import { CoroutineV2 } from "../../CatanEngine/CoroutineV2/CoroutineV2";

const { ccclass, property, requireComponent, menu, executeInEditMode } = cc._decorator;

// /** Clipname */
// export enum Clipname {
//     None,
// }

@ccclass("SPState")
export class SPState {
	@property()
	public name: string = "";
	public clip: cc.AnimationClip = null;
	@property({ displayName: "Spine動畫名稱", tooltip: "Spine動畫名稱" })
	public clipname: string = "";
	// @property({ displayName: "clipname1", type: cc.Enum(Clipname) })
	// public clipname1: Clipname = Clipname.None;
	@property()
	public isloop: boolean = false;
	@property()
	public transitionTo: string = "";
}
@ccclass
// @executeInEditMode
@menu("Plug-in/Animation/SPAnimator")
@requireComponent(sp.Skeleton)
export class SPAnimator extends cc.Component {

	@property({ displayName: "Default State" })
	public defaultState: string = "";

	@property({ type: SPState })
	public states: SPState[] = [];
	public nowPlayName: string = "";
	private _isInit: boolean = false;
	_animation: sp.Skeleton = null;

	/** 動畫速度 */
	private _speed: number = 1;
	get animation(): sp.Skeleton {
		if (this._animation == null) {
			this._animation = this.node.getComponent(sp.Skeleton);
		}
		return this._animation;
	}

	protected onLoad(): void {
		if (this._isInit) {
			return;
		}
		if (!this.node.activeInHierarchy) {
			cc.error(`node: ${this.node.name}, activeInHierarchy: ${this.node.activeInHierarchy}, 動畫沒有打開無法初始化`);
			return;
		}
		let animationClip: cc.AnimationClip[] = this.animation["skeletonData"]["_skeletonCache"].animations;
		// if (CC_EDITOR) {
		//     for (let i: number = 0; i < animationClip.length; i++) {
		//         const clip: cc.AnimationClip = animationClip[i];
		//         Clipname[clip.name] = i;
		//         Clipname[i.toString()] = clip.name;
		//         cc.log(`[${i}] ${clip.name}`);
		//     }
		//     return;
		// }
		for (let s of this.states) {
			let state: SPState = null;
			for (let i: number = 0; i < animationClip.length; i++) {
				const clip: cc.AnimationClip = animationClip[i];
				if (s.clipname === clip.name && s.clipname != null) {
					s.clip = clip;
					state = s;
					break;
				}
			}
			if (CC_DEV) {
				if (state === null) {
					console.error(`node: ${this.node.name}, anim: ${s.clipname}, 動畫沒有掛在Animation上面`);
				}
			}
		}
		this._isInit = true;
	}

	protected onEnable(): void {
		this.stopState();
		if (this.defaultState !== "") {
			this.playState(this.defaultState);
		}
	}
	protected onDisable(): void {
		this.stopState();
	}

	/**
	 * runStateAndWait(動作機只會接一次動畫)
	 * @param name 動畫State的名稱
	 * @param callback callback 沒有transitionTo才會觸發
	 */
	public *runStateAndWait(name: string, callback: Function = null): any {
		if (!this._isInit) {
			this.onLoad();
		}
		if (name === "") {
			return;
		}
		this.animation.setToSetupPose();
		let lastPlayName: string = "";
		for (let s of this.states) {
			if (s.name === this.nowPlayName && s.clipname != null) {
				lastPlayName = s.clipname;
				break;
			}
		}
		this.nowPlayName = name;
		let state: SPState = null;
		for (let s of this.states) {
			if (s.name === name && s.clipname != null) {
				state = s;
				break;
			}
		}
		if (state == null) {
			return;
		}
		// let animationState: cc.AnimationState = this.animation.play(state.clipname);
		if (lastPlayName) {
			this.animation.setMix(lastPlayName, state.clipname, 0.5);
		}
		this.animation.setAnimation(0, state.clipname, state.isloop);
		// let animationState: sp.spine.TrackEntry = this.animation.setAnimation(0, state.clipname, state.isloop);
		// animationState.speed = this.animation.currentClip.speed * this._speed;
		// this.animation.sample(animationState.name);
		if (state.clip.duration) {
			yield CoroutineV2.WaitTime(state.clip.duration);
		}
		if (callback && !state.transitionTo) {
			callback();
		}
		yield* this.runStateAndWait(state.transitionTo, callback);
	}

	/** playState(動作機只會接一次動畫) */
	public playState(name: string, callback: Function = null): void {
		if (!this.node.activeInHierarchy) {
			cc.warn(`SPAnimator error name: ${this.node.name}, activeInHierarchy: ${this.node.activeInHierarchy}`);
		}
		CoroutineV2.Single(this.runStateAndWait(name, callback)).Start(this);
	}

	// /** playState(隨機) */
	// public playRandomState(callback: Function = null): void {
	//     let random: number = RandomEx.GetInt(0, this.states.length);
	//     let state: SPState = this.states[random];
	//     this.playState(state.name, callback);
	// }

	public stopState(): void {
		CoroutineV2.StopCoroutinesBy(this);
		this.nowPlayName = "";
		this.animation.clearTracks();
	}

	// /**
	//  * 設定動畫速率(原有動畫的Speed在乘上倍率)
	//  * @param speed 速率
	//  */
	// public SetSpeed(speed: number): void {
	//     this._speed = speed;
	// }

	public getAnimTime(name: string, isGetNext: boolean = false): number {
		for (let s of this.states) {
			if (s.name === name && s.clipname != null) {
				let time: number = s.clip.duration / this._speed;
				if (isGetNext && s.transitionTo !== "") {
					time += this.getAnimTime(s.transitionTo, true);
				}
				return time;
			}
		}
		return null;
	}
}