// Filename: CDlgSkillTooltip.cs
// Creator: BrewMonster
// Date: 2024
// Purpose: Tooltip dialog for displaying skill information when clicking skill icons

using BrewMonster.Scripts.UI;
using BrewMonster.UI;
using UnityEngine;
using UnityEngine.UI;

namespace BrewMonster
{
    /// <summary>
    /// Tooltip dialog that displays skill information (description, requirements, etc.)
    /// when clicking on skill icons. Uses EC_UIUtility for smart positioning.
    /// </summary>
    public class CDlgSkillTooltip : AUIDialog
    {
        [Header("Tooltip Components")]
        [SerializeField] private GameObject panelRoot;
        [SerializeField] private EC_UIUtility.TextOutlet descriptionText;
        [SerializeField] private Button closeButton;
        
        [Header("Positioning Settings")]
        [SerializeField] private Vector2 panelOffset = new Vector2(20f, 0f);
        [SerializeField] private bool autoHideOnClick = true;
        [SerializeField] private float autoHideDelay = 0f; // 0 = no auto-hide
        
        private RectTransform sourceButton;
        private float showTime;

        public override void Awake()
        {
            base.Awake();
            
            if (closeButton != null)
            {
                closeButton.onClick.RemoveAllListeners();
                closeButton.onClick.AddListener(HideTooltip);
            }
            
            // Hide by default
            if (panelRoot != null)
            {
                panelRoot.SetActive(false);
            }
        }

        private void Update()
        {
            // Auto-hide after delay if enabled
            if (autoHideDelay > 0f && panelRoot != null && panelRoot.activeSelf)
            {
                if (Time.time - showTime >= autoHideDelay)
                {
                    HideTooltip();
                }
            }
            
            // Click anywhere to hide if enabled
            if (autoHideOnClick && panelRoot != null && panelRoot.activeSelf)
            {
                if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1))
                {
                    // Check if click is outside the tooltip
                    if (!RectTransformUtility.RectangleContainsScreenPoint(
                        panelRoot.transform as RectTransform, 
                        Input.mousePosition, 
                        null))
                    {
                        HideTooltip();
                    }
                }
            }
        }

        /// <summary>
        /// Show the tooltip with skill information near the clicked button.
        /// </summary>
        /// <param name="hintText">The skill description and information to display</param>
        /// <param name="buttonRect">The button RectTransform to position near</param>
        public void ShowTooltip(string hintText, RectTransform buttonRect)
        {
            if (string.IsNullOrEmpty(hintText))
            {
                Debug.LogWarning("[CDlgSkillTooltip] ShowTooltip called with empty hint text");
                return;
            }

            // Set description text
            if (descriptionText != null)
            {
                // Text is already formatted by the caller
                descriptionText.Set(hintText);
            }
            else
            {
                Debug.LogWarning("[CDlgSkillTooltip] descriptionText is not assigned");
            }

            sourceButton = buttonRect;
            showTime = Time.time;

            // Position near button using utility
            if (panelRoot != null && buttonRect != null)
            {
                var panelRect = panelRoot.transform as RectTransform;
                if (panelRect != null)
                {
                    // Show first so we can get accurate size for positioning
                    EC_UIUtility.ShowPanel(panelRoot, true);
                    
                    // Position using the utility function
                    EC_UIUtility.PositionPanelNearButton(panelRect, buttonRect, panelOffset);
                }
                else
                {
                    Debug.LogWarning("[CDlgSkillTooltip] panelRoot does not have a RectTransform component");
                    EC_UIUtility.ShowPanel(panelRoot, true);
                }
            }
            else
            {
                if (panelRoot == null)
                {
                    Debug.LogError("[CDlgSkillTooltip] panelRoot is not assigned");
                }
                if (buttonRect == null)
                {
                    Debug.LogWarning("[CDlgSkillTooltip] buttonRect is null, showing tooltip at default position");
                    if (panelRoot != null)
                    {
                        EC_UIUtility.ShowPanel(panelRoot, true);
                    }
                }
            }
        }

        /// <summary>
        /// Hide the tooltip.
        /// </summary>
        public void HideTooltip()
        {
            EC_UIUtility.ShowPanel(panelRoot, false);
            sourceButton = null;
        }

        /// <summary>
        /// Check if the tooltip is currently visible.
        /// </summary>
        /// <returns>True if tooltip is visible</returns>
        public bool IsVisible()
        {
            return panelRoot != null && panelRoot.activeSelf;
        }

        private void OnDisable()
        {
            HideTooltip();
        }
    }
}