"""
===============================================================================
FILE: modules/web_api/routers/manual_absences.py
ROLE: REST API эндпоинты для реестров "Мест. командир.", "Иное" и автокомплита.
===============================================================================
"""

from fastapi import APIRouter, HTTPException, Query
from pydantic import BaseModel
from typing import Optional, List, Dict, Any

from services.manual_absences_repo import (
    search_staff_suggestions,
    get_static_reasons,
    add_manual_absence,
    delete_manual_absence,
    get_manual_absences_list
)

router = APIRouter(prefix="/api/v1/manual-absences", tags=["Manual Absences"])


class AddAbsenceRequest(BaseModel):
    absence_type: str  # 'LOCAL_TRIP' или 'OTHER'
    fio: str
    reason: Optional[str] = ""
    department: Optional[str] = ""
    position: Optional[str] = ""
    date_start: Optional[str] = None
    date_end: Optional[str] = None
    comment: Optional[str] = ""


@router.get("/staff-autocomplete")
def api_staff_autocomplete(q: str = Query(..., min_length=2)):
    return search_staff_suggestions(q)


@router.get("/reasons")
def api_get_reasons():
    return {"reasons": get_static_reasons()}


@router.get("/")
def api_list_manual_absences(type: Optional[str] = None):
    return {"items": get_manual_absences_list(type)}


@router.post("/")
def api_add_manual_absence(req: AddAbsenceRequest):
    reason = req.reason or ("Местная командировка" if req.absence_type == "LOCAL_TRIP" else "Иное")
    res_id = add_manual_absence(
        absence_type=req.absence_type,
        fio=req.fio,
        reason=reason,
        department=req.department,
        position=req.position,
        date_start=req.date_start,
        date_end=req.date_end,
        comment=req.comment
    )
    if not res_id:
        raise HTTPException(status_code=400, detail="Не удалось добавить запись")
    return {"status": "success", "id": res_id}


@router.delete("/{item_id}")
def api_delete_manual_absence(item_id: int):
    if not delete_manual_absence(item_id):
        raise HTTPException(status_code=404, detail="Запись не найдена")
    return {"status": "success"}

class UpdateAbsenceDatesRequest(BaseModel):
    id: int
    date_start: Optional[str] = None
    date_end: Optional[str] = None

@router.put("/{item_id}")
def api_update_manual_absence(item_id: int, req: UpdateAbsenceDatesRequest):
    with get_connection() as conn:
        cursor = conn.cursor()
        cursor.execute("""
            UPDATE manual_absences 
            SET date_start = ?, date_end = ? 
            WHERE id = ?
        """, (req.date_start, req.date_end, item_id))
        conn.commit()
    return {"status": "success"}