import traceback
from fastapi import APIRouter, Request, Depends
from fastapi.responses import JSONResponse
from app.database import get_connection
from app.auth import get_current_user
from app.services.firebird_service import get_firebird_from_config

router = APIRouter(prefix="/debug-fb", tags=["debug"])


@router.get("/recepcion")
async def debug_recepcion(user: dict = Depends(get_current_user)):
    """Diagnóstico: qué hay en RECEPCION hoy sin filtros restrictivos."""
    try:
        conn = get_connection()
        cfg = {r["key"]: r["value"] for r in conn.execute("SELECT * FROM config").fetchall()}
        conn.close()

        fb, ok, msg = get_firebird_from_config(cfg)
        if not ok:
            return JSONResponse({"error": msg})

        result = {}

        # Últimas 5 recepciones sin ningún filtro
        ok1, _, rows1 = fb.execute_query(
            "SELECT FIRST 5 r.IDRECEPCION, r.FECHA_RECEPCION, r.HORAINICIORECEPCION, "
            "r.NUM_FACTURA, r.COD_PACIENTE "
            "FROM RECEPCION r ORDER BY r.IDRECEPCION DESC", None
        )
        result["ultimas_5_sin_filtro"] = list(rows1) if ok1 and rows1 else f"error: {rows1}"

        # Fecha actual en Firebird
        ok2, _, rows2 = fb.execute_query("SELECT CURRENT_DATE AS FH FROM RDB$DATABASE", None)
        result["current_date_firebird"] = rows2[0] if ok2 and rows2 else "error"

        # Cuántas recepciones de hoy (CURRENT_DATE) sin filtro NUM_FACTURA
        ok3, _, rows3 = fb.execute_query(
            "SELECT COUNT(*) AS CNT FROM RECEPCION r WHERE r.FECHA_RECEPCION = CURRENT_DATE", None
        )
        result["hoy_sin_filtro_factura"] = rows3[0] if ok3 and rows3 else "error"

        # Cuántas con NUM_FACTURA > 0
        ok4, _, rows4 = fb.execute_query(
            "SELECT COUNT(*) AS CNT FROM RECEPCION r "
            "WHERE r.FECHA_RECEPCION = CURRENT_DATE AND r.NUM_FACTURA > 0", None
        )
        result["hoy_con_factura"] = rows4[0] if ok4 and rows4 else "error"

        # Distintas fechas recientes en la tabla
        ok5, _, rows5 = fb.execute_query(
            "SELECT FIRST 5 DISTINCT r.FECHA_RECEPCION FROM RECEPCION r "
            "ORDER BY r.FECHA_RECEPCION DESC", None
        )
        result["fechas_recientes"] = list(rows5) if ok5 and rows5 else "error"

        fb.disconnect()
        return JSONResponse(result)
    except Exception:
        return JSONResponse({"traceback": traceback.format_exc()})


@router.get("/cups")
async def find_cups(request: Request, user: dict = Depends(get_current_user)):
    try:
        conn = get_connection()
        cfg = {r["key"]: r["value"] for r in conn.execute("SELECT * FROM config").fetchall()}
        conn.close()

        fb, ok, msg = get_firebird_from_config(cfg)
        if not ok:
            return JSONResponse({"error": msg})

        results = {}

        BUSCAR = "903967"

        # Tablas y sus campos de texto para buscar
        tablas_candidatas = [
            ("PROTOCOLO", ["CODIGO", "NOMBRE"]),
            ("ITEM", ["COD_PROTOCOLO", "CUPS_DETALLE", "CODITEMINTERFACE"]),
            ("RELACION", ["COD_EXAMEN"]),
            ("RELACION_HIMS", ["CUPS_REF"]),
            ("ARTICULO", ["CODIGO", "CUPS"]),
            ("SERVICIO", ["CODIGO", "CUPS", "COD_CUPS"]),
            ("PROCEDIMIENTO", ["CODIGO", "CUPS"]),
        ]

        encontrado = {}
        for tabla, campos in tablas_candidatas:
            for campo in campos:
                ok_t, _, rows_t = fb.execute_query(
                    f"SELECT FIRST 3 t.* FROM {tabla} t "
                    f"WHERE TRIM(t.{campo}) = '{BUSCAR}'"
                )
                if ok_t and rows_t:
                    encontrado[f"{tabla}.{campo}"] = list(rows_t)

        results["valor_903967_encontrado_en"] = encontrado if encontrado else "no encontrado en tablas comunes"

        # Buscar en campos de tipo char/varchar de PROTOCOLO e ITEM que no conocemos
        for tabla in ["PROTOCOLO", "ITEM"]:
            ok_c, _, rows_c = fb.execute_query(
                f"SELECT TRIM(f.RDB$FIELD_NAME) AS c FROM RDB$RELATION_FIELDS f "
                f"WHERE TRIM(f.RDB$RELATION_NAME)='{tabla}' ORDER BY f.RDB$FIELD_POSITION"
            )
            if ok_c:
                results[f"columnas_{tabla.lower()}"] = [r["c"] for r in rows_c]

        fb.disconnect()
        return JSONResponse(results)
    except Exception:
        return JSONResponse({"traceback": traceback.format_exc()})