using System.Collections.Generic;
using Sirenix.OdinInspector;
using UnityEngine;

namespace Beyond
{
    public class EnemySpawnerManager : MonoBehaviour
    {
        [Header("Spawner Configurations")]
        [Tooltip("List of spawners to manage and their override settings.")]
        public List<SpawnerOverrideConfig> spawnerConfigurations = new List<SpawnerOverrideConfig>();

        [Header("Global Settings (Optional)")]
        [Tooltip("If assigned, this prefab will be used for ALL spawners in the list that don't have their own overridePrefab set.")]
        public GameObject globalOverridePrefab;

        [Tooltip("If > 0, this will be used for ALL spawners that don't have overrideEnemiesPerWave set. Set to 0 or less to ignore.")]
        public int globalOverrideEnemiesPerWave = -1;
        public bool overrideOnStart = true;

        public bool autoEnableSpawners = true;
        public bool disableSpawnersOnStart = true;

        void Awake()
        {
            if (disableSpawnersOnStart)
            {
                // Disable all spawners initially if needed
                foreach (var config in spawnerConfigurations)
                {
                    if (config.spawner != null)
                    {
                        config.spawner.enabled = false;
                    }
                }
            }
            ApplySpawnerConfigurations();
        }

        // You could also call this from Start() if you want to ensure all other Awakes have run,
        // though for setting properties on other components, Awake() is generally fine.
        // void Start()
        // {
        //     ApplySpawnerConfigurations();
        // }
        [Button]
        public void ApplySpawnerConfigurations()
        {
            if (spawnerConfigurations == null || spawnerConfigurations.Count == 0)
            {
                Debug.LogWarning("EnemySpawnerManager: No spawner configurations assigned.", this);
                return;
            }

            foreach (SpawnerOverrideConfig config in spawnerConfigurations)
            {
                if (config == null || config.spawner == null)
                {
                    Debug.LogWarning("EnemySpawnerManager: A spawner configuration or its target spawner is null. Skipping.", this);
                    continue;
                }

                EnemySpawner targetSpawner = config.spawner;

                // Apply specific override prefab if set
                if (config.overridePrefab != null)
                {
                    targetSpawner.m_prefab = config.overridePrefab;
                    // Debug.Log($"Manager overriding prefab for {targetSpawner.name} to {config.overridePrefab.name}", this);
                }
                // Else, if a global override prefab is set, apply that
                else if (globalOverridePrefab != null)
                {
                    targetSpawner.m_prefab = globalOverridePrefab;
                    // Debug.Log($"Manager applying global override prefab to {targetSpawner.name} ({globalOverridePrefab.name})", this);
                }
                // If neither specific nor global override is set, the spawner uses its own m_prefab.

                // Apply specific override for enemies per wave if set (and > 0)
                if (config.overrideEnemiesPerWave > -1)
                {
                    targetSpawner.m_enemiesPerSpawnWave = config.overrideEnemiesPerWave;
                    // Debug.Log($"Manager overriding enemies per wave for {targetSpawner.name} to {config.overrideEnemiesPerWave}", this);
                }
                // Else, if a global override for enemies per wave is set (and > 0), apply that
                else if (globalOverrideEnemiesPerWave > -1)
                {
                    targetSpawner.m_enemiesPerSpawnWave = globalOverrideEnemiesPerWave;
                    // Debug.Log($"Manager applying global override enemies per wave to {targetSpawner.name} ({globalOverrideEnemiesPerWave})", this);
                }
                if (autoEnableSpawners)
                {
                    targetSpawner.enabled = true; // Enable the spawner if it was disabled
                }
                // If neither specific nor global override is set, the spawner uses its own m_enemiesPerSpawnWave.


                // --- IMPORTANT ---
                // Ensure the spawner hasn't already started its InvokeRepeating for CheckSpawn
                // if its settings are being changed.
                // One way is to disable the spawner initially and let the manager enable it.
                // Or, if spawners might already be active, you might need to CancelInvoke and Restart it.
                // For simplicity, let's assume spawners are either configured to not auto-start
                // or this manager runs early enough (e.g., via Script Execution Order).

                // If you want to ensure spawners don't start before manager configures them:
                // Option A: Set spawners to be disabled by default in the editor, then enable them here.
                // targetSpawner.enabled = true; // If they were disabled by default

                // Option B: Make sure EnemySpawnerManager's Awake runs before EnemySpawner's Start.
                // You can do this via Edit > Project Settings > Script Execution Order.
                // Add EnemySpawnerManager and set it to an earlier value (e.g., -100)
                // than the default time or EnemySpawner.
            }

            Debug.Log("EnemySpawnerManager: Applied configurations to spawners.", this);
        }

        // Optional: Helper to add spawners programmatically if needed
        public void AddSpawnerToManage(EnemySpawner spawner, GameObject prefabOverride = null, int enemiesPerWaveOverride = 0)
        {
            if (spawner == null) return;

            SpawnerOverrideConfig newConfig = new SpawnerOverrideConfig
            {
                spawner = spawner,
                overridePrefab = prefabOverride,
                overrideEnemiesPerWave = enemiesPerWaveOverride
            };
            spawnerConfigurations.Add(newConfig);
        }

        /// <summary>
        /// Resets all managed spawners to their initial state.
        /// This will destroy their current enemies and restart their spawning cycles.
        /// </summary>
        [ContextMenu("Reset All Managed Spawners")] // Adds a right-click option in Inspector for easy testing
        [Button]
        public void ResetAllManagedSpawners()
        {
            if (spawnerConfigurations == null || spawnerConfigurations.Count == 0)
            {
                Debug.LogWarning("EnemySpawnerManager: No spawners configured to reset.", this);
                return;
            }

            Debug.Log("EnemySpawnerManager: Initiating reset for all managed spawners...", this);
            int resetCount = 0;
            foreach (SpawnerOverrideConfig config in spawnerConfigurations)
            {
                if (config != null && config.spawner != null)
                {
                    config.spawner.ResetSpawner(); // Call the spawner's own reset method
                    resetCount++;
                }
            }
            Debug.Log($"EnemySpawnerManager: Reset command sent to {resetCount} spawners.", this);
        }

    }
}