import pytest

from app.models.views import RESERVED_SCENARIO_NAME
from app.reserved import SYSTEM_PREFIX, is_reserved_name
from app.services.planning_chart import KREDITRATEN

H = {"Authorization": "Bearer test-key"}


def test_systemnamen_leiten_sich_vom_praefix_ab():
    assert SYSTEM_PREFIX == "System-"
    assert RESERVED_SCENARIO_NAME == "System-Ist"
    assert KREDITRATEN == "System-Kreditraten"


@pytest.mark.parametrize("name,expected", [
    ("System-X", True), ("system-kreditraten", True), ("  SYSTEM-Ist  ", True),
    ("Kreditraten", False), ("Systemkosten", False), ("Ist-System", False),
    ("System", False),
])
def test_is_reserved_name(name, expected):
    assert is_reserved_name(name) is expected


@pytest.mark.parametrize("name", ["System-X", "system-kreditraten", "  SYSTEM-Ist  "])
def test_kategorie_post_reserviert(client, name):
    r = client.post("/api/categories", headers=H, json={"name": name})
    assert r.status_code == 422
    assert r.json()["detail"] == ("Namen, die mit »System-« beginnen, sind für "
                                  "vom Tool erzeugte Einträge reserviert")


def test_kategorie_patch_reserviert(client):
    cat = client.post("/api/categories", headers=H, json={"name": "Normal"}).json()
    r = client.patch(f"/api/categories/{cat['id']}", headers=H, json={"name": "System-Test"})
    assert r.status_code == 422
    names = [c["name"] for c in client.get("/api/categories", headers=H).json()]
    assert "Normal" in names and "System-Test" not in names


@pytest.mark.parametrize("name", ["Kreditraten", "Systemkosten", "Ist-System"])
def test_kategorie_normale_namen_erlaubt(client, name):
    assert client.post("/api/categories", headers=H, json={"name": name}).status_code == 201


@pytest.mark.parametrize("name", ["System-Plan", "system-x"])
def test_szenario_praefix_reserviert(client, name):
    r = client.post("/api/scenarios", headers=H, json={"name": name})
    assert r.status_code == 422
    assert "reserviert" in r.json()["detail"]