"""先在 Gitea Wiki 创建任务归档，再登记并导出本地镜像。"""

from __future__ import annotations

import argparse
import re
from datetime import date
from pathlib import Path

from wiki_docs import (
    DEFAULT_CONFIG,
    Mapping,
    WikiClient,
    WikiDocsError,
    append_mapping,
    load_config,
    sync_all,
)


def safe_title(title: str) -> str:
    """把标题转换为适合 Wiki 页面名和 Windows 文件名的短文本。"""

    cleaned = re.sub(r'[<>:"/\\|?*]', "-", title.strip())
    cleaned = re.sub(r"\s+", "-", cleaned)
    cleaned = re.sub(r"-+", "-", cleaned)
    return cleaned.strip(".-")


def build_archive(
    template: str,
    issue_number: str,
    title: str,
    page_name: str,
    issue_url: str,
) -> str:
    content = template.replace("<工单号>", issue_number, 1)
    content = content.replace("<标题>", title.strip(), 1)
    content = content.replace("YYYY-MM-DD", date.today().isoformat(), 1)
    content = content.replace("<链接>", issue_url, 1)
    return content.replace("<页面名>", page_name, 1)


def main() -> int:
    parser = argparse.ArgumentParser(
        description="在 Gitea Wiki 创建任务归档并导出 docs/task 镜像"
    )
    parser.add_argument("issue_number", help="Gitea 工单号，例如 123")
    parser.add_argument("title", help="简短任务标题")
    parser.add_argument("--config", default=str(DEFAULT_CONFIG), help="Wiki 映射配置")
    args = parser.parse_args()

    short_title = safe_title(args.title)
    if not args.issue_number.isdigit():
        print("错误：工单号必须是数字")
        return 1
    if not short_title:
        print("错误：标题不能为空")
        return 1

    try:
        config = load_config(Path(args.config).resolve())
        page_name = f"Task-{args.issue_number}-{short_title}"
        local_path = f"docs/task/{args.issue_number}-{short_title}.md"
        mapping = Mapping(page=page_name, path=local_path)
        if any(
            item.page == mapping.page or item.path == mapping.path
            for item in config.mappings
        ):
            raise WikiDocsError(f"任务归档已经登记：{page_name}")

        client = WikiClient(config)
        template = client.get_page("Task-Archive-Template").text
        issue_url = (
            f"{config.gitea_url}/{config.owner}/{config.repository}/issues/"
            f"{args.issue_number}"
        )
        content = build_archive(
            template, args.issue_number, args.title, page_name, issue_url
        )
        page = client.create_page(
            page_name,
            content,
            f"docs: 创建任务 #{args.issue_number} 归档草稿",
        )
        append_mapping(config, mapping)
        updated_config = load_config(config.path)
        messages = sync_all(updated_config, client)
    except WikiDocsError as exc:
        print(f"错误：{exc}")
        return 1

    print(f"已创建 Wiki：{page.html_url}")
    for message in messages:
        print(message)
    print(f"已登记镜像：{local_path}")
    return 0


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