"""Tests for the Gradio web UI command adapter."""

from __future__ import annotations

import sys

from web_app import build_pipeline_command, create_app


def test_build_pipeline_command_uses_cli_parser_defaults():
    command = build_pipeline_command({"url": "https://youtube.com/watch?v=demo"})

    assert command[:3] == [sys.executable, command[1], "https://youtube.com/watch?v=demo"]
    assert "--lang" in command
    assert command[command.index("--lang") + 1] == "es"
    assert "--mix-mode" in command
    assert command[command.index("--mix-mode") + 1] == "instrumental-only"


def test_build_pipeline_command_accepts_optional_settings():
    command = build_pipeline_command(
        {
            "url": "https://youtube.com/watch?v=demo",
            "lang": "fr",
            "browser": "chrome",
            "whisper_model": "small",
            "lmstudio_base_url": "http://localhost:1234/v1",
            "lmstudio_model": "gemma-custom",
            "gpu": "on",
        }
    )

    assert command[command.index("--lang") + 1] == "fr"
    assert command[command.index("--browser") + 1] == "chrome"
    assert command[command.index("--whisper_model") + 1] == "small"
    assert command[command.index("--lmstudio-base-url") + 1] == "http://localhost:1234/v1"
    assert command[command.index("--lmstudio-model") + 1] == "gemma-custom"
    assert "--gpu" in command


def test_create_app_builds_gradio_blocks():
    app = create_app()

    assert app.title == "Gradio YouTube Auto Dub"