"""
Jenkins 服务
提供与 Jenkins 的交互功能
"""

import aiohttp
import structlog
from typing import Optional, Dict, Any

from app.config import get_settings

logger = structlog.get_logger()

class JenkinsService:
    """Jenkins 服务类"""
    
    def __init__(self):
        self.settings = get_settings()
        self.base_url = self.settings.jenkins.url
        self.username = self.settings.jenkins.username
        self.token = self.settings.jenkins.token
        self.timeout = self.settings.jenkins.timeout
        
    async def test_connection(self) -> bool:
        """测试 Jenkins 连接"""
        try:
            async with aiohttp.ClientSession() as session:
                auth = aiohttp.BasicAuth(self.username, self.token)
                async with session.get(
                    f"{self.base_url}/api/json",
                    auth=auth,
                    timeout=aiohttp.ClientTimeout(total=self.timeout)
                ) as response:
                    if response.status == 200:
                        logger.info("Jenkins connection test successful")
                        return True
                    else:
                        logger.warning(f"Jenkins connection test failed with status {response.status}")
                        return False
        except Exception as e:
            logger.error(f"Jenkins connection test failed: {str(e)}")
            return False
    
    async def trigger_job(self, job_name: str, parameters: Optional[Dict[str, Any]] = None) -> bool:
        """触发 Jenkins 任务"""
        try:
            async with aiohttp.ClientSession() as session:
                auth = aiohttp.BasicAuth(self.username, self.token)
                
                # 构建请求 URL
                url = f"{self.base_url}/job/{job_name}/build"
                
                # 如果有参数，使用参数化构建
                if parameters:
                    url = f"{self.base_url}/job/{job_name}/buildWithParameters"
                
                async with session.post(
                    url,
                    auth=auth,
                    params=parameters or {},
                    timeout=aiohttp.ClientTimeout(total=self.timeout)
                ) as response:
                    if response.status in [200, 201]:
                        logger.info(f"Successfully triggered Jenkins job: {job_name}")
                        return True
                    else:
                        logger.error(f"Failed to trigger Jenkins job {job_name}: {response.status}")
                        return False
        except Exception as e:
            logger.error(f"Error triggering Jenkins job {job_name}: {str(e)}")
            return False
    
    async def get_job_info(self, job_name: str) -> Optional[Dict[str, Any]]:
        """获取任务信息"""
        try:
            async with aiohttp.ClientSession() as session:
                auth = aiohttp.BasicAuth(self.username, self.token)
                async with session.get(
                    f"{self.base_url}/job/{job_name}/api/json",
                    auth=auth,
                    timeout=aiohttp.ClientTimeout(total=self.timeout)
                ) as response:
                    if response.status == 200:
                        return await response.json()
                    else:
                        logger.warning(f"Failed to get job info for {job_name}: {response.status}")
                        return None
        except Exception as e:
            logger.error(f"Error getting job info for {job_name}: {str(e)}")
            return None

# 全局服务实例
_jenkins_service = None

def get_jenkins_service() -> JenkinsService:
    """获取 Jenkins 服务实例"""
    global _jenkins_service
    if _jenkins_service is None:
        _jenkins_service = JenkinsService()
    return _jenkins_service