#!/usr/bin/env python3
"""
Test script to verify SelectUI works as a library.
This doesn't require user interaction - just checks that the API works.
"""

import os
import sys

sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))

from selectui import SelectUI


def test_initialization():
    """Test that SelectUI can be initialized with items."""
    items = [
        {"title": "Item 1", "subtitle": "Description 1"},
        {"title": "Item 2", "subtitle": "Description 2"},
    ]

    app = SelectUI(
        items=items,
        oneshot=True,
        title_key="title",
        subtitle_key="subtitle"
    )

    assert app.items == items
    assert app.oneshot
    assert app.title_key == "title"
    assert app.subtitle_key == "subtitle"
    assert app.selected_item is None
    print("✓ Initialization test passed")


def test_custom_keys():
    """Test custom title/subtitle keys."""
    items = [
        {"name": "Alice", "role": "Engineer"},
        {"name": "Bob", "role": "Designer"},
    ]

    app = SelectUI(
        items=items,
        title_key="name",
        subtitle_key="role"
    )

    assert app.title_key == "name"
    assert app.subtitle_key == "role"
    print("✓ Custom keys test passed")


def test_info_key():
    """Test info_key parameter."""
    items = [
        {"title": "Item 1", "year": "2024"},
    ]

    app = SelectUI(
        items=items,
        info_key="year"
    )

    assert app.info_key == "year"
    print("✓ Info key test passed")


def test_events_mode():
    """Test events mode initialization."""
    app = SelectUI(
        items=[],
        events_mode=True
    )

    assert app.events_mode
    print("✓ Events mode test passed")


def test_command_template():
    """Test command template initialization."""
    app = SelectUI(
        items=[],
        command_template="echo {}"
    )

    assert app.command_template == "echo {}"
    assert app.input_mode
    print("✓ Command template test passed")


def test_single_line_mode():
    """Test single-line display (no subtitle)."""
    items = [
        {"filename": "test.py"},
    ]

    app = SelectUI(
        items=items,
        title_key="filename",
        subtitle_key=None
    )

    assert app.subtitle_key is None
    print("✓ Single-line mode test passed")


if __name__ == "__main__":
    print("Running SelectUI library tests...\n")

    try:
        test_initialization()
        test_custom_keys()
        test_info_key()
        test_events_mode()
        test_command_template()
        test_single_line_mode()

        print("\n✅ All tests passed!")
        print("\nSelectUI is ready to use as a library.")
        print("See examples/README.md for usage examples.")

    except AssertionError as e:
        print(f"\n❌ Test failed: {e}")
        sys.exit(1)
    except Exception as e:
        print(f"\n❌ Error: {e}")
        import traceback
        traceback.print_exc()
        sys.exit(1)