using System;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

public class Shelves : MonoBehaviour, IDataPersistence<GameData>
{
    public GameObject ShelfPrefab;

    private List<Shelf> items = new List<Shelf>();

    void Awake()
    {
        Clear();
    }

    public void LoadData(GameData data)
    {
        Clear();
        foreach (ShelfData shelfData in data.shelves)
        {
            Add(shelfData);
        }
    }

    public void SaveData(GameData data)
    {
        data.shelves.Clear();

        foreach (Shelf shelf in GetComponentsInChildren<Shelf>())
        {
            ShelfData shelfData = new ShelfData();
            shelf.SaveData(shelfData);

            data.shelves.Add(shelfData);
        }
    }

    public void Add(ShelfData data)
    {
        GameObject instance = Instantiate(ShelfPrefab, new Vector3(data.location.x, data.location.y, 0), Quaternion.Euler(0, 0, data.angle), transform);
        Shelf shelf = instance.GetComponent<Shelf>();
        shelf.LoadData(data);

        items.Add(shelf);
    }

    private void Clear()
    {
        items.Clear();

        while (transform.childCount > 0)
            DestroyImmediate(transform.GetChild(0).gameObject);
    }

    [ContextMenu("Test Initialize")]
    void TestInitialize()
    {
        Clear();

        for (int i = 0; i < UnityEngine.Random.Range(3, 5); i++)
        {
            ShelfData shelf = new ShelfData()
            {
                type = "random shelf",
                location = new Vector2(UnityEngine.Random.value * 20 - 10, UnityEngine.Random.value * 10 - 5),
                angle = 0,
            };
            shelf.inventory.capacity = UnityEngine.Random.Range(10, 40);
            shelf.inventory.items.Add("123", UnityEngine.Random.Range(5, 10));
            Add(shelf);
        }
    }
}