#!/usr/bin/env python3

import subprocess
import pathlib
import argparse
import datetime
import tempfile
import tomllib

def create_issue(issue_number):
	subprocess.run(['hugo', 'new', f'weekly/issue-{issue_number}/_index.md'])

def create_issue_image(site_title, issue_number, period_start, period_end):
	with open('assets/img/cover-template.svg') as f:
		cover_template = f.read()

	cover_template = cover_template.replace('__SITE__', site_title)
	cover_template = cover_template.replace('__ISSUE__', issue_number)
	cover_template = cover_template.replace('__DATE__', f'{period_start} - {period_end}')

	with tempfile.TemporaryDirectory() as tempdir:
		cover_path = pathlib.Path(tempdir) / 'cover.svg'
		with open(cover_path, 'w') as f:
			f.write(cover_template)

		subprocess.run(['inkscape', str(cover_path), '-e', f'content/weekly/issue-{issue_number}/cover.png'])
		

def get_latest_issue():
	issues = list(pathlib.Path('content/weekly').iterdir())
	latest_issue = max(issues, key=lambda x: int(x.name.split('-')[1]))
	return latest_issue.name.split('-')[1]

if __name__ == '__main__':
	with open('hugo.toml', "rb") as f:
		hugo_config = tomllib.load(f)

	parser = argparse.ArgumentParser(description='Create a new issue')
	parser.add_argument('--issue', type=int, help='Issue number')
	args = parser.parse_args()

	if args.issue:
		new_issue = args.issue
	else:
		latest_issue = get_latest_issue()
		new_issue = int(latest_issue) + 1

	period_start = datetime.datetime.now().strftime('%Y-%m-%d')
	period_end = (datetime.datetime.now() + datetime.timedelta(days=7)).strftime('%Y-%m-%d')

	create_issue(new_issue)