# SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
#
# SPDX-License-Identifier: MIT
import sys
import argparse
from textwrap import dedent
from ._markitdown import MarkItDown


def main():
    parser = argparse.ArgumentParser(
        description="Convert various file formats to markdown.",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        usage=dedent(
            """
            SYNTAX: 
                
                markitdown <OPTIONAL: FILENAME>
                If FILENAME is empty, markitdown reads from stdin.
            
            EXAMPLE:
                
                markitdown example.pdf
                
                OR
            
                cat example.pdf | markitdown
            
                OR 
            
                markitdown < example.pdf
            """
        ).strip(),
    )

    parser.add_argument("filename", nargs="?")
    args = parser.parse_args()

    if args.filename is None:
        markitdown = MarkItDown()
        result = markitdown.convert_stream(sys.stdin.buffer)
        print(result.text_content)
    else:
        markitdown = MarkItDown()
        result = markitdown.convert(args.filename)
        print(result.text_content)


if __name__ == "__main__":
    main()