import 'db://assets/mx/tools/MiniGameTextureBoot';
import 'db://assets/mx/tools/CacheManagerPatch';
import 'db://assets/mx/tools/SilenceConsoleInRelease';
import 'db://assets/script/battle/debug/DesignDebug';
import { _decorator, assetManager, Camera, clamp01, Component, director, Label, Node, Sprite, sys } from 'cc';

import { GBundle, UIConfigs, GAudioPath } from './game/ConfigRes';
import { GameController } from './game/GameController';
import { GM } from './game/GM';
import { DEBUG, WECHAT } from 'cc/env';
import { sdkConfig } from './sdk/sdkConfig';
import { GEvent } from '../mx/module/event/GEvent';
import { BattleUiPauseGate } from './battle/BattleUiPauseGate';
import { BootPipeline } from '../mx/module/boot/BootPipeline';
import { RuntimeLoadingGate } from '../mx/module/ui/RuntimeLoadingGate';
import { ClientErrorReporter } from '../mx/tools/ClientErrorReporter';

const { ccclass, property } = _decorator;

/**
 * 游戏入口组件：冷启动 Boot、双门闩进游戏、Boot/运行时 Loading 与网络等待 UI。
 */
@ccclass('GameLaunch')
export class GameLaunch extends Component {

    /** 当前场景挂载的唯一实例 */
    static instantiate: GameLaunch = null;

    @property(Node)
    Loading: Node;

    @property(Label)
    title: Label;

    @property(Node)
    netUI: Node;

    @property(Node)
    loadingUI: Node;

    private _progress = 0;
    /** 首包 Boot 资源就绪 */
    private _firstResReady = false;
    /** 配表与 gg.data.init 完成 */
    private _sdkAndDataReady = false;
    /** 已进入游戏，停止 Boot 进度刷新 */
    private _enteredGame = false;
    private _deferredStarted = false;

    private _loadingProgressSprite: Sprite | null = null;
    private _loadingPercentLabel: Label | null = null;
    private _loadingBarSprite: Sprite | null = null;
    private _bootPipeline = new BootPipeline();
    private _runtimeLoadingGate: RuntimeLoadingGate | null = null;

    protected onLoad(): void {
        gg.sdk.capturePfShow();
        if (WECHAT) {
            // 编译期仅微信包保留；initSdk30r 内再 require 30r，抖音/快手包不含 @dn-sdk
            gg.sdk.initSdk30r();
        }
        GameLaunch.instantiate = this;
        if (assetManager.cacheManager) {
            assetManager.cacheManager.autoClear = true;
        }
        this.bindGlobalEvents();
        this.resolveLoadingRefs();
        this._runtimeLoadingGate = new RuntimeLoadingGate(
            this.getLoadingUI.bind(this),
            this.getBootLoading.bind(this),
            this.isRuntimePhase.bind(this),
            this.onLoadingWatchdog.bind(this),
        );
    }

    protected update(dt: number): void {
        if (this._enteredGame) {
            return;
        }
        if (this._loadingProgressSprite) {
            this._loadingProgressSprite.fillRange = clamp01(this._progress);
        }
        if (!gg.game) {
            return;
        }
        const progress = gg.game.CurentLoadingProgress;
        if (this._loadingPercentLabel) {
            this._loadingPercentLabel.string = `${Math.floor(progress * 100)}%`;
        }
        if (this._loadingBarSprite) {
            this._loadingBarSprite.fillRange = progress;
        }
    }

    start(): void {
        if (DEBUG) {
            window['gg'] = gg;
            window['gm'] = GM;
        }
        if (!this.initCameraAndShell()) {
            return;
        }
        gg.game = this.addComponent(GameController);
        Promise.all([
            gg.lang.init(sdkConfig.defaultLang),
            this._bootPipeline.start({
                onTitle: this.onBootTitle.bind(this),
                onProgress: this.onBootProgress.bind(this),
                onBootAssetsReady: this.onBootAssetsReady.bind(this),
                onSdkAndDataReady: this.onSdkAndDataReady.bind(this),
            }),
        ]).catch(this.onBootFailed.bind(this));
    }

    /**
     * 双门闩：首包资源与 SDK/存档均就绪后进游戏。
     * 门闩字段为 _firstResReady / _sdkAndDataReady；不用 Loading.active 作就绪条件。
     */
    private tryEnterGame(): void {
        if (this._enteredGame) {
            return;
        }
        if (!this._firstResReady || !this._sdkAndDataReady) {
            return;
        }
        if (this._progress < 1) {
            this._progress = 1;
        }
        this._enteredGame = true;
        if (!this._deferredStarted) {
            this._deferredStarted = true;
            this._bootPipeline.startDeferredPhase();
        }
        gg.game.init();
        if (this.Loading && this.Loading.active) {
            this.Loading.active = false;
        }
        if (this._loadingProgressSprite) {
            this._loadingProgressSprite.fillRange = 1;
        }
        this.enabled = false;
    }

    /** 显示网络等待 UI */
    showNetUI(): void {
        if (this.netUI) {
            this.netUI.active = true;
        }
    }

    /** 关闭网络等待 UI */
    closeNetUI(): void {
        if (this.netUI) {
            this.netUI.active = false;
        }
    }

    /** 请求显示运行时 Loading */
    showLoading(index: number = 2, immediate = false): void {
        this._runtimeLoadingGate?.requestShow(index, immediate);
    }

    /** 请求隐藏运行时 Loading */
    hideLoading(): void {
        this._runtimeLoadingGate?.requestHide();
    }

    /** 强制关闭运行时 Loading */
    forceHideLoading(): void {
        this._runtimeLoadingGate?.forceHide();
    }

    protected onDestroy(): void {
        this.unbindGlobalEvents();
        this._runtimeLoadingGate?.dispose();
        this._runtimeLoadingGate = null;
        if (GameLaunch.instantiate === this) {
            GameLaunch.instantiate = null;
        }
    }

    private bindGlobalEvents(): void {
        GEvent.Ins.on(GEvent.SHOW_NET_UI, this.showNetUI, this);
        GEvent.Ins.on(GEvent.HIDE_NET_UI, this.closeNetUI, this);
        GEvent.Ins.on(GEvent.SHOW_LOADING, this.showLoading, this);
        GEvent.Ins.on(GEvent.HIDE_LOADING, this.hideLoading, this);
        GEvent.Ins.on(GEvent.FORCE_HIDE_LOADING, this.forceHideLoading, this);
        this._bindJsErrorSink();
        this._bindBrowserErrorSink();
    }

    private unbindGlobalEvents(): void {
        GEvent.Ins.off(GEvent.SHOW_NET_UI, this.showNetUI, this);
        GEvent.Ins.off(GEvent.HIDE_NET_UI, this.closeNetUI, this);
        GEvent.Ins.off(GEvent.SHOW_LOADING, this.showLoading, this);
        GEvent.Ins.off(GEvent.HIDE_LOADING, this.hideLoading, this);
        GEvent.Ins.off(GEvent.FORCE_HIDE_LOADING, this.forceHideLoading, this);
        if (sys.isBrowser && typeof window !== 'undefined') {
            window.removeEventListener('error', this._onBrowserError);
            window.removeEventListener('unhandledrejection', this._onBrowserRejection);
        }
    }

    /** 小游戏未捕获异常：打日志并上报平台 */
    private _bindJsErrorSink(): void {
        const names = ['wx', 'tt', 'ks', 'qg'];
        for (let i = 0; i < names.length; i++) {
            const api = window[names[i]] as {
                onError?: (cb: (msg: unknown) => void) => void;
                onUnhandledRejection?: (cb: (res: unknown) => void) => void;
            } | undefined;
            if (!api) continue;
            try {
                api.onError?.(this._onMiniGameJsError);
                api.onUnhandledRejection?.(this._onMiniGameRejection);
            } catch (e) {
                ClientErrorReporter.report('GameLaunch_bindJsErrorSink', e);
            }
        }
    }

    /** 浏览器预览未捕获异常 */
    private _bindBrowserErrorSink(): void {
        if (!sys.isBrowser || typeof window === 'undefined') return;
        window.addEventListener('error', this._onBrowserError);
        window.addEventListener('unhandledrejection', this._onBrowserRejection);
    }

    private _onMiniGameJsError = (msg: unknown): void => {
        ClientErrorReporter.report('MiniGame_onError', msg);
    };

    private _onMiniGameRejection = (res: unknown): void => {
        const reason = res && typeof res === 'object' && 'reason' in res
            ? (res as { reason?: unknown }).reason
            : res;
        ClientErrorReporter.report('MiniGame_unhandledRejection', reason);
    };

    private _onBrowserError = (ev: ErrorEvent): void => {
        const msg = ev.message || String(ev.error ?? 'error');
        ClientErrorReporter.report('Browser_onError', msg);
    };

    private _onBrowserRejection = (ev: PromiseRejectionEvent): void => {
        ClientErrorReporter.report('Browser_unhandledRejection', ev.reason);
    };

    private resolveLoadingRefs(): void {
        if (!this.Loading) {
            console.log('[GameLaunch] Loading 节点未绑定');
        } else {
            const progressNode = this.Loading.getChildByName('progress');
            if (!progressNode) {
                console.log('[GameLaunch] Loading/progress 子节点缺失');
            } else {
                this._loadingProgressSprite = progressNode.getComponent(Sprite);
                if (!this._loadingProgressSprite) {
                    console.log('[GameLaunch] progress 节点缺少 Sprite 组件');
                }
            }
        }
        if (!this.loadingUI) {
            console.log('[GameLaunch] loadingUI 节点未绑定');
            return;
        }
        const labelNode = this.loadingUI.find('1/Label');
        if (!labelNode) {
            console.log('[GameLaunch] loadingUI/1/Label 缺失');
        } else {
            this._loadingPercentLabel = labelNode.getComponent(Label);
            if (!this._loadingPercentLabel) {
                console.log('[GameLaunch] loadingUI Label 缺少 Label 组件');
            }
        }
        const barNode = this.loadingUI.find('1/progress');
        if (!barNode) {
            console.log('[GameLaunch] loadingUI/1/progress 缺失');
        } else {
            this._loadingBarSprite = barNode.getComponent(Sprite);
            if (!this._loadingBarSprite) {
                console.log('[GameLaunch] loadingUI progress 缺少 Sprite 组件');
            }
        }
    }

    /**绑定场景相机并初始化 UI、音频 */
    private initCameraAndShell(): boolean {
        const scene = director.getScene();
        if (!scene) {
            console.error('[GameLaunch] director.getScene() 为空，无法初始化 UI');
            return false;
        }
        const uiCameraNode = scene.find('UICamera');
        if (!uiCameraNode) {
            console.error('[GameLaunch] 场景缺少 UICamera 节点');
            return false;
        }
        const uiCamera = uiCameraNode.getComponent(Camera);
        if (!uiCamera) {
            console.error('[GameLaunch] UICamera 缺少 Camera 组件');
            return false;
        }
        gg.ui.init(UIConfigs, uiCamera, false);
        gg.ui.setBattlePauseHook(this.onBattleUiPause.bind(this));
        gg.audio.init({ bundle: GBundle.Audio, path: GAudioPath.SfxUi, clickEffname: '点击按钮' });
        return true;
    }

    private onBootTitle(text: string): void {
        if (!this.title) {
            console.log('[GameLaunch] title Label 未绑定，无法更新 Boot 标题');
            return;
        }
        this.title.string = text;
    }

    private onBootProgress(delta: number): void {
        this._progress += delta;
    }

    private onBootAssetsReady(): void {
        this.onBootTitle('资源加载完成');
        this._firstResReady = true;
        this.tryEnterGame();
    }

    private onSdkAndDataReady(): void {
        this._sdkAndDataReady = true;
        this.tryEnterGame();
    }

    private onBootFailed(err: unknown): void {
        console.error('[GameLaunch] boot', String(err));
    }

    private onBattleUiPause(uiId: number, open: boolean): void {
        const token = `ui:${uiId}`;
        if (open) {
            BattleUiPauseGate.acquire(token);
        } else {
            BattleUiPauseGate.release(token);
        }
    }

    private getLoadingUI(): Node | null {
        return this.loadingUI;
    }

    private getBootLoading(): Node | null {
        return this.Loading;
    }

    private isRuntimePhase(): boolean {
        return this._enteredGame;
    }

    private onLoadingWatchdog(): void {
        gg.game?.onLoadingWatchdogTimeout?.();
    }
}