import { _decorator, Component, Enum, Node, setPropertyEnumType, sp } from 'cc';

const { ccclass, property, type } = _decorator;

export enum SocketPath {}
Enum(SocketPath);

export enum SpineAnimation {}
Enum(SpineAnimation);

export enum SpineSkin {}
Enum(SpineSkin);

@ccclass('SpineAnimationHandler')
export default class SpineAnimationHandler extends Component {
    @property(sp.Skeleton)
    private skeleton: sp.Skeleton;
    @property({ visible: true })
    private _flipX: boolean = false;
    @property({ visible: true })
    private _flipY: boolean = false;

    public get flipX() {
        return this._flipX;
    }
    public set flipX(value: boolean) {
        if (value) {
            this.skeleton._skeleton.scaleX = -Math.abs(this.skeleton._skeleton.scaleX);
        } else {
            this.skeleton._skeleton.scaleX = Math.abs(this.skeleton._skeleton.scaleX);
        }

        this._flipX = value;
    }
    public get flipY() {
        return this._flipY;
    }
    public set flipY(value: boolean) {
        if (value) {
            this.skeleton._skeleton.scaleY = -Math.abs(this.skeleton._skeleton.scaleY);
        } else {
            this.skeleton._skeleton.scaleY = Math.abs(this.skeleton._skeleton.scaleY);
        }

        this._flipX = value;
    }

    private _enumSocketPath = Enum({});
    private _enumAnimation = Enum({});
    private _enumSkin = Enum({});

    onFocusInEditor(): void {
        this.setPropertySocketPath(this, '');
    }

    protected onLoad(): void {
        this.skeleton._skeleton.scaleX = this._flipX ? -this.skeleton._skeleton.scaleX : this.skeleton._skeleton.scaleX;
        this.skeleton._skeleton.scaleY = this._flipY ? -this.skeleton._skeleton.scaleY : this.skeleton._skeleton.scaleY;
    }

    public setPropertySocketPath(object: object, propertyName: string) {
        //update enum SocketPath
        let pathEnum = {};
        this.skeleton.querySockets().forEach((path, i) => {
            pathEnum[path] = i;
        });
        this._enumSocketPath = Enum({});
        Object.assign(this._enumSocketPath, pathEnum);
        Enum.update(this._enumSocketPath);
        setPropertyEnumType(object, propertyName, this._enumSocketPath);
    }

    public setPropertySpineAnimation(object: object, propertyName: string) {
        //update enum Animations
        let animEnum = this.skeleton.skeletonData.getAnimsEnum();
        this._enumAnimation = Enum({});
        Object.assign(this._enumAnimation, animEnum);
        Enum.update(this._enumAnimation);
        setPropertyEnumType(object, propertyName, this._enumAnimation);
    }

    public setPropertySpineSkin(object: object, propertyName: string) {
        //update enum Skin
        let skinEnum = this.skeleton.skeletonData.getSkinsEnum();
        this._enumSkin = Enum({});
        Object.assign(this._enumSkin, skinEnum);
        Enum.update(this._enumSkin);
        setPropertyEnumType(object, propertyName, this._enumSkin);
    }

    public setAnimation(
        animName: string,
        options?: {
            loop?: boolean;
            trackIndex?: number;
            ignoreAnimationRunning?: boolean;
            onComplete?: (entry: sp.spine.TrackEntry) => void;
        },
    ): sp.spine.TrackEntry {
        if (!this.skeleton) return null;
        const opts = {
            trackIndex: 0,
            loop: false,
            ...options,
        };

        if (opts.ignoreAnimationRunning) {
            const trackEntry = this.skeleton.getCurrent(opts.trackIndex);
            const animRunning = trackEntry?.animation?.name;
            if (animRunning && animRunning == animName) return trackEntry;
        }

        this.skeleton.setCompleteListener(null);
        const trackEntry = this.skeleton.setAnimation(opts?.trackIndex || 0, animName, opts?.loop);
        if (opts.onComplete) {
            this.skeleton.setCompleteListener(opts.onComplete);
        }

        return trackEntry;
    }

    public setListener(listener: (entry: sp.spine.TrackEntry, e: sp.spine.Event) => void) {
        this.skeleton.setEventListener(listener);
    }

    public setAnimationAsync(
        animName: string,
        options?: {
            loop?: boolean;
            trackIndex?: number;
            ignoreAnimationRunning?: boolean;
        },
    ): Promise<sp.spine.TrackEntry> {
        return new Promise((resolve) => {
            this.setAnimation(animName, {
                ...options,
                onComplete(entry) {
                    resolve(entry);
                },
            });
        });
    }

    public addAnimation(
        animName: string,
        options?: {
            loop?: boolean;
            trackIndex?: number;
            mixDuration?: number;
            delay?: number;
            onComplete?: (entry: sp.spine.TrackEntry) => void;
        },
    ): sp.spine.TrackEntry {
        if (!this.skeleton) return null;
        const opts = {
            trackIndex: 0,
            loop: false,
            ...options,
        };

        this.skeleton.setCompleteListener(null);
        const trackEntry = this.skeleton.addAnimation(opts?.trackIndex || 0, animName, opts?.loop, opts?.delay);

        if (opts?.mixDuration) {
            trackEntry.mixDuration = opts.mixDuration;
        }

        if (opts.onComplete) {
            this.skeleton.setCompleteListener(opts.onComplete);
        }

        return trackEntry;
    }

    public addAnimationAsync(
        animName: string,
        options?: {
            loop?: boolean;
            trackIndex?: number;
            mixDuration?: number;
            delay?: number;
        },
    ): Promise<sp.spine.TrackEntry> {
        return new Promise((resolve) => {
            this.addAnimation(animName, {
                ...options,
                onComplete(entry) {
                    resolve(entry);
                },
            });
        });
    }

    public addEmptyAnimation(options?: {
        trackIndex?: number;
        mixDuration?: number;
        delay?: number;
        onComplete?: (entry: sp.spine.TrackEntry) => void;
    }): sp.spine.TrackEntry {
        if (!this.skeleton) return;
        const opts = {
            trackIndex: 0,
            mixDuration: 0.2,
            delay: 0.2,
            ...options,
        };

        const trackEntry = this.skeleton.getState().addEmptyAnimation(opts.trackIndex, opts.mixDuration, opts.delay);

        if (opts.onComplete) {
            this.skeleton.setTrackCompleteListener(trackEntry, opts.onComplete);
        }
        return trackEntry;
    }

    public addEmptyAnimationAsync(options?: {
        trackIndex?: number;
        mixDuration?: number;
        delay?: number;
    }): Promise<sp.spine.TrackEntry> {
        return new Promise((resolve) => {
            this.addEmptyAnimation({
                ...options,
                onComplete(entry) {
                    resolve(entry);
                },
            });
        });
    }

    public clearTrack(trackIndex: number = 0): void {
        if (!this.skeleton) return;
        this.skeleton.clearTrack(trackIndex);
    }

    public findBone(boneName: string): sp.spine.Bone {
        return this.skeleton.findBone(boneName);
    }

    public socketPathToString(socketPath: SocketPath): string {
        return this.skeleton.querySockets()[socketPath];
    }

    public SpineAnimationToString(animationName: SpineAnimation): string {
        return this.skeleton._skeleton.data.animations[animationName].name;
    }

    public SpineAnimationToAnimation(animationName: SpineAnimation): sp.spine.Animation {
        return this.skeleton._skeleton.data.animations[animationName];
    }

    public addSocket(socketPath: SocketPath | string, target: Node): sp.SpineSocket {
        let socket: sp.SpineSocket;
        if (typeof socketPath === 'string') {
            socket = new sp.SpineSocket(socketPath, target);
        } else {
            socket = new sp.SpineSocket(this.socketPathToString(socketPath), target);
        }
        this.skeleton.sockets.push(socket);
        this.skeleton!.sockets = this.skeleton!.sockets;
        return socket;
    }

    public updateSocketPath(socket: sp.SpineSocket, socketPath: SocketPath | string): sp.SpineSocket {
        let newSocket: sp.SpineSocket;
        if (typeof socketPath === 'string') {
            newSocket = new sp.SpineSocket(socketPath, socket.target);
        } else {
            newSocket = new sp.SpineSocket(this.socketPathToString(socketPath), socket.target);
        }
        const index = this.skeleton.sockets.indexOf(socket);
        this.skeleton.sockets[index] = newSocket;
        this.skeleton!.sockets = this.skeleton!.sockets;
        return newSocket;
    }

    public removeSocket(socket: sp.SpineSocket): void {
        const index = this.skeleton.sockets.indexOf(socket);
        this.skeleton.sockets.splice(index, 1);
        this.skeleton!.sockets = this.skeleton!.sockets;
    }
}