/** @format */
import {LANGUAGE_TYPE} from '../enums/Enum'
import {ccUtils} from '../utils/ccUtils'

const {ccclass, property, executeInEditMode} = cc._decorator

@ccclass
@executeInEditMode
export default class Switch extends cc.Component {
    @property({displayName: '是否启用'})
    interact: boolean = false

    @property({type: cc.Boolean})
    get isChecked(): boolean {
        return this._isChecked
    }

    set isChecked(value: boolean) {
        if (this.interact) {
            this._isChecked = value
            this.updateTogglePosition(this.isClicked)
            if (this.isClicked) this.emitCheckEvents()
            this.isClicked = false
        }
    }

    @property({type: cc.Node, displayName: '开启滑块'})
    switchOnNode: cc.Node = null
    @property({type: cc.Node, displayName: '关闭滑块'})
    switchOffNode: cc.Node = null

    @property({type: cc.Node, displayName: '选择背景'})
    background: cc.Node = null

    @property({displayName: '选择背景开启颜色'})
    bgOnColor: cc.Color = cc.Color.WHITE.fromHEX('#FAC73E')

    @property({displayName: '选择背景关闭颜色'})
    bgOffColor: cc.Color = cc.Color.WHITE.fromHEX('#5B5B5B')

    @property({displayName: '滑动起点'})
    onPosition: cc.Vec2 = cc.v2(50, 0)

    @property({displayName: '滑动终点'})
    offPosition: cc.Vec2 = cc.v2(-50, 0)

    @property()
    private _isChecked: boolean = false

    isClicked: boolean = false
    // 定义一个事件
    @property({type: [cc.Component.EventHandler]})
    checkEvents: cc.Component.EventHandler[] = []

    onLoad() {
        this.updateTogglePosition(false)
        this.node.on(cc.Node.EventType.TOUCH_END, this.onToggle, this)
    }

    onDestroy() {
        this.node.off(cc.Node.EventType.TOUCH_END, this.onToggle, this)
    }

    onToggle() {
        this.isClicked = true
        this.isChecked = !this.isChecked
    }

    updateChecked(value: boolean) {
        this._isChecked = value
        this.updateTogglePosition(false)
    }

    updateTogglePosition(animated: boolean) {
        if (!this.switchOnNode || !this.switchOffNode) return
        this.switchOnNode.active = this.isChecked
        this.switchOffNode.active = !this.isChecked
        let switchNode = this.isChecked ? this.switchOnNode : this.switchOffNode
        let position = this.isChecked ? this.onPosition : this.offPosition
        let opacity = this.isChecked ? 255 : 0

        if (animated) {
            switchNode.setPosition(this.isChecked ? this.offPosition : this.onPosition)
            cc.tween(switchNode)
                .to(0.2, {position: cc.v3(position)})
                .start()
            if (this.background) cc.tween(this.background).to(0.2, {opacity: opacity}).start()
        } else {
            switchNode.setPosition(position)
        }
        if (this.background) this.background.color = this.isChecked ? this.bgOnColor : this.bgOffColor
    }

    emitCheckEvents() {
        cc.Component.EventHandler.emitEvents(this.checkEvents, this.isChecked)
    }
}