#!/usr/bin/env python3
"""
Test script for short link resolver functionality.
"""

import sys
import os

# Add path for imports
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from shortlink_resolver import ShortLinkResolver, detect_and_format


def test_single_bilibili_short():
    """Test single Bilibili short link detection."""
    print("Test 1: Single Bilibili short link")
    print("=" * 50)

    text = "Check this video: https://b23.tv/oLBZZfK"
    has_links, message = detect_and_format(text)

    print(f"Input: {text}")
    print(f"Has short links: {has_links}")
    if message:
        print(f"Message:\n{message}")
    print()

    assert has_links, "Should detect short link"
    assert message, "Should have help message"
    print("✅ Test 1 passed\n")


def test_multiple_short_links():
    """Test multiple short links detection."""
    print("Test 2: Multiple short links")
    print("=" * 50)

    text = "Check these: https://b23.tv/abc123 and https://bit.ly/test"
    has_links, message = detect_and_format(text)

    print(f"Input: {text}")
    print(f"Has short links: {has_links}")
    if message:
        print(f"Message:\n{message}")
    print()

    assert has_links, "Should detect short links"
    assert message, "Should have warning message"
    assert "[1]" in message, "Should show first link"
    assert "[2]" in message, "Should show second link"
    print("✅ Test 2 passed\n")


def test_no_short_links():
    """Test text with no short links."""
    print("Test 3: No short links")
    print("=" * 50)

    text = "Here is a full URL: https://www.bilibili.com/video/BV1xx411c7mD"
    has_links, message = detect_and_format(text)

    print(f"Input: {text}")
    print(f"Has short links: {has_links}")
    if message:
        print(f"Message: {message}")
    else:
        print("Message: None")
    print()

    assert not has_links, "Should not detect short links"
    assert not message, "Should not have help message"
    print("✅ Test 3 passed\n")


def test_bv_code():
    """Test BV code (should not be treated as short link)."""
    print("Test 4: BV code")
    print("=" * 50)

    text = "BV1jcFqz7EFW"
    has_links, message = detect_and_format(text)

    print(f"Input: {text}")
    print(f"Has short links: {has_links}")
    if message:
        print(f"Message: {message}")
    else:
        print("Message: None")
    print()

    assert not has_links, "BV code should not be treated as short link"
    assert not message, "Should not have help message"
    print("✅ Test 4 passed\n")


def test_mixed_content():
    """Test mixed content with short and full links."""
    print("Test 5: Mixed content")
    print("=" * 50)

    text = """
    Watch these videos:
    https://www.bilibili.com/video/BV1xx411c7mD
    https://b23.tv/short123
    BV2yy522c8nE
    """

    has_links, message = detect_and_format(text)

    print(f"Input:{text}")
    print(f"Has short links: {has_links}")
    if message:
        print(f"Message:\n{message}")
    print()

    assert has_links, "Should detect short link"
    assert message, "Should have help message"
    print("✅ Test 5 passed\n")


def test_resolver_direct():
    """Test ShortLinkResolver directly."""
    print("Test 6: Direct resolver usage")
    print("=" * 50)

    resolver = ShortLinkResolver()

    # Test detection
    short_links = resolver.detect_short_links("Check https://b23.tv/test123")
    print(f"Detected: {short_links}")

    assert len(short_links) == 1, "Should detect one short link"
    assert short_links[0]['platform'] == 'bilibili', "Should be Bilibili"
    assert short_links[0]['is_short'] == True, "Should be short link"

    # Test format_short_link_help
    help_msg = resolver.format_short_link_help("https://b23.tv/test123")
    print(f"Help message:\n{help_msg}")

    assert "短链接" in help_msg, "Should mention short link"
    assert "BV" in help_msg, "Should mention BV code"

    # Test format_short_link_warning
    warning_msg = resolver.format_short_link_warning(short_links)
    print(f"Warning message:\n{warning_msg}")

    assert "[1]" in warning_msg, "Should show numbered list"

    print()
    print("✅ Test 6 passed\n")


def run_all_tests():
    """Run all tests."""
    print("\n" + "=" * 50)
    print("Running Short Link Resolver Tests")
    print("=" * 50 + "\n")

    try:
        test_single_bilibili_short()
        test_multiple_short_links()
        test_no_short_links()
        test_bv_code()
        test_mixed_content()
        test_resolver_direct()

        print("\n" + "=" * 50)
        print("✅ All tests passed!")
        print("=" * 50 + "\n")
        return 0

    except AssertionError as e:
        print(f"\n❌ Test failed: {e}\n")
        return 1
    except Exception as e:
        print(f"\n❌ Unexpected error: {e}\n")
        import traceback
        traceback.print_exc()
        return 1


if __name__ == '__main__':
    sys.exit(run_all_tests())