
            window.selectedsoundrow = $(this);
            $('#btnRemove').prop('disabled', false);
            $('#btnEdit').prop('disabled', false);
        });
    });


    $('#tablesize').text("Table Size: " + vv.length);
}


/**
 * Reload soundbank files from server
 * @param {String} APIURL API URL endpoint (default "SoundBank/")
 */
function reloadSoundbankFiles(APIURL = "SoundBank/") {
    window.soundbankfiles = [];
    fetchAPI(APIURL + "ListFiles", "GET", {}, null, (okdata) => {
        // okdata is a string contains elements separated by semicolon ;
        if (Array.isArray(okdata)) {
            window.soundbankfiles = okdata.filter(item => item.trim().length > 0);
            // refill select2data
            window.select2data = window.soundbankfiles.map((item, index) => ({ id: index + 1, text: item }));
        } else console.log("reloadSoundbankFiles: okdata is not array");
    }, (errdata) => {
        alert("Error loading soundbank files : " + errdata.message);
    });
}

$(document).ready(function () {
    console.log("soundbank.js loaded successfully");
    reloadSoundbankFiles();
    $('#soundbanktablebody').empty();
    window.selectedsoundrow = null;
    let $btnClear = $('#btnClear');
    let $btnAdd = $('#btnAdd');
    let $btnRemove = $('#btnRemove');
    let $btnEdit = $('#btnEdit');
    let $btnExport = $('#btnExport');
    let $btnImport = $('#btnImport');
    $btnRemove.prop('disabled', true);
    $btnEdit.prop('disabled', true);
    let APIURL = "SoundBank/";
    let $modal = $('#soundbankmodal');
    let $modalindex = $modal.find('#modalindex');
    let $modaldescription = $modal.find('#modaldescription');
    let $modaltag = $modal.find('#modaltag');
    let $modalcategory = $modal.find('#modalcategory');
    let $modallanguage = $modal.find('#modallanguage');
    let $modalvoicetype = $modal.find('#modalvoicetype');
    let $modalpath = $modal.find('#modalpath');

    /**
     * Clear soundbank modal inputs
     */
    function clearSoundbankModal() {
        $modalindex.val('').prop('disabled', true);
        $modaldescription.val('');
        $modaltag.val('');
        // fill modalcategory options from categories[]
        $modalcategory.empty();
        categories.forEach(cat => {
            $modalcategory.append(new Option(cat, cat));
        });
        $modalcategory.val(null);
        // fill modallanguage options from languages[]
        $modallanguage.empty();
        languages.forEach(lang => {
            $modallanguage.append(new Option(lang, lang));
        });
        $modallanguage.val(null);
        // fill modalvoicetype options from voiceTypes[]
        $modalvoicetype.empty();
        voiceTypes.forEach(vt => {
            $modalvoicetype.append(new Option(vt, vt));
        });
        $modalvoicetype.val(null);
        // fill modalpath options from soundbankfiles[]
        // TODO read https://jeesite.com/front/jquery-select2/4.0/index.htm
        console.log("window.select2data has " + window.select2data.length + " items");
        $('#modalpath').select2({
            data: window.select2data
        })
    }

    reloadSoundBank(APIURL);
    $('#findsoundbank').on('input', function () {
        let searchTerm = $(this).val().trim().toLowerCase();
        if (searchTerm.length > 0) {
            window.selectedsoundrow = null;
            let filtered = window.soundbankdata.filter(item => item.description.toLowerCase().includes(searchTerm) || item.tag.toLowerCase().includes(searchTerm) || item.path.toLowerCase().includes(searchTerm));
            fill_soundbanktablebody(filtered);
        } else {
            window.selectedsoundrow = null;
            fill_soundbanktablebody(window.soundbankdata);
        }
    });
    $btnClear.click(() => {
        DoClear(APIURL, "Soundbank", (okdata) => {
            reloadSoundBank(APIURL);
            alert("Success clear soundbank : " + okdata.message);
        }, (errdata) => {
            alert("Error clear soundbank : " + errdata.message);
        });

    });
    $btnAdd.click(() => {

        $modal.modal('show');
        clearSoundbankModal();
        // event on Click save button
        $modal.off('click.soundbanksave').on('click.soundbanksave', '#soundbanksave', function () {
            //TODO Add soundbank save process here
            $modal.modal('hide');
        });
        // event on Click close button
        $modal.off('click.soundbankclose').on('click.soundbankclose', '#soundbankclose', function () {
            $modal.modal('hide');
        });
    });
    $btnRemove.click(() => {
        if (window.selectedsoundrow) {
            let cells = window.selectedsoundrow.find('td');
            /** @type {SoundBank} */
            let sb = {
                index: cells.eq(0).text(),
                description: cells.eq(1).text(),
                tag: cells.eq(2).text(),
                category: cells.eq(3).text(),
                language: cells.eq(4).text(),
                voiceType: cells.eq(5).text(),
                path: cells.eq(6).text()
            }
            if (confirm(`Are you sure to delete soundbank [${sb.index}] Description=${sb.description} Tag=${sb.tag}?`)) {
                fetchAPI(APIURL + "DeleteByIndex/" + sb.index, "DELETE", {}, null, (okdata) => {
                    reloadSoundBank(APIURL);
                    alert("Success delete soundbank : " + okdata.message);
                }, (errdata) => {
                    alert("Error delete soundbank : " + errdata.message);
                });
            }
        }
    });
    $btnEdit.click(() => {
        if (window.selectedsoundrow) {
            let cells = window.selectedsoundrow.find('td');
            /** @type {SoundBank} */
            let sb = {
                index: cells.eq(0).text(),
                description: cells.eq(1).text(),
                tag: cells.eq(2).text(),
                category: cells.eq(3).text(),
                language: cells.eq(4).text(),
                voiceType: cells.eq(5).text(),
                path: cells.eq(6).text()
            }
            if (confirm(`Are you sure to edit soundbank [${sb.index}] Description=${sb.description} Tag=${sb.tag}?`)) {
                $modal.modal('show');
                $modal.off('hidden.bs.modal').on('hidden.bs.modal', function () {

                    // event on Click save button
                    $modal.off('click.soundbanksave').on('click.soundbanksave', '#soundbanksave', function () {
                        //TODO Add soundbank save process here
                        $modal.modal('hide');
                    });
                    // event on Click close button
                    $modal.off('click.soundbankclose').on('click.soundbankclose', '#soundbankclose', function () {
                        $modal.modal('hide');
                    });
                });
            }
        }
    });
    $btnExport.click(() => {
        DoExport(APIURL, "soundbank.xlsx", {});
    });
    $btnImport.click(() => {
        DoImport(APIURL, (okdata) => {
            reloadSoundBank(APIURL);
            alert("Success import soundbank : " + okdata.message);
        }, (errdata) => {
            alert("Error importing soundbank from XLSX : " + errdata.message);
        });
    });
});