import json
import re

from moto.swf.exceptions import (
    SWFClientError,
    SWFUnknownResourceFault,
    SWFDomainAlreadyExistsFault,
    SWFDomainDeprecatedFault,
    SWFSerializationException,
    SWFTypeAlreadyExistsFault,
    SWFTypeDeprecatedFault,
    SWFWorkflowExecutionAlreadyStartedFault,
    SWFDefaultUndefinedFault,
    SWFValidationException,
    SWFDecisionValidationException,
)
from moto.swf.models import WorkflowType


def test_swf_client_error():
    ex = SWFClientError("ASpecificType", "error message")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "ASpecificType",
        "message": "error message",
    }


def test_swf_unknown_resource_fault():
    ex = SWFUnknownResourceFault("type", "detail")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#UnknownResourceFault",
        "message": "Unknown type: detail",
    }


def test_swf_unknown_resource_fault_with_only_one_parameter():
    ex = SWFUnknownResourceFault("foo bar baz")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#UnknownResourceFault",
        "message": "Unknown foo bar baz",
    }


def test_swf_domain_already_exists_fault():
    ex = SWFDomainAlreadyExistsFault("domain-name")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#DomainAlreadyExistsFault",
        "message": "domain-name",
    }


def test_swf_domain_deprecated_fault():
    ex = SWFDomainDeprecatedFault("domain-name")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#DomainDeprecatedFault",
        "message": "domain-name",
    }


def test_swf_serialization_exception():
    ex = SWFSerializationException("value")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#SerializationException",
        "message": (
            "class java.lang.Foo can not be converted to an String  (not "
            "a real SWF exception ; happened on: value)"
        ),
    }


def test_swf_type_already_exists_fault():
    wft = WorkflowType("wf-name", "wf-version")
    ex = SWFTypeAlreadyExistsFault(wft)

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#TypeAlreadyExistsFault",
        "message": "WorkflowType=[name=wf-name, version=wf-version]",
    }


def test_swf_type_deprecated_fault():
    wft = WorkflowType("wf-name", "wf-version")
    ex = SWFTypeDeprecatedFault(wft)

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#TypeDeprecatedFault",
        "message": "WorkflowType=[name=wf-name, version=wf-version]",
    }


def test_swf_workflow_execution_already_started_fault():
    ex = SWFWorkflowExecutionAlreadyStartedFault()

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#WorkflowExecutionAlreadyStartedFault",
        "message": "Already Started",
    }


def test_swf_default_undefined_fault():
    ex = SWFDefaultUndefinedFault("execution_start_to_close_timeout")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazonaws.swf.base.model#DefaultUndefinedFault",
        "message": "executionStartToCloseTimeout",
    }


def test_swf_validation_exception():
    ex = SWFValidationException("Invalid token")

    assert ex.code == 400
    assert json.loads(ex.get_body()) == {
        "__type": "com.amazon.coral.validate#ValidationException",
        "message": "Invalid token",
    }


def test_swf_decision_validation_error():
    ex = SWFDecisionValidationException(
        [
            {
                "type": "null_value",
                "where": "decisions.1.member.startTimerDecisionAttributes.startToFireTimeout",
            },
            {
                "type": "bad_decision_type",
                "value": "FooBar",
                "where": "decisions.1.member.decisionType",
                "possible_values": "Foo, Bar, Baz",
            },
        ]
    )

    assert ex.code == 400
    assert ex.error_type == "com.amazon.coral.validate#ValidationException"

    msg = ex.get_body()
    assert re.search(r"2 validation errors detected:", msg)
    assert re.search(
        r"Value null at 'decisions.1.member.startTimerDecisionAttributes.startToFireTimeout' "
        r"failed to satisfy constraint: Member must not be null;",
        msg,
    )
    assert re.search(
        r"Value 'FooBar' at 'decisions.1.member.decisionType' failed to satisfy constraint: "
        r"Member must satisfy enum value set: \[Foo, Bar, Baz\]",
        msg,
    )