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

public class ConfigManager : MonoBehaviour
{
    private static string jsonConfig = @"{
        ""mesh"": [
            {
                ""revertSeam"": 0,
                ""vertices"": [
                    0, 0, 0, 
                    1, 1, 0, 
                    1, 0, 0
                ],
                ""indices"": [
                    0, 1, 2
                ]
            },
            {
                ""revertSeam"": 0,
                ""vertices"": [
                    0, 0, 0, 
                    0, 1, 0, 
                    1, 1, 0
                ],
                ""indices"": [
                    0, 1, 2
                ]
            }
        ],
        ""instances"": [
            {
                ""meshidx"": 0,
                ""uniforms"" : {
                    ""vTransform"" : [0, 0, 0],
                    ""vLocalTransform"": [0.25, 0.25],
                    ""vSeamOffset"": [0, 0],
                    ""vTextureSize"": [1, 1]
                },
                ""texture"": 0
            },
            {
                ""meshidx"": 1,
                ""uniforms"" : {
                    ""vTransform"" : [0, 0, 0],
                    ""vLocalTransform"": [0.75, 0.25],
                    ""vSeamOffset"": [0, 0],
                    ""vTextureSize"": [1, 1]
                },
                ""texture"": 1
            },
            {
                ""meshidx"": 0,
                ""uniforms"" : {
                    ""vTransform"" : [0, 0, 0],
                    ""vLocalTransform"": [0.25, 0.75],
                    ""vSeamOffset"": [0, 0],
                    ""vTextureSize"": [1, 1]
                },
                ""texture"": 2
            },
            {
                ""meshidx"": 1,
                ""uniforms"" : {
                    ""vTransform"" : [0.5, 0, 0],
                    ""vLocalTransform"": [0.75, 0.75],
                    ""vSeamOffset"": [0, 0],
                    ""vTextureSize"": [1, 1]
                },
                 ""texture"": 3
            }
        ],
        ""size"": [1206, 1206]
    }";
    // 测试贴图数组 纯色： 红 绿 蓝 黄
    private static List<Texture2D> textures;

    private static List<Vector2> textureSizes = new List<Vector2>
    {
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600),
        new Vector2(600, 600)
    };

    public class TexturesConfig
    {
        public List<Texture2D> textures;
        public List<Vector2> textureSizes;
    }

    public static JsonConfigParser.TileConfig getTestTileConfig(string configStr)
    {
        JsonConfigParser.TileConfig config = JsonConfigParser.ParseJsonConfig(configStr);

        return config;
    }

    public static TexturesConfig getTestTextures()
    {
        return new TexturesConfig
        {
            // 初始化四个纯色图片，颜色分别为 红色 绿色 蓝色 白色，宽高为1000
            textures = new List<Texture2D>
            {
                CreateTexture(Color.red),
                CreateTexture(Color.green),
                CreateTexture(Color.blue),
                CreateTexture(Color.white),
                CreateTexture(Color.yellow),
                CreateTexture(Color.cyan),
                CreateTexture(Color.gray),
                CreateTexture(Color.magenta)
            },
            textureSizes = textureSizes
        };
    }

    private static Texture2D CreateTexture(Color color)
    {
        // 创建一个 1000x1000 的纹理
        Texture2D texture = new Texture2D(600, 600, TextureFormat.RGBA32, false);
        // 填充纹理为指定颜色
        Color[] pixels = new Color[600 * 600];
        for (int i = 0; i < pixels.Length; i++)
        {
            pixels[i] = color;
        }
        texture.SetPixels(pixels);
        texture.Apply(); // 应用更改
        return texture;
    }
}