class UIManager {
    constructor(eventBus, overlay, startButton, uiLvl, uiLines, uiScore) {
        this.eventBus = eventBus;
        this.overlay = overlay;
        this.startButton = startButton;
        this.modalButton = this.overlay.querySelector("#modal-button");
        this.modalText = this.overlay.querySelector("#modal-text");
        this.uiLvl = uiLvl; //HTML элемент.
        this.uiLines = uiLines; //HTML элемент.
        this.uiScore = uiScore; //HTML элемент
        this.startHandler = this.startHandler.bind(this);
        this.update = this.update.bind(this);
        this.showGameOver = this.showGameOver.bind(this);
        this.startButton.addEventListener("click", this.startHandler);
        this.modalButton.addEventListener("click", this.startHandler);
        this.eventBus.on("update", this.update);
        this.eventBus.on("showGameOver",this.showGameOver)
    }
    showGameOver({lines, score, level}) {
        this.overlay.classList.remove("hidden");
        this.modalText.textContent = `Уровень:${level}, Линии: ${lines}, Очки:${score}.`;
    }
    update({level, lines, score}){
        this.uiLvl.textContent = level;
        this.uiLines.textContent = lines;
        this.uiScore.textContent = score;
    }
    startHandler(){
        this.overlay.classList.add("hidden");
        this.eventBus.emit("gameStart", {})
    }
}