import { _decorator, Component, Node, ProgressBar, Label, UITransform, tween, JsonAsset } from 'cc';
import { callGameApi, getIsRB7, getLanguage, initReqAddr } from './comm';
import { DEBUG } from 'cc/env';
import { initErrorManager } from './manager/ErrorManager';
import { I18nManager } from './manager/I18nManager';
import { LocalizedSprite } from './i18n/LocalizedSprite';
import { AudioManager } from './manager/AudioManager';
import { GameDataManager } from './manager/GameDataManager';
import { ResManager } from './manager/ResManager';
import { NodePoolManager } from './manager/NodePoolManager';


const { ccclass, property } = _decorator;

@ccclass('Loading')
export class Loading extends Component {
    // UI组件
    @property(Node) progressNode: Node = null;
    @property(ProgressBar) progressBar: ProgressBar = null;
    @property(Label) progressLabel: Label = null;
    @property(Label) loadingLabel: Label = null;
    @property(Node) maskSpineNode: Node = null;
    @property(Node) lightSpineNode: Node = null;
    @property(Node) startBtnNode: Node = null;
    @property(Node) LoadingUINode: Node = null;
    @property(Node) rb7Logo: Node = null;
    @property(JsonAsset) languageJson: JsonAsset = null;

    // 加载状态
    private isNetworkReady = false;
    private readonly PROGRESS_ANIMATION_DURATION = 0.3;

    // 进度条阶段
    private readonly PROGRESS_INIT = 0.2;        // 初始化完成
    private readonly PROGRESS_NETWORK = 0.5;     // 网络请求完成
    private readonly PROGRESS_RESOURCE = 0.9;    // 资源加载完成
    private readonly PROGRESS_COMPLETE = 1.0;    // 完全加载完成

    // 游戏节点
    private gameContainer: Node = null;
    private gameNode: Node = null;


    protected async onLoad() {
        initReqAddr();
        let language = getLanguage();

        if (getLanguage() == 'zh') {
            this.node.getChildByPath("Mask/LoadingUINode/logo_zh").active = true;
            this.node.getChildByPath("Mask/LoadingUINode/logo_en").active = false;
        } else {
            this.node.getChildByPath("Mask/LoadingUINode/logo_zh").active = false;
            this.node.getChildByPath("Mask/LoadingUINode/logo_en").active = true;
        }

        initErrorManager();
        await I18nManager.instance.ensureI18nSprite(language, '2');
        this.node.getChildByPath('Mask/LoadingUINode/msg').getComponent(LocalizedSprite).updateSpriteForPreload(language);
        this.node.getChildByPath('Mask/LoadingUINode/msg').active = true;

        await I18nManager.instance.init(language, this.languageJson);
        I18nManager.instance.updateSceneRenderers();

        this.initializeUI();
        // 初始化完成，进度条到20%
        this.updateProgress(this.PROGRESS_INIT);

        try {
            await this.initializeSystem();
            AudioManager.instance.init();
            this.updateLoadingText('AID_LOADING');

            // 延迟一下让用户看到进度条开始
            this.scheduleOnce(() => {
                this.startNetworkLoading();
            }, 0.2);
        } catch (error) {
            console.error('Network initialization failed:', error);
            // this.handleError(error);
        }
    }


    /** 初始化系统 */
    private async initializeSystem() {
        this.rb7Logo.active = getIsRB7();
        // if (DEBUG) {
        //     await getTestToken('nova006', 'faketrans');
        // }
    }

    /** 初始化UI */
    private initializeUI() {
        this.startBtnNode.active = false;
        this.gameContainer = this.node.getChildByPath('Mask/GameNode')

        // 初始化进度条为0
        this.updateProgress(0);
    }

    /** 开始网络加载 */
    private async startNetworkLoading() {
        this.updateLoadingText('AID_LOADING');

        try {
            let gameInfo = await callGameApi("gameinfo", {});

            GameDataManager.instance.gameInfo = gameInfo;
            this.isNetworkReady = true;

            // 网络请求完成，进度条到50%
            this.updateProgress(this.PROGRESS_NETWORK);

            // 稍微延迟一下让用户看到进度变化
            this.scheduleOnce(() => {
                this.startResourceLoading();
            }, 0.3);
        } catch (error) {

        }

    }

    /** 开始资源加载 */
    private async startResourceLoading() {
        if (!this.isNetworkReady) return;

        // this.updateLoadingText('Loading More...');
        this.startBtnNode.active = false;

        this.gameNode = await ResManager.instance.loadPrefabFromBundle(
            'Game',
            'SlotScene',
            (finished: number, total: number) => {
                if (total > 0) {
                    // 资源加载进度从50%到90%
                    const resourceProgress = finished / total;
                    const currentProgress = this.PROGRESS_NETWORK +
                        (resourceProgress * (this.PROGRESS_RESOURCE - this.PROGRESS_NETWORK));
                    this.updateProgress(currentProgress);
                }
            }
        );

        // 资源加载完成，进度条到90%
        this.updateProgress(this.PROGRESS_RESOURCE);

        // 延迟一下然后完成最后的10%
        this.scheduleOnce(() => {
            this.finishLoading();
        }, 0.2);
    }

    /** 完成加载 */
    private finishLoading() {
        // this.updateLoadingText('Loading More...');

        // 最后10%快速完成
        this.updateProgress(this.PROGRESS_COMPLETE);

        // 0.5秒后显示开始按钮
        this.scheduleOnce(() => {
            this.onLoadComplete();
        }, 0.5);
    }

    /** 更新进度条 */
    private updateProgress(progress: number) {

        tween(this.progressBar)
            .to(this.PROGRESS_ANIMATION_DURATION, { progress }, {
                easing: 'smooth',
                onUpdate: (target: any) => {
                    const currentProgress = target.progress;
                    this.progressLabel.string = `${Math.floor(currentProgress * 100)}%`;
                    this.maskSpineNode.getComponent(UITransform).setContentSize(currentProgress * 509, 100);
                    this.lightSpineNode.setPosition(currentProgress * 509 - 278, -612, 0)
                }
            })
            .start();
    }



    /** 更新加载文本 */
    private updateLoadingText(key: string) {
        this.loadingLabel.string = `${I18nManager.instance.t(key)}...`;
    }

    /** 加载完成 */
    private onLoadComplete() {
        this.hideProgressUI();
        this.showStartButton();
    }

    /** 隐藏进度UI */
    private hideProgressUI() {
        this.loadingLabel.string = '';
        this.progressBar.node.active = false;
        this.progressLabel.node.active = false;
        this.maskSpineNode.active = false;
        this.lightSpineNode.active = false;
    }

    /** 显示开始按钮 */
    private showStartButton() {
        this.startBtnNode.active = true;
    }


    /** 开始游戏 */
    // private startGame() {
    //     if (!this.gameContainer) {
    //         console.error('Game container not found');
    //         return;
    //     }

    //     this.gameContainer.addChild(this.gameNode);
    //     // this.node.destroy();
    // }

    /** 按钮点击事件 */
    onStartBtnClick() {
        this.rb7Logo.active = false;
        // 添加到场景
        this.gameContainer.addChild(this.gameNode);
        // 隐藏加载界面
        this.LoadingUINode.destroy();
    }

    onDestroy() {
        this.unscheduleAllCallbacks();
        tween(this.progressBar).stop();
        NodePoolManager.instance.clearAll();
    }
}