const load_func_dict = new Map(); // group -> function
const loaded_groups = new Set();

exports.get_group = function (section) {
    // Sometimes several sections all share the same code.

    switch (section) {
        case "organization-profile":
        case "organization-settings":
        case "organization-permissions":
        case "auth-methods":
            return "org_misc";

        case "bot-list-admin":
            return "org_bots";

        case "user-list-admin":
        case "deactivated-users-admin":
            return "org_users";

        default:
            return section;
    }
};

exports.initialize = function () {
    // personal
    load_func_dict.set("your-account", settings_account.set_up);
    load_func_dict.set("display-settings", settings_display.set_up);
    load_func_dict.set("notifications", settings_notifications.set_up);
    load_func_dict.set("your-bots", settings_bots.set_up);
    load_func_dict.set("alert-words", alert_words_ui.set_up_alert_words);
    load_func_dict.set("uploaded-files", attachments_ui.set_up_attachments);
    load_func_dict.set("muted-topics", settings_muting.set_up);

    // org
    load_func_dict.set("org_misc", settings_org.set_up);
    load_func_dict.set("org_bots", settings_users.set_up_bots);
    load_func_dict.set("org_users", settings_users.set_up_humans);
    load_func_dict.set("emoji-settings", settings_emoji.set_up);
    load_func_dict.set("default-streams-list", settings_streams.set_up);
    load_func_dict.set("filter-settings", settings_linkifiers.set_up);
    load_func_dict.set("invites-list-admin", settings_invites.set_up);
    load_func_dict.set("user-groups-admin", settings_user_groups.set_up);
    load_func_dict.set("profile-field-settings", settings_profile_fields.set_up);
    load_func_dict.set("data-exports-admin", settings_exports.set_up);
};

exports.load_settings_section = function (section) {
    const group = exports.get_group(section);

    if (!load_func_dict.has(group)) {
        blueslip.error("Unknown section " + section);
        return;
    }

    if (loaded_groups.has(group)) {
        // We only load groups once (unless somebody calls
        // reset_sections).
        return;
    }

    const load_func = load_func_dict.get(group);

    // Do the real work here!
    load_func();
    loaded_groups.add(group);
};

exports.reset_sections = function () {
    loaded_groups.clear();
    settings_emoji.reset();
    settings_exports.reset();
    settings_linkifiers.reset();
    settings_invites.reset();
    settings_org.reset();
    settings_profile_fields.reset();
    settings_streams.reset();
    settings_user_groups.reset();
    settings_muting.reset();
    // settings_users doesn't need a reset()
};

window.settings_sections = exports;