from __future__ import annotations

from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.deps import get_db_session, require_roles
from app.schemas.email_settings import (
    EmailDomainCreateRequest,
    EmailSettingsListResponse,
    EmailSettingsRead,
    EmailSettingsUpdate,
    EmailTestRequest,
)
from app.services import email_service

router = APIRouter(prefix="/email-settings")


@router.get("/", response_model=EmailSettingsListResponse)
async def read_email_settings(
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
) -> EmailSettingsListResponse:
    items = [email_service.to_email_settings_read(row) for row in await email_service.list_email_settings(db)]
    return EmailSettingsListResponse(items=items, total=len(items))


@router.post("/", response_model=EmailSettingsRead)
async def create_email_domain(
    payload: EmailDomainCreateRequest,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
) -> EmailSettingsRead:
    settings_row = await email_service.create_email_domain(db, payload.register_domain, updated_by=current_user.id)
    return email_service.to_email_settings_read(settings_row)


@router.get("/{register_domain}", response_model=EmailSettingsRead)
async def read_email_domain_settings(
    register_domain: str,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
) -> EmailSettingsRead:
    return email_service.to_email_settings_read(await email_service.get_email_settings(db, register_domain))


@router.put("/{register_domain}", response_model=EmailSettingsRead)
async def update_email_settings(
    register_domain: str,
    payload: EmailSettingsUpdate,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
) -> EmailSettingsRead:
    settings_row = await email_service.upsert_email_settings(db, register_domain, payload, updated_by=current_user.id)
    return email_service.to_email_settings_read(settings_row)


@router.delete("/{register_domain}")
async def delete_email_domain(
    register_domain: str,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
):
    await email_service.delete_email_domain(db, register_domain)
    return {"message": "邮箱后缀已删除"}


@router.post("/{register_domain}/test")
async def test_email_settings(
    register_domain: str,
    payload: EmailTestRequest,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(require_roles(["ADMIN"])),
):
    await email_service.send_test_email(db, register_domain, str(payload.recipient_email))
    return {"message": "测试邮件已发送"}