using UnityEngine;
using UnityEngine.Tilemaps;

/// <summary>
/// Helper script to generate placeholder tile sprites and tiles
/// Use this if you don't have tile graphics yet
/// </summary>
public class TileGenerator
{
    /// <summary>
    /// Creates a simple colored sprite at runtime
    /// </summary>
    public static Sprite CreateColoredSprite(Color color, string name = "Tile")
    {
        Texture2D texture = new Texture2D(16, 16, TextureFormat.RGBA32, false);
        texture.name = name;

        Color[] pixels = new Color[16 * 16];
        for (int i = 0; i < pixels.Length; i++)
        {
            pixels[i] = color;
        }
        texture.SetPixels(pixels);
        texture.Apply();

        return Sprite.Create(texture, new Rect(0, 0, 16, 16), new Vector2(0.5f, 0.5f), 16);
    }

    /// <summary>
    /// Creates a simple checkered pattern texture for visual variety
    /// </summary>
    public static Sprite CreateCheckerSprite(Color color1, Color color2, string name = "Checker")
    {
        Texture2D texture = new Texture2D(16, 16, TextureFormat.RGBA32, false);
        texture.name = name;

        Color[] pixels = new Color[16 * 16];
        for (int y = 0; y < 16; y++)
        {
            for (int x = 0; x < 16; x++)
            {
                bool isEven = (x / 8 + y / 8) % 2 == 0;
                pixels[y * 16 + x] = isEven ? color1 : color2;
            }
        }
        texture.SetPixels(pixels);
        texture.Apply();

        return Sprite.Create(texture, new Rect(0, 0, 16, 16), new Vector2(0.5f, 0.5f), 16);
    }

    /// <summary>
    /// Creates a Tile asset from a sprite
    /// </summary>
    public static Tile CreateTile(Sprite sprite)
    {
        Tile tile = ScriptableObject.CreateInstance<Tile>();
        tile.sprite = sprite;
        return tile;
    }
}