using Kryz.CharacterStats.Examples;
using Photon.Pun;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BuildManager : MonoBehaviour
{
    [SerializeField] private GameTag characterClass;


    [SerializeField] private List<BuildSlot> defaultBuildSlots = new List<BuildSlot>();
    [SerializeField] private List<AbilityKeyBinder> abilityKeyBinders = new List<AbilityKeyBinder>();

    [Header("Events:")]
    [SerializeField] private GameEvent_BuildManager onBuildManagerInitialized;


    [Header("Runtime Data:")]
    [SerializeField] private List<BuildSlot> selectedBuildSlots = new List<BuildSlot>();



    BuildData buildData = new BuildData();

    PhotonView owner;

    PlayerCharacterStats playerCharacterStats;

    public GameTag CharacterClass => characterClass;
    public List<BuildSlot> SelectedBuildSlots => selectedBuildSlots;

    private void Awake()
    {
        owner = GetComponentInParent<PhotonView>();
        playerCharacterStats = owner.GetComponent<PlayerCharacterStats>();

        playerCharacterStats.level.OnLevelUpEvent.AddListener(CheckForSlotUnlockables);
    }

    // Start is called before the first frame update
    void Start()
    {
        if (!owner.IsMine)
        {
            this.enabled = false;
            return;
        }

        for (int i = 0; i < defaultBuildSlots.Count; i++)
        {
            selectedBuildSlots[i].ability = defaultBuildSlots[i].ability;
            selectedBuildSlots[i].binderSlot = defaultBuildSlots[i].binderSlot;
        }

        TryGetSavedBuildData();

        CheckForSlotUnlockables();

        onBuildManagerInitialized.Raise(this);
    }

    private void TryGetSavedBuildData()
    {
        buildData = PlayerDataHandler.Instance.LoadCharacterBuildData(PlayerDataHandler.Instance.currentPlayerName.Value, PlayerDataHandler.Instance.currentCharacterName.Value);

        if (buildData == null)
        {
            SaveCurrentBuild();
        }
        else
        {
            InitializeLoadedBuild();
        }
    }

    private void SaveCurrentBuild()
    {
        if (buildData == null)
            buildData = new BuildData();

        for (int i = 0; i < buildData.buildSlotsdata.Length; i++)
        {
            buildData.buildSlotsdata[i].abilityIndex = AbilityIndexer.Instance.Abilities.IndexOf(selectedBuildSlots[i].ability);
            buildData.buildSlotsdata[i].binderSlotIndex = selectedBuildSlots[i].binderSlot;

            abilityKeyBinders[selectedBuildSlots[i].binderSlot].BindAbility(selectedBuildSlots[i].ability);
        }

        PlayerDataHandler.Instance.SaveCharacterBuildData(PlayerDataHandler.Instance.currentPlayerName.Value, PlayerDataHandler.Instance.currentCharacterName.Value, buildData);
    }
    private void InitializeLoadedBuild()
    {
        for (int i = 0; i < buildData.buildSlotsdata.Length; i++)
        {
            selectedBuildSlots[i].ability = AbilityIndexer.Instance.Abilities[buildData.buildSlotsdata[i].abilityIndex];
            selectedBuildSlots[i].binderSlot = buildData.buildSlotsdata[i].binderSlotIndex;

            abilityKeyBinders[selectedBuildSlots[i].binderSlot].BindAbility(selectedBuildSlots[i].ability);
        }
    }

    public void UpdateBuildOnAbilitiesChanged(int slotIndex, BaseAbility ability)
    {
        selectedBuildSlots[slotIndex].ability = ability;
        selectedBuildSlots[slotIndex].binderSlot = slotIndex;

        abilityKeyBinders[selectedBuildSlots[slotIndex].binderSlot].BindAbility(selectedBuildSlots[slotIndex].ability);

        SaveCurrentBuild();
    }

    private void CheckForSlotUnlockables()
    {
        abilityKeyBinders[0].SetUnlockAbilitySlot(true);
        abilityKeyBinders[1].SetUnlockAbilitySlot(playerCharacterStats.level.currentLevel >= GameConstants.GameBalancing.AbilitySlot_II_LevelRequired);
        abilityKeyBinders[2].SetUnlockAbilitySlot(playerCharacterStats.level.currentLevel >= GameConstants.GameBalancing.AbilitySlot_III_LevelRequired);
        //abilityKeyBinders[3].SetUnlockAbilitySlot(playerCharacterStats.level.currentLevel >= GameConstants.GameBalancing.AbilitySlot_IV_LevelRequired);
    }

}