"""Tests for containers domain."""

from pathlib import Path

from flow.domain.containers.models import ContainerSpec, ImageRef, Mount
from flow.domain.containers.resolution import (
    build_container_spec,
    container_name,
    parse_image_ref,
    resolve_mounts,
)


class TestParseImageRef:
    def test_simple_name(self):
        ref = parse_image_ref("devbox")
        assert ref.registry == "registry.tomastm.com"
        assert ref.name == "devbox"
        assert ref.tag == "latest"

    def test_with_tag(self):
        ref = parse_image_ref("devbox:v2")
        assert ref.tag == "v2"

    def test_full_ref(self):
        ref = parse_image_ref("ghcr.io/user/image:main")
        assert ref.registry == "ghcr.io"
        assert ref.name == "user/image"
        assert ref.tag == "main"

    def test_full_image_string(self):
        ref = parse_image_ref("devbox")
        assert ref.full == "registry.tomastm.com/devbox:latest"


class TestContainerName:
    def test_basic(self):
        assert container_name("personal", "devbox") == "flow-personal-devbox"


class TestResolveMounts:
    def test_projects_mount(self, tmp_path):
        projects = tmp_path / "projects"
        projects.mkdir()
        mounts = resolve_mounts(tmp_path, str(projects))
        project_mounts = [m for m in mounts if m.target == "/home/user/projects"]
        assert len(project_mounts) == 1

    def test_extra_mounts(self, tmp_path):
        mounts = resolve_mounts(
            tmp_path, str(tmp_path),
            extra_mounts=[{"source": str(tmp_path), "target": "/data"}],
        )
        extra = [m for m in mounts if m.target == "/data"]
        assert len(extra) == 1


class TestBuildContainerSpec:
    def test_basic(self):
        image = ImageRef(registry="reg", name="img", tag="v1")
        spec = build_container_spec("personal", image, [])
        assert spec.name == "flow-personal-img"
        assert spec.env["DF_NAMESPACE"] == "personal"
        assert spec.env["DF_PLATFORM"] == "container"

    def test_with_mounts(self):
        image = ImageRef(registry="reg", name="img", tag="v1")
        mounts = [Mount(source=Path("/a"), target="/b")]
        spec = build_container_spec("ns", image, mounts)
        assert len(spec.mounts) == 1


class TestMount:
    def test_to_flag(self):
        m = Mount(source=Path("/src"), target="/dst")
        assert m.to_flag() == "-v /src:/dst"

    def test_to_flag_readonly(self):
        m = Mount(source=Path("/src"), target="/dst", readonly=True)
        assert ":ro" in m.to_flag()