# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0

import os

from artemis.interfaces.cli.commands import ui
from artemis.interfaces.cli.commands.ui import (
    _resolve_npm_executable,
    _showcase_build_required,
)


def test_resolve_npm_executable_prefers_windows_command_shim(monkeypatch):
    paths = {
        "npm.cmd": r"C:\Program Files\nodejs\npm.cmd",
        "npm.exe": None,
        "npm": r"C:\Program Files\nodejs\npm.cmd",
    }
    monkeypatch.setattr(ui.shutil, "which", paths.get)

    assert _resolve_npm_executable("win32") == paths["npm.cmd"]


def test_resolve_npm_executable_uses_npm_on_posix(monkeypatch):
    monkeypatch.setattr(
        ui.shutil,
        "which",
        lambda command: "/usr/local/bin/npm" if command == "npm" else None,
    )

    assert _resolve_npm_executable("linux") == "/usr/local/bin/npm"


def test_showcase_build_required_when_source_is_newer(tmp_path):
    showcase_dir = tmp_path / "showcase_ui"
    source_file = showcase_dir / "src" / "app" / "agent.service.ts"
    built_index = showcase_dir / "dist" / "frontend" / "browser" / "index.html"
    source_file.parent.mkdir(parents=True)
    built_index.parent.mkdir(parents=True)
    source_file.write_text("source", encoding="utf-8")
    built_index.write_text("build", encoding="utf-8")

    os.utime(built_index, (100, 100))
    os.utime(source_file, (200, 200))

    assert _showcase_build_required(showcase_dir) is True


def test_showcase_build_not_required_when_build_is_current(tmp_path):
    showcase_dir = tmp_path / "showcase_ui"
    source_file = showcase_dir / "src" / "app" / "agent.service.ts"
    built_index = showcase_dir / "dist" / "frontend" / "browser" / "index.html"
    source_file.parent.mkdir(parents=True)
    built_index.parent.mkdir(parents=True)
    source_file.write_text("source", encoding="utf-8")
    built_index.write_text("build", encoding="utf-8")

    os.utime(source_file, (100, 100))
    os.utime(built_index, (200, 200))

    assert _showcase_build_required(showcase_dir) is False