const emojisets = require("./emojisets.js");
const settings_config = require("./settings_config");

const meta = {
    loaded: false,
};

function change_display_setting(data, status_element, success_msg, sticky) {
    const $status_el = $(status_element);
    const status_is_sticky = $status_el.data('is_sticky');
    const display_message = status_is_sticky ? $status_el.data('sticky_msg') : success_msg;
    const opts = {
        success_msg: display_message,
        sticky: status_is_sticky || sticky,
    };

    if (sticky) {
        $status_el.data('is_sticky', true);
        $status_el.data('sticky_msg', success_msg);
    }
    settings_ui.do_settings_change(channel.patch, '/json/settings/display', data, status_element, opts);
}

exports.set_up = function () {
    meta.loaded = true;
    $("#display-settings-status").hide();

    $("#user_timezone").val(page_params.timezone);

    $("#demote_inactive_streams").val(page_params.demote_inactive_streams);

    $("#color_scheme").val(page_params.color_scheme);

    $("#twenty_four_hour_time").val(JSON.stringify(page_params.twenty_four_hour_time));

    $(".emojiset_choice[value=" + page_params.emojiset + "]").prop("checked", true);

    $("#default_language_modal [data-dismiss]").click(() => {
        overlays.close_modal('#default_language_modal');
    });

    const all_display_settings = settings_config.get_all_display_settings();
    for (const setting of all_display_settings.settings.user_display_settings) {
        $("#" + setting).change(function () {
            const data = {};
            data[setting] = JSON.stringify($(this).prop('checked'));

            if (["left_side_userlist"].includes(setting)) {
                change_display_setting(
                    data,
                    "#display-settings-status",
                    i18n.t("Saved. Please <a class='reload_link'>reload</a> for the change to take effect."), true);
            } else {
                change_display_setting(data, "#display-settings-status");
            }
        });
    }

    $("#default_language_modal .language").click((e) => {
        e.preventDefault();
        e.stopPropagation();
        overlays.close_modal('#default_language_modal');

        const $link = $(e.target).closest("a[data-code]");
        const setting_value = $link.attr('data-code');
        const data = {default_language: JSON.stringify(setting_value)};

        const new_language = $link.attr('data-name');
        $('#default_language_name').text(new_language);

        change_display_setting(data, '#language-settings-status',
                               i18n.t("Saved. Please <a class='reload_link'>reload</a> for the change to take effect."), true);

    });

    $('#default_language').on('click', (e) => {
        e.preventDefault();
        e.stopPropagation();
        overlays.open_modal('#default_language_modal');
    });

    $('#demote_inactive_streams').change(function () {
        const data = {demote_inactive_streams: this.value};
        change_display_setting(data, '#display-settings-status');
    });

    $('#color_scheme').change(function () {
        const data = {color_scheme: this.value};
        change_display_setting(data, '#display-settings-status');
    });

    $('body').on('click', '.reload_link', () => {
        window.location.reload();
    });


    $("#twenty_four_hour_time").change(function () {
        const data = {twenty_four_hour_time: this.value};
        change_display_setting(data, '#time-settings-status');
    });

    $("#user_timezone").change(function () {
        const data = {timezone: JSON.stringify(this.value)};
        change_display_setting(data, '#time-settings-status');
    });
    $(".emojiset_choice").click(function () {
        const data = {emojiset: JSON.stringify($(this).val())};
        const current_emojiset = JSON.stringify(page_params.emojiset);
        if (current_emojiset === data.emojiset) {
            return;
        }
        const spinner = $("#emoji-settings-status").expectOne();
        loading.make_indicator(spinner, {text: settings_ui.strings.saving });

        channel.patch({
            url: '/json/settings/display',
            data: data,
            success: function () {
            },
            error: function (xhr) {
                ui_report.error(settings_ui.strings.failure, xhr, $('#emoji-settings-status').expectOne());
            },
        });
    });

    $("#translate_emoticons").change(function () {
        const data = {translate_emoticons: JSON.stringify(this.checked)};
        change_display_setting(data, '#emoji-settings-status');
    });
};

exports.report_emojiset_change = async function () {
    // TODO: Clean up how this works so we can use
    // change_display_setting.  The challenge is that we don't want to
    // report success before the server_events request returns that
    // causes the actual sprite sheet to change.  The current
    // implementation is wrong, though, in that it displays the UI
    // update in all active browser windows.

    await emojisets.select(page_params.emojiset);

    if ($("#emoji-settings-status").length) {
        loading.destroy_indicator($("#emojiset_spinner"));
        $("#emojiset_select").val(page_params.emojiset);
        ui_report.success(i18n.t("Emojiset changed successfully!"),
                          $('#emoji-settings-status').expectOne());
        const spinner = $("#emoji-settings-status").expectOne();
        settings_ui.display_checkmark(spinner);
    }
};

exports.update_page = function () {
    $("#left_side_userlist").prop('checked', page_params.left_side_userlist);
    $("#default_language_name").text(page_params.default_language_name);
    $("#translate_emoticons").prop('checked', page_params.translate_emoticons);
    $("#twenty_four_hour_time").val(JSON.stringify(page_params.twenty_four_hour_time));
    $("#color_scheme").val(JSON.stringify(page_params.color_scheme));

    // TODO: Set emojiset selector here.
    // Longer term, we'll want to automate this function
};

window.settings_display = exports;