using UnityEngine;

/// <summary>
/// Debug script to diagnose settlement interaction issues
/// Add this to a GameObject in MapScene2 to test the settlement interaction system
/// </summary>
public class SettlementInteractionDebugger : MonoBehaviour
{
    [Header("Debug Settings")]
    public bool enableDebugOverlay = true;
    public bool logEveryFrame = false;

    private SettlementInteractionManager interactionManager;
    private SettlementInteractionUI interactionUI;
    private Transform teamMarker;

    void Start()
    {
        Debug.Log("=== Settlement Interaction Debugger Started ===");

        // Find components
        interactionManager = FindFirstObjectByType<SettlementInteractionManager>();
        interactionUI = FindFirstObjectByType<SettlementInteractionUI>();
        teamMarker = GameObject.Find("TeamMarker")?.transform;

        // Initial diagnostics
        DiagnoseComponents();
    }

    void Update()
    {
        if (logEveryFrame)
        {
            LogCurrentState();
        }

        // Test manual input
        if (Input.GetKeyDown(KeyCode.F1))
        {
            TestSettlementDetection();
        }

        if (Input.GetKeyDown(KeyCode.F2))
        {
            TestManualEntry();
        }
    }

    private void DiagnoseComponents()
    {
        Debug.Log("=== Component Diagnosis ===");

        // Check SettlementInteractionManager
        if (interactionManager != null)
        {
            Debug.Log("✅ SettlementInteractionManager found");
            Debug.Log($"   - GameObject: {interactionManager.gameObject.name}");
            Debug.Log($"   - Enabled: {interactionManager.enabled}");
            Debug.Log($"   - Active: {interactionManager.gameObject.activeSelf}");
            Debug.Log($"   - TeamMarker assigned: {interactionManager.teamMarker != null}");
            Debug.Log($"   - Interaction Distance: {interactionManager.interactionDistance}");
            Debug.Log($"   - Enter Key: {interactionManager.enterSettlementKey}");
            Debug.Log($"   - Debug Logs Enabled: {interactionManager.enableDebugLogs}");

            // Check if MapData is accessible
            var mapMaker = FindFirstObjectByType<MapMaker2>();
            if (mapMaker != null)
            {
                var mapData = mapMaker.GetMapData();
                Debug.Log($"   - MapData available: {mapData != null}");
                if (mapData != null)
                {
                    var settlements = mapData.GetAllSettlements();
                    Debug.Log($"   - Settlements count: {settlements?.Count ?? 0}");
                }
            }
            else
            {
                Debug.LogWarning("   - MapMaker2 not found!");
            }
        }
        else
        {
            Debug.LogError("❌ SettlementInteractionManager NOT FOUND!");
            Debug.LogError("   Make sure to add SettlementInteractionManager component to a GameObject in MapScene2");
        }

        // Check SettlementInteractionUI
        if (interactionUI != null)
        {
            Debug.Log("✅ SettlementInteractionUI found");
            Debug.Log($"   - GameObject: {interactionUI.gameObject.name}");
        }
        else
        {
            Debug.LogWarning("⚠️ SettlementInteractionUI not found");
        }

        // Check TeamMarker
        if (teamMarker != null)
        {
            Debug.Log("✅ TeamMarker found");
            Debug.Log($"   - Position: {teamMarker.position}");
        }
        else
        {
            Debug.LogError("❌ TeamMarker GameObject not found!");
        }

        Debug.Log("=== End Diagnosis ===");
        Debug.Log("Press F1 to test settlement detection");
        Debug.Log("Press F2 to test manual settlement entry");
    }

    private void LogCurrentState()
    {
        if (interactionManager == null || teamMarker == null) return;

        var currentSettlement = interactionManager.GetCurrentNearbySettlement();
        Debug.Log($"[Frame] TeamMarker: {teamMarker.position}, Current Settlement: {(currentSettlement?.name ?? "None")}");
    }

    [ContextMenu("Test Settlement Detection")]
    public void TestSettlementDetection()
    {
        Debug.Log("=== Testing Settlement Detection ===");

        if (interactionManager == null)
        {
            Debug.LogError("No SettlementInteractionManager found!");
            return;
        }

        if (teamMarker == null)
        {
            Debug.LogError("No TeamMarker found!");
            return;
        }

        var currentSettlement = interactionManager.GetCurrentNearbySettlement();
        Debug.Log($"Current nearby settlement: {(currentSettlement?.name ?? "None")}");

        // Check if UI is showing
        if (interactionUI != null)
        {
            Debug.Log("SettlementInteractionUI is present and should be handling events");
        }

        // Manual coordinate check
        Vector2 teamWorldPos = new Vector2(teamMarker.position.x, teamMarker.position.z);
        Debug.Log($"TeamMarker world position: {teamWorldPos}");

        // Try to find MapData and check settlements manually
        var mapMaker = FindFirstObjectByType<MapMaker2>();
        if (mapMaker != null)
        {
            var mapData = mapMaker.GetMapData();
            if (mapData != null)
            {
                var settlements = mapData.GetAllSettlements();
                Debug.Log($"Total settlements in map: {settlements?.Count ?? 0}");

                if (settlements != null && settlements.Count > 0)
                {
                    foreach (var settlement in settlements)
                    {
                        float distance = Vector2.Distance(teamWorldPos, new Vector2(settlement.position.x, settlement.position.y));
                        Debug.Log($"Settlement '{settlement.name}' at {settlement.position} - Distance: {distance:F2}");
                    }
                }
            }
        }
    }

    [ContextMenu("Test Manual Entry")]
    public void TestManualEntry()
    {
        Debug.Log("=== Testing Manual Settlement Entry ===");

        if (interactionManager != null)
        {
            interactionManager.TestEnterCurrentSettlement();
        }
        else
        {
            Debug.LogError("No SettlementInteractionManager found!");
        }
    }

    [ContextMenu("Force Enable Debug Logging")]
    public void ForceEnableDebugLogging()
    {
        if (interactionManager != null)
        {
            interactionManager.enableDebugLogs = true;
            Debug.Log("Debug logging enabled on SettlementInteractionManager");
        }
    }

    [ContextMenu("Test Input Detection")]
    public void TestInputDetection()
    {
        Debug.Log("=== Testing Input Detection ===");
        Debug.Log($"Input.GetKeyDown(KeyCode.E): {Input.GetKeyDown(KeyCode.E)}");
        Debug.Log($"Input.GetKey(KeyCode.E): {Input.GetKey(KeyCode.E)}");
        Debug.Log($"Input.inputString: '{Input.inputString}'");
    }

    void OnGUI()
    {
        if (!enableDebugOverlay) return;

        GUILayout.BeginArea(new Rect(10, 10, 400, 300));
        GUILayout.BeginVertical("box");

        GUILayout.Label("Settlement Interaction Debug", new GUIStyle(GUI.skin.label) { fontSize = 16, fontStyle = FontStyle.Bold });

        if (interactionManager != null)
        {
            var currentSettlement = interactionManager.GetCurrentNearbySettlement();
            GUILayout.Label($"Current Settlement: {(currentSettlement?.name ?? "None")}");

            if (teamMarker != null)
            {
                GUILayout.Label($"TeamMarker Position: {teamMarker.position}");
            }

            GUILayout.Space(10);

            if (GUILayout.Button("Test Settlement Detection (F1)"))
            {
                TestSettlementDetection();
            }

            if (GUILayout.Button("Test Manual Entry (F2)"))
            {
                TestManualEntry();
            }

            if (GUILayout.Button("Force Debug Logging"))
            {
                ForceEnableDebugLogging();
            }
        }
        else
        {
            GUILayout.Label("❌ SettlementInteractionManager NOT FOUND!", new GUIStyle(GUI.skin.label) { normal = { textColor = Color.red } });
            GUILayout.Label("Add SettlementInteractionManager component to a GameObject in this scene");
        }

        GUILayout.EndVertical();
        GUILayout.EndArea();
    }
}