using Core;
using Core.Lifecycle;
using Minigames.FortFight.Core;
using Minigames.FortFight.Data;
using UnityEngine;

namespace Minigames.FortFight.UI
{
    /// <summary>
    /// Manages ammunition UI panel for a specific player.
    /// Shows/hides based on turn state and initializes buttons with player context.
    /// </summary>
    public class AmmunitionPanel : ManagedBehaviour
    {
        #region Inspector References
        
        [Header("Player Configuration")]
        [Tooltip("Which player this panel belongs to (0 = Player 1, 1 = Player 2)")]
        [SerializeField] private int playerIndex = 0;
        
        [Header("References")]
        [Tooltip("This player's slingshot controller")]
        [SerializeField] private SlingshotController slingshotController;
        
        // Note: AmmunitionManager and TurnManager accessed via singletons
        
        [Header("UI")]
        [Tooltip("Array of ammo buttons in this panel")]
        [SerializeField] private AmmoButton[] ammoButtons;
        
        [Tooltip("Root GameObject to show/hide entire panel")]
        [SerializeField] private GameObject panelRoot;
        
        #endregion
        
        #region Initialization
        
        internal override void OnManagedAwake()
        {
            base.OnManagedAwake();
            
            // Validate references
            if (slingshotController == null)
            {
                Logging.Error($"[AmmunitionPanel] Player {playerIndex}: Slingshot controller not assigned!");
            }
            
            if (ammoButtons == null || ammoButtons.Length == 0)
            {
                Logging.Warning($"[AmmunitionPanel] Player {playerIndex}: No ammo buttons assigned!");
            }
            
            // Use assigned panelRoot or fall back to this GameObject
            if (panelRoot == null)
            {
                panelRoot = gameObject;
            }
        }
        
        internal override void OnManagedStart()
        {
            base.OnManagedStart();
            
            // Initialize ammo buttons with player context
            InitializeButtons();
            
            // Subscribe to turn events via singleton
            if (TurnManager.Instance != null)
            {
                TurnManager.Instance.OnTurnStarted += HandleTurnStarted;
            }
            
            // Start hidden
            SetPanelVisibility(false);
        }
        
        internal override void OnManagedDestroy()
        {
            base.OnManagedDestroy();
            
            // Unsubscribe from events
            if (TurnManager.Instance != null)
            {
                TurnManager.Instance.OnTurnStarted -= HandleTurnStarted;
            }
        }
        
        /// <summary>
        /// Initialize all ammo buttons with player-specific configuration
        /// </summary>
        private void InitializeButtons()
        {
            if (AmmunitionManager.Instance == null || slingshotController == null || ammoButtons == null)
            {
                return;
            }
            
            // Get available projectile types from settings
            var availableTypes = AmmunitionManager.Instance.GetAvailableProjectileTypes();
            var settings = GameManager.GetSettingsObject<AppleHills.Core.Settings.IFortFightSettings>();
            
            if (settings == null)
            {
                Logging.Error($"[AmmunitionPanel] Player {playerIndex}: Could not get FortFightSettings!");
                return;
            }
            
            for (int i = 0; i < ammoButtons.Length && i < availableTypes.Count; i++)
            {
                if (ammoButtons[i] != null)
                {
                    var config = settings.GetProjectileConfig(availableTypes[i]);
                    if (config != null)
                    {
                        ammoButtons[i].Initialize(config, AmmunitionManager.Instance, slingshotController, playerIndex);
                        Logging.Debug($"[AmmunitionPanel] Player {playerIndex}: Initialized button for {config.displayName}");
                    }
                }
            }
        }
        
        #endregion
        
        #region Turn Events
        
        /// <summary>
        /// Called when any player's turn starts - show/hide panel accordingly
        /// </summary>
        private void HandleTurnStarted(PlayerData player, TurnState turnState)
        {
            // Only show panel when it's this player's turn (not during transitions)
            bool shouldShow = player.PlayerIndex == playerIndex && 
                             (turnState == TurnState.PlayerOneTurn || turnState == TurnState.PlayerTwoTurn);
            
            SetPanelVisibility(shouldShow);
            
            if (shouldShow)
            {
                Logging.Debug($"[AmmunitionPanel] Showing panel for Player {playerIndex}");
            }
        }
        
        /// <summary>
        /// Show or hide the entire panel
        /// </summary>
        private void SetPanelVisibility(bool visible)
        {
            if (panelRoot != null)
            {
                panelRoot.SetActive(visible);
            }
        }
        
        #endregion
    }
}