/**
 * L5R Settings dialog for default skills list
 * @extends {FormApplication}
 */
export class DefaultSkillsDialogL5r5e extends FormApplication {
    /**
     * Key for skills list in Settings
     * @type {string}
     */
    static skillsLisKey = "defaultSkillsList";

    /**
     * Assign the default options
     * @override
     */
    static get defaultOptions() {
        return foundry.utils.mergeObject(super.defaultOptions, {
            id: "l5r5e-settings-default-skills-dialog",
            classes: ["l5r5e", "settings", "default-skills"],
            template: CONFIG.l5r5e.paths.templates + "settings/default-skills-dialog.html",
            title: game.i18n.localize("SETTINGS.DefaultSkillsList.Label"),
            width: 500,
            height: 680,
            resizable: true,
            closeOnSubmit: false,
            submitOnClose: false,
            submitOnChange: false,
            dragDrop: [{ dragSelector: ".item-list .item", dropSelector: null }],
        });
    }

    /**
     * Prevent non GM to render this windows
     * @override
     */
    render(force = false, options = {}) {
        if (!this.isEditable) {
            console.log("L5R5E | You don't have the rights to display this application");
            return false;
        }
        return super.render(force, options);
    }

    /**
     * Is the Form Application currently editable?
     * @type {boolean}
     */
    get isEditable() {
        return game.user.isGM;
    }

    /**
     * Construct and return the data object used to render the HTML template for this form application.
     * @param options
     * @return {Object}
     */
    async getData(options = null) {
        // Transform skills uuids to items by categories
        let skillList = await game.l5r5e.HelpersL5r5e.getSkillsItemsList();
        skillList = game.l5r5e.HelpersL5r5e.splitSkillByCategory(skillList);

        return {
            ...(await super.getData(options)),
            skillList,
        };
    }

    /**
     * Handle dropped data on the Actor sheet
     * @param {DragEvent} event
     */
    async _onDrop(event) {
        // *** Everything below here is only needed if the sheet is editable ***
        if (!this.isEditable) {
            console.log("L5R5E | This sheet is not editable");
            return;
        }

        // Check item type and subtype
        const item = await game.l5r5e.HelpersL5r5e.getDragnDropTargetObject(event);
        if (!item || item.documentName !== "Item" || item?.type !== "skill") {
            console.log(`L5R5E | Item dropped must be a Skill Item : ${item?.type}`, item);
            return;
        }

        // EmbedItem actor item ?
        if (item.uuid.startsWith('Actor.')) {
            console.log("L5R5E | This element has been ignored because it's a EmbedItem actor item", item.uuid);
            return;
        }

        const skillListUuids = game.settings.get(CONFIG.l5r5e.namespace, DefaultSkillsDialogL5r5e.skillsLisKey) || [];

        // Dropped an item with same "id" as one owned
        if (skillListUuids.some((embedItem) => embedItem.uuid === item.uuid)) {
            console.log("L5R5E | This element has been ignored because it already exists", item.uuid);
            return;
        }

        // Add the uuid and save
        skillListUuids.push(item.uuid);
        await game.settings.set(CONFIG.l5r5e.namespace, DefaultSkillsDialogL5r5e.skillsLisKey, skillListUuids);

        // Refresh
        this.render(false);
    }

    /**
     * Subscribe to events from the sheet.
     * @param {jQuery} html HTML content of the sheet.
     */
    activateListeners(html) {
        super.activateListeners(html);

        // Commons
        game.l5r5e.HelpersL5r5e.commonListeners(html);

        // *** Everything below here is only needed if the sheet is editable ***
        if (!this.isEditable) {
            return;
        }

        // Delete an item
        html.find(`.item-delete`).on("click", this._removeSkill.bind(this));
    }

    /**
     * Remove an item from it's uuid
     * @param {Event} event
     * @private
     */
    async _removeSkill(event) {
        event.preventDefault();
        event.stopPropagation();

        const itemUuid = $(event.currentTarget).data("item-uuid");
        if (!itemUuid) {
            return;
        }

        // Remove and save
        const skillListUuids = game.settings.get(CONFIG.l5r5e.namespace, DefaultSkillsDialogL5r5e.skillsLisKey) || [];
        await game.settings.set(CONFIG.l5r5e.namespace, DefaultSkillsDialogL5r5e.skillsLisKey, skillListUuids.filter((uuid) => uuid !== itemUuid));

        // Refresh
        this.render(false);
    }
}