using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;

public class LayerOrderController : MonoBehaviour
{
    public static LayerOrderController Instance;
    public TextMeshProUGUI taskDescriptionText;

    [Header("Картки")]
    public DraggableCard[] dragCards;

    [Header("Слоти")]
    public DropZone[] dropZones;

    [Header("Кнопка перевірки")]
    public UnityEngine.UI.Button checkButton;

    private string[] correctOrder = new string[]
    {
        "Тропосфера",
        "Стратосфера",
        "Мезосфера",
        "Термосфера",
        "Екзосфера"
    };

    void Awake()
    {
        Instance = this;
    }

    public void SetupForPlanet(PlanetDatabase.PlanetInfo planetInfo)
    {
        if (taskDescriptionText != null)
            taskDescriptionText.text = "Розташуй шари атмосфери у правильному порядку від поверхні планети до космосу. Шар 1 є найближчим до поверхні.";

        if (planetInfo.layers == null) return;

        string[] names = new string[planetInfo.layers.Length];
        for (int i = 0; i < planetInfo.layers.Length; i++)
            names[i] = planetInfo.layers[i].name;

        ShuffleArray(names);

        for (int i = 0; i < dragCards.Length && i < names.Length; i++)
        {
            dragCards[i].layerName = names[i];
            var text = dragCards[i].GetComponentInChildren<TextMeshProUGUI>();
            if (text != null) text.text = names[i];
            dragCards[i].gameObject.SetActive(true);
        }

        foreach (var zone in dropZones)
        {
            zone.currentCard = null;
            zone.ResetColor();
        }

        correctOrder = new string[planetInfo.layers.Length];
        for (int i = 0; i < planetInfo.layers.Length; i++)
            correctOrder[i] = planetInfo.layers[i].name;
    }

    void ShuffleArray(string[] arr)
    {
        for (int i = arr.Length - 1; i > 0; i--)
        {
            int j = Random.Range(0, i + 1);
            string tmp = arr[i];
            arr[i] = arr[j];
            arr[j] = tmp;
        }
    }

    public void CheckOrder()
    {
        bool allCorrect = true;

        for (int i = 0; i < dropZones.Length; i++)
        {
            if (dropZones[i].currentCard == null)
            {
                allCorrect = false;
                dropZones[i].SetWrong();
                continue;
            }

            string expected = correctOrder[i];
            string actual = dropZones[i].currentCard.layerName;

            if (actual == expected)
                dropZones[i].SetCorrect();
            else
            {
                dropZones[i].SetWrong();
                allCorrect = false;
            }
        }

        if (allCorrect)
            GameManager.Instance.OnLayerOrderComplete();
    }

}