import os
import sys

sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

from doi2dataset import NameProcessor, Phase, sanitize_filename, validate_email_address


def test_phase_check_year():
    """Test that check_year correctly determines if a year is within the phase boundaries."""
    phase = Phase("TestPhase", 2000, 2010)
    # Within boundaries
    assert phase.check_year(2005) is True
    # Outside boundaries
    assert phase.check_year(1999) is False
    assert phase.check_year(2011) is False
    # Boundary cases
    assert phase.check_year(2000) is True
    assert phase.check_year(2010) is True

def test_sanitize_filename():
    """Test the sanitize_filename function to convert DOI to a valid filename."""
    doi = "10.1234/abc.def"
    expected = "10_1234_abc_def"
    result = sanitize_filename(doi)
    assert result == expected

def test_split_name_with_comma():
    """Test splitting a full name that contains a comma."""
    full_name = "Doe, John"
    given, family = NameProcessor.split_name(full_name)
    assert given == "John"
    assert family == "Doe"

def test_split_name_without_comma():
    """Test splitting a full name that does not contain a comma."""
    full_name = "John Doe"
    given, family = NameProcessor.split_name(full_name)
    assert given == "John"
    assert family == "Doe"

def test_validate_email_address_valid():
    """Test that a valid email address is correctly recognized."""
    valid_email = "john.doe@iana.org"
    assert validate_email_address(valid_email) is True

def test_validate_email_address_invalid():
    """Test that an invalid email address is correctly rejected."""
    invalid_email = "john.doe@invalid_domain"
    assert validate_email_address(invalid_email) is False