#!/usr/bin/python3

import argparse
import os
import sys

import chapters
import fragments
import helper

# Compiles a presentation in the given language from the given directory and
# stores it in a corresponding slides.lang.html file inside the same directory.
def compile(root, language='en', force_recompile=False):
    wrapper = open(os.path.join(root, 'layouts/root.html'), 'r').read()
    compiled_chapters = chapters.compile_chapters(root, language, force_recompile)
    wrapper = wrapper.replace('@slides', compiled_chapters)
    wrapper = helper.insert_metadata(wrapper, root, language)
    wrapper = fragments.defragmentize(wrapper)
    with open(os.path.join(root, 'slides.' + language + '.html'), 'w+') as output:
        output.write(wrapper)
    print('done')

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument("rootdirectory", help="your project's root directory")
    parser.add_argument("-l", "--language", default="all", help="the presentation language (default: all)")
    parser.add_argument("-f", "--force-recompile", action='store_true', help="recompiling the entire presentation without caches")

    args = parser.parse_args()
    force_recompile = False or args.force_recompile

    if args.language == "all":
        for language in helper.get_available_languages(args.rootdirectory):
            compile(args.rootdirectory, language=language, force_recompile=force_recompile)
    else:
        compile(args.rootdirectory, language=args.language, force_recompile=force_recompile)