"""
Unified entry point.

Re-exports from sub-modules for backward compatibility.
"""

import logging

from prompt import build_analysis_prompt, language_rule
from llm import query_analysis

__all__ = ["language_rule", "build_analysis_prompt", "query_analysis"]

logger = logging.getLogger(__name__)


def _setup_logging() -> None:
    """配置日志格式和级别，同时输出到终端和文件。"""
    from pathlib import Path

    log_path = Path(__file__).parent.parent / "llmwiki.log"

    formatter = logging.Formatter(
        "%(asctime)s [%(levelname)s] %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )

    file_handler = logging.FileHandler(log_path, encoding="utf-8")
    file_handler.setFormatter(formatter)

    stream_handler = logging.StreamHandler()
    stream_handler.setFormatter(formatter)

    logging.basicConfig(
        level=logging.INFO,
        format="%(asctime)s [%(levelname)s] %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
        handlers=[file_handler, stream_handler],
    )


def main() -> None:
    """执行入口：遍历 raw 目录，对每个源文件进行分析。"""
    import sys
    from pathlib import Path

    _setup_logging()

    from config import load_config

    config = load_config()
    raw_dir = Path(config.get("raw_dir", "raw"))
    wiki_dir = Path(config.get("wiki_dir", "wiki"))

    # 读取 wiki 上下文
    purpose_path = wiki_dir / "purpose.md"
    index_path = wiki_dir / "index.md"

    purpose = purpose_path.read_text(encoding="utf-8") if purpose_path.exists() else ""
    index = index_path.read_text(encoding="utf-8") if index_path.exists() else ""

    logger.info("purpose.md: %s", "已加载" if purpose else "未找到")
    logger.info("index.md: %s", "已加载" if index else "未找到")

    # 收集 raw 目录下的 .md 文件
    md_files = sorted(raw_dir.rglob("*.md"))
    if not md_files:
        logger.info("未找到 %s 下的 .md 文件", raw_dir)
        sys.exit(0)

    logger.info("共发现 %d 个源文件", len(md_files))

    for fp in md_files:
        source_content = fp.read_text(encoding="utf-8")
        logger.info("=" * 60)
        logger.info("分析: %s", fp.relative_to(raw_dir.parent))
        logger.info("=" * 60)

        try:
            result = query_analysis(
                purpose=purpose,
                index=index,
                source_content=source_content,
            )
            logger.info("分析完成，结果长度: %d 字符", len(result))
            logger.info("结果: %s", result)
        except Exception as e:
            logger.error("分析失败: %s", e, exc_info=True)
            sys.exit(1)


if __name__ == "__main__":
    main()