import { MiniGamePf } from '../../../mx/tools/MiniGameHostInfo';
import { BYTEDANCE } from "cc/env";
import { TTHarmonyCompat } from "./TTHarmonyCompat";

/**
 * 分享。快手用 ks.shareAppMessage（templateId）；微信/抖音保持原接口。
 */
export class Share {
    private _shareDataList: Array<{ desc?: string; res?: string; tt?: string; ks?: string; shareid?: string }> = [];
    private _shareCb: ((ok: boolean) => void) | null = null;

    /** 注册系统分享菜单（微信 / B 站 / 抖音；快手无此菜单 API） */
    init(shareDataList = []): void {
        this._shareDataList = shareDataList ?? [];
        const id = MiniGamePf.id();
        if (id === 'ks') {
            return;
        }

        if (id === 'wx' || id === 'bl') {
            const api = MiniGamePf.api();
            if (!api) return;
            if (typeof api.onShareAppMessage === 'function') {
                api.onShareAppMessage(this._onMenuShare);
            }
            if (typeof api.showShareMenu === 'function') {
                api.showShareMenu({});
            }
            return;
        }

        if (BYTEDANCE) {
            window["tt"].onShareAppMessage(this._onMenuShare);
            TTHarmonyCompat.showShareMenu({});
        }
    }

    /**
     * 主动拉起分享。
     * @param title 标题（微信/抖音）
     * @param imageUrl 配图（微信/抖音）
     * @param cb 结果回调
     * @param query 启动 query
     * @param id 快手/抖音分享模板 id
     */
    share(title = "", imageUrl = "", cb?, query = ``, id = null): void {
        const pf = MiniGamePf.id();
        if (pf === 'ks') {
            this._shareByKs(cb, query, id);
            return;
        }
        if (pf === 'tt') {
            const ok = TTHarmonyCompat.shareAppMessage({
                title: title,
                templateId: id,
                imageUrl: imageUrl,
                query: query,
                success: () => { if (cb) cb(true); },
                fail: () => { if (cb) cb(false); }
            });
            if (!ok && cb) {
                cb(false);
            }
            return;
        }
        if (pf === 'wx' || pf === 'bl') {
            const api = MiniGamePf.api();
            if (!api?.shareAppMessage) {
                console.warn('[Share] shareAppMessage 不可用', pf);
                if (cb) cb(false);
                return;
            }
            api.shareAppMessage({
                title: title,
                imageUrl: imageUrl,
                query: query
            });
            return;
        }
        console.warn('[Share] 当前平台无分享接口', pf);
        if (cb) cb(false);
    }

    /** 系统分享菜单文案 */
    private _onMenuShare = (): { title: string; imageUrl: string } => {
        const list = this._shareDataList;
        let title = '';
        let imageUrl = '';
        if (list.length > 0) {
            const data = list[Math.floor(Math.random() * list.length)];
            if (data?.desc) title = data.desc;
            if (data?.res) imageUrl = data.res;
        }
        return { title, imageUrl };
    };

    /** 快手分享成功 */
    private _onKsShareOk = (): void => {
        const cb = this._shareCb;
        this._shareCb = null;
        cb?.(true);
    };

    /** 快手分享失败 */
    private _onKsShareFail = (): void => {
        const cb = this._shareCb;
        this._shareCb = null;
        cb?.(false);
    };

    /** 快手：templateId 可选，不传走默认文案 */
    private _shareByKs(cb: ((ok: boolean) => void) | undefined, query: string, id: string | null): void {
        const ks = MiniGamePf.api();
        if (!ks?.shareAppMessage) {
            console.warn('[Share] ks.shareAppMessage 不可用');
            cb?.(false);
            return;
        }
        this._shareCb = cb ?? null;
        const tmpl = id || this._pickKsTemplateId();
        const opts: Record<string, unknown> = {
            query: query || undefined,
            success: this._onKsShareOk,
            fail: this._onKsShareFail,
        };
        if (tmpl) opts.templateId = tmpl;
        ks.shareAppMessage(opts);
    }

    /** 从配置取快手模板 id（ks / tt / shareid） */
    private _pickKsTemplateId(): string {
        const list = this._shareDataList;
        if (!list.length) return '';
        const data = list[Math.floor(Math.random() * list.length)];
        return data?.ks || data?.tt || data?.shareid || '';
    }
}