using UnityEngine;
using EasyTalk.Nodes;
using System.Collections.Generic;

[CreateAssetMenu(fileName = "New NPC Data", menuName = "RPG/NPC Data")]
public class NPCData : ScriptableObject
{
    [Header("Basic Info")]
    public string npcName = "NPC";
    public string interactionText = "Press {E} to talk with {NPCName}";

    [Header("Interaction Settings")]
    [Range(1f, 10f)]
    public float interactionRange = 2f;
    public bool canInteract = true;
    public InteractionType interactionType = InteractionType.NPC;
      [Header("Dialogue")]
    public Dialogue dialogue;
    
    [Header("Quest System")]
    public bool isQuestGiver = false;
    [SerializeField] private List<Quest> questsToGive = new List<Quest>();
    public bool giveQuestsInOrder = true;
    public bool repeatQuests = false;    [Header("Quest Dialogue")]
    public string noQuestDialogue;           // When no quests are available
    public string questStartDialogue;       // When offering a new quest
    public string questInProgressDialogue;  // When player has active quest from this NPC
    public string questCompletedDialogue;   // When player completes a quest
    public string questFailedDialogue;      // When a quest has failed
    
    [Header("Optional Settings")]
    [TextArea(3, 5)]
    public string description = "A friendly NPC";
    public bool isShopkeeper = false;
    
    // Runtime quest tracking
    [System.NonSerialized]
    public int currentQuestIndex = 0;
    
    // Method to validate the NPC data
    public bool IsValid()
    {
        return !string.IsNullOrEmpty(npcName) && dialogue != null;
    }
    
    // Quest management methods
    public List<Quest> GetQuests()
    {
        return new List<Quest>(questsToGive);
    }
    
    public void AddQuest(Quest quest)
    {
        if (quest != null && !questsToGive.Contains(quest))
        {
            questsToGive.Add(quest);
        }
    }
    
    public void RemoveQuest(Quest quest)
    {
        questsToGive.Remove(quest);
    }
    
    /// <summary>
    /// Update interaction type based on NPC properties
    /// </summary>
    private void OnValidate()
    {
        // Automatically set interaction type based on NPC role
        if (isQuestGiver)
        {
            interactionType = InteractionType.Quest;
        }
        else if (isShopkeeper)
        {
            interactionType = InteractionType.Shop;
        }
        else if (interactionType == InteractionType.Quest && !isQuestGiver)
        {
            // Reset to default if no longer a quest giver
            interactionType = InteractionType.NPC;
        }
    }
}