class LostTreasureAdventure {
    constructor() {
        this.gridSize = 5;
        this.heroPosition = { x: 2, y: 2 };
        this.treasurePosition = this.getRandomPosition();
        this.obstaclePosition = this.getRandomPosition();

        while (this.positionsAreSame(this.treasurePosition, this.heroPosition) ||
               this.positionsAreSame(this.obstaclePosition, this.heroPosition) ||
               this.positionsAreSame(this.treasurePosition, this.obstaclePosition)) {
            this.treasurePosition = this.getRandomPosition();
            this.obstaclePosition = this.getRandomPosition();
        }
    }

    positionsAreSame(pos1, pos2) {
        return pos1.x === pos2.x && pos1.y === pos2.y;
    }

    getRandomPosition() {
        return { x: Math.floor(Math.random() * this.gridSize), y: Math.floor(Math.random() * this.gridSize) };
    }

    moveHero(direction) {
        switch (direction) {
            case "north":
                this.heroPosition.y = Math.max(0, this.heroPosition.y - 1);
                break;
            case "south":
                this.heroPosition.y = Math.min(this.gridSize - 1, this.heroPosition.y + 1);
                break;
            case "east":
                this.heroPosition.x = Math.min(this.gridSize - 1, this.heroPosition.x + 1);
                break;
            case "west":
                this.heroPosition.x = Math.max(0, this.heroPosition.x - 1);
                break;
            default:
                alert("Ye have chosen a path unknown! Choose: north, south, east, or west.");
                return;
        }

        if (this.positionsAreSame(this.heroPosition, this.treasurePosition)) {
            alert("By the gods! You have found the hidden treasure at (" + this.heroPosition.x + "," + this.heroPosition.y + ")!");
            if (confirm("Wilt thou embark on another quest?")) {
                this.resetAdventure();
            }
        } else if (this.positionsAreSame(this.heroPosition, this.obstaclePosition)) {
            alert("Alas! Ye have encountered a perilous beast at (" + this.heroPosition.x + "," + this.heroPosition.y + ") and met thy doom. Valiant was thy effort.");
            if (confirm("Dare ye tempt fate once more?")) {
                this.resetAdventure();
            }
        } else {
            alert("Thou art now in the land of (" + this.heroPosition.x + "," + this.heroPosition.y + "). Press onward in your quest!");
            this.promptMove();
        }
    }

    resetAdventure() {
        this.heroPosition = { x: 2, y: 2 };
        this.treasurePosition = this.getRandomPosition();
        this.obstaclePosition = this.getRandomPosition();

        while (this.positionsAreSame(this.treasurePosition, this.heroPosition) ||
               this.positionsAreSame(this.obstaclePosition, this.heroPosition) ||
               this.positionsAreSame(this.treasurePosition, this.obstaclePosition)) {
            this.treasurePosition = this.getRandomPosition();
            this.obstaclePosition = this.getRandomPosition();
        }

        this.promptMove();
    }

    promptMove() {
        const direction = prompt("Choose thy path, brave adventurer! (north, south, east, west)");
        this.moveHero(direction);
    }

    start() {
        alert("Hearken! Beware the great obstacle, for many have lost their souls in this pursuit of hidden treasure. Embark on this quest to find the treasure hidden deep within the realm!");
        this.promptMove();
    }
}

const adventure = new LostTreasureAdventure();
adventure.start();