import os
import sys
import tempfile
from pathlib import Path
from mistral_ocr.commands import process, convert

def run(args):
    """
    Main entry point for the markdown command.
    
    Processes a document with OCR and converts the results to Markdown in one step.
    This is a convenience command that combines the functionality of the 'process'
    and 'convert' commands.
    
    Args:
        args: Command line arguments parsed by argparse
        
    Raises:
        SystemExit: If an error occurs during processing or conversion
    """
    # Ensure that if --images or --extract-images is true, include_image_base64 is also true
    include_image_base64 = args.images or args.extract_images
    
    # If output file is specified, enable single file mode
    if args.output_file:
        args.single_file = True
    
    # Create temporary file for JSON output if not specified
    json_output_path = args.json_file
    temp_file = None
    
    if not json_output_path:
        temp_file = tempfile.NamedTemporaryFile(suffix=".json", delete=False)
        json_output_path = temp_file.name
        temp_file.close()
    
    try:
        # Step 1: Process the document
        if args.file_or_url.startswith(("http://", "https://")):
            process.process_url(args.file_or_url, json_output_path, include_image_base64)
        else:
            process.process_local_file(args.file_or_url, json_output_path, include_image_base64)
        
        # Step 2: Convert the JSON to markdown
        print("Converting JSON to Markdown...")
        convert.convert_json_to_markdown(json_output_path, args)
        
    except Exception as e:
        print(f"Error processing and converting document: {e}", file=sys.stderr)
        sys.exit(1)
    finally:
        # Clean up temporary file if we created one
        if temp_file and not args.json_file:
            try:
                os.unlink(temp_file.name)
            except:
                pass