import { _decorator, Component, instantiate, Node, Prefab } from 'cc'
import PrefabLoader from '../utils/PrefabLoader'
import Progress from './Progress'
import { GameConfig } from '../../game/config/GameConfig'
import DialogBase from './DialogBase'

const { ccclass, property } = _decorator

@ccclass('LoadingScenePrefab')
export default class LoadingScenePrefab extends Component {
	public static instance: Node
	private static prefab: Prefab
	public static LoadingZorderIndex: number = 99
	@property({ type: Node })
	private progressNode: Node | null = null
	onLoad() {}

	start() {}

	public updateProgress(
		completedCount: number,
		totalCount: number,
		item: any = null
	) {
		this.progressNode
			.getComponent(Progress)
			.updateProgress(
				completedCount,
				totalCount,
				'消耗流量,预下载所有"鱼"类中,请耐心等待...'
			)
	}

	public static updateLoading(
		completedCount: number,
		totalCount: number,
		item: any = null
	) {
		if (LoadingScenePrefab.instance) {
			let nodeTs: LoadingScenePrefab =
				LoadingScenePrefab.instance.getComponent(LoadingScenePrefab)
			if (nodeTs) {
				nodeTs.updateProgress(completedCount, totalCount, item)
			}
		}
	}

	private static createPrefab(parentNode: Node = null) {
		let dialogNode: Node = instantiate(LoadingScenePrefab.prefab)
		LoadingScenePrefab.instance = dialogNode
		if (!parentNode) {
			parentNode = DialogBase.GetRootCanvas()
		}
		parentNode.insertChild(dialogNode, LoadingScenePrefab.LoadingZorderIndex)
		dialogNode.setPosition(0, 0)
	}

	public static preLoad(): Promise<void> {
		return new Promise((resolve, reject) => {
			PrefabLoader.loadPrefab(
				GameConfig.GameName + '/' + 'share/uicomponent/LoadingScenePrefab',
				(loadedResource: Prefab) => {
					LoadingScenePrefab.prefab = loadedResource
					resolve()
				}
			)
		})
	}

	public static close() {
		if (!LoadingScenePrefab.instance) {
			return
		}
		LoadingScenePrefab.instance.destroy()
		LoadingScenePrefab.instance = null
	}

	public static async show(parentNode: Node = null) {
		if (LoadingScenePrefab.instance) return
		if (!LoadingScenePrefab.prefab) {
			await LoadingScenePrefab.preLoad()
		}
		this.createPrefab(parentNode)
	}

	public static clear() {
		LoadingScenePrefab.instance = null
		LoadingScenePrefab.prefab = null
	}
}