"""
配置文档生成工具
自动生成配置文件说明文档
"""
import yaml
from core.utils.config_manager import get_config_manager
from core.utils.path_utils import spiders_config_path


class ConfigDocumentation:
    """
    配置文档生成工具
    """
    
    def __init__(self):
        self.config_manager = get_config_manager()

    def generate_env_config_docs(self) -> str:
        """
        生成环境配置文档
        """
        docs = "# 环境配置说明\n\n"
        docs += "环境配置通过 `.env` 文件进行配置，以下为所有可配置项:\n\n"
        
        env_settings_info = {
            "ENV": {
                "description": "运行环境",
                "default": "prod",
                "options": ["prod", "dev"]
            },
            "DB_HOST": {
                "description": "数据库主机地址",
                "required": True
            },
            "DB_PORT": {
                "description": "数据库端口",
                "default": 3306
            },
            "DB_USER": {
                "description": "数据库用户名",
                "required": True
            },
            "DB_PASSWORD": {
                "description": "数据库密码",
                "required": True
            },
            "DB_NAME": {
                "description": "数据库名称",
                "required": True
            },
            "DB_CHARSET": {
                "description": "数据库字符集",
                "required": True
            },
            "ROCKETMQ_ENDPOINT": {
                "description": "RocketMQ接入点",
                "required": True
            },
            "ROCKETMQ_ACCESS_KEY_ID": {
                "description": "RocketMQ访问密钥ID",
                "required": True
            },
            "ROCKETMQ_ACCESS_KEY_SECRET": {
                "description": "RocketMQ访问密钥",
                "required": True
            },
            "FEISHU_APPID": {
                "description": "飞书应用ID",
                "required": True
            },
            "FEISHU_APPSECRET": {
                "description": "飞书应用密钥",
                "required": True
            },
            "ALIYUN_ACCESS_KEY_ID": {
                "description": "阿里云访问密钥ID",
                "required": True
            },
            "ALIYUN_ACCESS_KEY_SECRET": {
                "description": "阿里云访问密钥",
                "required": True
            },
            "REDIS_HOST": {
                "description": "Redis主机地址",
                "required": True
            },
            "REDIS_PORT": {
                "description": "Redis端口",
                "default": 6379
            },
            "REDIS_PASSWORD": {
                "description": "Redis密码",
                "required": True
            }
        }
        
        docs += "| 配置项 | 描述 | 是否必填 | 默认值 |\n"
        docs += "|--------|------|----------|--------|\n"
        
        for key, info in env_settings_info.items():
            description = info.get("description", "")
            required = "是" if info.get("required", False) else "否"
            default = str(info.get("default", "")) if info.get("default") is not None else ""
            options = ", ".join(info.get("options", []))
            if options:
                description += f" (可选值: {options})"
                
            docs += f"| {key} | {description} | {required} | {default} |\n"
            
        return docs

    def generate_spider_config_docs(self) -> str:
        """
        生成爬虫配置文档
        """
        docs = "# 爬虫配置说明\n\n"
        docs += "爬虫配置通过 `config/spiders_config.yaml` 文件进行配置。\n\n"
        
        # 添加配置示例
        docs += "## 配置示例\n\n```yaml\n"
        with open(spiders_config_path, 'r', encoding='utf-8') as f:
            docs += f.read()
        docs += "```\n\n"
        
        # 添加字段说明
        docs += "## 字段说明\n\n"
        
        global_config_fields = {
            "base_url": "基础URL，用于拼接完整请求URL",
            "request_timeout": "请求超时时间（秒）",
            "max_retries": "最大重试次数",
            "headers": "请求头信息"
        }
        
        platform_config_fields = {
            "platform": "平台名称",
            "mode": "爬取模式（如 recommend, author）",
            "path": "API路径",
            "url": "完整请求URL",
            "method": "HTTP请求方法",
            "request_body": "请求体参数",
            "loop_times": "循环次数",
            "loop_interval": "循环间隔（min/max）",
            "response_parse": "响应解析配置",
            "feishu_sheetid": "飞书表格ID"
        }
        
        response_parse_fields = {
            "data_path": "数据列表路径",
            "next_cursor": "下一页游标路径",
            "has_more": "是否还有更多数据路径",
            "fields": "字段映射配置"
        }
        
        docs += "### 全局配置字段\n\n"
        docs += "| 字段 | 描述 |\n"
        docs += "|------|------|\n"
        for field, description in global_config_fields.items():
            docs += f"| {field} | {description} |\n"
            
        docs += "\n### 平台配置字段\n\n"
        docs += "| 字段 | 描述 |\n"
        docs += "|------|------|\n"
        for field, description in platform_config_fields.items():
            docs += f"| {field} | {description} |\n"
            
        docs += "\n### 响应解析字段\n\n"
        docs += "| 字段 | 描述 |\n"
        docs += "|------|------|\n"
        for field, description in response_parse_fields.items():
            docs += f"| {field} | {description} |\n"
            
        return docs

    def generate_complete_docs(self) -> str:
        """
        生成完整配置文档
        """
        docs = "# AutoScraperX 配置说明\n\n"
        docs += "本文档详细说明了AutoScraperX项目的配置项。\n\n"
        docs += "---\n\n"
        docs += self.generate_env_config_docs()
        docs += "\n---\n\n"
        docs += self.generate_spider_config_docs()
        docs += "\n---\n\n"
        docs += "## 当前配置状态\n\n"
        
        try:
            stats = self.config_manager.get_config_stats()
            docs += f"- 平台配置数量: {stats['total_platforms']}\n"
            docs += f"- 运行环境: {stats['env']}\n"
            docs += f"- 配置文件路径: {stats['config_file']}\n"
        except Exception as e:
            docs += f"配置状态获取失败: {e}\n"
            
        return docs

    def save_docs(self, filepath: str = "CONFIGURATION.md"):
        """
        保存文档到文件
        """
        docs = self.generate_complete_docs()
        with open(filepath, 'w', encoding='utf-8') as f:
            f.write(docs)
        return filepath


def generate_config_docs():
    """
    生成配置文档
    """
    doc_generator = ConfigDocumentation()
    filepath = doc_generator.save_docs()
    print(f"配置文档已保存到: {filepath}")
    return filepath


if __name__ == "__main__":
    generate_config_docs()