using System;
using UnityEngine;

public enum QuestGoalType
{
    CollectItem,
    KillEnemy,
    TalkToNPC
}

[Serializable]
public class QuestGoal
{
    public QuestGoalType goalType;
    public ItemData targetItem;
    public string enemyType;
    public string npcId;
    [Min(1)] public int requiredAmount = 1;

    public string GetTargetKey()
    {
        switch (goalType)
        {
            case QuestGoalType.CollectItem:
                return targetItem != null ? targetItem.itemId : string.Empty;
            case QuestGoalType.KillEnemy:
                return enemyType;
            case QuestGoalType.TalkToNPC:
                return npcId;
            default:
                return string.Empty;
        }
    }

    public string GetDisplayName()
    {
        switch (goalType)
        {
            case QuestGoalType.CollectItem:
                return targetItem != null ? targetItem.itemName : "Unknown item";
            case QuestGoalType.KillEnemy:
                return string.IsNullOrWhiteSpace(enemyType) ? "Enemy" : enemyType;
            case QuestGoalType.TalkToNPC:
                return string.IsNullOrWhiteSpace(npcId) ? "NPC" : npcId;
            default:
                return "Goal";
        }
    }
}