"""Pruebas del Expediente (crm.cases): minteo, propagación y timeline."""

from api.v1.modules.crm.cases import service as cases_service
from api.v1.modules.crm.opportunities import service as opp_service
from api.v1.modules.crm.opportunities.dto import OpportunityCreate
from api.v1.modules.crm.quotes import service as q_service
from api.v1.modules.crm.service_requests import service as sr_service
from api.v1.modules.crm.service_requests.dto import ServiceRequestCreate, ServiceRequestFromOpportunityInput

T, C = 1, 1


def test_opportunity_mints_expediente(db):
    opp = opp_service.create_opportunity(db, OpportunityCreate(name="Negocio", operation_type="exportacion"), T, C)
    assert opp.case_id is not None
    case = cases_service.get_case(db, opp.case_id, T, C)
    assert (case.reference or "").startswith("EXP")
    assert case.stage == "oportunidad"


def test_case_propagates_and_advances(db):
    opp = opp_service.create_opportunity(db, OpportunityCreate(name="Negocio", operation_type="importacion"), T, C)
    sr = sr_service.create_from_opportunity(db, opp.id, ServiceRequestFromOpportunityInput(), T, C)
    assert sr.case_id == opp.case_id
    assert cases_service.get_case(db, opp.case_id, T, C).stage == "solicitud"

    quotes = q_service.create_quotes_from_service_request(db, sr.id, T, C)
    assert quotes[0].case_id == opp.case_id
    case = cases_service.get_case(db, opp.case_id, T, C)
    assert case.stage == "cotizacion"

    # El timeline reúne toda la historia ligada al expediente
    kinds = {e["kind"] for e in cases_service.build_timeline(db, case)}
    assert {"oportunidad", "solicitud", "cotizacion"} <= kinds


def test_direct_service_request_mints_expediente(db):
    # Solicitud directa (sin oportunidad) también obtiene expediente (fallback)
    sr = sr_service.create_service_request(db, ServiceRequestCreate(operation_type="exportacion"), T, C)
    assert sr.case_id is not None
    assert cases_service.get_case(db, sr.case_id, T, C).stage == "solicitud"


def test_advance_stage_never_regresses(db):
    opp = opp_service.create_opportunity(db, OpportunityCreate(name="N", operation_type="exportacion"), T, C)
    cases_service.advance_stage(db, opp.case_id, "facturacion")
    cases_service.advance_stage(db, opp.case_id, "solicitud")  # no debe retroceder
    assert cases_service.get_case(db, opp.case_id, T, C).stage == "facturacion"