#!/usr/bin/env python3

import glob
import os
import re


def uppercase_first_letter(text):
    """
    Make the first letter uppercase.
    """
    if not text:
        return text
    return text[0].upper() + text[1:]


def title_case(text):
    """
    Convert underscores to spaces and capitalize each word.
    """
    # Replace underscores with spaces
    text = text.replace("_", " ")
    # Uppercase first letter of each word
    return re.sub(r"\b\w", lambda m: m.group(0).upper(), text)


def main():
    print("Update snippets doc file.")

    # Set constants
    path_url = "https://github.com/Mint-System/Odoo-Build/tree/main"

    # Create base snippets.md file
    with open("snippets.md", "w") as main_doc:
        main_doc.write("# Snippets\n")
        main_doc.write(
            "In Odoo everything is described as an XML document. "
            + "Snippets are modifications (edits) for these XML documents. "
            + "With a snippet you can e.g. hide a field on the contact form. "
            + "A snippet name is unique and follows the `$COMPANY.$MODULE.$XML_ID.$DESCRIPTION` schema.\n\n"
        )

    # Get all module names from XML files
    module_files = glob.glob("snippets/*.xml")
    modules = set()
    for file in module_files:
        module = os.path.basename(file).split(".")[0]
        modules.add(module)

    modules = sorted(modules)
    sidebar_entries = []

    # Process each module
    for module in modules:
        # Create title for module
        module_title = title_case(module)

        # Create doc file for each module
        doc_file = f"snippets/{module}.md"
        with open(doc_file, "w") as module_doc:
            module_doc.write(f"# {module_title}\n")

        # Add entry to main snippets.md file
        with open("snippets.md", "a") as main_doc:
            main_doc.write(f"## [{module_title}](snippets/{module}.md)\n")

        # Add to sidebar entries
        sidebar_entries.append(f"'/snippets/{module}.md'")

        # Get all XML IDs for this module
        xml_id_files = glob.glob(f"snippets/{module}.*.xml")
        xml_ids = set()
        for file in xml_id_files:
            xml_id = os.path.basename(file).split(".")[1]
            xml_ids.add(xml_id)

        xml_ids = sorted(xml_ids)

        # Process each XML ID
        for xml_id in xml_ids:
            xml_id_title = title_case(xml_id)

            # Add XML ID section to module doc file
            with open(doc_file, "a") as module_doc:
                module_doc.write(f"## {xml_id_title}  \n")

            # Process each file for this XML ID
            edit_files = glob.glob(f"snippets/{module}.{xml_id}.*.xml")

            for file in sorted(edit_files):
                # Get snippet params
                filename = os.path.basename(file)
                parts = filename.split(".")
                edit = parts[2]
                edit_title = title_case(edit)

                # Add edit section to module doc file
                with open(doc_file, "a") as module_doc:
                    module_doc.write(f"### {edit_title}  \n")
                    module_doc.write(f"ID: `mint_system.{module}.{xml_id}.{edit}`  \n")
                    module_doc.write("```xml\n")

                    # Append file content
                    with open(file) as xml_file:
                        module_doc.write(xml_file.read())

                    module_doc.write("\n```\n")
                    module_doc.write(f"Source: [{file}]({path_url}/{file})\n\n")

    # Create sidebar.js
    with open(".vuepress/sidebar.js", "w") as sidebar_file:
        sidebar_entries_str = ",\n".join(sidebar_entries)
        sidebar_file.write(f"export default [\n{sidebar_entries_str}\n]")


if __name__ == "__main__":
    main()