import { _decorator, assetManager, AssetManager, director, instantiate, Label, Node, Prefab, sp, Sprite, SpriteFrame, tween, Vec3 } from 'cc';
import { BundleName } from '../Config/EnumCfg';
const { ccclass, property } = _decorator;

@ccclass('LayerMgr')
export class LayerMgr {
    private static _layerMgr: LayerMgr = null;

    private _dialogList: any = null;

    public static get instance(): LayerMgr {

        if (this._layerMgr == null) {
            this._layerMgr = new LayerMgr()
        }

        return this._layerMgr;
    }

    private constructor() {
        this._dialogList = {}
    }

    loadBundle(bundleName: string, callback?: Function) {
        if (!bundleName) return;
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)
        if (bundle) {
            // 关卡包先预加载动画和声音资源
            if (bundleName.indexOf("Unit") > -1) {
                this.preloadDir(bundle, "Animation")
                this.preloadDir(bundle, "Audio")
            }

            if (callback)
                callback(bundle)
            return;
        }
        AssetManager.instance.loadBundle(bundleName, AssetManager.Bundle, (err, res) => {
            if (err) {
                console.log(`load ${bundleName} bundle err: `, err)
                return;
            }
            console.log(`load ${bundleName} complete`, bundleName.indexOf("Unit"))
            // 关卡包先预加载动画和声音资源
            if (bundleName.indexOf("Unit") > -1) {
                this.preloadDir(res, "Animation")
                this.preloadDir(res, "Audio")
            }
            if (callback)
                callback(res)
        })
    }

    changeScene(bundleName: string, sceneName: string, callback?: any) {
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)

        if (bundle) {
            this.loadScene(bundle, sceneName, (res) => {
                director.loadScene(sceneName, callback);
            });
        } else {
            this.loadBundle(bundleName, (res) => {
                this.loadScene(res, sceneName, (scene) => {
                    director.loadScene(sceneName, callback);
                })
            })
        }
    }

    preloadDir(bundle: AssetManager.Bundle, dir: string) {
        console.log("start preloaddir: ", bundle.name, dir)
        if (!bundle || !dir) return
        bundle.preloadDir(dir, (err, res) => {
            if (err)
                console.log("preloaddir err")
            else
                console.log("preloaddir complete: ", bundle.name, dir)
        })
    }

    private loadScene(bundle: AssetManager.Bundle, sceneName: string, callback?: Function) {
        if (!bundle || !sceneName) return;
        bundle.loadScene(sceneName, (err, res) => {
            if (err) {
                console.error(`load ${sceneName} scene err: `)
                return;
            }
            if (callback)
                callback(res)
        })
    }

    showMsgTips(str: string, time?) {
        let msgTips = null;
        let bundle: AssetManager.Bundle = this.getBundle(BundleName.Res)
        if (!bundle) return;
        bundle.load("Prefab/msgTips", Prefab, (err, res) => {
            if (err) {
                console.error("load msgTips err", err);
                return;
            }
            msgTips = instantiate(res);
            msgTips.getChildByName("label").getComponent(Label).string = str
            // msgTips.scale = 1;
            director.getScene().getChildByName("Canvas").addChild(msgTips);
            console.log("show msgTips: ", str)
            msgTips.scale = Vec3.ZERO
            tween(msgTips).to(0.3, { scale: Vec3.ONE }, { easing: "sineIn" }).delay(1).to(0.3, { opacity: 0 }, { easing: "fade" }).delay(time ? time : 0).call(() => {
                msgTips.removeFromParent()
                msgTips.destroy()
            }).start()
        })
    }

    ShowPrefab(bundleName: BundleName, prefab: string, call?: Function) {
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)
        if (bundle) {
            bundle.load(prefab, Prefab, (err, res) => {
                if (err) {
                    console.log(`load ${prefab} err: `, bundleName);
                    return
                }
                let node: Node = instantiate(res as Prefab);
                director.getScene().getChildByName('Canvas').addChild(node);
                if (call)
                    call(node)
            })
        }
    }

    ShowPrefab2(bundleName: BundleName, prefab: string, call?: Function) {
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)
        if (bundle) {
            bundle.load(prefab, Prefab, (err, res) => {
                if (err) {
                    console.log(`load ${prefab} err: `, bundleName);
                    return
                }
                let node: Node = instantiate(res as Prefab);
                director.getScene().getChildByName('Canvas').addChild(node);
                if (call)
                    call(node)
            })
        }
    }

    ShowSpine(bundlename: string, url: string, spine: sp.Skeleton, cb: Function = null) {
        let subres = assetManager.getBundle(bundlename)
        if (subres) {
            subres.load(url, sp.SkeletonData, (error: Error, sp: sp.SkeletonData) => {
                if (sp != null) {
                    if (cb) {
                        spine.skeletonData = sp
                        cb(sp);
                    } else {
                        spine.skeletonData = sp
                    }
                }
                else {
                    alert("err:" + error);
                }
            })
        }
    }

    ShowSprite(bundleName: BundleName | string, spritepath: string, changeSpriteFrameNode: Node, call?: Function) {
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)
        if (bundle) {
            bundle.load(spritepath + "/spriteFrame", SpriteFrame, (err, res) => {
                if (err) {
                    console.error(err)
                    console.log(`load ${spritepath} err: `, bundleName);
                    return
                }
                let spr: SpriteFrame = (res as SpriteFrame);
                changeSpriteFrameNode.getComponent(Sprite).spriteFrame = spr;
                call && call(spr)
            })
        }
    }

    ShowSprite2(bundleName: BundleName | string, spritepath: string, spriter: Sprite, call?: Function) {
        let bundle: AssetManager.Bundle = this.getBundle(bundleName)
        if (bundle) {
            bundle.load(spritepath + "/spriteFrame", SpriteFrame, (err, res) => {
                if (err) {
                    console.error(err)
                    console.log(`load ${spritepath} err: `, bundleName);
                    return
                }
                let spr: SpriteFrame = (res as SpriteFrame);
                spriter.spriteFrame = spr;
                call && call(spr)
            })
        }
    }

    getBundle(bundleName: string): AssetManager.Bundle {
        if (bundleName == BundleName.Res) return assetManager.resources
        return assetManager.getBundle(bundleName)
    }
}