"""公开 API：附件上传、反馈/建言提交、热线/二维码读取（无需登录）。"""
from typing import Annotated, Optional

from fastapi import APIRouter, Depends, File, Form, UploadFile
from sqlalchemy.orm import Session

from app.core import storage
from app.core.database import get_db
from app.core.response import AppHTTPError, success_response
from app.core.storage import StorageError
from app.core.storage import _normalize_folder
from app.core.upload_validate import validate_upload
from app.crud import attachment as attachment_crud
from app.schemas.business import FeedbackCreateBody, SuggestionCreateBody
from app.services import config_service, feedback_service, suggestion_service

router = APIRouter(prefix="/public", tags=["public"])

PUBLIC_UPLOAD_FOLDERS = frozenset({"feedback", "suggestion"})


@router.post("/attachment/upload")
async def upload_attachment(
    db: Annotated[Session, Depends(get_db)],
    file: UploadFile = File(...),
    folder: Optional[str] = Form(""),
):
    if not file or not file.filename:
        raise AppHTTPError(400, "请选择文件")
    try:
        folder_norm = _normalize_folder(folder or "")
    except StorageError as exc:
        raise AppHTTPError(400, exc.message) from exc
    if folder_norm not in PUBLIC_UPLOAD_FOLDERS:
        raise AppHTTPError(400, "不允许的上传目录")
    content = await file.read()
    validate_upload(file.filename, content)
    try:
        stored = storage.upload_file(content, file.filename, folder_norm)
    except StorageError as exc:
        raise AppHTTPError(400, exc.message) from exc
    row = attachment_crud.create_attachment(
        db,
        file_name=file.filename,
        object_key=stored["objectKey"],
        url=stored["url"],
        size=len(content),
    )
    return success_response(
        {
            "id": row.id,
            "url": row.url,
            "fileName": row.file_name,
            "size": row.size,
        }
    )


@router.get("/hotline")
def get_hotline(db: Annotated[Session, Depends(get_db)]):
    return success_response(config_service.get_hotline_payload(db))


@router.get("/qrcode")
def get_qrcode(db: Annotated[Session, Depends(get_db)]):
    return success_response(config_service.get_qrcode_payload(db))


@router.post("/feedback")
def submit_feedback(
    body: FeedbackCreateBody,
    db: Annotated[Session, Depends(get_db)],
):
    data = feedback_service.submit_feedback(
        db,
        fb_type=body.fb_type,
        content=body.content,
        target_name=body.target_name,
        target_dept=body.target_dept,
        target_post=body.target_post,
        reporter_name=body.reporter_name,
        reporter_unit=body.reporter_unit,
        reporter_post=body.reporter_post,
        reporter_phone=body.reporter_phone,
        attachment_urls=body.attachment_urls,
    )
    return success_response(data)


@router.post("/suggestion")
def submit_suggestion(
    body: SuggestionCreateBody,
    db: Annotated[Session, Depends(get_db)],
):
    data = suggestion_service.submit_suggestion(
        db,
        content=body.content,
        contact_name=body.contact_name,
        contact_unit=body.contact_unit,
        contact_post=body.contact_post,
        contact_phone=body.contact_phone,
        attachment_urls=body.attachment_urls,
    )
    return success_response(data)