import { TweenEasing } from "./TweenEasing";
const { ccclass, property, executeInEditMode, playOnFocus } = cc._decorator;
/**
 * 缓动数据
 * @author 薛鸿潇
 */
enum ActionType{
    Act_Absolute,
    Act_relative,
}

@ccclass("PropsData")
export class PropsData {
    @property({ displayName: "坐标" })
    public position: cc.Vec2 = cc.Vec2.ZERO;
    @property({ displayName: "旋转" })
    public angle: number = 0;
    @property({ displayName: "缩放" })
    public scale: number = 1;
    @property({displayName: "显示隐藏", tooltip: '打勾是显示'})
    public active: boolean = true;
}
/**
 * 缓动数据
 * @author 薛鸿潇
 */
@ccclass("TweenData")
export class TweenData {
    @property({ displayName: "属性数据", type: PropsData })
    public propsData: PropsData = new PropsData();
    @property({ displayName: "持续时间", tooltip: '单位：秒' })
    public duration: number = 0.3;
    @property({ displayName: "延迟时间", tooltip: '单位：秒' })
    public delay: number = 0;
    @property({ displayName: "是否为差值" })
    public isOffset: boolean = false;
    @property({ displayName: '完成回调', tooltip: "缓动完成时触发", type: cc.Component.EventHandler })
    public onComplete: cc.Component.EventHandler[] = [];
    @property({ displayName: '开始回调', tooltip: "缓动启动时触发", type: cc.Component.EventHandler })
    public onStart: cc.Component.EventHandler[] = [];
    @property({ displayName: '过程回调', tooltip: "缓动更新时触发", type: cc.Component.EventHandler })
    public onUpdate: cc.Component.EventHandler[] = [];
}
/**
 * 缓动组件，目前只支持节点的三个基础属性
 * @author 薛鸿潇
 */
@ccclass
@executeInEditMode()
@playOnFocus()
export class UITween extends cc.Component {
    @property({ displayName: "节点初始属性", type: PropsData })
    public fromData: PropsData = new PropsData();
    @property({ displayName: "节点目标属性", type: TweenData })
    public targetData: TweenData[] = [];
    @property({ displayName: '缓动节点', tooltip: "要播放缓动动画的目标，不填则是当前节点", type: cc.Node })
    public target: cc.Node = null;
    @property({ displayName: "缓动效果", type: cc.Enum(TweenEasing) })
    public tweenEasing: TweenEasing = TweenEasing.sineInOut;
    @property({ displayName: '执行次数', tooltip: "为0则一直重复执行" })
    public repeat: number = 1;
    @property({ displayName: "单次完成回调", tooltip: '单次缓动序列执行完毕时触发', type: cc.Component.EventHandler })
    public onOneRepeatComplete: cc.Component.EventHandler = new cc.Component.EventHandler();
    @property({ displayName: "自动播放" }) 
    public playOnLoad: boolean = true;

    @property({displayName: "绝对移动or相对移动", type: cc.Enum(ActionType)})
    public actType: ActionType = ActionType.Act_Absolute;
    @property({displayName:'是否设置起始位置为屏幕旁边按屏幕加节点尺寸的一半'})
    public isSetSuitStartPos: boolean = false;
    @property({displayName: '是否延时设置初始属性'})
    public isDelaySetOrigin = null;

    private _edit_play: boolean = false;
    @property({ displayName: "编辑器预览" })
    get edit_play(): boolean {
        if (this._edit_play && !this.edit_playing) {
            this.edit_playing = true;
            this.play();
        }
        return this._edit_play;
    }
    set edit_play(v: boolean) {
        this._edit_play = v;
        if (this.target && v) {
            cc.Tween.stopAllByTarget(this.target);
        }
        if (!v) this.edit_playing = false;
    }

    private resetProperty: boolean = false;
    @property({displayName: '重置基础属性'})
    get reset_property():boolean{

        if(this.resetProperty)
        {
            this.fromData.position = cc.v2(this.node.position.x, this.node.position.y);
            this.fromData.angle = this.node.angle;
            this.fromData.scale = this.node.scale;

            for(let i = 0; i != this.targetData.length; ++i)
            {
                let target = this.targetData[i];
                target.propsData.position = cc.v2(this.node.position.x, this.node.position.y);
                target.propsData.angle = this.node.angle;
                target.propsData.scale = this.node.scale;
            }

            this.resetProperty = false;
        }
        return this.resetProperty;
    }

    set reset_property(v){
        this.resetProperty = v;
    }

    /** 编辑器是否正在播放 */
    private edit_playing = false;

    public start() {
        !this.target && (this.target = this.node);
        this.target = this.target || this.node;
        this.currentRepeat = this.repeat;
        if (CC_EDITOR) {
            this._edit_play && this.play();
        } else {
            this.playOnLoad && this.play();
        }
    }
    private t: cc.Tween<any>;
    /** 剩余播放次数 */
    private currentRepeat: number;
    public play() {
        if (CC_EDITOR && !this.edit_playing) return;
        if (this.repeat == 0) {
            this.t = cc.tween(this.target);
            this.readyPlay();
            this.t = this.t.call(this.play.bind(this));
            this.t.start();
        }
        else if (this.currentRepeat) {
            this.t = cc.tween(this.target);
            this.readyPlay();
            this.t = this.t.call(this.play.bind(this));
            this.currentRepeat--;
            this.t.start();
        }
        else {
            this.t = null;
            this.currentRepeat = this.repeat;
            this.edit_play = false;
        }
    }
    public readyPlay() {
        let self = this;
        if (this.fromData) {
            if(this.isSetSuitStartPos)
            {
                if(this.fromData.position.x >0)
                {
                    this.fromData.position.x = cc.winSize.width / 2 + this.target.getContentSize().width/2;
                }else{
                    this.fromData.position.x = -cc.winSize.width / 2 - this.target.getContentSize().width/2;
                }
            }
            this.node.setPosition(this.fromData.position.clone());   
            this.node.scale = this.fromData.scale;
            this.node.angle = this.fromData.angle;
            this.node.active = this.fromData.active;
        }
        if (this.targetData.length) {
            for (let i = 0; i < this.targetData.length; i++) {
                const targetData = this.targetData[i];
                if (targetData.delay != 0) {
                    this.t = this.t.delay(targetData.delay);
                }
                if(targetData.propsData.active)
                {
                    this.t = this.t.call(()=>{
                        this.node.active = true;
                    });
                }else{
                    this.t = this.t.call(()=>{
                        this.node.active = false;
                    });
                }
                let toData = {
                    position: targetData.propsData.position,
                    scale: targetData.propsData.scale,
                    angle: targetData.propsData.angle,              
                }
                if (targetData.isOffset) {
                    toData.position = this.node.getPosition().add(targetData.propsData.position);
                    toData.scale = this.node.scale + targetData.propsData.scale;
                    toData.angle = this.node.angle + targetData.propsData.angle;
                }
                if(this.actType == ActionType.Act_Absolute)
                {
                    this.t = this.t.to(
                        targetData.duration,
                        toData, 
                        {
                            easing: TweenEasing[this.tweenEasing] as any,
                            onComplete: (target: cc.Node) => {
                                console.log("----------tweenComplete");
                                if(targetData.onComplete && targetData.onComplete.length > 0)
                                {
                                   for(let i = 0; i != targetData.onComplete.length; ++i)
                                   {
                                        targetData.onComplete[i].emit([target]);
                                   } 
                                }
                                //targetData.onComplete && targetData.onComplete.emit([target]);
                                // this.edit_playing = false;
                                // this._edit_play = false;
                            },
                            onStart: (target: cc.Node) => { 
                                console.log("----------tweenStart");
                                //targetData.onStart && targetData.onStart.emit([target]) 
                                if(targetData.onStart && targetData.onStart.length > 0)
                                {
                                   for(let i = 0; i != targetData.onStart.length; ++i)
                                   {
                                        targetData.onStart[i].emit([target]);
                                   } 
                                }
                            },
                            onUpdate: (target: cc.Node, ratio: number) => { 
                                //targetData.onUpdate && targetData.onUpdate.emit([target, ratio]) 
                                if(targetData.onUpdate && targetData.onUpdate.length > 0)
                                {
                                   for(let i = 0; i != targetData.onUpdate.length; ++i)
                                   {
                                        targetData.onUpdate[i].emit([target]);
                                   } 
                                }
                            }
                        }
                    );
                }else
                {
                    this.t = this.t.by(
                        targetData.duration,
                        toData, 
                        {
                            easing: TweenEasing[this.tweenEasing] as any,
                            onComplete: (target: cc.Node) => {
                                console.log("----------tweenComplete");
                                if(targetData.onComplete && targetData.onComplete.length > 0)
                                {
                                   for(let i = 0; i != targetData.onComplete.length; ++i)
                                   {
                                        targetData.onComplete[i].emit([target]);
                                   } 
                                }
                                //targetData.onComplete && targetData.onComplete.emit([target]);
                                // this.edit_playing = false;
                                // this._edit_play = false;
                            },
                            onStart: (target: cc.Node) => { 
                                console.log("----------tweenStart");
                                //targetData.onStart && targetData.onStart.emit([target]) 
                                if(targetData.onStart && targetData.onStart.length > 0)
                                {
                                   for(let i = 0; i != targetData.onStart.length; ++i)
                                   {
                                        targetData.onStart[i].emit([target]);
                                   } 
                                }
                            },
                            onUpdate: (target: cc.Node, ratio: number) => { 
                                //targetData.onUpdate && targetData.onUpdate.emit([target, ratio]) 
                                if(targetData.onUpdate && targetData.onUpdate.length > 0)
                                {
                                   for(let i = 0; i != targetData.onUpdate.length; ++i)
                                   {
                                        targetData.onUpdate[i].emit([target]);
                                   } 
                                }
                            }
                        }
                    );
                }        
            }
        }
        if (this.onOneRepeatComplete) {
            this.t = this.t.call(() => {
                self.onOneRepeatComplete.emit([this, this.t])
            });
        }
    }
}