import { DS4Item } from "./item";
import { DS4ItemDataType, isDS4ItemDataTypePhysical } from "./item-data";

/**
 * Extend the basic ItemSheet with some very simple modifications
 * @extends {ItemSheet}
 */
export class DS4ItemSheet extends ItemSheet<DS4ItemDataType, DS4Item> {
    /** @override */
    static get defaultOptions(): FormApplicationOptions {
        return mergeObject(super.defaultOptions, {
            width: 530,
            height: 400,
            classes: ["ds4", "sheet", "item"],
            tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "description" }],
        });
    }

    /** @override */
    get template(): string {
        const path = "systems/ds4/templates/item";
        return `${path}/${this.item.data.type}-sheet.hbs`;
    }

    /* -------------------------------------------- */

    /** @override */
    getData(): ItemSheetData<DS4ItemDataType, DS4Item> {
        const data = {
            ...super.getData(),
            config: CONFIG.DS4,
            isOwned: this.item.isOwned,
            actor: this.item.actor,
            isPhysical: isDS4ItemDataTypePhysical(this.item.data.data),
        };
        console.log(data);
        return data;
    }

    /* -------------------------------------------- */

    /** @override */
    setPosition(options: ApplicationPosition = {}): ApplicationPosition {
        const position = super.setPosition(options);
        if ("find" in this.element) {
            const sheetBody = this.element.find(".sheet-body");
            const bodyHeight = position.height - 192;
            sheetBody.css("height", bodyHeight);
        } else {
            console.log("Failure setting position.");
        }
        return position;
    }

    private readonly ownedItemActiveEffectWarning =
        "Managing Active Effects within an Owned Item is not currently supported and will be added in a subsequent update.";

    /* -------------------------------------------- */

    /** @override */
    activateListeners(html: JQuery): void {
        super.activateListeners(html);

        if (!this.options.editable) return;

        html.find(".effect-control").on("click", this._onManageActiveEffect.bind(this));
    }

    /**
     * Handle management of ActiveEffects.
     * @param {Event} event   The originating click event
     */
    private async _onManageActiveEffect(event: JQuery.ClickEvent): Promise<unknown> {
        event.preventDefault();

        if (this.item.isOwned) {
            return ui.notifications.warn(this.ownedItemActiveEffectWarning);
        }
        const a = event.currentTarget;
        const li = $(a).parents(".effect");

        switch (a.dataset["action"]) {
            case "create":
                return this._createActiveEffect();
            case "edit":
                const effect = this.item.effects.get(li.data("effectId"));
                return effect.sheet.render(true);
            case "delete": {
                return this.item.deleteEmbeddedEntity("ActiveEffect", li.data("effectId"));
            }
        }
    }

    /**
     * Create a new ActiveEffect for the item using default data.
     */
    private async _createActiveEffect(): Promise<unknown> {
        const label = `New Effect`;

        const createData = {
            label: label,
            changes: [],
            duration: {},
            transfer: true,
        };

        const effect = await ActiveEffect.create(createData, this.item);
        return effect.create({});
    }
}