#!/usr/bin/env -S uv run --script
# /// script
# dependencies = ["pytest"]
# ///

import json
import logging
from pathlib import Path
import subprocess
import sys
from unittest.mock import patch

import pytest

import docker_refresh as script


@pytest.mark.parametrize("image, expected", [
    ("nginx", False), ("nginx:latest", False), ("app:stable", False),
    ("app:main", False), ("app:nightly", False), ("app:alpine", False),
    ("localhost:5000/team/app", False),
    ("localhost:5000/team/app:latest", False),
    ("nginx:1.27.3", True), ("postgres:16-alpine", True),
    ("app:v2.0.1", True), ("app:2026-10-03", True),
    ("app@sha256:abc", True), ("app:latest@sha256:abc", True),
])
def test_image_pinning(image: str, expected: bool) -> None:
    assert script.is_pinned(image=image) == expected


@pytest.mark.parametrize("selected, expected", [
    (set(), ["other", "web"]),
    ({"web"}, ["web"]),
    ({"web", "other"}, ["other", "web"]),
    ({"other", "missing"}, ["other"]),
    ({"missing"}, []),
])
def test_discovery_filters_and_groups_replicas(selected: set[str], expected: list[str]) -> None:
    containers = []
    for image, running, oneoff, project in [
        ("app:latest", True, "False", "web"),
        ("app:latest", True, "False", "web"),
        ("db:16", True, "False", "web"),
        ("stopped:latest", False, "False", "web"),
        ("oneoff:latest", True, "True", "web"),
        ("app:latest", True, "False", "other"),
    ]:
        containers.append({
            "State": {"Running": running},
            "Config": {"Image": image, "Labels": {
                "com.docker.compose.project": project,
                "com.docker.compose.service": image.split(":")[0],
                "com.docker.compose.oneoff": oneoff,
                "com.docker.compose.project.working_dir": "/srv/web",
                "com.docker.compose.project.config_files": "compose.yml,override.yml",
                "com.docker.compose.project.environment_file": "/srv/web/custom.env",
            }},
        })
    projects = script.discover_projects(containers=containers, selected_projects=selected)
    assert [project.name for project in projects] == expected
    for project in projects:
        assert project.services == {"app"}
        assert project.files == (Path("/srv/web/compose.yml"), Path("/srv/web/override.yml"))
        assert "--env-file" in project.command()


@pytest.mark.parametrize("names", [[], ["web"], ["web", "api"]])
def test_positional_project_arguments(names: list[str]) -> None:
    with patch("sys.argv", ["docker_refresh.py", "--dry-run", *names]):
        arguments = script.parse_args()
    assert arguments.projects == names
    assert arguments.dry_run


def test_selected_pinned_project_reports_skip_reason(caplog: pytest.LogCaptureFixture) -> None:
    container = {
        "State": {"Running": True},
        "Config": {
            "Image": "ghcr.io/abdusco/uno:v1.0.0",
            "Labels": {
                "com.docker.compose.project": "uno",
                "com.docker.compose.service": "uno",
            },
        },
    }
    with patch("sys.argv", ["docker_refresh.py", "uno"]):
        with patch.object(script, "inspect_containers", return_value=[container]):
            with caplog.at_level(logging.INFO):
                assert script.main() == 0
    assert caplog.record_tuples == [
        ("root", logging.WARNING, "Skipping uno/uno: deployed image ghcr.io/abdusco/uno:v1.0.0 is pinned"),
        ("root", logging.INFO, "No eligible services to refresh in selected projects: uno"),
    ]


@pytest.mark.parametrize("dry_run", [True, False])
def test_refresh_commands_and_current_config_filtering(tmp_path: Path, dry_run: bool) -> None:
    compose = tmp_path / "compose.yml"
    compose.touch()
    project = script.Project(name="web", directory=tmp_path, files=(compose,), environment_files=(), services={"app", "db"})
    response = subprocess.CompletedProcess(args=[], returncode=0, stdout=json.dumps({
        "services": {
            "app": {"image": "app:latest"},
            "db": {"image": "db:16"},
        },
    }))
    with patch.object(script.subprocess, "run", return_value=response) as run:
        script.refresh_project(project=project, dry_run=dry_run)
    assert run.call_count == (1 if dry_run else 3)
    if not dry_run:
        assert run.call_args_list[1].kwargs["args"] == [*project.command(), "pull", "--policy", "always", "app"]
        assert run.call_args_list[2].kwargs["args"] == [*project.command(), "up", "--detach", "--no-deps", "--no-build", "--pull", "never", "app"]


@pytest.mark.parametrize("build", [".", {"context": "."}])
def test_project_with_any_built_service_is_skipped(tmp_path: Path, build: str | dict[str, str]) -> None:
    compose = tmp_path / "compose.yml"
    compose.touch()
    project = script.Project(name="web", directory=tmp_path, files=(compose,), environment_files=(), services={"app"})
    response = subprocess.CompletedProcess(args=[], returncode=0, stdout=json.dumps({
        "services": {
            "app": {"image": "app:latest"},
            "local": {"build": build},
        },
    }))
    with patch.object(script.subprocess, "run", return_value=response) as run:
        script.refresh_project(project=project, dry_run=False)
    assert run.call_count == 1
    assert run.call_args.kwargs["args"] == [*project.command(), "config", "--format", "json"]


def test_failed_pull_does_not_redeploy(tmp_path: Path) -> None:
    compose = tmp_path / "compose.yml"
    compose.touch()
    project = script.Project(name="web", directory=tmp_path, files=(compose,), environment_files=(), services={"app"})
    response = subprocess.CompletedProcess(args=[], returncode=0, stdout='{"services":{"app":{"image":"app:latest"}}}')
    with patch.object(script.subprocess, "run", side_effect=[
        response, subprocess.CalledProcessError(returncode=1, cmd="pull"),
    ]) as run:
        with pytest.raises(subprocess.CalledProcessError):
            script.refresh_project(project=project, dry_run=False)
    assert run.call_count == 2


def test_missing_files_fail_before_docker_commands(tmp_path: Path) -> None:
    project = script.Project(name="web", directory=tmp_path, files=(tmp_path / "missing.yml",), environment_files=(), services={"app"})
    with patch.object(script.subprocess, "run") as run:
        with pytest.raises(ValueError):
            script.refresh_project(project=project, dry_run=False)
    run.assert_not_called()


if __name__ == "__main__":
    sys.exit(pytest.main(args=[str(Path(__file__).resolve()), *sys.argv[1:]]))