import {
    _decorator,
    Component,
    HingeJoint2D,
    input,
    CCFloat,
    Input,
    EventKeyboard,
    KeyCode,
    Enum,
    EventTouch,
    screen,
} from 'cc';
const { ccclass, property } = _decorator;

enum ControllerSide {
    Left,
    Right,
}

Enum(ControllerSide);

@ccclass('Flipper')
export class Flipper extends Component {
    @property({ visible: true, type: HingeJoint2D })
    private _hingeJoint: HingeJoint2D;
    @property({ visible: true, type: CCFloat })
    private _motorSpeedActive: number;
    @property({ visible: true, type: CCFloat })
    private _motorSpeedDeActive: number;
    @property({ visible: true, type: ControllerSide })
    private side = ControllerSide.Left;

    protected onLoad(): void {
        input.on(Input.EventType.KEY_DOWN, this.onKeyInputDown, this);
        input.on(Input.EventType.KEY_UP, this.onKeyInputUp, this);
        input.on(Input.EventType.TOUCH_START, this.onTouchStart, this);
        input.on(Input.EventType.TOUCH_END, this.onTouchEnd, this);
    }

    //#region Input Handler

    private onKeyInputDown(event: EventKeyboard) {
        switch (event.keyCode) {
            case KeyCode.KEY_A:
            case KeyCode.ARROW_LEFT:
                if (this.side == ControllerSide.Left) this.activeFlipper();
                break;
            case KeyCode.KEY_D:
            case KeyCode.ARROW_RIGHT:
                if (this.side == ControllerSide.Right) this.activeFlipper();
                break;
            default:
                break;
        }
    }

    private onKeyInputUp(event: EventKeyboard) {
        switch (event.keyCode) {
            case KeyCode.KEY_A:
            case KeyCode.ARROW_LEFT:
                if (this.side == ControllerSide.Left) this.deActiveFlipper();
                break;
            case KeyCode.KEY_D:
            case KeyCode.ARROW_RIGHT:
                if (this.side == ControllerSide.Right) this.deActiveFlipper();
                break;
            default:
                break;
        }
    }

    private onTouchStart(event: EventTouch) {
        if (event.getLocationX() > screen.windowSize.x / 2) {
            if (this.side == ControllerSide.Right) {
                this.activeFlipper();
            }
        } else {
            if (this.side == ControllerSide.Left) {
                this.activeFlipper();
            }
        }
    }

    private onTouchEnd(event: EventTouch) {
        if (event.getLocationX() > screen.windowSize.x / 2) {
            if (this.side == ControllerSide.Right) {
                this.deActiveFlipper();
            }
        } else {
            if (this.side == ControllerSide.Left) {
                this.deActiveFlipper();
            }
        }
    }

    //#endregion

    private activeFlipper(): void {
        this._hingeJoint.motorSpeed = this._motorSpeedActive;
    }
    private deActiveFlipper(): void {
        this._hingeJoint.motorSpeed = this._motorSpeedDeActive;
    }
}