"""기술지원 문의 요청 API."""

from fastapi import APIRouter, Request

from common_util.common_util_auth import get_optional_session
from common_util.common_util_email import send_email_background
from common_util.common_util_email_templates import support_request_email
from config.config_db import get_db_pool
from config.config_system import ADMIN_EMAIL

from .A08_Support_Schema import SupportRequestPayload

router = APIRouter(prefix="/api/a08", tags=["Support"])


async def _get_company_name(company_id: int | None) -> str | None:
    """회사 ID로 회사명을 조회한다. 없으면 None."""
    if not company_id:
        return None
    pool = get_db_pool()
    async with pool.acquire() as connection, connection.cursor() as cursor:
        await cursor.execute("SELECT name FROM companies WHERE id = %s", (company_id,))
        row = await cursor.fetchone()
        return row[0] if row else None


@router.post("/support")
async def submit_support_request(payload: SupportRequestPayload, request: Request):
    """기술지원 문의 요청 접수 및 메일 발송.

    로그인 상태면 세션의 회사 정보를 연결하고, 비로그인이면 고객이 입력한 값만 저장한다.
    """
    # 로그인 상태면 회사 정보 연결 (비로그인이면 None)
    session = await get_optional_session(request)
    company_id = session["company_id"] if session else None
    company_name = await _get_company_name(company_id)

    pool = get_db_pool()
    async with pool.acquire() as connection, connection.cursor() as cursor:
        await cursor.execute(
            """INSERT INTO support_requests
               (company_id, company_name, user_name, user_email, user_phone, subject, message)
               VALUES (%s, %s, %s, %s, %s, %s, %s)""",
            (
                company_id,
                company_name,
                payload.name,
                payload.email,
                payload.phone,
                payload.subject,
                payload.message,
            ),
        )
        await connection.commit()

    # 관리자에게 문의 알림 메일 발송
    if ADMIN_EMAIL:
        subject, html = support_request_email(
            payload.name,
            payload.email,
            payload.phone,
            company_name,
            payload.subject,
            payload.message,
        )
        send_email_background(ADMIN_EMAIL, subject, html)

    return {"status": "success", "message": "문의가 접수되었습니다. 곧 연락드리겠습니다."}