using UnityEngine;
using UnityEngine.UIElements;

/// <summary>
/// Simple test script to help debug and fix map location positioning issues.
/// Add this to a GameObject in MapScene2 to test the location naming system.
/// </summary>
public class MapLocationTestHelper : MonoBehaviour
{
    [Header("Test Settings")]
    public bool runTestOnStart = false;
    public KeyCode testKey = KeyCode.T;

    [Header("Debug")]
    public bool verboseLogging = false;

    private void Start()
    {
        if (runTestOnStart)
        {
            RunDiagnostics();
        }
    }

    private void Update()
    {
        if (Input.GetKeyDown(testKey))
        {
            RunDiagnostics();
        }
    }

    [ContextMenu("Run Full Diagnostics")]
    public void RunDiagnostics()
    {
        Debug.Log("=== MAP LOCATION SYSTEM DIAGNOSTICS ===");

        TestMapMaker();
        TestGeographicFeatures();
        TestNameDisplay();
        TestLegend();
        TestUISetup();

        Debug.Log("=== DIAGNOSTICS COMPLETE ===");
    }

    private void TestMapMaker()
    {
        Debug.Log("--- Testing MapMaker2 ---");
        var mapMaker = FindFirstObjectByType<MapMaker2>();
        if (mapMaker != null)
        {
            var mapData = mapMaker.GetMapData();
            if (mapData != null)
            {
                Debug.Log($"✅ MapMaker2 found with MapData: {mapData.Width}x{mapData.Height}");
                var settlements = mapData.GetAllSettlements();
                Debug.Log($"✅ Settlements found: {settlements.Count}");

                if (verboseLogging && settlements.Count > 0)
                {
                    foreach (var settlement in settlements)
                    {
                        Debug.Log($"  - {settlement.name} ({settlement.Type}) at {settlement.position}");
                    }
                }
            }
            else
            {
                Debug.LogError("❌ MapMaker2 found but MapData is null");
            }
        }
        else
        {
            Debug.LogError("❌ MapMaker2 not found in scene");
        }
    }

    private void TestGeographicFeatures()
    {
        Debug.Log("--- Testing Geographic Features ---");
        var featureManager = FindFirstObjectByType<GeographicFeatureManager>();
        if (featureManager != null)
        {
            var features = featureManager.GeographicFeatures;
            Debug.Log($"✅ GeographicFeatureManager found with {features.Count} features");

            if (verboseLogging && features.Count > 0)
            {
                foreach (var feature in features)
                {
                    Debug.Log($"  - {feature.name} ({feature.type}) at {feature.centerPosition} with {feature.tiles.Count} tiles");
                }
            }
        }
        else
        {
            Debug.LogError("❌ GeographicFeatureManager not found in scene");
        }
    }

    private void TestNameDisplay()
    {
        Debug.Log("--- Testing Name Display ---");
        var nameDisplay = FindFirstObjectByType<MapLocationNameDisplay>();
        if (nameDisplay != null)
        {
            Debug.Log($"✅ MapLocationNameDisplay found");
            Debug.Log($"  - Show Settlements: {nameDisplay.showSettlementNames}");
            Debug.Log($"  - Show Forests: {nameDisplay.showForestNames}");
            Debug.Log($"  - Show Lakes: {nameDisplay.showLakeNames}");

            // Test if it has a UIDocument
            if (nameDisplay.mapUIDocument != null)
            {
                Debug.Log($"✅ UIDocument assigned");
                if (nameDisplay.mapUIDocument.rootVisualElement != null)
                {
                    Debug.Log($"✅ Root visual element exists");
                    var mapContainer = nameDisplay.mapUIDocument.rootVisualElement.Q<VisualElement>("map-container");
                    if (mapContainer != null)
                    {
                        Debug.Log($"✅ Map container found: {mapContainer.worldBound}");
                    }
                    else
                    {
                        Debug.LogWarning("⚠️ Map container not found");
                    }
                }
                else
                {
                    Debug.LogError("❌ Root visual element is null");
                }
            }
            else
            {
                Debug.LogError("❌ UIDocument not assigned to MapLocationNameDisplay");
            }
        }
        else
        {
            Debug.LogError("❌ MapLocationNameDisplay not found in scene");
        }
    }

    private void TestLegend()
    {
        Debug.Log("--- Testing Legend ---");
        var legend = FindFirstObjectByType<MapSceneLegendUI>();
        if (legend != null)
        {
            Debug.Log($"✅ MapSceneLegendUI found");
            Debug.Log($"  - Start Visible: {legend.startVisible}");
            Debug.Log($"  - Toggle Key: {legend.toggleKey}");

            if (legend.uiDocument != null)
            {
                Debug.Log($"✅ UIDocument assigned");
                if (legend.uiDocument.rootVisualElement != null)
                {
                    Debug.Log($"✅ Root visual element exists with {legend.uiDocument.rootVisualElement.childCount} children");
                }
                else
                {
                    Debug.LogError("❌ Root visual element is null");
                }
            }
            else
            {
                Debug.LogError("❌ UIDocument not assigned to MapSceneLegendUI");
            }
        }
        else
        {
            Debug.LogError("❌ MapSceneLegendUI not found in scene");
        }
    }

    private void TestUISetup()
    {
        Debug.Log("--- Testing UI Setup ---");
        var uiDocuments = FindObjectsByType<UIDocument>(FindObjectsSortMode.None);
        Debug.Log($"Found {uiDocuments.Length} UIDocument components in scene");

        foreach (var doc in uiDocuments)
        {
            if (doc.rootVisualElement != null)
            {
                Debug.Log($"  - {doc.gameObject.name}: Root element with {doc.rootVisualElement.childCount} children");
            }
            else
            {
                Debug.LogWarning($"  - {doc.gameObject.name}: No root element");
            }
        }
    }

    [ContextMenu("Force Refresh All")]
    public void ForceRefreshAll()
    {
        Debug.Log("=== FORCING REFRESH OF ALL SYSTEMS ===");

        // Refresh geographic features
        var featureManager = FindFirstObjectByType<GeographicFeatureManager>();
        if (featureManager != null)
        {
            featureManager.RegenerateFeatures();
            Debug.Log("✅ Regenerated geographic features");
        }

        // Refresh name display
        var nameDisplay = FindFirstObjectByType<MapLocationNameDisplay>();
        if (nameDisplay != null)
        {
            nameDisplay.RefreshLocationNames();
            Debug.Log("✅ Refreshed location names");
        }

        // Refresh legend
        var legend = FindFirstObjectByType<MapSceneLegendUI>();
        if (legend != null)
        {
            legend.OnFeaturesGenerated();
            Debug.Log("✅ Refreshed legend");
        }

        Debug.Log("=== REFRESH COMPLETE ===");
    }

    [ContextMenu("Test Coordinate Conversion")]
    public void TestCoordinateConversion()
    {
        var nameDisplay = FindFirstObjectByType<MapLocationNameDisplay>();
        var mapMaker = FindFirstObjectByType<MapMaker2>();

        if (nameDisplay != null && mapMaker != null)
        {
            var mapData = mapMaker.GetMapData();
            if (mapData != null)
            {
                Debug.Log("=== TESTING COORDINATE CONVERSION ===");

                // Test corner coordinates
                var testPoints = new Vector2Int[]
                {
                    new Vector2Int(0, 0),
                    new Vector2Int(mapData.Width / 2, mapData.Height / 2),
                    new Vector2Int(mapData.Width - 1, mapData.Height - 1)
                };

                foreach (var point in testPoints)
                {
                    // We can't directly call WorldToUIPosition as it's private,
                    // but we can test with settlements at those positions
                    Debug.Log($"World point {point} would be at map bounds");
                }
            }
        }
    }
}