# CarrotSkin 后端 API 文档

## 概述

本文档总结了 CarrotSkin 后端 API，主要关注前端需要的接口，不包括 Yggdrasil 相关接口（除了更换 Yggdrasil 密码）。

## 基础信息

- **基础URL**: `/api/v1`
- **认证方式**: JWT Bearer Token
- **数据格式**: JSON
- **字符编码**: UTF-8

## 通用响应格式

所有API响应都遵循以下格式：

```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    // 具体数据内容
  }
}
```

分页响应格式：

```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "list": [],
    "total": 100,
    "page": 1,
    "page_size": 20,
    "total_pages": 5
  }
}
```

## 认证相关 API

### 1. 用户注册

- **URL**: `POST /api/v1/auth/register`
- **认证**: 无需认证
- **请求参数**:
```json
{
  "username": "newuser",          // 用户名，3-50字符
  "email": "user@example.com",    // 邮箱地址
  "password": "password123",      // 密码，6-128字符
  "verification_code": "123456",  // 邮箱验证码，6位数字
  "avatar": "https://example.com/avatar.png" // 可选，头像URL
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "注册成功",
  "data": {
    "token": "jwt_token_here",
    "user_info": {
      "id": 1,
      "username": "newuser",
      "email": "user@example.com",
      "avatar": "https://example.com/avatar.png",
      "points": 0,
      "role": "user",
      "status": 1,
      "created_at": "2025-10-01T10:00:00Z",
      "updated_at": "2025-10-01T10:00:00Z"
    }
  }
}
```

### 2. 用户登录

- **URL**: `POST /api/v1/auth/login`
- **认证**: 无需认证
- **请求参数**:
```json
{
  "username": "testuser",         // 用户名或邮箱
  "password": "password123"       // 密码
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "登录成功",
  "data": {
    "token": "jwt_token_here",
    "user_info": {
      "id": 1,
      "username": "testuser",
      "email": "test@example.com",
      "avatar": "https://example.com/avatar.png",
      "points": 100,
      "role": "user",
      "status": 1,
      "last_login_at": "2025-10-01T12:00:00Z",
      "created_at": "2025-10-01T10:00:00Z",
      "updated_at": "2025-10-01T10:00:00Z"
    }
  }
}
```

### 3. 发送验证码

- **URL**: `POST /api/v1/auth/send-code`
- **认证**: 无需认证
- **请求参数**:
```json
{
  "email": "user@example.com",    // 邮箱地址
  "type": "register"              // 类型: register/reset_password/change_email
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "验证码已发送，请查收邮件",
  "data": {
    "message": "验证码已发送，请查收邮件"
  }
}
```

### 4. 重置密码

- **URL**: `POST /api/v1/auth/reset-password`
- **认证**: 无需认证
- **请求参数**:
```json
{
  "email": "user@example.com",    // 邮箱地址
  "verification_code": "123456",  // 邮箱验证码
  "new_password": "newpassword123" // 新密码
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "密码重置成功",
  "data": {
    "message": "密码重置成功"
  }
}
```

## 用户相关 API

### 1. 获取用户信息

- **URL**: `GET /api/v1/user/profile`
- **认证**: 需要JWT认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "username": "testuser",
    "email": "test@example.com",
    "avatar": "https://example.com/avatar.png",
    "points": 100,
    "role": "user",
    "status": 1,
    "last_login_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 2. 更新用户信息

- **URL**: `PUT /api/v1/user/profile`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "avatar": "https://example.com/new-avatar.png", // 可选，新头像URL
  "old_password": "oldpassword123",              // 可选，修改密码时需要
  "new_password": "newpassword123"               // 可选，新密码
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "username": "testuser",
    "email": "test@example.com",
    "avatar": "https://example.com/new-avatar.png",
    "points": 100,
    "role": "user",
    "status": 1,
    "last_login_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 3. 生成头像上传URL

- **URL**: `POST /api/v1/user/avatar/upload-url`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "file_name": "avatar.png"      // 文件名
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "post_url": "https://rustfs.example.com/avatars",
    "form_data": {
      "key": "user_1/xxx.png",
      "policy": "base64_policy",
      "x-amz-signature": "signature"
    },
    "avatar_url": "https://rustfs.example.com/avatars/user_1/xxx.png",
    "expires_in": 900
  }
}
```

### 4. 更新头像URL

- **URL**: `PUT /api/v1/user/avatar`
- **认证**: 需要JWT认证
- **请求参数**: 
  - Query参数: `avatar_url` - 头像URL
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "username": "testuser",
    "email": "test@example.com",
    "avatar": "https://example.com/new-avatar.png",
    "points": 100,
    "role": "user",
    "status": 1,
    "last_login_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 5. 更换邮箱

- **URL**: `POST /api/v1/user/change-email`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "new_email": "newemail@example.com",  // 新邮箱地址
  "verification_code": "123456"         // 邮箱验证码
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "username": "testuser",
    "email": "newemail@example.com",
    "avatar": "https://example.com/avatar.png",
    "points": 100,
    "role": "user",
    "status": 1,
    "last_login_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 6. 重置Yggdrasil密码

- **URL**: `POST /api/v1/user/yggdrasil-password/reset`
- **认证**: 需要JWT认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "password": "new_yggdrasil_password"
  }
}
```

## 材质相关 API

### 1. 搜索材质

- **URL**: `GET /api/v1/texture`
- **认证**: 无需认证
- **请求参数**:
  - Query参数:
    - `keyword`: 搜索关键词
    - `type`: 材质类型 (SKIN/CAPE)
    - `public_only`: 是否只搜索公开材质 (true/false)
    - `page`: 页码，默认1
    - `page_size`: 每页数量，默认20
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "list": [
      {
        "id": 1,
        "uploader_id": 1,
        "name": "My Skin",
        "description": "A cool skin",
        "type": "SKIN",
        "url": "https://rustfs.example.com/textures/xxx.png",
        "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
        "size": 2048,
        "is_public": true,
        "download_count": 100,
        "favorite_count": 50,
        "is_slim": false,
        "status": 1,
        "created_at": "2025-10-01T10:00:00Z",
        "updated_at": "2025-10-01T10:00:00Z"
      }
    ],
    "total": 100,
    "page": 1,
    "page_size": 20,
    "total_pages": 5
  }
}
```

### 2. 获取材质详情

- **URL**: `GET /api/v1/texture/{id}`
- **认证**: 无需认证
- **请求参数**: 
  - 路径参数: `id` - 材质ID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "uploader_id": 1,
    "name": "My Skin",
    "description": "A cool skin",
    "type": "SKIN",
    "url": "https://rustfs.example.com/textures/xxx.png",
    "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "size": 2048,
    "is_public": true,
    "download_count": 100,
    "favorite_count": 50,
    "is_slim": false,
    "status": 1,
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 3. 直接上传材质文件（推荐）

- **URL**: `POST /api/v1/texture/upload`
- **认证**: 需要JWT认证
- **Content-Type**: `multipart/form-data`
- **请求参数**:
  - `file`: 材质文件（PNG格式，1KB-10MB）
  - `name`: 材质名称（必填，1-100字符）
  - `description`: 材质描述（可选，最多500字符）
  - `type`: 材质类型（可选，默认SKIN，可选值：SKIN/CAPE）
  - `is_public`: 是否公开（可选，默认false，true/false）
  - `is_slim`: 是否为细臂模型（可选，默认false，true/false）
- **说明**:
  - 后端会自动计算文件的SHA256哈希值
  - 如果已存在相同哈希的材质，会复用已存在的文件URL，不重复上传
  - 允许多次上传相同哈希的材质（包括同一用户），每次都会创建新的数据库记录
  - 文件存储路径格式：`{type}/{hash[:2]}/{hash[2:4]}/{hash}.png`
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "uploader_id": 1,
    "name": "My Cool Skin",
    "description": "A very cool skin",
    "type": "SKIN",
    "url": "https://rustfs.example.com/textures/skin/e3/b0/e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855.png",
    "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "size": 2048,
    "is_public": true,
    "download_count": 0,
    "favorite_count": 0,
    "is_slim": false,
    "status": 1,
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 4. 生成材质上传URL（兼容接口）

- **URL**: `POST /api/v1/texture/upload-url`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "file_name": "skin.png",        // 文件名
  "texture_type": "SKIN"          // 材质类型: SKIN/CAPE
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "post_url": "https://rustfs.example.com/textures",
    "form_data": {
      "key": "user_1/skin/xxx.png",
      "policy": "base64_policy",
      "x-amz-signature": "signature"
    },
    "texture_url": "https://rustfs.example.com/textures/user_1/skin/xxx.png",
    "expires_in": 900
  }
}
```

### 5. 创建材质记录（配合预签名URL使用）

- **URL**: `POST /api/v1/texture`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "name": "My Cool Skin",          // 材质名称，1-100字符
  "description": "A very cool skin", // 描述，最多500字符
  "type": "SKIN",                  // 材质类型: SKIN/CAPE
  "url": "https://rustfs.example.com/textures/user_1/skin/xxx.png", // 材质URL
  "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", // SHA256哈希
  "size": 2048,                    // 文件大小(字节)
  "is_public": true,               // 是否公开
  "is_slim": false                 // 是否为细臂模型(Alex)
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "uploader_id": 1,
    "name": "My Cool Skin",
    "description": "A very cool skin",
    "type": "SKIN",
    "url": "https://rustfs.example.com/textures/user_1/skin/xxx.png",
    "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "size": 2048,
    "is_public": true,
    "download_count": 0,
    "favorite_count": 0,
    "is_slim": false,
    "status": 1,
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 6. 更新材质

- **URL**: `PUT /api/v1/texture/{id}`
- **认证**: 需要JWT认证
- **请求参数**:
  - 路径参数: `id` - 材质ID
  - 请求体:
```json
{
  "name": "Updated Skin Name",     // 可选，新名称
  "description": "Updated description", // 可选，新描述
  "is_public": false              // 可选，是否公开
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "id": 1,
    "uploader_id": 1,
    "name": "Updated Skin Name",
    "description": "Updated description",
    "type": "SKIN",
    "url": "https://rustfs.example.com/textures/user_1/skin/xxx.png",
    "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "size": 2048,
    "is_public": false,
    "download_count": 100,
    "favorite_count": 50,
    "is_slim": false,
    "status": 1,
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 7. 删除材质

- **URL**: `DELETE /api/v1/texture/{id}`
- **认证**: 需要JWT认证
- **请求参数**: 
  - 路径参数: `id` - 材质ID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": null
}
```

### 8. 切换收藏状态

- **URL**: `POST /api/v1/texture/{id}/favorite`
- **认证**: 需要JWT认证
- **请求参数**: 
  - 路径参数: `id` - 材质ID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "is_favorited": true
  }
}
```

### 9. 获取用户上传的材质列表

- **URL**: `GET /api/v1/texture/my`
- **认证**: 需要JWT认证
- **请求参数**:
  - Query参数:
    - `page`: 页码，默认1
    - `page_size`: 每页数量，默认20
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "list": [
      {
        "id": 1,
        "uploader_id": 1,
        "name": "My Skin",
        "description": "A cool skin",
        "type": "SKIN",
        "url": "https://rustfs.example.com/textures/xxx.png",
        "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
        "size": 2048,
        "is_public": true,
        "download_count": 100,
        "favorite_count": 50,
        "is_slim": false,
        "status": 1,
        "created_at": "2025-10-01T10:00:00Z",
        "updated_at": "2025-10-01T10:00:00Z"
      }
    ],
    "total": 50,
    "page": 1,
    "page_size": 20,
    "total_pages": 3
  }
}
```

### 10. 获取用户收藏的材质列表

- **URL**: `GET /api/v1/texture/favorites`
- **认证**: 需要JWT认证
- **请求参数**:
  - Query参数:
    - `page`: 页码，默认1
    - `page_size`: 每页数量，默认20
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "list": [
      {
        "id": 1,
        "uploader_id": 2,
        "name": "Cool Skin",
        "description": "A very cool skin",
        "type": "SKIN",
        "url": "https://rustfs.example.com/textures/xxx.png",
        "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
        "size": 2048,
        "is_public": true,
        "download_count": 100,
        "favorite_count": 50,
        "is_slim": false,
        "status": 1,
        "created_at": "2025-10-01T10:00:00Z",
        "updated_at": "2025-10-01T10:00:00Z"
      }
    ],
    "total": 30,
    "page": 1,
    "page_size": 20,
    "total_pages": 2
  }
}
```

## 档案相关 API

### 1. 创建档案

- **URL**: `POST /api/v1/profile`
- **认证**: 需要JWT认证
- **请求参数**:
```json
{
  "name": "PlayerName"            // 角色名，1-16字符
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "uuid": "550e8400-e29b-41d4-a716-446655440000",
    "user_id": 1,
    "name": "PlayerName",
    "skin_id": null,
    "cape_id": null,
    "is_active": false,
    "last_used_at": null,
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 2. 获取档案列表

- **URL**: `GET /api/v1/profile`
- **认证**: 需要JWT认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": [
    {
      "uuid": "550e8400-e29b-41d4-a716-446655440000",
      "user_id": 1,
      "name": "PlayerName",
      "skin_id": 1,
      "cape_id": 2,
      "is_active": true,
      "last_used_at": "2025-10-01T12:00:00Z",
      "created_at": "2025-10-01T10:00:00Z",
      "updated_at": "2025-10-01T10:00:00Z"
    }
  ]
}
```

### 3. 获取档案详情

- **URL**: `GET /api/v1/profile/{uuid}`
- **认证**: 无需认证
- **请求参数**: 
  - 路径参数: `uuid` - 档案UUID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "uuid": "550e8400-e29b-41d4-a716-446655440000",
    "user_id": 1,
    "name": "PlayerName",
    "skin_id": 1,
    "cape_id": 2,
    "is_active": true,
    "last_used_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 4. 更新档案

- **URL**: `PUT /api/v1/profile/{uuid}`
- **认证**: 需要JWT认证
- **请求参数**:
  - 路径参数: `uuid` - 档案UUID
  - 请求体:
```json
{
  "name": "NewPlayerName",        // 可选，新角色名
  "skin_id": 1,                   // 可选，皮肤ID
  "cape_id": 2                    // 可选，披风ID
}
```
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "uuid": "550e8400-e29b-41d4-a716-446655440000",
    "user_id": 1,
    "name": "NewPlayerName",
    "skin_id": 1,
    "cape_id": 2,
    "is_active": true,
    "last_used_at": "2025-10-01T12:00:00Z",
    "created_at": "2025-10-01T10:00:00Z",
    "updated_at": "2025-10-01T10:00:00Z"
  }
}
```

### 5. 删除档案

- **URL**: `DELETE /api/v1/profile/{uuid}`
- **认证**: 需要JWT认证
- **请求参数**: 
  - 路径参数: `uuid` - 档案UUID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "message": "删除成功"
  }
}
```

### 6. 设置活跃档案

- **URL**: `POST /api/v1/profile/{uuid}/activate`
- **认证**: 需要JWT认证
- **请求参数**: 
  - 路径参数: `uuid` - 档案UUID
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "message": "设置成功"
  }
}
```

## 验证码相关 API

### 1. 生成验证码

- **URL**: `GET /api/v1/captcha/generate`
- **认证**: 无需认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "code": 200,
  "data": {
    "masterImage": "base64_encoded_master_image",
    "tileImage": "base64_encoded_tile_image",
    "captchaId": "captcha_id_here",
    "y": 100
  }
}
```

### 2. 验证验证码

- **URL**: `POST /api/v1/captcha/verify`
- **认证**: 无需认证
- **请求参数**:
```json
{
  "captchaId": "captcha_id_here",
  "dx": 150                        // 滑动距离
}
```
- **响应数据**:
```json
{
  "code": 200,
  "msg": "验证成功"
}
```

## 系统相关 API

### 1. 获取系统配置

- **URL**: `GET /api/v1/system/config`
- **认证**: 无需认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "code": 200,
  "message": "操作成功",
  "data": {
    "site_name": "CarrotSkin",
    "site_description": "A Minecraft Skin Station",
    "registration_enabled": true,
    "max_textures_per_user": 100,
    "max_profiles_per_user": 5
  }
}
```

## CustomSkin API

### 1. 获取玩家信息

- **URL**: `GET /api/v1/csl/{username}`
- **认证**: 无需认证
- **请求参数**: 
  - 路径参数: `username` - 玩家用户名
- **响应数据**:
```json
{
  "username": "PlayerName",
  "textures": {
    "default": "skin_hash_here",
    "slim": "skin_hash_here",
    "cape": "cape_hash_here",
    "elytra": "cape_hash_here"
  }
}
```
或简化格式:
```json
{
  "username": "PlayerName",
  "skin": "skin_hash_here"
}
```

### 2. 获取资源文件

- **URL**: `GET /api/v1/csl/textures/{hash}`
- **认证**: 无需认证
- **请求参数**: 
  - 路径参数: `hash` - 资源哈希值
- **响应数据**: 二进制文件内容

## 健康检查

### 1. 健康检查

- **URL**: `GET /health`
- **认证**: 无需认证
- **请求参数**: 无
- **响应数据**:
```json
{
  "status": "ok"
}
```

## 错误码说明

| 错误码 | 说明 |
|--------|------|
| 200 | 操作成功 |
| 400 | 请求参数错误 |
| 401 | 未认证或认证失败 |
| 403 | 无权限操作 |
| 404 | 资源不存在 |
| 500 | 服务器内部错误 |

## 认证说明

需要JWT认证的API需要在请求头中添加：

```
Authorization: Bearer {jwt_token}
```

JWT Token在用户登录或注册成功后返回，有效期内可用于访问需要认证的API。