from unittest.mock import MagicMock

import pytest

from briefcase.exceptions import BriefcaseConfigError
from briefcase.integrations.flatpak import Flatpak
from briefcase.platforms.linux.flatpak import LinuxFlatpakBuildCommand


@pytest.fixture
def build_command(dummy_console, tmp_path):
    return LinuxFlatpakBuildCommand(
        console=dummy_console,
        base_path=tmp_path / "base_path",
        data_path=tmp_path / "briefcase",
    )


def test_build(build_command, first_app_config, tmp_path):
    """A flatpak can be built."""
    build_command.tools.flatpak = MagicMock(spec_set=Flatpak)

    first_app_config.flatpak_runtime_repo_url = "https://example.com/flatpak/repo"
    first_app_config.flatpak_runtime_repo_alias = "custom-repo"

    first_app_config.flatpak_runtime = "org.beeware.Platform"
    first_app_config.flatpak_runtime_version = "37.42"
    first_app_config.flatpak_sdk = "org.beeware.SDK"

    build_command.build_app(first_app_config)

    # Repo is verified
    build_command.tools.flatpak.verify_repo.assert_called_once_with(
        repo_alias="custom-repo",
        url="https://example.com/flatpak/repo",
    )

    # Runtimes are verified
    build_command.tools.flatpak.verify_runtime.assert_called_once_with(
        repo_alias="custom-repo",
        runtime="org.beeware.Platform",
        runtime_version="37.42",
        sdk="org.beeware.SDK",
    )

    # The build is invoked
    build_command.tools.flatpak.build.assert_called_once_with(
        bundle_identifier="com.example.first-app",
        app_name="first-app",
        path=tmp_path / "base_path/build/first-app/linux/flatpak",
    )


def test_missing_runtime_config(build_command, first_app_config):
    """The app build errors is a Flatpak runtime is not defined."""
    build_command.tools.flatpak = MagicMock(spec_set=Flatpak)

    with pytest.raises(
        BriefcaseConfigError,
        match="Briefcase configuration error: The App does not specify the Flatpak runtime to use",
    ):
        build_command.build_app(first_app_config)