const { ccclass, property } = cc._decorator;

export interface SpawnGateConfig {
    id?: string;
    x: number;
    y: number;
    width: number;
    height: number;
    spawnQueue: Array<{ members: any[] }>;
}

export interface SpawnGateBatchResult {
    nodes: cc.Node[];
    opacities: number[];
}

enum SpawnGateState {
    Waiting,
    Opening,
    Revealing,
    Closing,
}

@ccclass
export default class SpawnGate extends cc.Component {
    @property(cc.SpriteFrame)
    left2Frame: cc.SpriteFrame = null;

    @property(cc.SpriteFrame)
    right2Frame: cc.SpriteFrame = null;

    @property(cc.SpriteFrame)
    left3Frame: cc.SpriteFrame = null;

    @property(cc.SpriteFrame)
    right3Frame: cc.SpriteFrame = null;

    @property(sp.SkeletonData)
    revealSmokeData: sp.SkeletonData = null;

    private map: any = null;
    private config: SpawnGateConfig = null;
    private queueIndex = 0;
    private state = SpawnGateState.Waiting;
    private elapsed = 0;
    private finished = false;
    private batch: SpawnGateBatchResult = null;
    private leftSprite: cc.Sprite = null;
    private rightSprite: cc.Sprite = null;
    private countLabel: cc.Label = null;

    init(map: any, config: SpawnGateConfig) {
        this.map = map;
        this.config = config;
        this.queueIndex = 0;
        this.state = SpawnGateState.Waiting;
        this.elapsed = 0;
        this.finished = false;
        this.batch = null;

        const left = this.node.getChildByName("left");
        const right = this.node.getChildByName("right");
        this.leftSprite = left && left.getComponent(cc.Sprite);
        this.rightSprite = right && right.getComponent(cc.Sprite);
        const count = this.node.getChildByName("count");
        this.countLabel = count && count.getComponent(cc.Label);
        this.configureArtwork(left, right);
        this.updateRemainingCount();
        if (this.countLabel) this.countLabel.node.active = true;

        const bottomLeft = map.mapBlocksWall[config.x][config.y];
        this.node.setPosition(
            bottomLeft.x + (config.width - 1) * 60,
            bottomLeft.y + (config.height - 1) * 60,
        );
        const gateWidth = config.width * 120;
        const gateHeight = config.height * 120;
        this.node.setContentSize(gateWidth, gateHeight);
        const bg = this.node.getChildByName("bg");
        const kuang = this.node.getChildByName("kuang");
        if (bg) bg.setContentSize(gateWidth, gateHeight);
        if (kuang) kuang.setContentSize(gateWidth, gateHeight);
        this.node.zIndex = -10;
        const line = this.node.getChildByName("line");
        if (line) line.active = false;
        this.setClosedAmount(1);
    }

    hasOutstandingWork(): boolean {
        return !this.finished;
    }

    private configureArtwork(left: cc.Node, right: cc.Node) {
        const isTwo = this.config.width === 2;
        const leftFrame = isTwo ? this.left2Frame : this.left3Frame;
        const rightFrame = isTwo ? this.right2Frame : this.right3Frame;
        this.configureDoorPart(left, this.leftSprite, leftFrame);
        this.configureDoorPart(right, this.rightSprite, rightFrame);

        left.x = -this.config.width * 60 + left.width / 2;
        right.x = this.config.width * 60 - right.width / 2;
        left.y = 0;
        right.y = 0;
    }

    private configureDoorPart(node: cc.Node, sprite: cc.Sprite, frame: cc.SpriteFrame) {
        sprite.spriteFrame = frame;
        sprite.type = cc.Sprite.Type.FILLED;
        sprite.fillType = cc.Sprite.FillType.HORIZONTAL;
        sprite.sizeMode = cc.Sprite.SizeMode.RAW;
        if (frame) node.setContentSize(frame.getOriginalSize());
    }

    update(dt: number) {
        if (this.finished || !this.map || !cc.isValid(this.map, true)) return;
        if (this.map.gameOver || this.map.gameWin) return;

        if (this.state === SpawnGateState.Waiting) {
            if (this.queueIndex >= this.config.spawnQueue.length) {
                this.finishGate();
                return;
            }
            if (this.map.pause || !this.map.isSpawnGateAreaEmpty(this.config)) return;
            this.beginBatch();
            return;
        }

        this.elapsed += dt;
        if (this.state === SpawnGateState.Opening) {
            const progress = Math.min(1, this.elapsed / 0.3);
            this.setClosedAmount(1 - progress);
            if (progress >= 1) this.enterState(SpawnGateState.Revealing);
        }
        else if (this.state === SpawnGateState.Revealing) {
            const progress = Math.min(1, this.elapsed / 0.15);
            this.setBatchOpacity(progress);
            if (progress >= 1) this.enterState(SpawnGateState.Closing);
        }
        else if (this.state === SpawnGateState.Closing) {
            const progress = Math.min(1, this.elapsed / 0.2);
            this.setClosedAmount(progress);
            if (progress >= 1) this.completeBatch();
        }
    }

    private beginBatch() {
        const queueItem = this.config.spawnQueue[this.queueIndex];
        if (this.countLabel) this.countLabel.node.active = false;
        this.batch = this.map.createSpawnGateBatch(
            queueItem.members,
            this.config,
            this.queueIndex,
        );
        this.queueIndex++;
        this.setBatchOpacity(0);
        this.enterState(SpawnGateState.Opening);
    }

    private completeBatch() {
        this.setClosedAmount(1);
        this.setBatchOpacity(1);
        this.map.unlockSpawnGateBatch(this.batch.nodes);
        this.batch = null;
        if (this.queueIndex >= this.config.spawnQueue.length) {
            this.finishGate();
        }
        else {
            if (this.countLabel) this.countLabel.node.active = true;
            this.enterState(SpawnGateState.Waiting);
        }
    }

    private finishGate() {
        this.finished = true;
        const map = this.map;
        this.map = null;
        this.node.destroy();
        if (map && cc.isValid(map, true)) map.onSpawnGateFinished();
    }

    private enterState(state: SpawnGateState) {
        this.state = state;
        this.elapsed = 0;
        if (state === SpawnGateState.Revealing) {
            this.updateRemainingCount();
            this.playRevealSmoke();
        }
    }

    private updateRemainingCount() {
        if (!this.countLabel) return;
        const remaining = Math.max(0, this.config.spawnQueue.length - this.queueIndex);
        this.countLabel.string = remaining.toString();
    }

    private playRevealSmoke() {
        if (!this.batch || !this.revealSmokeData) return;
        const smoke = new cc.Node("spawnGateSmoke");
        smoke.parent = this.node.parent;
        smoke.zIndex = 1100;

        const gateWidth = this.config.width * 120;
        const gateHeight = this.config.height * 120;
        const scale = Math.max(gateWidth / 430.62, gateHeight / 373.6) * 0.8;
        smoke.scale = scale;
        smoke.setPosition(
            this.node.x - 8.78 * scale,
            this.node.y + 9.49 * scale,
        );

        const skeleton = smoke.addComponent(sp.Skeleton);
        skeleton.skeletonData = this.revealSmokeData;
        skeleton.premultipliedAlpha = true;
        skeleton.loop = false;
        skeleton.timeScale = 1.5625;
        const track = skeleton.setAnimation(0, "animation", false);
        skeleton.setAttachment("锤子", null);
        if (track) track.trackTime = 0.78;
        skeleton.setCompleteListener(() => smoke.destroy());
    }

    private setClosedAmount(value: number) {
        if (!this.leftSprite || !this.rightSprite) return;
        this.leftSprite.fillStart = 0;
        this.leftSprite.fillRange = value;
        this.rightSprite.fillStart = 1;
        this.rightSprite.fillRange = -value;
    }

    private setBatchOpacity(progress: number) {
        if (!this.batch) return;
        for (let i = 0; i < this.batch.nodes.length; i++) {
            const node = this.batch.nodes[i];
            if (node && cc.isValid(node)) {
                node.opacity = Math.round(this.batch.opacities[i] * progress);
            }
        }
    }

    onDestroy() {
        this.map = null;
        this.batch = null;
        this.countLabel = null;
    }
}