using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class SurveyManager : MonoBehaviour
{
    [Header("UI 元件")]
    public StarRating question1Stars;
    public StarRating question2Stars;
    public StarRating question3Stars;

    public InputField commentInputField;
    public TMP_InputField commentInputFieldTMP;

    public Button submitButton;
    public GameObject warningText;

    [Header("計時器")]
    public Text timerText;
    public TMP_Text timerTextTMP;
    public float countdownTime = 30f;
    private float currentTime;
    private bool isGameRunning = false;
    
    public System.Action<int, int, int, string> OnSurveyConfirmed;

    void Start()
    {
        if (warningText != null)
        {
            warningText.SetActive(false);
        }

        if (submitButton != null)
        {
            submitButton.onClick.AddListener(OnSubmitButtonClicked);
        }

        currentTime = countdownTime;
        StartGame();
    }

    void Update()
    {
        if (isGameRunning)
        {
            if (currentTime > 0)
            {
                currentTime -= Time.deltaTime;
                int seconds = Mathf.CeilToInt(currentTime);
                string timeText = "時間倒數 " + seconds + " 秒";

                if (timerText != null)
                {
                    timerText.text = timeText;
                    timerText.color = Color.red;
                }
                if (timerTextTMP != null)
                {
                    timerTextTMP.text = timeText;
                    timerTextTMP.color = Color.red;
                }
            }
            else
            {
                currentTime = 0;
                string timeUpText = "時間到！";

                if (timerText != null)
                {
                    timerText.text = timeUpText;
                    timerText.color = Color.red;
                }
                if (timerTextTMP != null)
                {
                    timerTextTMP.text = timeUpText;
                    timerTextTMP.color = Color.red;
                }

                isGameRunning = false;
                
                //強制送出
                OnSurveySubmit(true);
            }
        }
    }

    public void StartGame()
    {
        Debug.Log("遊戲開始！");

        isGameRunning = true;
        currentTime = countdownTime;

        string startText = "時間倒數 " + Mathf.CeilToInt(currentTime) + " 秒";

        if (timerText != null)
        {
            timerText.color = Color.red;
            timerText.text = startText;
        }
        if (timerTextTMP != null)
        {
            timerTextTMP.color = Color.red;
            timerTextTMP.text = startText;
        }

        if (question1Stars != null) question1Stars.ResetRating();
        if (question2Stars != null) question2Stars.ResetRating();
        if (question3Stars != null) question3Stars.ResetRating();

        if (commentInputField != null)
        {
            commentInputField.text = "";
        }
        if (commentInputFieldTMP != null)
        {
            commentInputFieldTMP.text = "";
        }
    }

    void OnSubmitButtonClicked()
    {
        Debug.Log(">>> 點擊送出按鈕");
        OnSurveySubmit();
    }
    
    private void OnSurveySubmit(bool isForce = false)
    {
        // 取得三題的評分
        int rating1 = 0;
        int rating2 = 0;
        int rating3 = 0;

        if (question1Stars != null) rating1 = question1Stars.GetRating();
        if (question2Stars != null) rating2 = question2Stars.GetRating();
        if (question3Stars != null) rating3 = question3Stars.GetRating();

        // 檢查是否至少填寫了一個星星評分
        if (rating1 == 0 && rating2 == 0 && rating3 == 0 && isForce == false)
        {
            ShowWarning();
            return;
        }

        // 取得自行填寫的文字
        string userComment = "";
        if (commentInputField != null && !string.IsNullOrEmpty(commentInputField.text))
        {
            userComment = commentInputField.text;
        }
        else if (commentInputFieldTMP != null && !string.IsNullOrEmpty(commentInputFieldTMP.text))
        {
            userComment = commentInputFieldTMP.text;
        }

        // 送出資料
        SubmitSurvey(rating1, rating2, rating3, userComment);
        OnSurveyConfirmed?.Invoke(rating1, rating2, rating3, userComment);
    }

    void ShowWarning()
    {
        if (warningText != null)
        {
            warningText.SetActive(true);
            Invoke("HideWarning", 2f);
        }

        Debug.Log("⚠️ 警告：請至少填寫一個問題的評分！");
    }

    void HideWarning()
    {
        if (warningText != null)
        {
            warningText.SetActive(false);
        }
    }

    void SubmitSurvey(int rating1, int rating2, int rating3, string comment)
    {
        isGameRunning = false;

        // ====== 清楚的資料統整顯示 ======
        Debug.Log("╔══════════════════════════════════════╗");
        Debug.Log("║          問卷結果統整                ║");
        Debug.Log("╚══════════════════════════════════════╝");
        Debug.Log("");

        // 問題 1
        Debug.Log("【問題 1】覺得這個廟宇的神明有成功幫到你嗎？");
        if (rating1 > 0)
        {
            Debug.Log("  ⭐ 評分：" + rating1 + " 顆星");
            Debug.Log("  " + GetStarDisplay(rating1));
        }
        else
        {
            Debug.Log("  ⚪ 未填寫");
        }
        Debug.Log("");

        // 問題 2
        Debug.Log("【問題 2】下次還會回訪嗎？");
        if (rating2 > 0)
        {
            Debug.Log("  ⭐ 評分：" + rating2 + " 顆星");
            Debug.Log("  " + GetStarDisplay(rating2));
        }
        else
        {
            Debug.Log("  ⚪ 未填寫");
        }
        Debug.Log("");

        // 問題 3
        Debug.Log("【問題 3】有成功成為他的信眾嗎？");
        if (rating3 > 0)
        {
            Debug.Log("  ⭐ 評分：" + rating3 + " 顆星");
            Debug.Log("  " + GetStarDisplay(rating3));
        }
        else
        {
            Debug.Log("  ⚪ 未填寫");
        }
        Debug.Log("");

        // 自行填寫
        Debug.Log("【自行填寫】");
        if (!string.IsNullOrEmpty(comment))
        {
            Debug.Log("  💬 內容：「" + comment + "」");
        }
        else
        {
            Debug.Log("  ⚪ 未填寫");
        }
        Debug.Log("");

        // 統計資料
        Debug.Log("─────────────────────────────────────");
        Debug.Log("【統計資料】");

        // 計算填寫問題數量
        int answeredQuestions = 0;
        if (rating1 > 0) answeredQuestions++;
        if (rating2 > 0) answeredQuestions++;
        if (rating3 > 0) answeredQuestions++;

        Debug.Log("  📊 填寫問題數：" + answeredQuestions + " / 3");

        // 計算總星數和平均
        int totalStars = rating1 + rating2 + rating3;
        Debug.Log("  ⭐ 總星數：" + totalStars + " 顆星");

        if (answeredQuestions > 0)
        {
            float averageRating = (float)totalStars / answeredQuestions;
            Debug.Log("  📈 平均評分：" + averageRating.ToString("F2") + " 顆星");

            // 滿意度評價
            string satisfaction = GetSatisfactionLevel(averageRating);
            Debug.Log("  😊 滿意度：" + satisfaction);
        }

        // 剩餘時間
        int remainingTime = Mathf.CeilToInt(currentTime);
        Debug.Log("  ⏱️ 剩餘時間：" + remainingTime + " 秒");

        // 完成時間
        int usedTime = Mathf.CeilToInt(countdownTime - currentTime);
        Debug.Log("  ⏰ 完成時間：" + usedTime + " 秒");

        Debug.Log("─────────────────────────────────────");
        Debug.Log("✅ 問卷送出成功！");
        Debug.Log("══════════════════════════════════════");
        Debug.Log("");

        // 更新計時器顯示
        string successText = "問卷送出成功！";
        if (timerText != null)
        {
            timerText.text = successText;
            timerText.color = Color.green;
        }
        if (timerTextTMP != null)
        {
            timerTextTMP.text = successText;
            timerTextTMP.color = Color.green;
        }
    }

    // 顯示星星圖示
    string GetStarDisplay(int rating)
    {
        string stars = "";
        for (int i = 0; i < 5; i++)
        {
            if (i < rating)
            {
                stars += "★";
            }
            else
            {
                stars += "☆";
            }
        }
        return stars;
    }

    // 取得滿意度評價
    string GetSatisfactionLevel(float averageRating)
    {
        if (averageRating >= 4.5f)
        {
            return "非常滿意 🌟🌟🌟";
        }
        else if (averageRating >= 3.5f)
        {
            return "滿意 😊";
        }
        else if (averageRating >= 2.5f)
        {
            return "普通 😐";
        }
        else if (averageRating >= 1.5f)
        {
            return "不太滿意 😕";
        }
        else
        {
            return "非常不滿意 😞";
        }
    }
}