"""小程序/门户登录态 · 司机运输计划单"""
from __future__ import annotations

from typing import Optional

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

from app.core.database import get_db
from app.core.db_auth import DbUserContext, get_db_current_user
from app.core.response import error_response, success_response
from app.core.tenant_context import get_tenant_no
from app.schemas.pl.transport import (
    PublicTransportDriverStopFeedback,
    PublicTransportFeedback,
)
from app.services import pl_driver_plan_service as drv_svc

router = APIRouter(prefix="/driver-plan", tags=["运输计划-司机计划单"])


def _resolve_personnel_or_empty(db: Session, user: DbUserContext, tenant_no: str):
    return drv_svc.resolve_personnel_for_user(
        db, tenant_no=tenant_no, user_id=user.id
    )


@router.get("/history")
def get_driver_plan_history(
    date: str = Query(..., description="筛选日 YYYY-MM-DD"),
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    page, err = drv_svc.build_driver_history_page(
        db,
        tenant_no=tenant_no,
        user_id=user.id,
        date_str=date,
    )
    if err:
        return error_response(400, err)
    return success_response(page.model_dump(by_alias=True))


@router.get("/calendar-counts")
def get_driver_plan_calendar_counts(
    month: str = Query(..., description="月份 YYYY-MM"),
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    counts, err = drv_svc.build_driver_calendar_counts(
        db,
        tenant_no=tenant_no,
        user_id=user.id,
        month_str=month,
    )
    if err:
        return error_response(400, err)
    return success_response({"month": month, "counts": counts or {}})


@router.get("/{plan_id}")
def get_driver_plan_detail(
    plan_id: str,
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    personnel = _resolve_personnel_or_empty(db, user, tenant_no)
    if not personnel:
        raise HTTPException(status_code=404, detail="未关联驾押人员，无法查看")
    page, err = drv_svc.build_driver_page_for_plan(
        db,
        tenant_no=tenant_no,
        plan_id=plan_id,
        personnel_id=personnel.id,
    )
    if err or page is None:
        raise HTTPException(status_code=404, detail=err or "计划不存在")
    return success_response(page.model_dump(by_alias=True))


@router.post("/{plan_id}/ensure-copy-seq")
def ensure_driver_plan_copy_seq(
    plan_id: str,
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    personnel = _resolve_personnel_or_empty(db, user, tenant_no)
    if not personnel:
        raise HTTPException(status_code=404, detail="未关联驾押人员，无法查看")
    seq, err = drv_svc.ensure_copy_seq_for_driver(
        db,
        tenant_no=tenant_no,
        plan_id=plan_id,
        personnel_id=personnel.id,
    )
    if err or seq is None:
        raise HTTPException(status_code=404, detail=err or "计划不存在")
    db.commit()
    return success_response({"copySeqNo": seq})


@router.post("/{plan_id}/feedback")
def save_driver_plan_feedback(
    plan_id: str,
    payload: PublicTransportFeedback,
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    personnel = _resolve_personnel_or_empty(db, user, tenant_no)
    if not personnel:
        return error_response(400, "未关联驾押人员，无法提交回执")
    ok, msg = drv_svc.save_driver_feedback_for_plan(
        db,
        tenant_no=tenant_no,
        plan_id=plan_id,
        personnel_id=personnel.id,
        payload=payload,
    )
    if not ok:
        return error_response(400, msg or "保存失败")
    db.commit()
    return success_response({"success": True, "message": "保存成功"})


@router.post("/{plan_id}/driver-feedback")
def save_driver_plan_stop_feedback(
    plan_id: str,
    payload: PublicTransportDriverStopFeedback,
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    personnel = _resolve_personnel_or_empty(db, user, tenant_no)
    if not personnel:
        return error_response(400, "未关联驾押人员，无法提交回执")
    ok, msg = drv_svc.save_driver_stop_feedback_for_plan(
        db,
        tenant_no=tenant_no,
        plan_id=plan_id,
        personnel_id=personnel.id,
        payload=payload,
    )
    if not ok:
        return error_response(400, msg or "保存失败")
    db.commit()
    return success_response({"success": True, "message": "保存成功"})


@router.post("/{plan_id}/attachments")
def upload_driver_plan_attachment(
    plan_id: str,
    file: UploadFile = File(...),
    folder: Optional[str] = Form(""),
    db: Session = Depends(get_db),
    user: DbUserContext = Depends(get_db_current_user),
):
    tenant_no = get_tenant_no(db, user.to_tenant_user_dict())
    personnel = _resolve_personnel_or_empty(db, user, tenant_no)
    if not personnel:
        return error_response(400, "未关联驾押人员，无法上传附件")
    data, err = drv_svc.upload_driver_attachment_for_plan(
        db,
        tenant_no=tenant_no,
        plan_id=plan_id,
        personnel_id=personnel.id,
        file=file,
        folder=folder or "",
    )
    if err:
        code, msg = err
        return error_response(code, msg)
    return success_response(data)