/** @format */

/**
 * UIManager界面管理类
 *
 * 1.打开界面，根据配置自动加载界面、调用初始化、播放打开动画、隐藏其他界面、屏蔽下方界面点击
 * 2.关闭界面，根据配置自动关闭界面、播放关闭动画、恢复其他界面
 * 3.切换界面，与打开界面类似，但是是将当前栈顶的界面切换成新的界面（先关闭再打开）
 * 4.提供界面缓存功能
 *
 */

import {BaseUI, UIShowTypes} from '../ui/BaseUI'
import {IUIConfig, UICfg} from '../config/UICfg'
import {ccUtils} from '../utils/ccUtils'
import {UI} from '../enums/UI'
import {Data, Mgr} from '../GameControl'
import {IOperateNeed} from '../interface/GlobalInterface'
import {IMessage, IReward, IRewardNty, ItemUICfg} from '../interface/UIInterface'
import {SOUND} from '../enums/Sound'
import {GOODS} from '../enums/Enum'
import {TopCell} from '../cell/TopCell'
import {FootCell} from '../cell/FootCell'

/** UI栈结构体 */
export interface UIInfo {
    uiID: number
    baseUI: BaseUI
    uiArgs: any
    uiCfg: IUIConfig
    preventNode?: cc.Node
    aniNode?: cc.Node
    zOrder?: number
    isClose?: boolean
    hideTime?: number
    prefab?: cc.Prefab
}

export interface GroupUIInfo {
    uiID: number
    uiArgs?: any
}

export class UIManager {
    /** 是否正在关闭UI */
    private isClosing = false
    /** 是否正在打开UI */
    private isOpening = false
    /** UI界面缓存（key为UIId，value为BaseUI节点）*/
    private UICache: {[UIId: number]: UIInfo} = {}
    /** UI界面栈（{UIID + BaseUI + UIArgs}数组）*/
    private UIStack: UIInfo[] = []
    /** UI待打开列表 */
    private UIOpenQueue: UIInfo[] = []
    /** UI待关闭列表 */
    private UICloseQueue: number[] = []
    /** UI配置 */
    private releaseTimeID: any
    /** 打开一组UI */
    private groupUIs: GroupUIInfo[] = []
    private curGroupUI: GroupUIInfo = null

    public prefabBundle: cc.AssetManager.Bundle = null
    /** UI打开前回调 */
    public uiOpenBeforeDelegate: (uiID: number, preUIId: number) => void = null
    /** UI打开回调 */
    public uiOpenDelegate: (uiID: number, preUIId: number) => void = null
    /** UI关闭回调 */
    public uiCloseDelegate: (uiID: number) => void = null

    private topNode: cc.Node
    private footNode: cc.Node

    public async init() {
        if (this.releaseTimeID) clearInterval(this.releaseTimeID)
        this.releaseTimeID = setInterval(this.cleanUI.bind(this), 15000)
        Data.main.texBundle = await ccUtils.getBundleAsync('texture')
        this.prefabBundle = await ccUtils.getBundleAsync('prefab')
        //加载全局通用预制体
        let itemsPrefabArr = (await Mgr.res.loadDirSync(this.prefabBundle, 'items', cc.Prefab)) as cc.Prefab[]
        for (let j = 0; j < itemsPrefabArr.length; j++) {
            Data.main.itemsPrefabMap.set(itemsPrefabArr[j].name, itemsPrefabArr[j])
            let pool = Data.main.itemsPoolMap.get(itemsPrefabArr[j].name)
            if (!pool) {
                pool = new cc.NodePool()
                Data.main.itemsPoolMap.set(itemsPrefabArr[j].name, pool)
            }
        }
        //顶部预制体
        let topPrefab = (await Mgr.res.loadSync(this.prefabBundle, 'cell/topCell', cc.Prefab)) as cc.Prefab
        this.topNode = cc.instantiate(topPrefab)
        //底部预制体
        let footPrefab = (await Mgr.res.loadSync(this.prefabBundle, 'cell/footCell', cc.Prefab)) as cc.Prefab
        this.footNode = cc.instantiate(footPrefab)
        return this.prefabBundle != null
    }

    /****************** 私有方法，UIManager内部的功能和基础规则 *******************/

    /**
     * 添加防触摸层
     * @param zOrder 屏蔽层的层级
     */
    private preventTouch(zOrder: number) {
        let node = new cc.Node()
        node.name = 'preventTouch'
        node.setContentSize(cc.winSize)
        node.on(
            cc.Node.EventType.TOUCH_START,
            (event: cc.Event.EventCustom) => {
                event.stopPropagation()
            },
            node,
        )
        let child = cc.director.getScene().getChildByName('Canvas')
        child.addChild(node, zOrder)
        return node
    }

    /** 自动执行下一个待关闭或待打开的界面 */
    private autoExecNextUI() {
        // 逻辑上是先关后开
        if (this.UICloseQueue.length > 0) {
            let closeUI = this.UICloseQueue[0]
            this.UICloseQueue.splice(0, 1)
            this.hide(closeUI)
        } else if (this.UIOpenQueue.length > 0) {
            let uiQueueInfo = this.UIOpenQueue[0]
            this.UIOpenQueue.splice(0, 1)
            this.show(uiQueueInfo.uiID, uiQueueInfo.uiArgs)
        }
    }

    /**
     * 自动检测动画组件以及特定动画，如存在则播放动画，无论动画是否播放，都执行回调
     * @param aniName 动画名
     * @param aniOverCallback 动画播放完成回调
     */
    private autoExecAnimation(baseUI: BaseUI, aniName: string, aniOverCallback: () => void) {
        // 暂时先省略动画播放的逻辑
        let node = baseUI.node
        switch (aniName) {
            case 'uiOpen':
                if (
                    baseUI.showType >= UIShowTypes.UIAddition &&
                    ![UI.LoadingUI, UI.TipUI, UI.PowerUpUI, UI.GameLoadingUI].includes(baseUI.uiID)
                ) {
                    Mgr.audio.playSFX(SOUND.uiPop)
                    node.setScale(0)
                    node.opacity = 0
                    cc.tween(node)
                        .to(0.3, {scale: 1.1}, {easing: 'backOut'}) // 缩放动作，0.3秒内从 0 缩放到 1，使用 backOut 缓动效果
                        .to(0.3, {opacity: 255}) // 渐显动作，0.1秒内从透明度 0 到 255
                        .union()
                        .to(0.1, {scale: 1}) // 缩小一点，形成回弹效果
                        .call(aniOverCallback)
                        .start()
                } else {
                    aniOverCallback()
                }
                break
            case 'uiClose':
                aniOverCallback()
                break
        }
    }

    /**
     * 异步加载一个UI的prefab，成功加载了一个prefab之后
     * @param uiID 界面id
     * @param processCallback 加载进度回调
     * @param completeCallback 加载完成回调
     * @param uiArgs 初始化参数
     */
    private getOrCreateUI(
        uiID: number,
        processCallback: any,
        completeCallback: (baseUI: BaseUI, prefab?: cc.Prefab) => void,
        uiArgs: any,
    ): void {
        // 如果找到缓存对象，则直接返回
        let baseUI: BaseUI
        let cacheUIInfo = this.UICache[uiID]
        if (cacheUIInfo) {
            completeCallback(cacheUIInfo.baseUI)
            return
        }

        // 找到UI配置
        let uiPath = UICfg.get(uiID).url
        if (null == uiPath) {
            cc.log(`getOrCreateUI ${uiID} faile, prefab conf not found!`)
            completeCallback(null)
            return
        }

        this.prefabBundle.load(uiPath, cc.Prefab, processCallback, (err: Error, prefab: cc.Prefab) => {
            // 检查加载资源错误
            if (err) {
                cc.error(`getOrCreateUI loadRes ${uiID} faile, path: ${uiPath} error: ${err}`)
                completeCallback(null)
                return
            }
            // 检查实例化错误
            let uiNode: cc.Node = cc.instantiate(prefab)
            if (null == uiNode) {
                cc.error(`getOrCreateUI instantiate ${uiID} faile, path: ${uiPath}`)
                completeCallback(null)
                cc.assetManager.releaseAsset(prefab)
                return
            }
            // 检查组件获取错误
            baseUI = uiNode.getComponent(BaseUI)
            if (null == baseUI) {
                cc.error(`getOrCreateUI getComponent ${uiID} faile, path: ${uiPath}`)
                uiNode.destroy()
                completeCallback(null)
                cc.assetManager.releaseAsset(prefab)
                return
            }
            baseUI.uiID = uiID
            baseUI.init(uiArgs)
            completeCallback(baseUI, prefab)
        })
    }

    /**
     * UI被打开时回调，对UI进行初始化设置，刷新其他界面的显示，并根据
     * @param uiID 哪个界面被打开了
     * @param baseUI 界面对象
     * @param uiInfo 界面栈对应的信息结构
     * @param uiArgs 界面初始化参数
     */
    private onUIOpen(uiID: number, baseUI: BaseUI, uiInfo: UIInfo, uiArgs: any) {
        if (null == baseUI) {
            return
        }
        // 激活界面
        uiInfo.baseUI = baseUI
        baseUI.node.active = true
        let realZIndex = uiInfo.zOrder + baseUI.showType
        baseUI.node.zIndex = realZIndex

        if (baseUI.prevent) {
            let blockInputEvents = baseUI.node.getChildByName('blockInputEvents')
            if (!blockInputEvents) {
                blockInputEvents = new cc.Node()
                blockInputEvents.name = 'blockInputEvents'
                blockInputEvents.setContentSize(cc.winSize)
                blockInputEvents.addComponent(cc.BlockInputEvents)
                baseUI.node.addChild(blockInputEvents, -9999)
            }
            // 这里直接给node添加BlockInputEvents导致子节点setSwallowTouches无法吞噬，改成上面的实现方式
            // baseUI.node.setContentSize(cc.winSize)
            // if (!baseUI.node.getComponent(cc.BlockInputEvents)) baseUI.node.addComponent(cc.BlockInputEvents)
        }
        // 快速关闭界面的设置，绑定界面中的background，实现快速关闭
        if (baseUI.quickClose) {
            let backGround = baseUI.node.getChildByName('background')
            if (!backGround) {
                backGround = new cc.Node()
                backGround.name = 'background'
                backGround.setContentSize(cc.winSize)
                baseUI.node.addChild(backGround, -1)
            }
            backGround.targetOff(cc.Node.EventType.TOUCH_START)
            backGround.on(
                cc.Node.EventType.TOUCH_START,
                (event: cc.Event.EventCustom) => {
                    event.stopPropagation()
                    this.hideBaseUI(baseUI)
                },
                backGround,
            )
        }

        // 添加到场景中
        let child = cc.director.getScene().getChildByName('Canvas')
        child.addChild(baseUI.node)

        // 从那个界面打开的
        let fromUIID = 0
        if (this.UIStack.length > 1) {
            fromUIID = this.UIStack[this.UIStack.length - 2].uiID
        }

        // 打开界面之前回调
        if (this.uiOpenBeforeDelegate) {
            this.uiOpenBeforeDelegate(uiID, fromUIID)
        }
        // 执行onOpen回调 下一帧执行保证onLoad onEnable先执行
        baseUI.scheduleOnce(() => {
            if (!uiInfo.isClose && baseUI.node.activeInHierarchy) baseUI.onShow(uiArgs, fromUIID)
        })
        this.autoExecAnimation(baseUI, 'uiOpen', () => {
            baseUI.onOpenAniOver()
            if (this.uiOpenDelegate) {
                this.uiOpenDelegate(uiID, fromUIID)
            }
        })
    }

    /** 打开界面并添加到界面栈中 */
    public show(uiID: number, uiArgs: any = null, progressCallback: Function = null): void {
        let uiInfo: UIInfo = {
            uiCfg: UICfg.get(uiID),
            uiID: uiID,
            uiArgs: uiArgs,
            baseUI: null,
        }

        if (this.isOpening || this.isClosing) {
            // 插入待打开队列
            let openIndex = this.UIOpenQueue.findIndex(item => item.uiID == uiID)
            if (openIndex >= 0) this.UIOpenQueue.splice(openIndex, 1)
            this.UIOpenQueue.push(uiInfo)
            return
        }
        let uiInfoTmp = this.getUIInfo(uiID)
        if (uiInfoTmp) {
            // 重复打开了同一个界面
            this.hide(uiID)
            this.show(uiID, uiArgs)
            return
        }
        // 设置UI的zOrder
        uiInfo.zOrder = this.UIStack.length
        this.UIStack.push(uiInfo)

        // 先屏蔽点击
        uiInfo.preventNode = this.preventTouch(10000)

        this.isOpening = true
        // 预加载资源，并在资源加载完成后自动打开界面
        this.getOrCreateUI(
            uiID,
            progressCallback,
            (baseUI: BaseUI, prefab: cc.Prefab): void => {
                if (uiInfo.preventNode) {
                    uiInfo.preventNode.destroy()
                    uiInfo.preventNode = null
                }
                // 如果界面已经被关闭或创建失败
                if (uiInfo.isClose || null == baseUI) {
                    cc.log(`getOrCreateUI ${uiID} faile!
                        close state : ${uiInfo.isClose} , baseUI : ${baseUI}`)
                    this.isOpening = false
                    return
                }
                if (prefab) uiInfo.prefab = prefab
                this.onUIOpen(uiID, baseUI, uiInfo, uiArgs)
                this.isOpening = false
                this.autoExecNextUI()
            },
            uiArgs,
        )
    }

    /** 显示一组UI */
    showUIs(UIs: GroupUIInfo[]) {
        if (!UIs) return
        UIs = UIs.filter(value => value)
        if (UIs.length <= 0) return
        this.groupUIs = UIs
        this.curGroupUI = this.groupUIs.splice(0, 1)[0]
        this.show(this.curGroupUI.uiID, this.curGroupUI.uiArgs)
    }

    /** 替换栈顶界面 */
    public replace(uiID: number, uiArgs: any = null) {
        this.hideBaseUI(this.UIStack[this.UIStack.length - 1].baseUI)
        this.show(uiID, uiArgs)
    }

    /**
     * 关闭当前界面
     * @param closeUI 要关闭的界面
     */
    public hideBaseUI(closeUI?: BaseUI) {
        let uiCount = this.UIStack.length
        if (uiCount < 1 || this.isClosing || this.isOpening) {
            if (closeUI) {
                // 插入待关闭队列
                let closeIndex = this.UICloseQueue.findIndex(v => v == closeUI.uiID)
                if (closeIndex >= 0) this.UICloseQueue.splice(closeIndex, 1)
                this.UICloseQueue.push(closeUI.uiID)
            }
            return
        }

        let uiInfo: UIInfo
        if (closeUI) {
            let isSplice = false
            for (let index = this.UIStack.length - 1; index >= 0; index--) {
                let ui = this.UIStack[index]
                if (ui.baseUI === closeUI) {
                    uiInfo = ui
                    isSplice = true
                    this.UIStack.splice(index, 1)
                    break
                }
            }
            if (isSplice) this.resetUIStackZIndex()
            // 找不到这个UI
            if (uiInfo === undefined) {
                let index = this.UIOpenQueue.findIndex(value => value.uiID == closeUI.uiID)
                if (index >= 0) {
                    this.UIOpenQueue.splice(index, 1)
                }
                this.autoExecNextUI()
                return
            }
        } else {
            uiInfo = this.UIStack.pop()
        }

        // 关闭当前界面
        let uiID = uiInfo.uiID
        let baseUI = uiInfo.baseUI
        uiInfo.isClose = true

        // 回收遮罩层
        if (uiInfo.preventNode) {
            uiInfo.preventNode.destroy()
            uiInfo.preventNode = null
        }

        if (null == baseUI) {
            return
        }
        this.isClosing = true
        let preUIInfo = null
        for (let i = uiCount - 2; i >= 0; i--) {
            if (this.UIStack[i] && this.UIStack[i].baseUI.showType == baseUI.showType) {
                preUIInfo = this.UIStack[i]
                break
            }
        }
        let close = () => {
            this.isClosing = false
            // 显示之前的界面
            if (preUIInfo && preUIInfo.baseUI && preUIInfo.baseUI.node.activeInHierarchy) {
                // 回调onTop onTop只是当前层级生效
                preUIInfo.baseUI.onTop(uiID)
            }
            if (this.uiCloseDelegate) {
                this.uiCloseDelegate(uiID)
            }
            this.releaseUI(uiInfo)
            baseUI.onHide()
            this.autoExecNextUI()
            if (this.groupUIs.length > 0) {
                this.curGroupUI = this.groupUIs.splice(0, 1)[0]
                this.show(this.curGroupUI.uiID, this.curGroupUI.uiArgs)
            }
        }
        // 执行关闭动画
        this.autoExecAnimation(baseUI, 'uiClose', close)
    }

    /**
     * 关闭当前界面
     * @param uiID 要关闭的界面
     */
    public hide(uiID: UI) {
        let uiCount = this.UIStack.length
        if (uiCount < 1 || this.isClosing || this.isOpening) {
            if (uiID) {
                // 插入待关闭队列
                const openIndex = this.UIOpenQueue.findIndex(v => v.uiID == uiID)
                if (openIndex != -1) {
                    this.UIOpenQueue.splice(openIndex, 1)
                } else {
                    this.UICloseQueue.push(uiID)
                }
            }
            return
        }
        if (this.getUI(uiID)) this.hideBaseUI(this.getUI(uiID))
    }

    /** 关闭所有界面 */
    public closeAll(remainUIs: UI[] = []) {
        // 不播放动画，也不清理缓存
        let remainUIInfo = []
        for (const uiInfo of this.UIStack) {
            if (remainUIs.includes(uiInfo.uiID)) {
                remainUIInfo.push(uiInfo)
                continue
            }
            uiInfo.isClose = true
            if (uiInfo.preventNode) {
                uiInfo.preventNode.destroy()
                uiInfo.preventNode = null
            }
            if (uiInfo.baseUI) {
                //uiInfo.baseUI.decAllRef()
                this.releaseUI(uiInfo)
                uiInfo.baseUI.onHide()
            }
        }
        this.UIOpenQueue = []
        this.UICloseQueue = []
        this.UIStack = remainUIInfo
        this.resetUIStackZIndex()
        this.isOpening = false
        this.isClosing = false
        this.curGroupUI = null
        this.groupUIs = []
    }

    releaseUI(uiInfo: UIInfo) {
        let baseUI = uiInfo.baseUI
        baseUI.node.parent = null
        this.UICache[uiInfo.uiID] = uiInfo
        if (!baseUI.cache) {
            uiInfo.hideTime = Date.now()
        }
    }

    cleanUI() {
        let now = Date.now()
        for (let key in this.UICache) {
            let uiInfo = this.UICache[key]
            if (uiInfo) {
                let node = uiInfo.baseUI.node
                let hideTime = uiInfo.hideTime
                let prefab = uiInfo.prefab
                if (!node.parent && hideTime > 0 && now - hideTime > 15000 && !this.isClosing && !this.isOpening) {
                    console.log('UIMgr releaseUI:', node.name)
                    uiInfo.baseUI.decAllRef()
                    node.destroy()
                    cc.assetManager.releaseAsset(prefab)
                    delete this.UICache[key]
                }
            }
        }
    }

    resetUIStackZIndex() {
        for (let i = 0; i < this.UIStack.length; i++) {
            let uiInfo = this.UIStack[i]
            uiInfo.zOrder = i
            uiInfo.baseUI.node.zIndex = i + uiInfo.baseUI.showType
        }
    }

    /******************** UI的便捷接口 *******************/
    //可能存在当时UI正在加载node，没有baseUI，顶层不是那么精确
    public isTopUI(uiID, isCurLayer: boolean = true): boolean {
        let curUIs = this.UIStack
        let uiInfo = curUIs.find(v => v.uiID == uiID)
        if (!uiInfo) return false
        if (uiInfo && isCurLayer) {
            curUIs = this.UIStack.filter(v => v.baseUI && uiInfo.baseUI && v.baseUI.showType == uiInfo.baseUI.showType)
        }
        return curUIs[curUIs.length - 1]?.uiID == uiID
    }

    public getUI(uiID: number): BaseUI {
        for (let index = 0; index < this.UIStack.length; index++) {
            const element = this.UIStack[index]
            if (uiID == element.uiID) {
                return element.baseUI
            }
        }
        return null
    }

    //返回uiID,可能存在当时UI正在加载node，没有baseUI
    public getTopUI(): number {
        if (this.UIStack.length > 0) {
            return this.UIStack[this.UIStack.length - 1].uiID
        }
        return null
    }

    public getUIInfo(uiID: number): UIInfo {
        for (let index = 0; index < this.UIStack.length; index++) {
            let element = this.UIStack[index]
            if (uiID == element.uiID) {
                return element
            }
        }
        return null
    }

    public getGroupUIInfo(uiID: number, args?: any): GroupUIInfo {
        return {uiID, uiArgs: args}
    }

    public getRewardGroupUIInfo(rewardNty: IRewardNty): GroupUIInfo | null {
        let hasReward = false
        for (let key in rewardNty) {
            hasReward ||= Array.isArray(rewardNty[key]) && rewardNty[key].length > 0
        }
        if (hasReward) {
            let rewardArgs: IReward = {idNumArr: Mgr.goods.getGoodsListByRewardNty(rewardNty)}
            return {uiID: UI.RewardUI, uiArgs: rewardArgs}
        } else {
            return null
        }
    }

    public callOnShow(uiID: UI, args: any) {
        let uiInfo = this.getUIInfo(uiID)
        if (uiInfo && uiInfo.baseUI) {
            uiInfo.baseUI.onShow(args, null)
        }
    }

    /******************** 通用UI的操作接口 *******************/
    public tip(text: string = '') {
        if (text == '') {
            return
        }
        this.hide(UI.TipUI)
        this.show(UI.TipUI, text)
    }

    /**
     * 显示网络请求等待响应屏蔽触摸的界面
     * @param str       显示的文本
     * @param isDelay   是否延时显示可见的屏蔽层，延时中为透明的屏蔽层
     * @param cutNet    超时后是否重启游戏
     */
    public showLoading(str: string = '', isDelay: boolean = true, cutNet: boolean = false, timeOut: boolean = false) {
        this.show(UI.LoadingUI, {str, isDelay, cutNet, timeOut})
    }

    /**
     * 隐藏网络请求等待响应屏蔽触摸的界面
     */
    public hideLoading() {
        this.hide(UI.LoadingUI)
    }

    public message(text: string = '', sureFunc: Function, isHideCancel: boolean = false, sureLb: string = '') {
        if (text == '') {
            return
        }
        let args: IMessage = {
            sureFuc: sureFunc,
            tip: text,
            isHideCancel,
            sureLb,
        }
        this.show(UI.MessageUI, args)
    }

    public fadeShow(uiID: number, uiArgs: any = null, inOrOut = true) {
        this.show(UI.FadeInOutUI, {
            inOrOut,
            aniFinishFuc: () => {},
        })
        if (uiID > 0) this.show(uiID, uiArgs)
    }

    public showReward(rewardNty: IRewardNty, itemUICfgArr?: ItemUICfg[]) {
        if (!rewardNty) return
        let hasReward = false
        for (let key in rewardNty) {
            hasReward ||= Array.isArray(rewardNty[key]) && rewardNty[key].length > 0
        }
        if (hasReward) {
            let rewardArgs: IReward = {idNumArr: Mgr.goods.getGoodsListByRewardNty(rewardNty), itemUICfgArr}
            this.show(UI.RewardUI, rewardArgs)
        }
    }

    //传入needNum表示根据needGoods道具ID判断是否显示UI。不传值默认显示UI
    public showObtain(needGoods: number | IOperateNeed, needNum: number = 0): boolean {
        let operateNeed: IOperateNeed
        let showObtain = true
        if (typeof needGoods == 'number') {
            operateNeed = {
                canUp: false,
                isMax: false,
                need: [
                    {
                        id: needGoods,
                        num: Data.user.goods.get(needGoods) ? Data.user.goods.get(needGoods) : 0,
                        need: needNum,
                    },
                ],
            }
        } else {
            operateNeed = needGoods
        }
        if (needNum > 0) {
            let hasNum = Data.user.goods.get(operateNeed.need[0]?.id)
            showObtain = hasNum < needNum
        }
        if (showObtain) this.show(UI.ObtainChannelUI, operateNeed)
        return showObtain
    }

    //显示顶部UI
    public showTop(baseUI: BaseUI, goodsIDs: GOODS[]) {
        this.topNode.parent = baseUI.node
        this.topNode.zIndex = 2000
        this.topNode.getComponent(TopCell).init(goodsIDs, baseUI)
    }

    //显示底部UI
    public showFoot(baseUI: BaseUI) {
        this.footNode.parent = baseUI.node
        this.footNode.zIndex = 2000
        this.topNode.getComponent(FootCell).init(baseUI)
    }
}