using UnityEngine;

public class GameMgr : MonoBehaviour
{
    public static int gameType = 0;
    public GameMode gameMode;
    public bool gameOver = false;
    
    public static GameMgr ins;

    void Start() 
    {
        ins = this;
        AudioMgr.init();
        this.InitGameMode();
    }

    void FixedUpdate()
    {
        gameMode.Update();
    }

    void InitGameMode() {
        if (gameType == 0) gameMode = new GameModeTest(this);
        if (gameType == 1) gameMode = new GameMode1(this);
    }

    public void StopGame() {
        Destroy(GameObject.FindObjectOfType<BowCamera>());
        Arrow[] arrows = GameObject.FindObjectsOfType<Arrow>();
        foreach(var arrow in arrows)
        {
            Destroy(arrow);
        }
    }

    public void OpenBluetoothDebug() {
        BluetoothHolder.ins.openDebug();
    }
}

public abstract class GameMode 
{
    public GameMgr gameMgr;
    public GameMode(GameMgr gameMgr) {
        this.gameMgr = gameMgr;
    }
    public abstract void HitTarget(int score);
    public abstract object[] Settle();
    public virtual void Update() {}
}

public class GameModeTest : GameMode {
    public GameModeTest(GameMgr gameMgr) : base(gameMgr) {}
    public override void HitTarget(int score) {}
    public override object[] Settle() { return null; }
}

/**单人限时模式 */
public class GameMode1 : GameMode {
    public int score = 0;
    int oneStarScore = 10;
    float time = 60;

    public GameMode1(GameMgr gameMgr) : base(gameMgr)
    {
        //添加游戏界面
        GameObject view = Resources.Load<GameObject>("Prefabs/Views/TimeLimitGameView");
        GameObject.Instantiate(view);
        //记录可射击的靶子
        TargetBody targetBody = GameObject.Find("GameArea/010/TargetBody").GetComponent<TargetBody>();
        GameObject.Find("Main Camera/ArmBow").GetComponent<ArmBow>().validTargets.Add(targetBody);
    }

    public override void HitTarget(int score) {
        this.score += score;
    }

    public override object[] Settle() {
        int starCount = this.score / this.oneStarScore;
        string highestScoreKey = "TimeLimitGameHighestScore";
        int highestScore = PlayerPrefs.GetInt(highestScoreKey, 0);
        if (this.score > highestScore) {
            PlayerPrefs.SetInt(highestScoreKey, this.score);
        }
        return new object[]{starCount, this.score};
    }

    public override void Update() {
        if (gameMgr.gameOver) return;
        if (this.time > 0) {
            this.time -= Time.deltaTime;
        } else {
            this.time = 0;
            gameMgr.gameOver = true;
            gameMgr.StopGame();
            //添加结算界面
            GameObject view = Resources.Load<GameObject>("Prefabs/Views/GameSettleView1");
            GameObject.Instantiate(view);
        }
    }

    public int GetHighestScore() 
    {
        string highestScoreKey = "TimeLimitGameHighestScore";
        return PlayerPrefs.GetInt(highestScoreKey, 0);
    }

    public string GetTimeStr()
    {
        int seconds = Mathf.FloorToInt(this.time);
        string str = "";
        int m = seconds / 60; 
        if (m < 10) {
            str += 0;
        }
        str += m;
        str += " : ";
        int s = seconds % 60;
        if (s < 10)
        {
            str += 0;
        }
        str += s;
        return str;
    }
}