import json
import os
import re
import requests
import toml
from shutil import copytree, rmtree


def parse_for_toc(content):
    # TODO: ADD .TableofContent directly to the page (see hugo theme ?)
    content = content.replace("[TOC]", "")
    return content


def parse_for_notice(content):
    result = re.findall(":::warning.*?:::", content, re.MULTILINE | re.DOTALL)
    for notice in result:
        old = notice
        content = content.replace(
            old,
            notice.replace(":::warning", '{{% alert context="warning" %}}').replace(
                ":::", "{{% /alert %}}"
            ),
        )
    result = re.findall(":::info.*?:::", content, re.MULTILINE | re.DOTALL)
    for notice in result:
        old = notice
        content = content.replace(
            old,
            notice.replace(":::info", '{{% alert context="info" %}}').replace(
                ":::", "{{% /alert %}}"
            ),
        )
    result = re.findall(":::success.*?:::", content, re.MULTILINE | re.DOTALL)
    for notice in result:
        old = notice
        content = content.replace(
            old,
            notice.replace(":::success", '{{% alert context="success" %}}').replace(
                ":::", "{{% /alert %}}"
            ),
        )
    result = re.findall(":::danger.*?:::", content, re.MULTILINE | re.DOTALL)
    for notice in result:
        old = notice
        content = content.replace(
            old,
            notice.replace(":::danger", '{{% alert context="danger" %}}').replace(
                ":::", "{{% /alert %}}"
            ),
        )
    # print(content)
    return content


def create_index_file(dir_path, dir_name):
    #add _index.md for page organization
    with open(dir_path + "/_index.md", "wb") as f:
        print("Created", dir_path + "/_index.md")
        index = """
+++
title = "{dir_name}"
chapter = true
weight = 5
+++

# {dir_name}

Discover what this Hugo theme is all about and the core-concepts behind it.
            """.format(
            dir_name=dir_name
        )
        f.write(b"%s" % index.encode("utf-8"))


def generate_directory_structure_and_files(node, parent_path="./content/"):
    if "children" in node:
        # If the node has children, it's a directory
        dir_path = os.path.join(parent_path, node["technical_name"])
        os.makedirs(dir_path, exist_ok=True)  # Create directory
        create_index_file(dir_path, node["name"])
        for child in node["children"]:
            generate_directory_structure_and_files(child, parent_path=dir_path)
    elif "url" in node:
        # If the node has a URL, it's a document
        file_path = os.path.join(parent_path, node["technical_name"] + ".md")
        link_url = node["url"]
        if link_url:
            with open(file_path, "wb") as f:
                doc_link = link_url + "/download"
                response = requests.get(doc_link)
                hugo_header = '---\ntitle: "' + node["name"] + '"\n---\n\n'
                content = parse_for_notice(
                    response.content.decode("utf-8")
                ).encode("utf-8")
                content = parse_for_toc(content.decode("utf-8")).encode("utf-8")
                f.write(hugo_header.encode("utf-8"))
                f.write(content.replace(b"---", b""))
                print("Downloaded", doc_link, "to", file_path)


def generate_book_layout(node):
    """Copy the defaults layout repository 'docs' for the new/other books"""
    layout_dir = "./themes/lotusdocs/layouts/"
    layout_docs_dir = os.path.join(layout_dir, "docs")
    layout_book_dir = os.path.join(layout_dir, node["technical_name"])
    # copy book layout folder from "layouts/docs" if it doesn't exist
    if not os.path.exists(layout_book_dir):
        # create the layout for the book
        copytree(layout_docs_dir, layout_book_dir)


def generate_book_menu(node, weight):
    """Generate the menu displayed in the home page"""
    book_config = {
                "name": node["name"],
                "url": node["technical_name"] + "/",
                "identifier": node["technical_name"],
                "weight": weight,
            }
    return book_config

def generate_book_config(node):
    """Generate configuration for each book"""
    book_config = {
                    "title": node["name"],
                    "darkMode": True
                }
    return book_config


def parse_json_file(json_file_path):
    content_dir = "./content/"
    config_path ="./hugo.toml"
    # new_config_path = "./config_new.toml" # TO DELETE WHEN SCRIPT FINISHED
    config_data_dict = toml.load(config_path)

    # Retrieve the init json data
    with open(json_file_path, 'r') as json_file:
        json_data = json.load(json_file)

    
    if not os.path.exists(content_dir):
        # Create content directory if it doesn't exist
        os.makedirs(content_dir)
    else:
        # Delete the content directories files and sub-directories
        rmtree(content_dir)

    nb_books = 0
    primary_menu = []
    books_config = []
    config_data_dict.update({"params": {}})
    # Loop on the json structure to build repositories and files
    for book_node in json_data["books"]:
        nb_books +=1
        generate_directory_structure_and_files(book_node)
        generate_book_layout(book_node)
        primary_menu.append(generate_book_menu(book_node, nb_books))
        # books_config.append(generate_book_config(book_node))
        config_data_dict["params"]["%s" % book_node["technical_name"]] = generate_book_config(book_node)
        

    # Add the primary menu data to the whole config
    config_data_dict.update({"menu": {"primary": primary_menu}})
    #config_data_dict.update({"params": {"primary": primary_menu}})            
    print("WHOLE CONFIG")
    print(config_data_dict)
    
    # Replace the config.toml content with the new params
    with open(config_path, 'w') as toml_file:
        toml.dump(config_data_dict, toml_file)



parse_json_file("structure.json")