#!/usr/bin/env python3
"""Generate the external schema-1 release manifest for an existing archive."""

from __future__ import annotations

import argparse
from pathlib import Path
import sys

if __package__:
	from .repository_paths import ensure_project_imports
else:
	from repository_paths import ensure_project_imports

ensure_project_imports()
from scripts.release_lib import (  # noqa: E402
	ReleaseToolError,
	generate_manifest,
	load_config,
)


def build_parser() -> argparse.ArgumentParser:
	parser = argparse.ArgumentParser(description=__doc__)
	parser.add_argument("--version", required=True)
	parser.add_argument("--channel", required=True)
	parser.add_argument("--tag", required=True)
	parser.add_argument("--commit", required=True)
	parser.add_argument("--file-root", required=True, type=Path)
	parser.add_argument("--archive", required=True, type=Path)
	parser.add_argument("--output", required=True, type=Path)
	parser.add_argument("--repository-url", required=True)
	parser.add_argument("--published-at", required=True)
	parser.add_argument("--release-title")
	parser.add_argument("--release-summary-file", type=Path)
	parser.add_argument("--release-notes-url")
	parser.add_argument("--archive-layout", choices=("flat", "wrapped"))
	parser.add_argument("--minimum-updater-version")
	return parser


def main() -> int:
	arguments = build_parser().parse_args()
	release_notes = ""
	if arguments.release_summary_file is not None:
		try:
			release_notes = arguments.release_summary_file.read_text(encoding="utf-8")
		except (OSError, UnicodeError) as exc:
			print(f"Manifest generation failed: {exc}", file=sys.stderr)
			return 1
	try:
		generate_manifest(
			arguments.output,
			config=load_config(),
			file_root=arguments.file_root,
			archive=arguments.archive,
			version=arguments.version,
			channel=arguments.channel,
			tag=arguments.tag,
			commit=arguments.commit,
			repository_url=arguments.repository_url,
			release_timestamp=arguments.published_at,
			release_notes=release_notes,
			release_title=arguments.release_title,
			release_notes_url=arguments.release_notes_url,
			archive_layout=arguments.archive_layout,
			minimum_updater_version=arguments.minimum_updater_version,
		)
	except (OSError, ValueError, ReleaseToolError) as exc:
		print(f"Manifest generation failed: {exc}", file=sys.stderr)
		return 1
	print(arguments.output)
	return 0


if __name__ == "__main__":
	raise SystemExit(main())