using Minigames.Airplane.Data;
using UnityEditor;
using UnityEngine;

namespace Editor.Minigames.Airplane
{
    /// <summary>
    /// Custom editor for PrefabSpawnEntryComponent that conditionally shows fields based on spawn mode.
    /// </summary>
    [CustomEditor(typeof(PrefabSpawnEntryComponent))]
    public class PrefabSpawnEntryComponentEditor : UnityEditor.Editor
    {
        private SerializedProperty _spawnPositionModeProperty;
        private SerializedProperty _specifiedYProperty;
        private SerializedProperty _randomYMinProperty;
        private SerializedProperty _randomYMaxProperty;
        
        private void OnEnable()
        {
            _spawnPositionModeProperty = serializedObject.FindProperty("spawnPositionMode");
            _specifiedYProperty = serializedObject.FindProperty("specifiedY");
            _randomYMinProperty = serializedObject.FindProperty("randomYMin");
            _randomYMaxProperty = serializedObject.FindProperty("randomYMax");
        }
        
        public override void OnInspectorGUI()
        {
            serializedObject.Update();
            
            EditorGUILayout.LabelField("Prefab Spawn Positioning", EditorStyles.boldLabel);
            EditorGUILayout.HelpBox("Controls how this prefab is positioned vertically when spawned. If this component is missing, spawner uses default settings from AirplaneSettings.", MessageType.Info);
            EditorGUILayout.Space();
            
            // Always show the mode selector
            EditorGUILayout.PropertyField(_spawnPositionModeProperty, new GUIContent("Spawn Position Mode"));
            
            SpawnPositionMode currentMode = (SpawnPositionMode)_spawnPositionModeProperty.enumValueIndex;
            
            EditorGUILayout.Space();
            
            // Show mode-specific fields
            switch (currentMode)
            {
                case SpawnPositionMode.SnapToGround:
                    EditorGUILayout.HelpBox("Object will raycast down to find ground and snap its bottom to the surface. If no ground is found, fallback Y position from settings will be used.", MessageType.Info);
                    break;
                    
                case SpawnPositionMode.SpecifiedY:
                    EditorGUILayout.LabelField("Fixed Y Position", EditorStyles.boldLabel);
                    EditorGUILayout.PropertyField(_specifiedYProperty, new GUIContent("Y Position"));
                    EditorGUILayout.HelpBox("Object will spawn at this exact Y coordinate.", MessageType.Info);
                    break;
                    
                case SpawnPositionMode.RandomRange:
                    EditorGUILayout.LabelField("Random Y Range", EditorStyles.boldLabel);
                    EditorGUILayout.PropertyField(_randomYMinProperty, new GUIContent("Min Y"));
                    EditorGUILayout.PropertyField(_randomYMaxProperty, new GUIContent("Max Y"));
                    
                    // Validation
                    if (_randomYMinProperty.floatValue > _randomYMaxProperty.floatValue)
                    {
                        EditorGUILayout.HelpBox("Min Y should be less than Max Y!", MessageType.Warning);
                    }
                    else
                    {
                        EditorGUILayout.HelpBox($"Object will spawn at random Y between {_randomYMinProperty.floatValue:F2} and {_randomYMaxProperty.floatValue:F2}.", MessageType.Info);
                    }
                    break;
            }
            
            serializedObject.ApplyModifiedProperties();
        }
    }
}