"""B01 대시보드 홈 API (PLAN 547) — 프로젝트 카드 요약 · 역할별 홈."""

from typing import Any

import aiomysql
from fastapi import APIRouter, Depends, Query

from common_util.common_util_auth import verify_session
from config.config_db import get_db_pool

from .B01_Dashboard_Summary import project_summaries

router = APIRouter(prefix="/api/dashboard", tags=["B01_Dashboard"])

SUMMARY_LIMIT = 200


async def visible_project_ids(session: dict[str, Any]) -> list[str]:
    """보이는 프로젝트(최근 수정 순) — 시스템 관리자 = 전부 · 회사 = 회사 전체 · 없으면 내 것."""
    where, args = "p.deleted_at IS NULL", ()
    if session["role"] != "SYSTEM_ADMIN":
        if session.get("company_id"):
            where, args = where + " AND p.company_id = %s", (int(session["company_id"]),)
        else:
            where, args = where + " AND p.user_id = %s", (int(session["user_id"]),)
    pool = get_db_pool()
    async with pool.acquire() as connection, connection.cursor(aiomysql.DictCursor) as cursor:
        await cursor.execute(
            f"SELECT p.id FROM projects p WHERE {where} "
            "ORDER BY p.updated_at DESC, p.created_at DESC",
            args,
        )
        return [str(r["id"]) for r in await cursor.fetchall()]


@router.get("/projects/summary")
async def projects_summary(
    ids: str | None = Query(None, max_length=8000, description="쉼표로 이은 프로젝트 id"),
    session: dict[str, Any] = Depends(verify_session),
):
    """카드 요약 — ids 없으면 보이는 프로젝트 전부(최근 수정 순) · 안 보이는 id 는 빠짐."""
    visible = await visible_project_ids(session)
    if ids:
        allowed = set(visible)
        wanted = dict.fromkeys(pid.strip() for pid in ids.split(","))
        visible = [pid for pid in wanted if pid in allowed]
    return {"status": "success", "projects": await project_summaries(visible[:SUMMARY_LIMIT])}