// SPDX-FileCopyrightText: 2021 Johannes Loher
// SPDX-FileCopyrightText: 2021 Oliver Rümpelein
// SPDX-FileCopyrightText: 2021 Gesina Schwalbe
//
// SPDX-License-Identifier: MIT

import { DS4ActiveEffect } from "../active-effect";
import { DS4 } from "../config";
import { getGame } from "../helpers";
import notifications from "../ui/notifications";
import { enforce } from "../utils";
import { isDS4ItemDataTypePhysical } from "./item-data-source-base";

/**
 * The Sheet class for DS4 Items
 */
export class DS4ItemSheet extends ItemSheet<ItemSheet.Options, DS4ItemSheetData> {
    /** @override */
    static get defaultOptions(): ItemSheet.Options {
        return foundry.utils.mergeObject(super.defaultOptions, {
            classes: ["sheet", "ds4-item-sheet"],
            height: 400,
            scrollY: [".ds4-sheet-body"],
            tabs: [{ navSelector: ".ds4-sheet-tab-nav", contentSelector: ".ds4-sheet-body", initial: "description" }],
            width: 540,
        });
    }

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

    /** @override */
    async getData(): Promise<DS4ItemSheetData> {
        const data = {
            ...(await super.getData()),
            config: DS4,
            isOwned: this.item.isOwned,
            actor: this.item.actor,
            isPhysical: isDS4ItemDataTypePhysical(this.item.data.data),
        };
        return data;
    }

    /** @override */
    setPosition(options: Partial<Application.Position> = {}): (Application.Position & { height: number }) | void {
        const position = super.setPosition(options);
        if (position) {
            const sheetBody = this.element.find(".sheet-body");
            const bodyHeight = position.height - 192;
            sheetBody.css("height", bodyHeight);
        }

        return position;
    }

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

        if (!this.options.editable) return;

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

    /**
     * Handles a click on an element of this sheet to control an embedded effect of the item corresponding to this
     * sheet.
     *
     * @param event - The originating click event
     */
    protected onControlEffect(event: JQuery.ClickEvent): void {
        event.preventDefault();
        if (this.item.isOwned) {
            return notifications.warn(getGame().i18n.localize("DS4.WarningManageActiveEffectOnOwnedItem"));
        }
        const a = event.currentTarget;
        switch (a.dataset["action"]) {
            case "create":
                return this.onCreateEffect();
            case "edit":
                return this.onEditEffect(event);
            case "delete":
                return this.onDeleteEffect(event);
        }
    }

    /**
     * Creates a new embedded effect.
     *
     * @param event - The originating click event
     */
    protected onCreateEffect(): void {
        DS4ActiveEffect.createDefault(this.item);
    }

    /**
     * Opens the sheet of the embedded effect corresponding to the clicked element.
     *
     * @param event - The originating click event
     */
    protected onEditEffect(event: JQuery.ClickEvent): void {
        const id = $(event.currentTarget)
            .parents(embeddedDocumentListEntryProperties.ActiveEffect.selector)
            .data(embeddedDocumentListEntryProperties.ActiveEffect.idDataAttribute);
        const effect = this.item.effects.get(id);
        enforce(effect, getGame().i18n.format("DS4.ErrorItemDoesNotHaveEffect", { id, item: this.item.name }));
        effect.sheet?.render(true);
    }

    /**
     * Deletes the embedded item corresponding to the clicked element.
     *
     * @param event - The originating click event
     */
    protected onDeleteEffect(event: JQuery.ClickEvent): void {
        const li = $(event.currentTarget).parents(embeddedDocumentListEntryProperties.ActiveEffect.selector);
        const id = li.data(embeddedDocumentListEntryProperties.ActiveEffect.idDataAttribute);
        this.item.deleteEmbeddedDocuments("ActiveEffect", [id]);
        li.slideUp(200, () => this.render(false));
    }
}

interface DS4ItemSheetData extends ItemSheet.Data<ItemSheet.Options> {
    config: typeof DS4;
    isOwned: boolean;
    actor: DS4ItemSheet["item"]["actor"];
    isPhysical: boolean;
}

/**
 * This object contains information about specific properties embedded document list entries for each different type.
 */
const embeddedDocumentListEntryProperties = Object.freeze({
    ActiveEffect: {
        selector: ".effect",
        idDataAttribute: "effectId",
    },
});