using System;
using UnityEngine;
using System.Collections.Generic;
using UnityEngine.UIElements;


public class Saveable : MonoBehaviour
{
    public enum ObjectType
    {
        Player,
        BerryBush,
        Twig,
        NPC,
    }

    [SerializeField] private string uid = "";
    [SerializeField] private ObjectType type = ObjectType.BerryBush;

#if UNITY_EDITOR
    void OnValidate()
    {
        if (uid != "")
        {
            // If the UID is already set, we don't need to do anything
            return;
        }
        // Generate a new UID based on the position of the object
        uid = Guid.NewGuid().ToString();
    }
#endif
    private StateManager stateManager = null;
    private void Awake()
    {
        stateManager = GameObject.FindObjectOfType<StateManager>();
        // check if there is a saveState for the current object
        RestoreMyself();
        EnqueueSave();
    }

    void EnqueueSave()
    {
        if (stateManager == null)
            return;

        // add yourself to the stateManager depending on the type
        if (type == ObjectType.BerryBush)
        {
            // check if the bush is already registered in the berrybushdata array
            if (stateManager.BerryBushData.Find(e => e.uid == uid) == null)
                stateManager.BerryBushData.Add(new SaveableBerryBush(uid, transform.position, transform.rotation, gameObject.GetComponent<BushInteraction>().GetBlueberryCount(), gameObject.GetComponent<BushInteraction>().AreBlueberriesPicked()));
        }
        else if (type == ObjectType.Twig)
        {
            if (stateManager.TwigData.Find(e => e.uid == uid) == null)
                stateManager.TwigData.Add(new SaveableTwig(uid, transform.position, transform.rotation, gameObject.GetComponent<TwigInteraction>().IsCollected()));
        }

        else if (type == ObjectType.Player)
        {
            stateManager.PlayerData = new SaveablePlayer(uid, transform.position, transform.rotation, gameObject.GetComponent<PlayerInteraction>().GetInventoryItems(), gameObject.GetComponent<PlayerInteraction>().GetBlueberryCount(), gameObject.GetComponent<PlayerInteraction>().GetDialog());
        }

        else if (type == ObjectType.NPC)
        {
            if (stateManager.NPCData.Find(e => e.uid == uid) == null)
                stateManager.NPCData.Add(new SaveableNPC(uid, transform.position, transform.rotation, gameObject.GetComponent<QuestGiver>().isActive, gameObject.GetComponent<QuestGiver>().isCompleted, gameObject.GetComponent<QuestGiver>().GetCurrentQuest()));
        }

    }

    private void RestoreMyself()
    {
        if (stateManager == null)
            return;


        if (type == ObjectType.BerryBush)
        {
            //save itself to the statemanager
            SaveableBerryBush bush = stateManager.BerryBushData.Find(e => e.uid == uid);
            BushInteraction interaction = gameObject.GetComponent<BushInteraction>();
            if (bush == null || interaction == null)
                return;
            interaction.SetBlueberriesPicked(bush.BlueBerriesPicked);
            interaction.SetBlueberryCount(bush.blueberryCount);
        }
        else if (type == ObjectType.Twig)
        {
            SaveableTwig shtick = stateManager.TwigData.Find(e => e.uid == uid);
            TwigInteraction interaction = gameObject.GetComponent<TwigInteraction>();
            if (shtick == null || interaction == null)
                return;
            interaction.SetCollected(shtick.collected);
        }

        else if (type == ObjectType.Player)
        {
            SaveablePlayer player = stateManager.PlayerData;
            PlayerInteraction interaction = gameObject.GetComponent<PlayerInteraction>();
            if (player == null)
                return;
            interaction.SetInventoryItems(player.inventory);
            interaction.SetBlueberryCount(player.blueberryCount);
            interaction.SetDialog(player.dialog);
            // transform.position = player.position;
            // transform.rotation = player.rotation;
        }

        else if (type == ObjectType.NPC)
        {
            SaveableNPC npc = stateManager.NPCData.Find(e => e.uid == uid);
            QuestGiver questGiver = gameObject.GetComponent<QuestGiver>();
            if (npc == null || questGiver == null)
                return;
            questGiver.isActive = npc.isActive;
            questGiver.isCompleted = npc.isCompleted;
            questGiver.SetCurrentQuest(npc.dialog);
            // delete the tree for the beaver quest if it is completed
            if (questGiver.isCompleted && questGiver.rewardFunction != null)
            {
                questGiver.rewardFunction.RewardPlayer();
            }

        }
    }

    public string GetUID()
    {
        return uid;
    }
    public void SaveMyself()
    {
        if (stateManager == null)
            return;


        if (type == ObjectType.BerryBush)
        {
            //save itself to the statemanager
            SaveableBerryBush bush = stateManager.BerryBushData.Find(e => e.uid == uid);
            BushInteraction interaction = gameObject.GetComponent<BushInteraction>();
            if (bush == null || interaction == null)
                return;
            bush.blueberryCount = interaction.GetBlueberryCount();
            bush.BlueBerriesPicked = interaction.AreBlueberriesPicked();
        }
        else if (type == ObjectType.Twig)
        {
            SaveableTwig shtick = stateManager.TwigData.Find(e => e.uid == uid);
            if (shtick == null)
                return;
            TwigInteraction interaction = gameObject.GetComponent<TwigInteraction>();
            shtick.collected = interaction.IsCollected();
        }

        else if (type == ObjectType.Player)
        {
            SaveablePlayer player = stateManager.PlayerData;
            PlayerInteraction interaction = gameObject.GetComponent<PlayerInteraction>();
            player.blueberryCount = interaction.GetBlueberryCount();
            player.inventory = interaction.GetInventoryItems();
            player.dialog = interaction.GetDialog();
            // player.position = transform.position;
            // player.rotation = transform.rotation;
        }

        else if (type == ObjectType.NPC)
        {
            SaveableNPC npc = stateManager.NPCData.Find(e => e.uid == uid);
            QuestGiver questGiver = gameObject.GetComponent<QuestGiver>();
            if (npc == null || questGiver == null)
                return;
            npc.isActive = questGiver.isActive;
            npc.isCompleted = questGiver.isCompleted;
            npc.dialog = questGiver.GetCurrentQuest();
        }
    }

    private void OnDestroy()
    {
        SaveMyself();
    }

}