"""
Pruebas del cliente del PANEL (servidor de restauración asignado por base de datos).
Se mockea `requests` para no depender de un PANEL real.
"""
import pytest

from app.panel import panel_client


class FakeResponse:
    def __init__(self, status_code, json_data=None, raise_json=False):
        self.status_code = status_code
        self._json = json_data
        self._raise_json = raise_json

    def json(self):
        if self._raise_json:
            raise ValueError("no es JSON")
        return self._json


VALID_TARGET = {
    "id": 2,
    "name": "Omega",
    "server": "192.168.1.100,1433",
    "username": "sa",
    "password": "secreto",
    "data_folder": "C:\\SQLData",
    "ssh_host": "192.168.1.100",
    "ssh_port": 22,
    "ssh_username": "Administrator",
    "ssh_password": "ssh-secreto",
    "remote_inbox_path": "C:\\RestoreInbox",
}

URL = "http://panel:3000"
TOKEN = "tok"
DB = "EMPRESA_DB"


def test_target_url_vacia_devuelve_none():
    assert panel_client.get_target_for_database("", TOKEN, DB) is None


def test_target_url_invalida_devuelve_none():
    assert panel_client.get_target_for_database("ftp://x", TOKEN, DB) is None


def test_target_token_vacio_devuelve_none():
    assert panel_client.get_target_for_database(URL, "", DB) is None


def test_target_db_vacio_devuelve_none():
    assert panel_client.get_target_for_database(URL, TOKEN, "  ") is None


def test_target_ok(monkeypatch):
    captured = {}

    def fake_get(url, headers=None, timeout=None):
        captured["url"] = url
        return FakeResponse(200, VALID_TARGET)

    monkeypatch.setattr(panel_client.requests, "get", fake_get)
    target = panel_client.get_target_for_database(URL, TOKEN, DB)
    assert target is not None
    assert target["name"] == "Omega"
    # el db_name viaja como query param url-encoded
    assert "database=EMPRESA_DB" in captured["url"]


def test_target_db_con_espacios_se_encodea(monkeypatch):
    captured = {}
    monkeypatch.setattr(
        panel_client.requests, "get",
        lambda url, **k: (captured.__setitem__("url", url), FakeResponse(200, VALID_TARGET))[1]
    )
    panel_client.get_target_for_database(URL, TOKEN, "MI BASE")
    assert "MI%20BASE" in captured["url"]


def test_target_falta_campo_requerido(monkeypatch):
    incompleto = dict(VALID_TARGET)
    del incompleto["password"]
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(200, incompleto))
    assert panel_client.get_target_for_database(URL, TOKEN, DB) is None


def test_target_campo_vacio_es_invalido(monkeypatch):
    vacio = dict(VALID_TARGET, password="   ")
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(200, vacio))
    assert panel_client.get_target_for_database(URL, TOKEN, DB) is None


@pytest.mark.parametrize("code", [404, 401, 500, 503])
def test_target_codigos_no_200_devuelven_none(monkeypatch, code):
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(code))
    assert panel_client.get_target_for_database(URL, TOKEN, DB) is None


def test_target_error_red_devuelve_none(monkeypatch):
    def boom(*a, **k):
        raise panel_client.requests.exceptions.ConnectionError("caído")

    monkeypatch.setattr(panel_client.requests, "get", boom)
    assert panel_client.get_target_for_database(URL, TOKEN, DB) is None


def test_target_json_invalido_devuelve_none(monkeypatch):
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, raise_json=True)
    )
    assert panel_client.get_target_for_database(URL, TOKEN, DB) is None


def test_report_job_result_201_true(monkeypatch):
    captured = {}

    def fake_post(url, json=None, headers=None, timeout=None):
        captured["json"] = json
        return FakeResponse(201)

    monkeypatch.setattr(panel_client.requests, "post", fake_post)
    ok = panel_client.report_job_result(
        URL, TOKEN, filename="empresa.bak", status="completed",
        restore_target_id=2, db_name="EMP", duration_ms=1000
    )
    assert ok is True
    assert captured["json"]["filename"] == "empresa.bak"
    assert captured["json"]["status"] == "completed"


def test_report_job_result_otro_codigo_false(monkeypatch):
    monkeypatch.setattr(panel_client.requests, "post", lambda *a, **k: FakeResponse(500))
    assert panel_client.report_job_result(URL, TOKEN, "x.bak", "failed") is False


def test_report_job_result_error_red_false(monkeypatch):
    def boom(*a, **k):
        raise panel_client.requests.exceptions.Timeout("timeout")

    monkeypatch.setattr(panel_client.requests, "post", boom)
    assert panel_client.report_job_result(URL, TOKEN, "x.bak", "failed") is False


@pytest.mark.parametrize("code", [200, 404])
def test_test_connection_ok(monkeypatch, code):
    # 200 o 404 → conexión y token correctos
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(code))
    ok, info = panel_client.test_connection(URL, TOKEN)
    assert ok is True


def test_test_connection_token_rechazado(monkeypatch):
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(401))
    ok, info = panel_client.test_connection(URL, TOKEN)
    assert ok is False
    assert "401" in info


def test_test_connection_url_invalida():
    ok, info = panel_client.test_connection("noesurl", TOKEN)
    assert ok is False


def test_report_instance_config_200_true(monkeypatch):
    captured = {}

    def fake_post(url, json=None, headers=None, timeout=None):
        captured["url"] = url
        captured["json"] = json
        return FakeResponse(200)

    monkeypatch.setattr(panel_client.requests, "post", fake_post)
    ok = panel_client.report_instance_config(
        URL, TOKEN, r"D:\Backups\Entrada", host_name="WIN-01", app_version="1.0.0"
    )
    assert ok is True
    assert captured["url"].endswith("/api/restore/instance-config")
    assert captured["json"]["input_folder"] == r"D:\Backups\Entrada"
    assert captured["json"]["host_name"] == "WIN-01"


def test_report_instance_config_input_vacio_false():
    assert panel_client.report_instance_config(URL, TOKEN, "  ") is False


def test_report_instance_config_sin_token_false():
    assert panel_client.report_instance_config(URL, "", r"D:\In") is False


def test_report_instance_config_otro_codigo_false(monkeypatch):
    monkeypatch.setattr(panel_client.requests, "post", lambda *a, **k: FakeResponse(500))
    assert panel_client.report_instance_config(URL, TOKEN, r"D:\In") is False


def test_report_instance_config_error_red_false(monkeypatch):
    def boom(*a, **k):
        raise panel_client.requests.exceptions.ConnectionError("caído")

    monkeypatch.setattr(panel_client.requests, "post", boom)
    assert panel_client.report_instance_config(URL, TOKEN, r"D:\In") is False


def test_target_con_instance_envia_param(monkeypatch):
    captured = {}
    monkeypatch.setattr(
        panel_client.requests, "get",
        lambda url, **k: (captured.__setitem__("url", url), FakeResponse(200, VALID_TARGET))[1]
    )
    panel_client.get_target_for_database(URL, TOKEN, DB, instance_key="Alfa")
    assert "instance=Alfa" in captured["url"]


COLOCATED_TARGET = {
    "id": 1,
    "name": "Alfa",
    "server": "localhost",
    "username": "sa",
    "password": "secreto",
    "data_folder": "C:\\SQLData",
}


def test_target_colocado_no_exige_ssh(monkeypatch):
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, COLOCATED_TARGET)
    )
    target = panel_client.get_target_for_database(URL, TOKEN, DB, instance_key="Alfa")
    assert target is not None
    assert target["name"] == "Alfa"


def test_report_instance_config_con_instance_key(monkeypatch):
    captured = {}
    monkeypatch.setattr(
        panel_client.requests, "post",
        lambda url, json=None, **k: (captured.update({"json": json}), FakeResponse(200))[1]
    )
    ok = panel_client.report_instance_config(
        URL, TOKEN, r"D:\Alfa\In", instance_key="Alfa"
    )
    assert ok is True
    assert captured["json"]["instance_key"] == "Alfa"


CATALOG_RESPONSE = {
    "targets": [
        {"id": 1, "name": "Alfa"},
        {"id": 2, "name": "Omega"},
        {"id": 4, "name": "Delta"},
    ]
}


def test_list_restore_target_names_ok(monkeypatch):
    captured = {}

    def fake_get(url, headers=None, timeout=None):
        captured["url"] = url
        return FakeResponse(200, CATALOG_RESPONSE)

    monkeypatch.setattr(panel_client.requests, "get", fake_get)
    names = panel_client.list_restore_target_names(URL, TOKEN)
    assert names == ["Alfa", "Omega", "Delta"]
    assert captured["url"].endswith("/api/restore/target-catalog")


def test_list_restore_target_names_url_vacia():
    assert panel_client.list_restore_target_names("", TOKEN) == []


def test_list_restore_target_names_token_vacio():
    assert panel_client.list_restore_target_names(URL, "") == []


@pytest.mark.parametrize("code", [401, 500, 503])
def test_list_restore_target_names_codigos_no_200(monkeypatch, code):
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(code))
    assert panel_client.list_restore_target_names(URL, TOKEN) == []


def test_list_restore_target_names_error_red(monkeypatch):
    def boom(*a, **k):
        raise panel_client.requests.exceptions.ConnectionError("caído")

    monkeypatch.setattr(panel_client.requests, "get", boom)
    assert panel_client.list_restore_target_names(URL, TOKEN) == []


def test_list_restore_target_names_json_invalido(monkeypatch):
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, raise_json=True)
    )
    assert panel_client.list_restore_target_names(URL, TOKEN) == []


def test_list_restore_target_names_sin_lista_targets(monkeypatch):
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, {"foo": []})
    )
    assert panel_client.list_restore_target_names(URL, TOKEN) == []


ROUTE_FORWARD = {
    "action": "forward",
    "db_name": "GENERICA-TEST",
    "node_key": "GENERICA-TEST",
    "target": {
        "id": 2,
        "name": "Alfa",
        "server": "192.168.1.10,1433",
        "username": "sa",
        "password": "secreto",
        "data_folder": "C:\\SQLData",
        "ssh_host": "192.168.1.10",
        "ssh_port": 22,
        "ssh_username": "Administrator",
        "ssh_password": "ssh-secreto",
        "remote_inbox_path": "C:\\RestoreInbox",
        "input_folder": "D:\\Restore\\Alfa\\Entrada",
    },
}

ROUTE_RESTORE_LOCAL = {
    "action": "restore_local",
    "db_name": "GENERICA-TEST",
    "node_key": "GENERICA-TEST",
    "target": {
        "id": 2,
        "name": "Alfa",
        "server": "192.168.1.10,1433",
        "username": "sa",
        "password": "secreto",
        "data_folder": "C:\\SQLData",
        "ssh_host": "192.168.1.10",
        "ssh_port": 22,
        "ssh_username": "Administrator",
        "ssh_password": "ssh-secreto",
        "remote_inbox_path": "C:\\RestoreInbox",
        "input_folder": "D:\\Restore\\Alfa\\Entrada",
    },
}


def test_resolve_route_forward_ok(monkeypatch):
    captured = {}

    def fake_get(url, headers=None, timeout=None):
        captured["url"] = url
        return FakeResponse(200, ROUTE_FORWARD)

    monkeypatch.setattr(panel_client.requests, "get", fake_get)
    route = panel_client.resolve_route(URL, TOKEN, "GENERICA-TEST.ZIP", instance_key="Omega")
    assert route is not None
    assert route["action"] == "forward"
    assert "resolve-route" in captured["url"]
    assert "instance=Omega" in captured["url"]


def test_resolve_route_restore_local_ok(monkeypatch):
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, ROUTE_RESTORE_LOCAL)
    )
    route = panel_client.resolve_route(URL, TOKEN, "GENERICA-TEST.ZIP", instance_key="Alfa")
    assert route is not None
    assert route["action"] == "restore_local"


def test_resolve_route_503_devuelve_none(monkeypatch):
    monkeypatch.setattr(panel_client.requests, "get", lambda *a, **k: FakeResponse(503))
    assert panel_client.resolve_route(URL, TOKEN, "X.ZIP") is None


def test_resolve_route_forward_sin_input_folder_invalido(monkeypatch):
    bad = dict(ROUTE_FORWARD)
    bad["target"] = dict(bad["target"], input_folder="  ")
    monkeypatch.setattr(
        panel_client.requests, "get", lambda *a, **k: FakeResponse(200, bad)
    )
    assert panel_client.resolve_route(URL, TOKEN, "X.ZIP") is None