from docx_parser_converter.docx_parsers.models.document_models import DocumentSchema
from docx_parser_converter.docx_parsers.models.styles_models import StylesSchema
from docx_parser_converter.docx_parsers.models.numbering_models import NumberingSchema
from docx_parser_converter.docx_parsers.styles.styles_parser import StylesParser
from docx_parser_converter.docx_parsers.document.document_parser import DocumentParser
from docx_parser_converter.docx_parsers.numbering.numbering_parser import NumberingParser
from docx_parser_converter.docx_parsers.styles.styles_merger import StyleMerger


class DocxProcessor:
    """
    A processor for parsing and merging DOCX document components such as styles, numbering, and document content.
    """

    @staticmethod
    def process_docx(docx_file: bytes) -> tuple[DocumentSchema, StylesSchema, NumberingSchema]:
        """
        Processes the DOCX file and extracts the document schema, styles schema, and numbering schema.

        Args:
            docx_file (bytes): The binary content of the DOCX file.

        Returns:
            tuple[DocumentSchema, StylesSchema, NumberingSchema]: The parsed document schema, styles schema, and numbering schema.

        Raises:
            Exception: If the document.xml parsing fails.

        Example:
            The following is an example of how to use the process_docx method:

            .. code-block:: python

                docx_path = "path/to/your/docx_file.docx"
                docx_file = read_binary_from_file_path(docx_path)
                document_schema, styles_schema, numbering_schema = DocxProcessor.process_docx(docx_file)
        """
        styles_schema = None
        numbering_schema = None
        try:
            styles_parser = StylesParser(docx_file)
            styles_schema = styles_parser.get_styles_schema()
        except Exception as e:
            print(f"Warning: Failed to parse styles.xml. Using default styles schema. Error: {e}")
            styles_schema = DocxProcessor.get_default_styles_schema()

        try:
            numbering_parser = NumberingParser(docx_file)
            numbering_schema = numbering_parser.get_numbering_schema()
        except Exception as e:
            print(f"Warning: Failed to parse numbering.xml. Using default numbering schema. Error: {e}")
            numbering_schema = DocxProcessor.get_default_numbering_schema()

        try:
            document_parser = DocumentParser(docx_file)
            document_schema = document_parser.get_document_schema()
        except Exception as e:
            print(f"Error: Failed to parse document.xml. Conversion process cannot proceed. Error: {e}")
            raise

        style_merger = StyleMerger(document_schema, styles_schema, numbering_schema)
        document_schema = style_merger.document_schema

        return document_schema, styles_schema, numbering_schema

    @staticmethod
    def get_default_styles_schema() -> StylesSchema:
        """
        Returns a default styles schema.

        Returns:
            StylesSchema: The default styles schema.
        """
        # Implementation for default styles schema
        pass

    @staticmethod
    def get_default_numbering_schema() -> NumberingSchema:
        """
        Returns a default numbering schema.

        Returns:
            NumberingSchema: The default numbering schema.
        """
        # Implementation for default numbering schema
        pass
