"""
HTTP request handling features
"""
import json
import logging
from datetime import datetime
from browser.driver import get_driver, cleanup_driver
from config.settings import MAX_REQUEST_HISTORY

logger = logging.getLogger(__name__)

# Request history storage
_request_history = []

def make_http_request(url: str, method: str = "GET", headers: str = "", data: str = "", use_persistent: bool = False) -> str:
    """Make HTTP request with custom method, headers, and data (like Postman)"""
    global _request_history
    driver = None
    try:
        driver = get_driver(None, use_persistent)  # Don't navigate yet
        
        # Parse headers if provided
        headers_dict = {}
        if headers:
            try:
                headers_dict = json.loads(headers)
            except:
                # Try to parse as key:value lines
                for line in headers.strip().split('\n'):
                    if ':' in line:
                        key, value = line.split(':', 1)
                        headers_dict[key.strip()] = value.strip()
        
        # Build the JavaScript to make the request
        js_code = f"""
        async function makeRequest() {{
            const options = {{
                method: '{method}',
                headers: {json.dumps(headers_dict)},
            }};
            
            if (['{method}'].includes('POST') || ['{method}'].includes('PUT') || ['{method}'].includes('PATCH')) {{
                options.body = {json.dumps(data) if data else '""'};
            }}
            
            try {{
                const startTime = performance.now();
                const response = await fetch('{url}', options);
                const endTime = performance.now();
                
                const responseHeaders = {{}};
                response.headers.forEach((value, key) => {{
                    responseHeaders[key] = value;
                }});
                
                let responseBody;
                const contentType = response.headers.get('content-type');
                if (contentType && contentType.includes('application/json')) {{
                    responseBody = await response.json();
                }} else {{
                    responseBody = await response.text();
                }}
                
                return {{
                    status: response.status,
                    statusText: response.statusText,
                    headers: responseHeaders,
                    body: responseBody,
                    url: response.url,
                    type: response.type,
                    redirected: response.redirected,
                    responseTime: Math.round(endTime - startTime)
                }};
            }} catch (error) {{
                return {{
                    error: error.message,
                    type: 'NetworkError'
                }};
            }}
        }}
        
        return makeRequest();
        """
        
        # Navigate to a blank page first to avoid CORS issues
        driver.get("about:blank")
        
        # Execute the request
        result = driver.execute_script(js_code)
        
        # If result is a promise, wait for it
        if isinstance(result, dict) and 'then' in str(type(result)):
            result = driver.execute_async_script("""
                const callback = arguments[arguments.length - 1];
                arguments[0].then(callback).catch(e => callback({error: e.toString()}));
            """, result)
        
        # Save to history
        _request_history.append({
            "timestamp": datetime.now().isoformat(),
            "method": method,
            "url": url,
            "headers": headers_dict,
            "data": data,
            "response": result
        })
        
        # Keep only last N requests
        if len(_request_history) > MAX_REQUEST_HISTORY:
            _request_history = _request_history[-MAX_REQUEST_HISTORY:]
        
        return json.dumps(result, indent=2, default=str)
    except Exception as e:
        logger.error(f"Error in make_http_request: {e}")
        return f"Error: {e}"
    finally:
        cleanup_driver(driver, use_persistent)

def export_as_curl(method: str, url: str, headers: str = "", data: str = "") -> str:
    """Convert HTTP request to cURL command"""
    try:
        curl_cmd = f"curl -X {method}"
        
        # Add headers
        if headers:
            headers_dict = {}
            try:
                headers_dict = json.loads(headers)
            except:
                for line in headers.strip().split('\n'):
                    if ':' in line:
                        key, value = line.split(':', 1)
                        headers_dict[key.strip()] = value.strip()
            
            for key, value in headers_dict.items():
                curl_cmd += f' -H "{key}: {value}"'
        
        # Add data
        if data and method in ['POST', 'PUT', 'PATCH']:
            curl_cmd += f" -d '{data}'"
        
        # Add URL
        curl_cmd += f' "{url}"'
        
        return curl_cmd
    except Exception as e:
        return f"Error generating cURL command: {e}"

def get_request_history() -> str:
    """Get history of HTTP requests"""
    if not _request_history:
        return "No requests in history"
    
    return json.dumps(_request_history, indent=2, default=str)