"""
Support ticket module for creating Jira tickets.
Handles integration with Jira API for user support requests.
"""
from typing import Dict, Any, Optional
from jira import JIRA
from jira.exceptions import JIRAError
from utils import setup_logger, format_timestamp
from config import JIRA_SERVER, JIRA_EMAIL, JIRA_API_TOKEN, JIRA_PROJECT_KEY

logger = setup_logger(__name__)


class SupportTicketManager:
    """
    Manages creation of support tickets in Jira.
    """
    
    def __init__(
        self,
        server: str = JIRA_SERVER,
        email: str = JIRA_EMAIL,
        api_token: str = JIRA_API_TOKEN,
        project_key: str = JIRA_PROJECT_KEY
    ):
        """
        Initializes Jira client with credentials.
        Inputs: server, email, api_token, project_key (all strings)
        Outputs: None
        """
        self.server = server
        self.email = email
        self.api_token = api_token
        self.project_key = project_key
        self.jira_client: Optional[JIRA] = None
        
        logger.info("SupportTicketManager initialized")
    
    def _connect(self) -> bool:
        """
        Establishes connection to Jira.
        Inputs: None
        Outputs: boolean (success status)
        """
        if not all([self.server, self.email, self.api_token]):
            logger.error("Jira credentials not configured")
            return False
        
        try:
            self.jira_client = JIRA(
                server=self.server,
                basic_auth=(self.email, self.api_token)
            )
            logger.info(f"Successfully connected to Jira: {self.server}")
            return True
        except JIRAError as e:
            logger.error(f"Failed to connect to Jira: {str(e)}")
            return False
        except Exception as e:
            logger.error(f"Unexpected error connecting to Jira: {str(e)}")
            return False
    
    def create_ticket(
        self,
        summary: str,
        description: str,
        issue_type: str = "Task",
        priority: str = "Medium"
    ) -> Dict[str, Any]:
        """
        Creates a support ticket in Jira.
        Inputs: summary (string), description (string), issue_type (string), priority (string)
        Outputs: dictionary with ticket information
        """
        logger.info(f"Creating support ticket: {summary}")
        
        # Connect to Jira if not already connected
        if not self.jira_client:
            if not self._connect():
                return {
                    "success": False,
                    "error": "Failed to connect to Jira. Please check configuration."
                }
        
        try:
            # Create issue dictionary
            issue_dict = {
                "project": {"key": self.project_key},
                "summary": summary,
                "description": description,
                "issuetype": {"name": issue_type},
            }
            
            # Add priority if supported
            try:
                issue_dict["priority"] = {"name": priority}
            except:
                pass  # Priority field might not be available in all Jira configurations
            
            # Create the issue
            new_issue = self.jira_client.create_issue(fields=issue_dict)
            
            ticket_key = new_issue.key
            ticket_url = f"{self.server}/browse/{ticket_key}"
            
            logger.info(f"Successfully created ticket: {ticket_key}")
            
            return {
                "success": True,
                "ticket_key": ticket_key,
                "ticket_url": ticket_url,
                "message": f"Support ticket created successfully: {ticket_key}"
            }
            
        except JIRAError as e:
            error_msg = f"Jira error: {str(e)}"
            logger.error(error_msg)
            return {
                "success": False,
                "error": error_msg
            }
        except Exception as e:
            error_msg = f"Failed to create ticket: {str(e)}"
            logger.error(error_msg)
            return {
                "success": False,
                "error": error_msg
            }
    
    def create_ticket_from_conversation(
        self,
        user_query: str,
        conversation_context: str,
        user_email: Optional[str] = None
    ) -> Dict[str, Any]:
        """
        Creates a support ticket with conversation context.
        Inputs: user_query (string), conversation_context (string), user_email (optional string)
        Outputs: dictionary with ticket information
        """
        timestamp = format_timestamp()
        
        # Build ticket summary
        summary = f"Support Request: {user_query[:80]}"
        
        # Build detailed description
        description_parts = [
            f"*Support Request - {timestamp}*",
            "",
            "h3. User Query:",
            user_query,
            "",
            "h3. Conversation Context:",
            "{noformat}",
            conversation_context,
            "{noformat}",
            ""
        ]
        
        if user_email:
            description_parts.extend([
                "h3. Contact:",
                f"Email: {user_email}",
                ""
            ])
        
        description_parts.append("---")
        description_parts.append("_This ticket was automatically created by the Data Insights App._")
        
        description = "\n".join(description_parts)
        
        return self.create_ticket(
            summary=summary,
            description=description,
            issue_type="Task",
            priority="Medium"
        )
    
    def test_connection(self) -> Dict[str, Any]:
        """
        Tests connection to Jira.
        Inputs: None
        Outputs: dictionary with connection status
        """
        logger.info("Testing Jira connection...")
        
        if self._connect():
            try:
                # Try to get server info
                server_info = self.jira_client.server_info()
                return {
                    "success": True,
                    "message": f"Connected to Jira successfully",
                    "server_version": server_info.get("version", "Unknown")
                }
            except Exception as e:
                return {
                    "success": False,
                    "error": f"Connected but failed to get server info: {str(e)}"
                }
        else:
            return {
                "success": False,
                "error": "Failed to connect to Jira"
            }