import pytest

from ..helpers import Suite

@pytest.mark.integration_test
@pytest.mark.parametrize('type_', ('i32', 'f64', ))
def test_struct_0(type_):
    code_py = f"""
class CheckedValue:
    value: {type_}

@exported
def testEntry() -> {type_}:
    return helper(CheckedValue(23))

def helper(cv: CheckedValue) -> {type_}:
    return cv.value
"""

    result = Suite(code_py).run_code()

    assert 23 == result.returned_value

@pytest.mark.integration_test
def test_struct_1():
    code_py = """
class Rectangle:
    height: i32
    width: i32
    border: i32

@exported
def testEntry() -> i32:
    return helper(Rectangle(100, 150, 2))

def helper(shape: Rectangle) -> i32:
    return shape.height + shape.width + shape.border
"""

    result = Suite(code_py).run_code()

    assert 252 == result.returned_value

@pytest.mark.integration_test
def test_struct_2():
    code_py = """
class Rectangle:
    height: i32
    width: i32
    border: i32

@exported
def testEntry() -> i32:
    return helper(Rectangle(100, 150, 2), Rectangle(200, 90, 3))

def helper(shape1: Rectangle, shape2: Rectangle) -> i32:
    return shape1.height + shape1.width + shape1.border + shape2.height + shape2.width + shape2.border
"""

    result = Suite(code_py).run_code()

    assert 545 == result.returned_value

@pytest.mark.integration_test
@pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
def test_type_mismatch_struct_member(type_):
    code_py = f"""
class Struct:
    param: {type_}

def testEntry(arg: Struct) -> (i32, i32, ):
    return arg.param
"""

    with pytest.raises(StaticError, match=f'Static error on line 6: Expected \\(i32, i32, \\), arg.param is actually {type_}'):
        phasm_parse(code_py)

@pytest.mark.integration_test
@pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
def test_type_mismatch_tuple_member(type_):
    code_py = f"""
def testEntry(arg: ({type_}, )) -> (i32, i32, ):
    return arg[0]
"""

    with pytest.raises(StaticError, match=f'Static error on line 3: Expected \\(i32, i32, \\), arg\\[0\\] is actually {type_}'):
        phasm_parse(code_py)

@pytest.mark.integration_test
def test_tuple_constant_too_few_values():
    code_py = """
CONSTANT: (u32, u8, u8, ) = (24, 57, )
"""

    with pytest.raises(StaticError, match='Static error on line 2: Invalid number of tuple values'):
        phasm_parse(code_py)

@pytest.mark.integration_test
def test_tuple_constant_too_many_values():
    code_py = """
CONSTANT: (u32, u8, u8, ) = (24, 57, 1, 1, )
"""

    with pytest.raises(StaticError, match='Static error on line 2: Invalid number of tuple values'):
        phasm_parse(code_py)

@pytest.mark.integration_test
def test_tuple_constant_type_mismatch():
    code_py = """
CONSTANT: (u32, u8, u8, ) = (24, 4000, 1, )
"""

    with pytest.raises(StaticError, match='Static error on line 2: Integer value out of range; expected 0..255, actual 4000'):
        phasm_parse(code_py)