"""Tests for packages domain models."""

from pathlib import Path

import pytest

from flow.core.errors import ConfigError
from flow.domain.packages.models import InstalledPackage, InstalledState, PackageDef


def test_installed_state_roundtrip():
    state = InstalledState(packages={
        "neovim": InstalledPackage(
            name="neovim", version="0.10.4", type="binary",
            files=[Path("/home/x/.local/bin/nvim")],
        ),
    })
    data = state.as_dict()
    restored = InstalledState.from_dict(data)
    assert "neovim" in restored.packages
    assert restored.packages["neovim"].version == "0.10.4"
    assert restored.packages["neovim"].files == [Path("/home/x/.local/bin/nvim")]


def test_installed_state_empty():
    state = InstalledState.from_dict({})
    assert state.packages == {}


def test_installed_state_version_mismatch():
    with pytest.raises(ConfigError):
        InstalledState.from_dict({"version": 99, "packages": {}})


def test_installed_state_corrupt_missing_version_raises():
    with pytest.raises(ConfigError, match="missing field 'version'"):
        InstalledState.from_dict({
            "version": 1,
            "packages": {"fd": {"type": "pkg", "files": []}},
        })


def test_installed_state_corrupt_missing_type_raises():
    with pytest.raises(ConfigError, match="missing field 'type'"):
        InstalledState.from_dict({
            "version": 1,
            "packages": {"fd": {"version": "1.0", "files": []}},
        })


def test_installed_state_corrupt_missing_files_raises():
    with pytest.raises(ConfigError, match="missing field 'files'"):
        InstalledState.from_dict({
            "version": 1,
            "packages": {"fd": {"version": "1.0", "type": "pkg"}},
        })


def test_package_def_fields():
    pkg = PackageDef(
        name="fd", type="pkg", sources={"apt": "fd-find"},
        source=None, version=None, asset_pattern=None,
        platform_map={}, extract_dir=None, install={},
        post_install=None,
    )
    assert pkg.name == "fd"
    assert pkg.type == "pkg"