#!/usr/bin/env python
# -*- coding: utf-8 -*-

import requests
import json
import os
from typing import Dict, List, Any, Optional, Union

# 禁用代理设置
os.environ['HTTP_PROXY'] = ''
os.environ['HTTPS_PROXY'] = ''
os.environ['http_proxy'] = ''
os.environ['https_proxy'] = ''

class StalwartClient:
    """Stalwart API客户端"""
    
    def __init__(self, base_url: str, api_key: Optional[str] = None, oauth_token: Optional[str] = None):
        """
        初始化Stalwart API客户端
        
        Args:
            base_url: API基础URL，例如 https://mail.example.org/api
            api_key: API密钥（可选）
            oauth_token: OAuth令牌（可选）
        """
        self.base_url = base_url.rstrip('/')
        self.api_key = api_key
        self.oauth_token = oauth_token
        self.session = requests.Session()
        
        # 禁用环境代理设置
        self.session.trust_env = False
        
        # 如果提供了API密钥，设置基本认证
        if api_key:
            if ':' in api_key:
                username, password = api_key.split(':', 1)
                self.session.auth = (username, password)
            else:
                # 如果API密钥格式不包含冒号，则使用Bearer认证
                self.session.headers.update({"Authorization": f"Bearer {api_key}"})
        
        # 如果提供了OAuth令牌，设置Bearer认证
        if oauth_token:
            self.session.headers.update({"Authorization": f"Bearer {oauth_token}"})
    
    def _make_request(self, method: str, endpoint: str, **kwargs) -> Any:
        """
        发送API请求
        
        Args:
            method: HTTP方法（GET, POST, PATCH, DELETE等）
            endpoint: API端点路径
            **kwargs: 传递给requests的其他参数
        
        Returns:
            解析后的JSON响应或原始响应
        
        Raises:
            requests.HTTPError: 请求失败时引发
        """
        url = f"{self.base_url}/{endpoint.lstrip('/')}"
        
        # 确保默认接受JSON响应
        headers = kwargs.pop('headers', {})
        headers.setdefault('Accept', 'application/json')
        
        # 调试信息
        print(f"发送请求: {method} {url}")
        
        try:
            response = self.session.request(method, url, headers=headers, **kwargs)
            
            # 调试信息
            print(f"响应状态码: {response.status_code}")
            
            # 检查请求是否成功
            response.raise_for_status()
            
            # 尝试解析JSON响应
            if response.headers.get('content-type', '').startswith('application/json'):
                return response.json()
            
            return response
        except requests.exceptions.HTTPError as e:
            print(f"HTTP错误: {e}")
            if hasattr(e.response, 'text'):
                print(f"响应内容: {e.response.text}")
            raise
        except requests.exceptions.ConnectionError as e:
            print(f"连接错误: {e}")
            raise
        except requests.exceptions.Timeout as e:
            print(f"超时错误: {e}")
            raise
        except requests.exceptions.RequestException as e:
            print(f"请求异常: {e}")
            raise
    
    # -------------------- OAuth相关方法 --------------------
    
    def obtain_oauth_token(self, client_id: str, redirect_uri: str, nonce: str) -> Dict:
        """获取OAuth令牌"""
        data = {
            "type": "code",
            "client_id": client_id,
            "redirect_uri": redirect_uri,
            "nonce": nonce
        }
        
        return self._make_request('POST', '/oauth', json=data)
    
    # -------------------- 主体(Principal)相关方法 --------------------
    
    def list_principals(self, page: Optional[int] = None, limit: Optional[int] = None, 
                        types: Optional[str] = None) -> Dict:
        """列出主体"""
        params = {}
        if page:
            params['page'] = page
        if limit:
            params['limit'] = limit
        if types:
            params['types'] = types
            
        return self._make_request('GET', '/principal', params=params)
    
    def create_principal(self, principal_data: Dict) -> Dict:
        """创建主体"""
        return self._make_request('POST', '/principal', json=principal_data)
    
    def fetch_principal(self, principal_id: str) -> Dict:
        """获取主体详情"""
        return self._make_request('GET', f'/principal/{principal_id}')
    
    def update_principal(self, principal_id: str, updates: List[Dict]) -> Dict:
        """更新主体"""
        return self._make_request('PATCH', f'/principal/{principal_id}', json=updates)
    
    def delete_principal(self, principal_id: str) -> Dict:
        """删除主体"""
        return self._make_request('DELETE', f'/principal/{principal_id}')
    
    # -------------------- 队列相关方法 --------------------
    
    def list_queued_messages(self, page: Optional[int] = None, max_total: Optional[int] = None,
                            limit: Optional[int] = None, values: Optional[int] = None) -> Dict:
        """列出排队消息"""
        params = {}
        if page:
            params['page'] = page
        if max_total:
            params['max-total'] = max_total
        if limit:
            params['limit'] = limit
        if values:
            params['values'] = values
            
        return self._make_request('GET', '/queue/messages', params=params)

def disable_proxy():
    """禁用代理设置"""
    import os
    os.environ['HTTP_PROXY'] = ''
    os.environ['HTTPS_PROXY'] = ''
    os.environ['http_proxy'] = ''
    os.environ['https_proxy'] = ''