#!/usr/bin/env python3
import argparse
from pathlib import Path
from data import name2set

DECK_TEMPLATE = \
"""\\documentclass[a4paper,landscape]{{article}}
\\usepackage[margin=6mm,top=5mm]{{geometry}}
\\input{{libs.tex}}
\\input{{colors.tex}}
\\input{{tikzcards.tex}}
\\usepackage{{standalone}}
\\begin{{document}}
\\begin{{center}}
\\pagestyle{{empty}}
{CARDS}
\\end{{center}}
\\end{{document}}"""


def generate_markdown(deck: list[str], language='en', indentation=0):  # pylint: disable=W0613
    """Output a markdown enumeration"""
    m = []
    for line in deck:
        line = line.strip()
        amount, card = line.split(' ', maxsplit=1)
        m += [f'{indentation}* {card}'] * int(amount)
    return ''.join(m)


def generate_latex(deck: list[str], language='en'):
    """Generate a document containing all included cards"""

    cards = []
    for line in deck:
        line = line.strip()
        amount, card = line.split(' ', maxsplit=1)
        card = card.replace(' ', '_').lower()
        containing_set = name2set(card)
        for _ in range(int(amount)):
            cards.append(
                f'\\includestandalone{{cards/{language}/{containing_set}/{card}}}'
            )
    print(DECK_TEMPLATE.format(CARDS='\n'.join(cards)))


def main():
    """Generate one standalone tikz picture for each card in the input data"""

    parser = argparse.ArgumentParser(
        description='generate decks from deck descriptions')
    parser.add_argument(
        'deck',
        help=
        'deck file or directory containing deck files defining the decks to generate'
    )
    parser.add_argument('--format',
                        choices=['latex', 'markdown'],
                        default='latex',
                        help='output format')
    parser.add_argument('--language',
                        choices=['en', 'de'],
                        default='en',
                        help='the language of the cards to output')

    args = parser.parse_args()

    data_files = [args.deck]
    data_path = Path(args.deck)
    if data_path.is_dir():
        data_files = data_path.glob('*.deck')

    for data_file in data_files:
        with open(data_file, 'r', encoding="utf8") as deck_file:
            deck = deck_file.readlines()

        if args.format == 'latex':
            generate_latex(deck, language=args.language)
        elif args.format == 'markdown':
            generate_markdown(deck, language=args.language)


if __name__ == '__main__':
    main()