using System;
using System.Collections.Generic;
using Unity.BossRoom.Gameplay.GameplayObjects.Character;
using Unity.BossRoom.Gameplay.GameState;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace Unity.BossRoom.Gameplay.UI
{
    public class UICharSelectPlayerSeat : MonoBehaviour
    {
        [SerializeField]
        private GameObject m_InactiveStateVisuals;
        [SerializeField]
        private GameObject m_ActiveStateVisuals;
        [SerializeField]
        private Transform m_PlayerNumberHolderParent; // Parent for player images
        [SerializeField]
        private Transform m_PlayerNameHolderParent;   // Parent for player names
        [SerializeField]
        private GameObject m_PlayerNumberTemplate;    // Prefab template for player images
        [SerializeField]
        private GameObject m_PlayerNameTemplate;      // Prefab template for player names
        [SerializeField]
        private Image m_Glow;
        [SerializeField]
        private Image m_Checkbox;
        [SerializeField]
        private Button m_Button;
        [SerializeField]
        private Animator m_Animator;
        [SerializeField]
        private string m_AnimatorTriggerWhenLockedIn = "LockedIn";
        [SerializeField]
        private string m_AnimatorTriggerWhenUnlocked = "Unlocked";

        [SerializeField]
        private CharacterTypeEnum m_CharacterClass;

        private int m_SeatIndex;
        private List<int> m_PlayerNumbers = new List<int>();
        private List<string> m_PlayerNames = new List<string>();
        private NetworkCharSelection.SeatState m_State;
        private bool m_IsDisabled;

        public static event Action<int, int> OnPlayerSwitchedProfile; // Event for player switching

        public void Initialize(int seatIndex)
        {
            m_SeatIndex = seatIndex;
            m_State = NetworkCharSelection.SeatState.Inactive;
            m_PlayerNumbers.Clear();
            m_PlayerNames.Clear();
            ConfigureStateGraphics();
        }
        public bool IsLocked()
        {
            return m_State == NetworkCharSelection.SeatState.LockedIn && m_PlayerNumbers.Count > 0;
        }
        /// <summary>
        /// Sets the state of the seat and updates the UI for the selected players.
        /// </summary>
        public void SetState(NetworkCharSelection.SeatState state, int playerNumber, string playerName)
        {
            if (state == NetworkCharSelection.SeatState.Inactive)
            {
                RemovePlayer(playerNumber);
            }
            else
            {
                OnPlayerSwitchedProfile?.Invoke(playerNumber, m_SeatIndex); // Notify other seats
                AddPlayer(playerNumber, playerName);
            }

            m_State = state;
            ConfigureStateGraphics();
        }

        /// <summary>
        /// Adds a player's number and name to the seat.
        /// </summary>
        public void AddPlayer(int playerNumber, string playerName)
        {
            if (!m_PlayerNumbers.Contains(playerNumber))
            {
                m_PlayerNumbers.Add(playerNumber);
                m_PlayerNames.Add(playerName);
            }
            ConfigureStateGraphics();
        }

        /// <summary>
        /// Removes a player's number and name from the seat.
        /// </summary>
        public void RemovePlayer(int playerNumber)
        {
            int index = m_PlayerNumbers.IndexOf(playerNumber);
            if (index >= 0)
            {
                m_PlayerNumbers.RemoveAt(index);
                m_PlayerNames.RemoveAt(index);
            }
            ConfigureStateGraphics();
        }

        private void ConfigureStateGraphics()
        {
            // Clear existing player images and names.
            foreach (Transform child in m_PlayerNumberHolderParent)
            {
                Destroy(child.gameObject);
            }

            foreach (Transform child in m_PlayerNameHolderParent)
            {
                Destroy(child.gameObject);
            }

            if (m_State == NetworkCharSelection.SeatState.Inactive || m_PlayerNumbers.Count == 0)
            {
                m_InactiveStateVisuals.SetActive(true);
                m_ActiveStateVisuals.SetActive(false);
                m_Glow.gameObject.SetActive(false);
                m_Checkbox.gameObject.SetActive(false);
                return;
            }

            m_InactiveStateVisuals.SetActive(false);
            m_ActiveStateVisuals.SetActive(true);

            float playerNumberYPosition = 0f; // Starting Y-position for player images.
            float playerNameYPosition = 0f; // Starting Y-position for player names.

            for (int i = 0; i < m_PlayerNumbers.Count; i++)
            {
                // Instantiate and position player number (image).
                var playerImageObj = Instantiate(m_PlayerNumberTemplate, m_PlayerNumberHolderParent);
                var playerImage = playerImageObj.GetComponent<Image>();
                playerImage.sprite = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumbers[i]].Indicator;

                // Set position of player image with Y-offset of +60 units.
                RectTransform imageRect = playerImageObj.GetComponent<RectTransform>();
                imageRect.anchoredPosition = new Vector2(imageRect.anchoredPosition.x, playerNumberYPosition);
                playerNumberYPosition += 60f; // Move upward by 60 units for the next image.

                // Instantiate and position player name (text).
                var playerNameObj = Instantiate(m_PlayerNameTemplate, m_PlayerNameHolderParent);
                var playerNameText = playerNameObj.GetComponent<TextMeshProUGUI>();
                playerNameText.text = m_PlayerNames[i];
                playerNameText.color = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumbers[i]].Color;

                // Set position of player name with Y-offset of -20 units.
                RectTransform nameRect = playerNameObj.GetComponent<RectTransform>();
                nameRect.anchoredPosition = new Vector2(nameRect.anchoredPosition.x, playerNameYPosition);
                playerNameYPosition -= 20f; // Move downward by 20 units for the next name.
            }

            if (m_State == NetworkCharSelection.SeatState.LockedIn)
            {
                m_Glow.color = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumbers[0]].Color;
                m_Glow.gameObject.SetActive(true);
                m_Checkbox.gameObject.SetActive(true);
                PlayLockAnim();
            }
            else
            {
                m_Glow.gameObject.SetActive(false);
                m_Checkbox.gameObject.SetActive(false);
                PlayUnlockAnim();
            }
        }

        private void PlayLockAnim()
        {
            if (m_Animator)
            {
                m_Animator.ResetTrigger(m_AnimatorTriggerWhenUnlocked);
                m_Animator.SetTrigger(m_AnimatorTriggerWhenLockedIn);
            }
        }

        private void PlayUnlockAnim()
        {
            if (m_Animator)
            {
                m_Animator.ResetTrigger(m_AnimatorTriggerWhenLockedIn);
                m_Animator.SetTrigger(m_AnimatorTriggerWhenUnlocked);
            }
        }

        public void SetDisableInteraction(bool disable)
        {
            m_IsDisabled = disable;
        }

        public void OnClicked()
        {
            ClientCharSelectState.Instance.OnPlayerClickedSeat(m_SeatIndex);
        }

        private void OnEnable()
        {
            OnPlayerSwitchedProfile += HandlePlayerSwitched;
        }

        private void OnDisable()
        {
            OnPlayerSwitchedProfile -= HandlePlayerSwitched;
        }

        /// <summary>
        /// Removes the player from this seat if they select another.
        /// </summary>
        private void HandlePlayerSwitched(int playerNumber, int newSeatIndex)
        {
            if (newSeatIndex != m_SeatIndex)
            {
                RemovePlayer(playerNumber);
            }
        }
    }
}



//using System;
//using Unity.BossRoom.Gameplay.GameplayObjects.Character;
//using Unity.BossRoom.Gameplay.GameState;
//using TMPro;
//using UnityEngine;
//using UnityEngine.UI;

//namespace Unity.BossRoom.Gameplay.UI
//{
//    /// <summary>
//    /// Controls one of the eight "seats" on the character-select screen (the boxes along the bottom).
//    /// </summary>
//    public class UICharSelectPlayerSeat : MonoBehaviour
//    {
//        [SerializeField]
//        private GameObject m_InactiveStateVisuals;
//        [SerializeField]
//        private GameObject m_ActiveStateVisuals;
//        [SerializeField]
//        private Image m_PlayerNumberHolder;
//        [SerializeField]
//        private TextMeshProUGUI m_PlayerNameHolder;
//        [SerializeField]
//        private Image m_Glow;
//        [SerializeField]
//        private Image m_Checkbox;
//        [SerializeField]
//        private Button m_Button;
//        [SerializeField]
//        private Animator m_Animator;
//        [SerializeField]
//        private string m_AnimatorTriggerWhenLockedIn = "LockedIn";
//        [SerializeField]
//        private string m_AnimatorTriggerWhenUnlocked = "Unlocked";

//        [SerializeField]
//        private CharacterTypeEnum m_CharacterClass;

//        // just a way to designate which seat we are -- the leftmost seat on the lobby UI is index 0, the next one is index 1, etc.
//        private int m_SeatIndex;

//        // playerNumber of who is sitting in this seat right now. 0-based; e.g. this is 0 for Player 1, 1 for Player 2, etc. Meaningless when m_State is Inactive (and in that case it is set to -1 for clarity)
//        private int m_PlayerNumber;

//        // the last SeatState we were assigned
//        private NetworkCharSelection.SeatState m_State;

//        // once this is true, we're never clickable again!
//        private bool m_IsDisabled;

//        public void Initialize(int seatIndex)
//        {
//            m_SeatIndex = seatIndex;
//            m_State = NetworkCharSelection.SeatState.Inactive;
//            m_PlayerNumber = -1;
//            ConfigureStateGraphics();
//        }

//        public void SetState(NetworkCharSelection.SeatState state, int playerIndex, string playerName)
//        {
//            if (state == m_State && playerIndex == m_PlayerNumber)
//                return; // no actual changes

//            m_State = state;
//            m_PlayerNumber = playerIndex;
//            m_PlayerNameHolder.text = playerName;
//            if (m_State == NetworkCharSelection.SeatState.Inactive)
//                m_PlayerNumber = -1;
//            ConfigureStateGraphics();
//        }

//        public bool IsLocked()
//        {
//            return m_State == NetworkCharSelection.SeatState.LockedIn;
//        }

//        public void SetDisableInteraction(bool disable)
//        {
//            Debug.Log("Ali Interactable False");
//            //m_Button.interactable = !disable;
//            m_IsDisabled = disable;

//            if (!disable)
//            {
//                // if we were locked move to unlocked state
//                PlayUnlockAnim();
//            }
//        }

//        private void PlayLockAnim()
//        {
//            if (m_Animator)
//            {
//                m_Animator.ResetTrigger(m_AnimatorTriggerWhenUnlocked);
//                m_Animator.SetTrigger(m_AnimatorTriggerWhenLockedIn);
//            }
//        }

//        private void PlayUnlockAnim()
//        {
//            if (m_Animator)
//            {
//                m_Animator.ResetTrigger(m_AnimatorTriggerWhenLockedIn);
//                m_Animator.SetTrigger(m_AnimatorTriggerWhenUnlocked);
//            }
//        }

//        private void ConfigureStateGraphics()
//        {
//            if (m_State == NetworkCharSelection.SeatState.Inactive)
//            {
//                m_InactiveStateVisuals.SetActive(true);
//                m_ActiveStateVisuals.SetActive(false);
//                m_Glow.gameObject.SetActive(false);
//                m_Checkbox.gameObject.SetActive(false);
//                m_PlayerNameHolder.gameObject.SetActive(false);

//                Debug.Log("Ali Interactable False 2");
//                //m_Button.interactable = !m_IsDisabled;
//                PlayUnlockAnim();
//            }
//            else // either active or locked-in... these states are visually very similar
//            {
//                m_InactiveStateVisuals.SetActive(false);

//                m_PlayerNumberHolder.sprite = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumber].Indicator;
//                m_ActiveStateVisuals.SetActive(true);

//                m_PlayerNameHolder.gameObject.SetActive(true);
//                m_PlayerNameHolder.color = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumber].Color;
//                //m_Button.interactable = !m_IsDisabled;
//                    Debug.Log("Ali Interactable False 3");

//                if (m_State == NetworkCharSelection.SeatState.LockedIn)
//                {
//                    m_Glow.color = ClientCharSelectState.Instance.m_IdentifiersForEachPlayerNumber[m_PlayerNumber].Color;
//                    m_Glow.gameObject.SetActive(true);
//                    m_Checkbox.gameObject.SetActive(true);
//                    Debug.Log("Ali Interactable False 4");

//                    //m_Button.interactable = false;
//                    PlayLockAnim();
//                }
//                else
//                {
//                    m_Glow.gameObject.SetActive(false);
//                    m_Checkbox.gameObject.SetActive(false);
//                    PlayUnlockAnim();
//                }
//            }
//        }

//        // Called directly by Button in UI
//        public void OnClicked()
//        {
//            ClientCharSelectState.Instance.OnPlayerClickedSeat(m_SeatIndex);
//        }

//    }
//}