#!/usr/bin/env python3

import argparse
import calendar
import os

import jinja2


def main():
    env = jinja2.Environment()
    loader = jinja2.FileSystemLoader('templates')
    template_verso = loader.load(env, 'week_on_two_pages-A6-v.svg')
    template_recto = loader.load(env, 'week_on_two_pages-A6-r.svg')

    os.makedirs("build", exist_ok=True)

    year = 2022

    cal = calendar.Calendar()
    weeks = sum([r[0] for r in cal.yeardatescalendar(2022, width=1)], [])

    last_monday = None
    page = 1
    for week in weeks:
        # yeardatescalendar will have the same week twice at the margin
        # of a month, but we want to skip one of those
        if week[0] == last_monday:
            continue
        last_monday = week[0]

        with open("build/week_on_two_pages-A6-{year}-{page:02}.svg".format(
            year=year,
            page=page,
        ), 'w') as fp:
            fp.write(template_verso.render(week=week))
        page += 1

        with open("build/week_on_two_pages-A6-{year}-{page:02}.svg".format(
            year=year,
            page=page,
        ), 'w') as fp:
            fp.write(template_recto.render(week=week))
        page += 1


if __name__ == '__main__':
    main()