from typing import Dict, Any, Optional
import logging
import os
from pathlib import Path

from modules.methods.methodBase import MethodBase, AuthSource, MethodResult

logger = logging.getLogger(__name__)

class MethodPowerpoint(MethodBase):
    """Powerpoint method implementation for PowerPoint operations"""
    
    def __init__(self):
        super().__init__()
        self.name = "powerpoint"
        self.description = "Handle PowerPoint operations like reading, writing, and converting presentations"
        self.auth_source = AuthSource.MICROSOFT  # PowerPoint operations need Microsoft auth
        
    @property
    def actions(self) -> Dict[str, Dict[str, Any]]:
        """Available actions and their parameters"""
        return {
            "read": {
                "description": "Read PowerPoint presentation content",
                "retryMax": 2,
                "timeout": 30,
                "parameters": {
                    "path": {"type": "string", "required": True},
                    "format": {"type": "string", "required": False},
                    "includeNotes": {"type": "boolean", "required": False}
                }
            },
            "write": {
                "description": "Write content to PowerPoint presentation",
                "retryMax": 2,
                "timeout": 60,
                "parameters": {
                    "path": {"type": "string", "required": True},
                    "content": {"type": "object", "required": True},
                    "template": {"type": "string", "required": False}
                }
            },
            "convert": {
                "description": "Convert PowerPoint presentation between formats",
                "retryMax": 2,
                "timeout": 60,
                "parameters": {
                    "sourcePath": {"type": "string", "required": True},
                    "targetPath": {"type": "string", "required": True},
                    "sourceFormat": {"type": "string", "required": False},
                    "targetFormat": {"type": "string", "required": False}
                }
            }
        }
    
    async def execute(self, action: str, parameters: Dict[str, Any], auth_data: Optional[Dict[str, Any]] = None) -> MethodResult:
        """Execute powerpoint method"""
        try:
            # Validate parameters
            if not await self.validate_parameters(action, parameters):
                return self._create_result(
                    success=False,
                    data={"error": f"Invalid parameters for {action}"}
                )
            
            # Validate authentication
            if not await self.validate_auth(auth_data):
                return self._create_result(
                    success=False,
                    data={"error": "Authentication required for PowerPoint operations"}
                )
            
            # Execute action
            if action == "read":
                return await self._read_presentation(parameters, auth_data)
            elif action == "write":
                return await self._write_presentation(parameters, auth_data)
            elif action == "convert":
                return await self._convert_presentation(parameters, auth_data)
            else:
                return self._create_result(
                    success=False,
                    data={"error": f"Unknown action: {action}"}
                )
                
        except Exception as e:
            logger.error(f"Error executing powerpoint {action}: {e}")
            return self._create_result(
                success=False,
                data={"error": str(e)}
            )
    
    async def _read_presentation(self, parameters: Dict[str, Any], auth_data: Dict[str, Any]) -> MethodResult:
        """Read PowerPoint presentation content"""
        try:
            path = Path(parameters["path"])
            if not path.exists():
                return self._create_result(
                    success=False,
                    data={"error": f"File not found: {path}"}
                )
            
            # Determine format if not specified
            format = parameters.get("format")
            if not format:
                format = path.suffix[1:] if path.suffix else "pptx"
            
            # TODO: Implement PowerPoint reading using Microsoft Graph API
            # This is a placeholder implementation
            return self._create_result(
                success=True,
                data={
                    "path": str(path),
                    "format": format,
                    "slides": [
                        {
                            "number": 1,
                            "title": "Example Slide",
                            "content": "Example content",
                            "notes": "Example notes" if parameters.get("includeNotes", False) else None
                        }
                    ]
                }
            )
        except Exception as e:
            logger.error(f"Error reading presentation: {e}")
            return self._create_result(
                success=False,
                data={"error": f"Read failed: {str(e)}"}
            )
    
    async def _write_presentation(self, parameters: Dict[str, Any], auth_data: Dict[str, Any]) -> MethodResult:
        """Write content to PowerPoint presentation"""
        try:
            path = Path(parameters["path"])
            
            # Create directory if it doesn't exist
            path.parent.mkdir(parents=True, exist_ok=True)
            
            # Determine format if not specified
            format = parameters.get("format")
            if not format:
                format = path.suffix[1:] if path.suffix else "pptx"
            
            # TODO: Implement PowerPoint writing using Microsoft Graph API
            # This is a placeholder implementation
            return self._create_result(
                success=True,
                data={
                    "path": str(path),
                    "format": format,
                    "slides": len(parameters["content"].get("slides", []))
                }
            )
        except Exception as e:
            logger.error(f"Error writing presentation: {e}")
            return self._create_result(
                success=False,
                data={"error": f"Write failed: {str(e)}"}
            )
    
    async def _convert_presentation(self, parameters: Dict[str, Any], auth_data: Dict[str, Any]) -> MethodResult:
        """Convert PowerPoint presentation between formats"""
        try:
            source_path = Path(parameters["sourcePath"])
            target_path = Path(parameters["targetPath"])
            
            if not source_path.exists():
                return self._create_result(
                    success=False,
                    data={"error": f"Source file not found: {source_path}"}
                )
            
            # Determine formats if not specified
            source_format = parameters.get("sourceFormat")
            if not source_format:
                source_format = source_path.suffix[1:] if source_path.suffix else "pptx"
            
            target_format = parameters.get("targetFormat")
            if not target_format:
                target_format = target_path.suffix[1:] if target_path.suffix else "pptx"
            
            # TODO: Implement PowerPoint conversion using Microsoft Graph API
            # This is a placeholder implementation
            return self._create_result(
                success=True,
                data={
                    "sourcePath": str(source_path),
                    "targetPath": str(target_path),
                    "sourceFormat": source_format,
                    "targetFormat": target_format
                }
            )
        except Exception as e:
            logger.error(f"Error converting presentation: {e}")
            return self._create_result(
                success=False,
                data={"error": f"Conversion failed: {str(e)}"}
            )