import pytest
from pydantic import ValidationError
from src.database.schema import CommonParams
from src.overhaul.schema import OverhaulCriticalParts

def test_common_params_valid():
    params = CommonParams(
        page=1,
        itemsPerPage=10,
        q="search test",
        all=1
    )
    assert params.page == 1
    assert params.items_per_page == 10
    assert params.query_str == "search test"
    assert params.is_all is True

def test_common_params_page_constraints():
    # Test page must be > 0
    with pytest.raises(ValidationError):
        CommonParams(page=0)
    
    with pytest.raises(ValidationError):
        CommonParams(page=-1)

def test_common_params_items_per_page_constraints():
    # Test items_per_page must be multiple of 5
    with pytest.raises(ValidationError):
        CommonParams(itemsPerPage=7)
    
    # Test items_per_page maximum
    with pytest.raises(ValidationError):
        CommonParams(itemsPerPage=55)
    
    # Valid multiples of 5
    assert CommonParams(itemsPerPage=50).items_per_page == 50
    assert CommonParams(itemsPerPage=5).items_per_page == 5

def test_overhaul_critical_parts_valid():
    parts = OverhaulCriticalParts(criticalParts=["Part A", "Part B"])
    assert parts.criticalParts == ["Part A", "Part B"]

def test_overhaul_critical_parts_invalid():
    # criticalParts is required and must be a list
    with pytest.raises(ValidationError):
        OverhaulCriticalParts()
    
    with pytest.raises(ValidationError):
        OverhaulCriticalParts(criticalParts="Not a list")