import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient

from app.auth import UsuarioLogado, exigir_login
from app.routers import log as router_log

app_teste = FastAPI()
app_teste.include_router(router_log.router)
app_teste.dependency_overrides[exigir_login] = lambda: UsuarioLogado(login="admin", nome="Admin", perfil="ADMIN")
client = TestClient(app_teste, follow_redirects=False)
CSRF_TESTE = "teste-csrf-token"
client.cookies.set("csrf_token", CSRF_TESTE)


@pytest.fixture(autouse=True)
def _admin_como_padrao():
    """Todo teste roda como admin por padrão (override acima). Testes que
    querem simular usuário padrão sobrescrevem de novo dentro do próprio
    teste e restauram no fim via yield."""
    yield
    app_teste.dependency_overrides[exigir_login] = lambda: UsuarioLogado(login="admin", nome="Admin", perfil="ADMIN")


@pytest.fixture(autouse=True)
def _sem_log_real(monkeypatch):
    monkeypatch.setattr(router_log.db_log, "registrar", lambda *args, **kwargs: None)


def test_pagina_log_mostra_acoes_do_painel(monkeypatch):
    capturado = {}
    monkeypatch.setattr(
        router_log.db_log,
        "listar",
        lambda limite=100: capturado.setdefault("limite", limite) and [
            {
                "ID": 1, "CRIADO_EM": "2026-08-13 10:00:00", "USUARIO": "admin", "ACAO": "criar",
                "ENTIDADE": "cliente", "ENTIDADE_ID": "000001", "SUCESSO": 1, "DETALHE": None,
            }
        ],
    )
    monkeypatch.setattr(router_log.n8n_client, "listar_envios", lambda limite=50: [])
    monkeypatch.setattr(router_log.n8n_client, "configurado", lambda: False)

    resposta = client.get("/log")
    assert resposta.status_code == 200
    assert "admin" in resposta.text
    assert "criar" in resposta.text
    assert "N8N_API_URL" in resposta.text  # aviso de integração não configurada
    assert capturado["limite"] == 20


def test_pagina_log_mostra_envios_quando_configurado(monkeypatch):
    monkeypatch.setattr(router_log.db_log, "listar", lambda limite=20: [])
    monkeypatch.setattr(
        router_log.n8n_client,
        "listar_envios",
        lambda limite=50: [
            {
                "data_processamento": "2026-08-13T10:00:00", "nome_cliente": "Cliente Teste",
                "codigo_cliente": "000001", "competencia": "2026-08", "status": "enviado",
                "telefones_enviados": "5575999090000", "telefones_com_erro": "",
            }
        ],
    )
    monkeypatch.setattr(router_log.n8n_client, "configurado", lambda: True)

    resposta = client.get("/log")
    assert resposta.status_code == 200
    assert "Cliente Teste" in resposta.text
    assert "enviado" in resposta.text


def test_pagina_log_admin_ve_botao_de_limpar(monkeypatch):
    monkeypatch.setattr(router_log.db_log, "listar", lambda limite=20: [])
    monkeypatch.setattr(router_log.n8n_client, "listar_envios", lambda limite=50: [])
    monkeypatch.setattr(router_log.n8n_client, "configurado", lambda: False)

    resposta = client.get("/log")
    assert resposta.status_code == 200
    assert "/log/limpar" in resposta.text


def test_pagina_log_usuario_padrao_nao_ve_botao_de_limpar(monkeypatch):
    app_teste.dependency_overrides[exigir_login] = lambda: UsuarioLogado(login="fulano", nome="Fulano", perfil="PADRAO")
    monkeypatch.setattr(router_log.db_log, "listar", lambda limite=20: [])
    monkeypatch.setattr(router_log.n8n_client, "listar_envios", lambda limite=50: [])
    monkeypatch.setattr(router_log.n8n_client, "configurado", lambda: False)

    resposta = client.get("/log")
    assert resposta.status_code == 200
    assert "/log/limpar" not in resposta.text


def test_limpar_log_admin_funciona(monkeypatch):
    chamou = {}
    monkeypatch.setattr(router_log.db_log, "limpar", lambda: chamou.setdefault("limpou", True))
    resposta = client.post("/log/limpar", data={"csrf_token": CSRF_TESTE})
    assert resposta.status_code == 303
    assert resposta.headers["location"].startswith("/log?")
    assert chamou.get("limpou") is True


def test_limpar_log_usuario_padrao_toma_403():
    app_teste.dependency_overrides[exigir_login] = lambda: UsuarioLogado(login="fulano", nome="Fulano", perfil="PADRAO")
    resposta = client.post("/log/limpar", data={"csrf_token": CSRF_TESTE})
    assert resposta.status_code == 403