"""Wiki.js Debate Tool — AG용 Wiki.js 읽기/쓰기 CLI.

사용법:
  python tools/wiki_debate.py read  <page-path>
  python tools/wiki_debate.py write <page-path> <content>
  python tools/wiki_debate.py write-file <page-path> <file-path>

예시:
  python tools/wiki_debate.py read debates/frtb/input-gemini
  python tools/wiki_debate.py write debates/frtb/response-gemini "SA 방식을 제안합니다..."
  python tools/wiki_debate.py write-file debates/frtb/response-gemini response_draft.md
"""

import asyncio
import httpx
import io
import os
import sys
from pathlib import Path

# .env 로드 (여러 후보 경로에서 탐색)
_candidates = [
    Path(__file__).parent.parent / ".env",   # tools/../.env (배포 위치)
    Path.cwd() / ".env",                     # CWD/.env
    Path.cwd().parent / ".env",              # CWD/../.env
]
for _env_path in _candidates:
    if _env_path.exists():
        for line in _env_path.read_text(encoding="utf-8").splitlines():
            line = line.strip()
            if not line or line.startswith("#"):
                continue
            if "=" in line:
                key, _, value = line.partition("=")
                value = value.strip()
                if len(value) >= 2 and value[0] == value[-1] and value[0] in ('"', "'"):
                    value = value[1:-1]
                os.environ.setdefault(key.strip(), value)
        break  # 첫 번째 .env만 사용

WIKI_URL = os.getenv("WIKI_URL", "https://wiki.variet.net")
WIKI_API_KEY = os.getenv("WIKI_API_KEY", "")
GRAPHQL_ENDPOINT = f"{WIKI_URL}/graphql"


async def _query(query: str, variables: dict = None) -> dict:
    """GraphQL 쿼리 실행."""
    headers = {
        "Authorization": f"Bearer {WIKI_API_KEY}",
        "Content-Type": "application/json",
    }
    payload = {"query": query}
    if variables:
        payload["variables"] = variables

    async with httpx.AsyncClient(timeout=15.0) as client:
        resp = await client.post(GRAPHQL_ENDPOINT, json=payload, headers=headers)
        resp.raise_for_status()
        data = resp.json()

    if "errors" in data and data["errors"]:
        raise RuntimeError(f"Wiki.js 오류: {data['errors'][0].get('message', data['errors'])}")
    return data.get("data", {})


async def read_page(path: str) -> str:
    """경로로 페이지 읽기 (singleByPath)."""
    query = """
    query ($path: String!) {
        pages { singleByPath(path: $path, locale: "ko") {
            id, path, title, content
        }}
    }
    """
    data = await _query(query, {"path": path})
    page = data.get("pages", {}).get("singleByPath")
    if not page:
        return f"[오류] 페이지를 찾을 수 없습니다: {path}"
    return page.get("content", "")


async def write_page(path: str, content: str) -> str:
    """경로에 페이지 쓰기 (upsert)."""
    # 기존 페이지 확인
    find_query = """
    query ($path: String!) {
        pages { singleByPath(path: $path, locale: "ko") {
            id, tags { tag }
        }}
    }
    """
    data = await _query(find_query, {"path": path})
    existing = data.get("pages", {}).get("singleByPath")

    if existing:
        # 수정
        tags = [t["tag"] for t in existing.get("tags", [])]
        update_query = """
        mutation ($id: Int!, $content: String!, $tags: [String!]) {
            pages { update(id: $id, content: $content, tags: $tags) {
                responseResult { succeeded, message }
            }}
        }
        """
        result = await _query(update_query, {
            "id": existing["id"], "content": content, "tags": tags,
        })
        ok = result["pages"]["update"]["responseResult"]["succeeded"]
        msg = result["pages"]["update"]["responseResult"]["message"]
        return f"✅ 수정 완료 (id: {existing['id']})" if ok else f"❌ 수정 실패: {msg}"
    else:
        # 생성
        title = path.split("/")[-1].replace("-", " ").title()
        create_query = """
        mutation ($content: String!, $path: String!, $title: String!,
                  $description: String!, $tags: [String!]!) {
            pages { create(
                content: $content, description: $description,
                editor: "markdown", isPublished: true, isPrivate: false,
                locale: "ko", path: $path, tags: $tags, title: $title
            ) {
                responseResult { succeeded, message }
                page { id }
            }}
        }
        """
        result = await _query(create_query, {
            "content": content, "path": path, "title": title,
            "description": title, "tags": ["debate"],
        })
        ok = result["pages"]["create"]["responseResult"]["succeeded"]
        if ok:
            pid = result["pages"]["create"]["page"]["id"]
            return f"✅ 생성 완료 (id: {pid})"
        return f"❌ 생성 실패: {result['pages']['create']['responseResult']['message']}"


async def main():
    if sys.stdout.encoding != "utf-8":
        sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", errors="replace")

    args = sys.argv[1:]
    if len(args) < 2:
        print(__doc__)
        return

    cmd, path = args[0], args[1]

    if cmd == "read":
        content = await read_page(path)
        print(content)

    elif cmd == "write" and len(args) > 2:
        content = " ".join(args[2:])
        result = await write_page(path, content)
        print(result)

    elif cmd == "write-file" and len(args) > 2:
        file_path = Path(args[2])
        if not file_path.exists():
            print(f"❌ 파일을 찾을 수 없습니다: {file_path}")
            return
        content = file_path.read_text(encoding="utf-8")
        result = await write_page(path, content)
        print(result)

    else:
        print(__doc__)


if __name__ == "__main__":
    asyncio.run(main())