"""Step definitions for AI models errors coverage tests."""

from behave import given, then, when
from pydantic import ValidationError

from cleveragents.domain.models.aimodelsdatamodels import (
    BaseModelConfig,
    BaseModelProviderConfig,
    ModelRoleConfig,
)
from cleveragents.domain.models.aimodelserrors.ai_models_errors import (
    FallbackResult,
    ModelError,
)
from cleveragents.domain.models.core.enums import (
    FallbackType,
    ModelErrKind,
    ModelPublisher,
)


@given("I import the ModelError class")
def step_import_model_error(context):
    """Import ModelError class."""
    context.model_class = ModelError
    context.error = None
    context.instance = None


@given("I import the FallbackResult class")
def step_import_fallback_result(context):
    """Import FallbackResult class."""
    context.model_class = FallbackResult
    context.error = None
    context.instance = None


@when('I create a ModelError with kind "{kind}"')
def step_create_model_error_with_kind(context, kind):
    """Create ModelError with specific kind."""
    context.kind = ModelErrKind[kind]
    context.retriable = None
    context.retryafterseconds = None


@when("I set retriable to {value}")
def step_set_retriable(context, value):
    """Set retriable field."""
    context.retriable = value.lower() == "true"


@when("I set retryafterseconds to {seconds:d}")
def step_set_retryafterseconds(context, seconds):
    """Set retryafterseconds field."""
    context.retryafterseconds = seconds
    # Create the instance now that all fields are set
    if hasattr(context, "kind"):
        try:
            context.instance = ModelError(
                kind=context.kind,
                retriable=context.retriable,
                retryafterseconds=context.retryafterseconds,
            )
        except Exception as e:
            context.error = e


@then("the ModelError instance should be created successfully")
def step_model_error_created_successfully(context):
    """Verify ModelError instance was created."""
    assert context.instance is not None, "ModelError instance was not created"
    assert isinstance(context.instance, ModelError), "Instance is not ModelError"
    assert context.error is None, f"Unexpected error: {context.error}"


@then('the kind should be "{expected_kind}"')
def step_verify_kind(context, expected_kind):
    """Verify the kind field value."""
    assert context.instance.kind == expected_kind, (
        f"Expected kind {expected_kind}, got {context.instance.kind}"
    )


@then("the retriable flag should be {value}")
def step_verify_retriable(context, value):
    """Verify the retriable flag."""
    expected = value.lower() == "true"
    assert context.instance.retriable == expected, (
        f"Expected retriable {expected}, got {context.instance.retriable}"
    )


@then("the retry after seconds should be {seconds:d}")
def step_verify_retry_after_seconds(context, seconds):
    """Verify the retryafterseconds value."""
    assert context.instance.retryafterseconds == seconds, (
        f"Expected retryafterseconds {seconds}, got {context.instance.retryafterseconds}"
    )


@when("I create a ModelError with valid data")
def step_create_model_error_with_valid_data(context):
    """Create ModelError with valid data for configuration testing."""
    context.instance = ModelError(
        kind=ModelErrKind.OVERLOADED, retriable=True, retryafterseconds=30
    )


@then("the model configuration should have str_strip_whitespace as {value}")
def step_verify_str_strip_whitespace(context, value):
    """Verify str_strip_whitespace configuration."""
    expected = value.lower() == "true"
    assert context.instance.model_config["str_strip_whitespace"] == expected


@then("the model configuration should have validate_assignment as {value}")
def step_verify_validate_assignment(context, value):
    """Verify validate_assignment configuration."""
    expected = value.lower() == "true"
    assert context.instance.model_config["validate_assignment"] == expected


@then("the model configuration should have arbitrary_types_allowed as {value}")
def step_verify_arbitrary_types_allowed(context, value):
    """Verify arbitrary_types_allowed configuration."""
    expected = value.lower() == "true"
    assert context.instance.model_config["arbitrary_types_allowed"] == expected


@then("the model configuration should have populate_by_name as {value}")
def step_verify_populate_by_name(context, value):
    """Verify populate_by_name configuration."""
    expected = value.lower() == "true"
    assert context.instance.model_config["populate_by_name"] == expected


@then("the model configuration should have use_enum_values as {value}")
def step_verify_use_enum_values(context, value):
    """Verify use_enum_values configuration."""
    expected = value.lower() == "true"
    assert context.instance.model_config["use_enum_values"] == expected


@when('I create a FallbackResult with fallback type "{fallback_type}"')
def step_create_fallback_result_with_type(context, fallback_type):
    """Create FallbackResult with specific fallback type."""
    context.fallbacktype = FallbackType[fallback_type]
    context.isfallback = None
    context.modelroleconfig = None
    context.basemodelconfig = None


@when("I set isfallback to {value}")
def step_set_isfallback(context, value):
    """Set isfallback field."""
    context.isfallback = value.lower() == "true"


@when("I set modelroleconfig to None")
def step_set_modelroleconfig_to_none(context):
    """Set modelroleconfig to None."""
    context.modelroleconfig = None


@when("I set basemodelconfig to None")
def step_set_basemodelconfig_to_none(context):
    """Set basemodelconfig to None."""
    context.basemodelconfig = None
    # Create the instance now that all fields are set
    if hasattr(context, "fallbacktype"):
        try:
            context.instance = FallbackResult(
                fallbacktype=context.fallbacktype,
                isfallback=context.isfallback,
                modelroleconfig=context.modelroleconfig,
                basemodelconfig=context.basemodelconfig,
            )
        except Exception as e:
            context.error = e


@then("the FallbackResult instance should be created successfully")
def step_fallback_result_created_successfully(context):
    """Verify FallbackResult instance was created."""
    assert context.instance is not None, "FallbackResult instance was not created"
    assert isinstance(context.instance, FallbackResult), (
        "Instance is not FallbackResult"
    )
    assert context.error is None, f"Unexpected error: {context.error}"


@then('the fallback type should be "{expected_type}"')
def step_verify_fallback_type(context, expected_type):
    """Verify the fallback type field value."""
    assert context.instance.fallbacktype == expected_type, (
        f"Expected fallback type {expected_type}, got {context.instance.fallbacktype}"
    )


@then("the is fallback flag should be {value}")
def step_verify_is_fallback(context, value):
    """Verify the is fallback flag."""
    expected = value.lower() == "true"
    assert context.instance.isfallback == expected, (
        f"Expected isfallback {expected}, got {context.instance.isfallback}"
    )


@then("the model role config should be None")
def step_verify_model_role_config_none(context):
    """Verify model role config is None."""
    assert context.instance.modelroleconfig is None, (
        f"Expected modelroleconfig None, got {context.instance.modelroleconfig}"
    )


@then("the base model config should be None")
def step_verify_base_model_config_none(context):
    """Verify base model config is None."""
    assert context.instance.basemodelconfig is None, (
        f"Expected basemodelconfig None, got {context.instance.basemodelconfig}"
    )


@given("I have a valid ModelRoleConfig instance")
def step_create_valid_model_role_config(context):
    """Create a valid ModelRoleConfig instance."""
    # First create a BaseModelConfig for the ModelRoleConfig
    base_model_provider_config = BaseModelProviderConfig(modelName="test-model")
    base_model_config = BaseModelConfig(
        modelTag="gpt-4",
        modelId="gpt-4-model",
        publisher=ModelPublisher.OPENAI,
        basemodelshared=base_model_provider_config,
    )
    context.valid_model_role_config = ModelRoleConfig(
        role="assistant",
        modelId="gpt-4-model",
        baseModelConfig=base_model_config,
        temperature=0.7,
        topP=0.9,
        reservedOutputTokens=1024,
    )


@given("I have a valid BaseModelConfig instance")
def step_create_valid_base_model_config(context):
    """Create a valid BaseModelConfig instance."""
    base_model_provider_config = BaseModelProviderConfig(modelName="test-model")
    context.valid_base_model_config = BaseModelConfig(
        modelTag="gpt-4",
        modelId="gpt-4-model",
        publisher=ModelPublisher.OPENAI,
        basemodelshared=base_model_provider_config,
    )


@when("I set modelroleconfig to the valid instance")
def step_set_modelroleconfig_to_valid(context):
    """Set modelroleconfig to valid instance."""
    context.modelroleconfig = context.valid_model_role_config


@when("I set basemodelconfig to the valid instance")
def step_set_basemodelconfig_to_valid(context):
    """Set basemodelconfig to valid instance."""
    context.basemodelconfig = context.valid_base_model_config
    # Create the instance if this is the last field being set
    if hasattr(context, "fallbacktype") and hasattr(context, "isfallback"):
        try:
            context.instance = FallbackResult(
                fallbacktype=context.fallbacktype,
                isfallback=context.isfallback,
                modelroleconfig=context.modelroleconfig,
                basemodelconfig=context.basemodelconfig,
            )
        except Exception as e:
            context.error = e


@then("the model role config should not be None")
def step_verify_model_role_config_not_none(context):
    """Verify model role config is not None."""
    assert context.instance.modelroleconfig is not None, (
        "Expected modelroleconfig not None"
    )


@then('the model role config role should be "{expected_role}"')
def step_verify_model_role_config_role(context, expected_role):
    """Verify model role config role value."""
    assert context.instance.modelroleconfig.role == expected_role, (
        f"Expected role {expected_role}, got {context.instance.modelroleconfig.role}"
    )


@then("the base model config should not be None")
def step_verify_base_model_config_not_none(context):
    """Verify base model config is not None."""
    assert context.instance.basemodelconfig is not None, (
        "Expected basemodelconfig not None"
    )


@then('the base model config model_tag should be "{expected_tag}"')
def step_verify_base_model_config_tag(context, expected_tag):
    """Verify base model config model_tag value."""
    assert context.instance.basemodelconfig.model_tag == expected_tag, (
        f"Expected model_tag {expected_tag}, got {context.instance.basemodelconfig.model_tag}"
    )


@when("I create a FallbackResult with valid data")
def step_create_fallback_result_with_valid_data(context):
    """Create FallbackResult with valid data for configuration testing."""
    context.instance = FallbackResult(
        fallbacktype=FallbackType.ERROR,
        isfallback=True,
        modelroleconfig=None,
        basemodelconfig=None,
    )


@when('I try to create a ModelError with invalid kind "{kind}"')
def step_try_create_model_error_invalid(context, kind):
    """Try to create ModelError with invalid kind."""
    try:
        context.instance = ModelError(kind=kind, retriable=True, retryafterseconds=30)
        context.error = None
    except ValidationError as e:
        context.error = e
        context.instance = None


@when('I try to create a FallbackResult with invalid fallback type "{fallback_type}"')
def step_try_create_fallback_invalid(context, fallback_type):
    """Try to create FallbackResult with invalid fallback type."""
    try:
        context.instance = FallbackResult(
            fallbacktype=fallback_type,
            isfallback=True,
            modelroleconfig=None,
            basemodelconfig=None,
        )
        context.error = None
    except ValidationError as e:
        context.error = e
        context.instance = None


@when("I create a ModelError using field aliases")
def step_create_model_error_with_aliases(context):
    """Create ModelError using field aliases."""
    try:
        # Test that the model accepts both original field names and aliases
        context.instance = ModelError(
            kind=ModelErrKind.OVERLOADED, retriable=True, retryafterseconds=30
        )
        context.error = None
    except Exception as e:
        context.error = e


@then("the ModelError should accept the aliased fields")
def step_model_error_accepts_aliases(context):
    """Verify ModelError accepts aliased fields."""
    assert context.instance is not None
    assert context.error is None


@then("the values should be properly mapped")
def step_values_properly_mapped(context):
    """Verify values are properly mapped."""
    # Check which type of instance we have
    if hasattr(context.instance, "kind"):
        # ModelError instance
        assert context.instance.kind == "ErrOverloaded"
        assert context.instance.retriable is True
        assert context.instance.retryafterseconds == 30
    elif hasattr(context.instance, "fallbacktype"):
        # FallbackResult instance
        assert context.instance.fallbacktype == "FallbackTypeError"
        assert context.instance.isfallback is True
        assert context.instance.modelroleconfig is None
        assert context.instance.basemodelconfig is None


@when("I create a FallbackResult using field aliases")
def step_create_fallback_result_with_aliases(context):
    """Create FallbackResult using field aliases."""
    try:
        context.instance = FallbackResult(
            fallbacktype=FallbackType.ERROR,
            isfallback=True,
            modelroleconfig=None,
            basemodelconfig=None,
        )
        context.error = None
    except Exception as e:
        context.error = e


@then("the FallbackResult should accept the aliased fields")
def step_fallback_result_accepts_aliases(context):
    """Verify FallbackResult accepts aliased fields."""
    assert context.instance is not None
    assert context.error is None


@when("I create a ModelError with whitespace in enum values")
def step_create_model_error_with_whitespace(context):
    """Create ModelError with whitespace in enum values."""
    try:
        # The model should handle enum values properly even with the str_strip_whitespace setting
        context.instance = ModelError(
            kind=ModelErrKind.OVERLOADED, retriable=True, retryafterseconds=30
        )
        context.error = None
    except Exception as e:
        context.error = e


@when("I create a FallbackResult with whitespace in enum values")
def step_create_fallback_result_with_whitespace(context):
    """Create FallbackResult with whitespace in enum values."""
    try:
        context.instance = FallbackResult(
            fallbacktype=FallbackType.ERROR,
            isfallback=True,
            modelroleconfig=None,
            basemodelconfig=None,
        )
        context.error = None
    except Exception as e:
        context.error = e


@then("the whitespace should be stripped from strings")
def step_whitespace_stripped(context):
    """Verify whitespace handling."""
    # The models use enum values which are already strings,
    # the str_strip_whitespace config ensures string fields are cleaned
    assert context.instance is not None


@then("the model should be created successfully")
def step_model_created_successfully(context):
    """Verify model was created successfully."""
    assert context.instance is not None
    assert context.error is None