import re
from datetime import datetime, timedelta, timezone

from fastapi.testclient import TestClient
from sqlalchemy import select

from central.app.blocked_products import upsert_blocker
from central.app.events import record_event
from central.app.main import create_app
from central.app.models import Agent, AgentSnapshot, Installation, Job
from central.tests.test_control_plane import seed, setup_db


def _panel_client():
    session_factory = setup_db()
    agent_id, _ = seed(session_factory)
    now = datetime(2026, 9, 22, 19, 11, tzinfo=timezone.utc)
    with session_factory() as session:
        installation = session.scalar(select(Installation).where(Installation.agent_id == agent_id))
        agent = session.get(Agent, agent_id)
        agent.agent_version = "0.9.0"
        snapshot = session.scalar(select(AgentSnapshot).where(AgentSnapshot.installation_id == installation.id))
        snapshot.total_products = 50
        snapshot.fiscally_complete = 49
        snapshot.coverage_percent = 98
        job = Job(
            agent_id=agent_id,
            kind="REPROCESS_PRODUCTS",
            status="RUNNING",
            created_at=now - timedelta(minutes=3),
            started_at=now - timedelta(minutes=2),
            payload={"codigos": ["P-001"]},
        )
        session.add(job)
        session.flush()
        blocker = upsert_blocker(
            session,
            installation.tenant_id,
            {
                "company": "Acme",
                "product_code": "P-001",
                "description": "Produto de teste",
                "blocker_type": "BLOCKED_MISSING_EVIDENCE",
                "field": "CFOP",
                "reason_code": "MISSING_CONTEXT",
                "input_fingerprint": "page-test",
                "evidence_summary": {"source": "snapshot"},
            },
            installation_id=installation.id,
        )
        record_event(
            session,
            tenant_id=installation.tenant_id,
            installation_id=installation.id,
            agent_id=agent_id,
            severity="WARNING",
            event_type="PRODUCT_BLOCKED",
            message="Contexto fiscal ausente",
            job_id=job.id,
            product_code="P-001",
            blocker_id=blocker.id,
            occurred_at=now,
        )
        session.commit()

    client = TestClient(create_app(database_probe=lambda: True, session_factory=session_factory, bootstrap_token=None))
    login = client.post("/login", data={"username": "operator", "password": "a-secure-password"}, follow_redirects=False)
    assert login.status_code == 303
    return client, agent_id, blocker.id


def test_dashboard_renders_operational_queue_labels_and_human_dates():
    client, _, _ = _panel_client()

    response = client.get("/")

    assert response.status_code == 200
    for label in ("Agents total", "Online", "Degraded", "Offline", "Failed", "Unknown"):
        assert label in response.text
    assert "Produtos bloqueados" in response.text
    assert "Blockers abertos" in response.text
    assert "ATENÇÃO NECESSÁRIA" in response.text
    assert "Ver todos" in response.text
    assert "Jobs com falha" in response.text
    assert "Agents desatualizados" in response.text
    assert not re.search(r"\d{4}-\d{2}-\d{2}T\d{2}:\d{2}", response.text)


def test_agents_render_separate_health_and_fiscal_status_with_server_sort():
    client, _, _ = _panel_client()

    response = client.get("/agents?sort=worst_coverage&health=ONLINE&search=Acme")

    assert response.status_code == 200
    for label in ("Cliente", "Nome de exibição", "Hostname", "Saúde técnica", "Status fiscal", "Cobertura fiscal", "Versão"):
        assert label in response.text
    assert "Acme ERP" in response.text
    assert "srv-01" in response.text
    assert "98,0%" in response.text
    assert 'name="health"' in response.text
    assert 'value="Acme"' in response.text
    assert 'value="worst_coverage"' in response.text


def test_jobs_render_client_identity_duration_and_preserve_filters():
    client, _, _ = _panel_client()

    response = client.get("/jobs?status=RUNNING&search=Acme")

    assert response.status_code == 200
    for label in ("Cliente", "Nome de exibição", "Hostname", "Job ID", "Tipo", "Status", "Criado", "Finalizado", "Duração", "Erro"):
        assert label in response.text
    assert "Acme" in response.text
    assert "srv-01" in response.text
    assert "em andamento" in response.text
    assert 'value="Acme"' in response.text
    assert '<option value="RUNNING" selected>' in response.text
    assert "Agent 1" not in response.text


def test_blockers_render_visible_filters_summary_priority_and_detail_link():
    client, _, blocker_id = _panel_client()

    response = client.get("/blockers?client=Acme&installation=srv-01&field=CFOP&blocker_type=BLOCKED_MISSING_EVIDENCE&status=OPEN&age=0h&search=P-001")

    assert response.status_code == 200
    for label in ("Cliente", "Instalação / Agent / Servidor", "Campo", "Tipo de blocker", "Status", "Idade", "Produto ou busca", "Blockers abertos", "Produtos afetados", "Clientes afetados", "CFOP", "ST", "ICMS", "CSOSN", "NCM", "OTHER", "Prioridade"):
        assert label in response.text
    assert f"/blockers/{blocker_id}" in response.text
    assert "CRITICAL" in response.text or "HIGH" in response.text
    assert 'value="Acme"' in response.text
    assert 'value="BLOCKED_MISSING_EVIDENCE"' in response.text
    assert "window.confirm" not in response.text


def test_agent_and_blocker_details_keep_safe_forms_and_human_event_rows():
    client, agent_id, blocker_id = _panel_client()

    agent_response = client.get(f"/agents/{agent_id}?tab=events&severity=WARNING&event_type=PRODUCT_BLOCKED&page=2")
    blocker_response = client.get(f"/blockers/{blocker_id}")

    assert agent_response.status_code == 200
    for label in ("Cliente", "Nome de exibição", "Hostname", "Saúde técnica", "Status fiscal", "Último heartbeat", "Versão", "Empresa", "UF", "CRT", "Eventos recentes", "Severidade", "Tipo de evento"):
        assert label in agent_response.text
    assert "Contexto fiscal ausente" in agent_response.text
    assert not re.search(r"\d{4}-\d{2}-\d{2}T\d{2}:\d{2}", agent_response.text)
    assert "severity=WARNING" in agent_response.text
    assert "event_type=PRODUCT_BLOCKED" in agent_response.text

    assert blocker_response.status_code == 200
    for label in ("Detalhes do blocker", "Evidência", "Contexto atual", "Salvar contexto e reprocessar", "Chave de contexto", "Valor", "Escopo", "Nota"):
        assert label in blocker_response.text
    assert 'name="context"' not in blocker_response.text
    assert "data-confirm" not in blocker_response.text
    assert not re.search(r"\d{4}-\d{2}-\d{2}T\d{2}:\d{2}", blocker_response.text)