/** @format */

import {ECSSystem} from '../lib/ECSSystem'
import {GenFilterKey} from '../lib/ECSComponent'
import {FightWorld} from '../worlds/FightWorld'
import {ComDie} from '../components/ComDie'
import {ComNodeConfig} from '../components/ComNodeConfig'
import {ComCocosNode} from '../components/ComCocosNode'
import {ComTransform} from '../components/ComTransform'
import {ComRole} from '../components/ComRole'
import {ComRoleSpine} from '../components/ComRoleSpine'
import {ComEnter} from '../components/ComEnter'
import {ComBehaviorTree} from '../components/ComBehaviorTree'
import {BT} from '../../behaviorTree/BehaviorTree'
import {EventEnter} from '../core/NodeEvent'

const FILTER_ENTER = GenFilterKey([ComCocosNode, ComEnter, ComRole])

export class SysEnter extends ECSSystem {
    /** 连接 */
    public onAdd(world: FightWorld): void {}

    /** 断开连接 */
    public onRemove(world: FightWorld): void {}

    /** 添加实体 */
    public onEntityEnter(world: FightWorld, entity: number): void {}

    /**  */
    public onEntityLeave(world: FightWorld, entity: number): void {}

    /** 更新 */
    public onUpdate(world: FightWorld, dt: number): void {
        let filter = world.getFilter(FILTER_ENTER)
        filter.walk((entity: number) => {
            let comEnter = world.getComponent(entity, ComEnter)
            let comCocosNode = world.getComponent(entity, ComCocosNode)
            if (!comCocosNode.loaded) return
            let comRole = world.getComponent(entity, ComRole)
            comEnter.countDown -= dt
            if (comEnter.countDown <= 0) {
                world.removeComponent(entity, ComEnter)
                // 添加behavior tree
                let comBehavior = world.addComponent(entity, ComBehaviorTree)
                comBehavior.bb = new BT.BlackBoard()
                world.initRoleBehavior(comBehavior, comRole.roleCfg)
                comCocosNode.events.push(new EventEnter())
            }
            return false
        })
    }
}