const params = {
    'dluo': 'DLUO',
    'lot': 'Nº de lot',
    'q': 'Poids net (g)',
    'teneur': 'Teneur en fruits (%)',
    'f': 'Quantité de fruits pour 100g (g)',
}

var tikats;

function getCookie(name) {
    const cookies = document.cookie.split(';');
    for (let cookie of cookies) {
        cookie = cookie.trim();
        if (cookie.startsWith(name + '=')) {
            return cookie.substring(name.length + 1);
        }
    }
    return null;
}

function post(url, data) {
    const csrf_token = getCookie('csrftoken');
    return $.ajax({
        url,
        data: JSON.stringify(data),
        method: 'POST',
        xhrFields: { withCredentials: true },
        headers: { 'X-CSRFToken': csrf_token },
    });
}

function disableButtons() {
    $('.btn').addClass("disabled");
}

function enableButtons() {
    $('.btn').removeClass('disabled');
}

function resetEditModal(force = false) {
    if ($("#new-add").text() === "Ajouter" && !force) {
        return;
    }
    $("#new-name").val("");
    $("#new-type").val("").formSelect();
    $("#new-designation").val("");
    $("#new-ingredients").val("");
    $("#new-description").val("");
    $("#new-color")[0].jscolor.fromString("#97a1cc");
    $("#new-organic").prop("checked", false);
    M.updateTextFields();
    M.textareaAutoResize($('#new-ingredients'));
    M.textareaAutoResize($('#new-description'));

    $("#new-add").text("Ajouter").off('click').click(() => {
        const req = getTiketteData();
        post(backend_api + 'newtikette', req).then(() => {
            resetEditModal(true);
            reload();
        });
    });
}

function openEditModal(zett) {
    M.Modal.getInstance($("#newproduct")).open();

    $("#new-name").val(zett.title);
    $("#new-type").val(zett.category_id).formSelect();
    $("#new-designation").val(zett.designation);
    $("#new-ingredients").val(zett.ingredients);
    $("#new-description").val(zett.description);
    $("#new-color")[0].jscolor.fromString(zett.color);
    $("#new-organic").prop("checked", zett.ab === "inline");
    M.updateTextFields();
    M.textareaAutoResize($('#new-ingredients'));
    M.textareaAutoResize($('#new-description'));

    $("#new-add").text("Modifier").off('click').click(() => {
        const req = getTiketteData();
        req.id = zett.id;
        resetEditModal();
        post(backend_api + 'updatetikette', req).then(reload);
    });
}

function addProduct(tikette) {
    const zett = tikette;
    const appbody = $("#appbody");
    const block = $('<div class="section">');
    for (let sub in zett.subs) {
        block.append($(`<div class="input-field"><label class="active">${params[sub]}</label><input type="text" name="${sub}" value="${zett.subs[sub]}">`));
    }
    const loader = $('<div class="progress"><div class="indeterminate"></div></div>')
        .hide();

    const action = $('<div class="section">')
        .append($('<a class="btn">générer<a>')
            .click(() => {
                const subs = block.find(':text')
                    .toArray()
                    .reduce((obj, el) => ({...obj, [el.name]: el.value}), {});
                const req = {
                    template: zett.prototempalte,
                    designation: zett.designation,
                    description: zett.description,
                    ingredients: zett.ingredients,
                    color: zett.color,
                    AB: zett.ab,  // mind the capitalization here
                    subs,
                    landscape: zett.landscape,
                };

                loader.show();
                disableButtons();

                post(backend_api + 'generate', req)
                    .then(data => {
                        const pdfbtn = $(`<a class="btn" href="${backend_api}data/${data.file}" target="_blank">ouvrir le pdf</a>`);
                        action.append(pdfbtn);
                    })
                    .catch(err => {
                        console.error(err);
                    })
                    .always(() => {
                        loader.hide();
                        enableButtons();
                    });
            })
        .append(loader));

    const deleteAction = $('<b class="material-icons">delete</b>').click(() => {
        $("#delete-title").text(zett.title);
        $("#delete-confirm").off('click').click(() => {
            const req = {
                id: zett.id,
            };
            post(backend_api + 'deletetikette', req).then(reload);
        });
        M.Modal.getInstance($("#confirmdelete")).open();

        return false;
    });

    const editAction = $('<b class="material-icons">edit</b>').click(() => {
        openEditModal(zett);
        return false;
    });

    appbody
        .append($('<li>')
            .append($('<div class="collapsible-header valign-wrapper">')
                .append(`<h6 class="blue-text">${zett.title}</h6>`)
                .append($('<span class="actions grey-text">')
                    .append(editAction)
                    .append(deleteAction)
                ))
            .append($('<div class="collapsible-body">')
                .append(block)
                .append(action)));
}

function setCategories() {
    const katsel = $('#new-type');
    katsel.empty();

    for (let kat of tikats) {
       katsel.append($(`<option value="${kat.id}">${kat.name}</option>`));
    }

    $('select').formSelect();
}

function getTiketteData() {
    const title = $("#new-name").val();
    const category_id = $("#new-type").val();
    const designation = $("#new-designation").val();
    const ingredients = $("#new-ingredients").val();
    const description = $("#new-description").val();
    const color = $("#new-color").val().substring(1);
    const ab = $("#new-organic").is(":checked") ? 'inline' : 'none';

    return {
        title,
        category_id,
        designation,
        ingredients,
        description,
        color,
        ab,
    };
}

function loadAll(zetikettes) {
    const appbody = $("#appbody");
    appbody.empty();
    for (let zett of zetikettes) {
        addProduct(zett);
    }
    setCategories();
}

function konami() {
    var k = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65],
    n = 0;
    $(document).keydown(function (e) {
        if (e.keyCode === k[n++]) {
            if (n === k.length) {
                document.location.href = backend_api + 'admin';
            }
        }
        else {
            n = 0;
        }
    });
}

async function googleCred(creds) {
    const token = creds.credential;
    await post(backend_api + 'signin', {token});
    $('#signin-prompt').hide();
    reload();
}

async function reload() {
    disableButtons();

    try {
        const resp = await $.ajax({
            url: backend_api + 'list',
            timeout: 1000,
            xhrFields: { withCredentials: true },
        });
        tikats = (await $.ajax({
            url: backend_api + 'categories',
            timeout: 1000,
            xhrFields: { withCredentials: true },
        })).tikats.sort((a, b) => a.name > b.name ? 1 : -1);
        loadAll(resp.tikettes.sort((a, b) => (a.title < b.title) ? -1 : 1));
        enableButtons();
    } catch(e) {
        if (e.status === 403) {
            $("#signin-prompt").show();
            google.accounts.id.prompt(); // also display the One Tap dialog
            return;
        }
        const appbody = $("#appbody");
        appbody.append(`<li>Could not reach backend server`);
    }
}

$(document).ready(() => {
    google.accounts.id.initialize({
        client_id: google_oauth_client_id,
        callback: googleCred,
    });
    google.accounts.id.renderButton(
        document.getElementById("signin-prompt"),
        { theme: "outline", size: "large" }  // customization attributes
    );
    konami();

    $('.collapsible').collapsible();
    $('.modal').modal({onOpenStart: resetEditModal});

    reload();
});