from __future__ import annotations

import pytest

import dpg_map as dpgm
from dpg_map.exceptions import InvalidProviderError, ProviderExistsError, ProviderNotFoundError


def test_default_provider_is_registered() -> None:
    provider = dpgm.get_provider("osm")

    assert provider.name == "osm"
    assert "osm" in dpgm.list_providers()
    assert provider.build_url(x=1, y=2, z=3) == "https://tile.openstreetmap.org/3/1/2.png"


def test_provider_registration_roundtrip() -> None:
    provider = dpgm.TileProvider(
        name="unit-test-provider",
        url_template="https://tiles.example.test/{z}/{x}/{y}.png",
        attribution="Example",
    )

    dpgm.register_provider(provider)
    try:
        assert dpgm.get_provider("unit-test-provider") == provider
        assert "unit-test-provider" in dpgm.list_providers()
    finally:
        dpgm.unregister_provider("unit-test-provider")

    with pytest.raises(ProviderNotFoundError):
        dpgm.get_provider("unit-test-provider")


def test_duplicate_provider_registration_fails() -> None:
    provider = dpgm.TileProvider(
        name="unit-test-duplicate",
        url_template="https://tiles.example.test/{z}/{x}/{y}.png",
    )

    dpgm.register_provider(provider)
    try:
        with pytest.raises(ProviderExistsError):
            dpgm.register_provider(provider)
    finally:
        dpgm.unregister_provider("unit-test-duplicate")


def test_provider_url_building_with_subdomains_retina_and_extension() -> None:
    provider = dpgm.TileProvider(
        name="unit-test-template",
        url_template="https://{s}.tiles.example.test/{z}/{x}/{y}{r}.{ext}",
        subdomains=("a", "b", "c"),
        retina=True,
        file_extension="webp",
    )

    assert provider.build_url(x=1, y=2, z=3) == "https://a.tiles.example.test/3/1/2@2x.webp"


@pytest.mark.parametrize(
    "template",
    [
        "https://tiles.example.test/{z}/{x}.png",
        "https://tiles.example.test/{z}/{x}/{y}/{quadkey}.png",
        "",
    ],
)
def test_invalid_provider_templates_fail(template: str) -> None:
    with pytest.raises(InvalidProviderError):
        dpgm.TileProvider(name="bad-template", url_template=template)