import os
import markdown
import pdfkit
import pypandoc

WKHTMLTOPDF_PATH = r"C:\Program Files\wkhtmltopdf\bin\wkhtmltopdf.exe"
config = pdfkit.configuration(wkhtmltopdf=WKHTMLTOPDF_PATH)

TEMPLATE_DOCX_PATH = os.path.join(os.path.dirname(__file__), "..", "templates", "default_template.docx")

def convert_markdown(input_file, output_format, font=None, template_path=None):
    output_file = os.path.splitext(input_file)[0] + (".pdf" if output_format == "PDF" else ".docx")

    if output_format == "PDF":
        with open(input_file, 'r', encoding='utf-8') as f:
            html = markdown.markdown(f.read())
        style = f"<style>body {{ font-family: '{font}'; }}</style>" if font else ""
        pdfkit.from_string(style + html, output_file, configuration=config)

    elif output_format == "DOCX":
        args = []
        if template_path and os.path.exists(template_path):
            args.extend(["--reference-doc", template_path])
        elif os.path.exists(TEMPLATE_DOCX_PATH):
            args.extend(["--reference-doc", TEMPLATE_DOCX_PATH])
        pypandoc.convert_file(input_file, 'docx', outputfile=output_file, extra_args=args)

    else:
        raise ValueError("Formato non supportato")

    return output_file