import { _decorator, Component, Node, Prefab, instantiate, v3, tween, Widget } from 'cc';
import { DataSystem } from '../core/data/DataSystem';
import { GM } from '../launch/GM';
import { BattleData } from './BattleData';
import { LeaderSkillNode } from './LeaderSkillNode';
import { LeaderSkillShow } from './LeaderSkillShow';
import { Monster } from './Monster';
import { TakeAWalk, WalkDirection } from './TakeAWalk';
const { ccclass, property } = _decorator;

@ccclass('LeaderSkill')
export class LeaderSkill extends Component {
    @property({ type: Node, tooltip: "特效层级" }) layer: Node;
    @property({ type: Node, tooltip: "阻挡墙层级" }) wallLayer: Node;
    @property({ type: Node, tooltip: "战斗层" }) battleNode: Node;
    @property({ type: Node, tooltip: "背景层" }) bgNode: Node;
    @property({ type: Node, tooltip: "2倍背景层" }) d_bgNode: Node;
    @property({ type: [Prefab], tooltip: "技能预制体" }) prefabs: Array<Prefab> = [];
    @property({ type: Prefab, tooltip: "展示预制体" }) showPrefab: Prefab;
    @property({ type: Node, tooltip: "统帅特写层" }) leaderShow: Node;

    update() {
        DataSystem.watch(BattleData, "useLeaderSkill") && this.show();
    }

    public show(): void {
        tween(this.battleNode).to(0.2, { scale: v3(2, 2, 1) }).call(() => {
            this.bgNode.active = !(this.d_bgNode.active = true);
        }).start();
        let node = instantiate(this.showPrefab);
        node.setParent(this.leaderShow);
        node.getComponent(LeaderSkillShow).setData(DataSystem.getData(BattleData).useLeaderSkill.id, DataSystem.getData(BattleData).heros.get(5).id, this.useLeaderSkill.bind(this));
    }

    public async useLeaderSkill() {
        this.battleNode.setScale(v3(1, 1, 1));
        this.bgNode.active = !(this.d_bgNode.active = false);
        // GM.addBattleLog(`使用统帅技能：` + JSON.stringify(DataSystem.getData(BattleData).useLeaderSkill));
        switch (DataSystem.getData(BattleData).useLeaderSkill.id) {
            case 1: case 2:
                let tempMonsterArray = DataSystem.getData(BattleData)._monsters.concat();
                for (let i = 0; i < tempMonsterArray.length; i++) {
                    await this.createPrefabs(DataSystem.getData(BattleData).useLeaderSkill.id, DataSystem.getData(BattleData).useLeaderSkill.lv, tempMonsterArray[i]);
                }
                break;
            case 3:
                let monster = DataSystem.getData(BattleData)._monsters.sort((a, b) => {
                    if (a.getComponent(TakeAWalk).totleWalkFarme > b.getComponent(TakeAWalk).totleWalkFarme) {
                        return -1;
                    }
                    return 1;
                })
                this.createPrefabs(DataSystem.getData(BattleData).useLeaderSkill.id, DataSystem.getData(BattleData).useLeaderSkill.lv, monster[0]);
                break;
        }
    }

    private createPrefabs(id: number, lv: number, monster: Monster) {
        return new Promise<any>(async (resolve: (data: any) => void) => {
            if (monster) {
                let node = instantiate(this.prefabs[id - 1]);
                if (id < 3) {
                    node.setRotationFromEuler(v3(0, 0, 45));
                    node.setPosition(v3(monster.node.position.x + Math.cos(45) * 300, monster.node.position.y + Math.sin(45) + 300, 0));
                }
                node.setParent(id == 3 && monster.getComponent(TakeAWalk).direction == WalkDirection.up ? this.wallLayer : this.layer);
                node.getComponent(LeaderSkillNode).setData(id, lv, monster);
            }
            this.scheduleOnce(() => {
                resolve(null);
            }, 0.1);
        });
    }
}