#!/usr/bin/env python3

import chevron
import datetime
import os
import markdown
import shutil
import sys
import tempfile
import yaml

def main(projects_yaml, static_dir, template_dir, output_file=None):
    with open(projects_yaml) as f:
        project_data = yaml.safe_load(f)

    project_data['header'] = markdown.markdown(project_data['header'])
    for p in project_data['projects']:
        p['text'] = markdown.markdown(p['text'])
        for s in p.get('stuff', ()):
            s['text'] = markdown.markdown(s['text'])

    with open(os.path.join(static_dir, 'main.css')) as f:
        css = f.read()
    with open(os.path.join(static_dir, 'main.js')) as f:
        javascript = f.read()

    with open(os.path.join(template_dir, 'main.mustache')) as f:
        template = f.read()

    year = datetime.datetime.now().year

    index_html = chevron.render(
        template=template,
        data={
            'css': css,
            'javascript': javascript,
            'project_data': project_data,
            'copyright': f'© {year} Getty Ritter'
        },
    )

    if not output_file or output_file == '-':
        print(index_html)
        return

    with tempfile.TemporaryDirectory() as tmpdir:
        with open(os.path.join(tmpdir, 'index.html'), 'w') as f:
            print(index_html, file=f)
        shutil.copyfile(
            os.path.join(static_dir, 'raleway.ttf'),
            os.path.join(tmpdir, 'raleway.ttf'),
        )
        shutil.make_archive('output', 'zip', tmpdir)
        shutil.move('output.zip', output_file)

if __name__ == '__main__':
    if len(sys.argv) not in (4, 5):
        print(
            f"{sys.argv[0]}: [project.yaml] [static/] [templates/] [output-zip]",
            file=sys.stderr,
        )
        sys.exit(1)
    main(*sys.argv[1:])