import { characters, getCharacters, handleDeleteCharacter, callPopup } from '../script.js';
import { BulkEditOverlay, BulkEditOverlayState } from './BulkEditOverlay.js';


let is_bulk_edit = false;

const enableBulkEdit = () => {
    enableBulkSelect();
    (new BulkEditOverlay()).selectState();
    // show the delete button
    $('#bulkDeleteButton').show();
    is_bulk_edit = true;
};

const disableBulkEdit = () => {
    disableBulkSelect();
    (new BulkEditOverlay()).browseState();
    // hide the delete button
    $('#bulkDeleteButton').hide();
    is_bulk_edit = false;
};

const toggleBulkEditMode = (isBulkEdit) => {
    if (isBulkEdit) {
        disableBulkEdit();
    } else {
        enableBulkEdit();
    }
};

(new BulkEditOverlay()).addStateChangeCallback((state) => {
    if (state === BulkEditOverlayState.select) enableBulkEdit();
    if (state === BulkEditOverlayState.browse) disableBulkEdit();
});

/**
 * Toggles bulk edit mode on/off when the edit button is clicked.
 */
function onEditButtonClick() {
    console.log('Edit button clicked');
    toggleBulkEditMode(is_bulk_edit);
}

/**
 * Deletes the character with the given chid.
 *
 * @param {string} this_chid - The chid of the character to delete.
 */
async function deleteCharacter(this_chid) {
    await handleDeleteCharacter('del_ch', this_chid, false);
}

/**
 * Deletes all characters that have been selected via the bulk checkboxes.
 */
async function onDeleteButtonClick() {
    console.log('Delete button clicked');

    // Create a mapping of chid to avatar
    let toDelete = [];
    $('.bulk_select_checkbox:checked').each((i, el) => {
        const chid = $(el).parent().attr('chid');
        const avatar = characters[chid].avatar;
        // Add the avatar to the list of avatars to delete
        toDelete.push(avatar);
    });

    const confirm = await callPopup('<h3>Are you sure you want to delete these characters?</h3>You would need to delete the chat files manually.<br>', 'confirm');

    if (!confirm) {
        console.log('User cancelled delete');
        return;
    }

    // Delete the characters
    for (const avatar of toDelete) {
        console.log(`Deleting character with avatar ${avatar}`);
        await getCharacters();

        //chid should be the key of the character with the given avatar
        const chid = Object.keys(characters).find((key) => characters[key].avatar === avatar);
        console.log(`Deleting character with chid ${chid}`);
        await deleteCharacter(chid);
    }
}

/**
 * Enables bulk selection by adding a checkbox next to each character.
 */
function enableBulkSelect() {
    $('#rm_print_characters_block .character_select').each((i, el) => {
        const checkbox = $('<input type=\'checkbox\' class=\'bulk_select_checkbox\'>');
        checkbox.on('change', () => {
            // Do something when the checkbox is changed
        });
        $(el).prepend(checkbox);
    });
    $('#rm_print_characters_block').addClass('bulk_select');
    // We also need to disable the default click event for the character_select divs
    $(document).on('click', '.bulk_select_checkbox', function (event) {
        event.stopImmediatePropagation();
    });
}

/**
 * Disables bulk selection by removing the checkboxes.
 */
function disableBulkSelect() {
    $('.bulk_select_checkbox').remove();
    $('#rm_print_characters_block').removeClass('bulk_select');
}

/**
 * Entry point that runs on page load.
 */
jQuery(() => {
    $('#bulkEditButton').on('click', onEditButtonClick);
    $('#bulkDeleteButton').on('click', onDeleteButtonClick);
});