from .api import Request, Response
from .types import Array, Int8, Int16, Int32, Int64, Schema, String


class OffsetCommitResponse_v0(Response):
    API_KEY = 8
    API_VERSION = 0
    SCHEMA = Schema(
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                ("partitions", Array(("partition", Int32), ("error_code", Int16))),
            ),
        )
    )


class OffsetCommitResponse_v1(Response):
    API_KEY = 8
    API_VERSION = 1
    SCHEMA = OffsetCommitResponse_v0.SCHEMA


class OffsetCommitResponse_v2(Response):
    API_KEY = 8
    API_VERSION = 2
    SCHEMA = OffsetCommitResponse_v1.SCHEMA


class OffsetCommitResponse_v3(Response):
    API_KEY = 8
    API_VERSION = 3
    SCHEMA = Schema(
        ("throttle_time_ms", Int32),
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                ("partitions", Array(("partition", Int32), ("error_code", Int16))),
            ),
        ),
    )


class OffsetCommitRequest_v0(Request):
    API_KEY = 8
    API_VERSION = 0  # Zookeeper-backed storage
    RESPONSE_TYPE = OffsetCommitResponse_v0
    SCHEMA = Schema(
        ("consumer_group", String("utf-8")),
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("metadata", String("utf-8")),
                    ),
                ),
            ),
        ),
    )


class OffsetCommitRequest_v1(Request):
    API_KEY = 8
    API_VERSION = 1  # Kafka-backed storage
    RESPONSE_TYPE = OffsetCommitResponse_v1
    SCHEMA = Schema(
        ("consumer_group", String("utf-8")),
        ("consumer_group_generation_id", Int32),
        ("consumer_id", String("utf-8")),
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("timestamp", Int64),
                        ("metadata", String("utf-8")),
                    ),
                ),
            ),
        ),
    )


class OffsetCommitRequest_v2(Request):
    API_KEY = 8
    API_VERSION = 2  # added retention_time, dropped timestamp
    RESPONSE_TYPE = OffsetCommitResponse_v2
    SCHEMA = Schema(
        ("consumer_group", String("utf-8")),
        ("consumer_group_generation_id", Int32),
        ("consumer_id", String("utf-8")),
        ("retention_time", Int64),
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("metadata", String("utf-8")),
                    ),
                ),
            ),
        ),
    )
    DEFAULT_GENERATION_ID = -1
    DEFAULT_RETENTION_TIME = -1


class OffsetCommitRequest_v3(Request):
    API_KEY = 8
    API_VERSION = 3
    RESPONSE_TYPE = OffsetCommitResponse_v3
    SCHEMA = OffsetCommitRequest_v2.SCHEMA


OffsetCommitRequest = [
    OffsetCommitRequest_v0,
    OffsetCommitRequest_v1,
    OffsetCommitRequest_v2,
    OffsetCommitRequest_v3,
]
OffsetCommitResponse = [
    OffsetCommitResponse_v0,
    OffsetCommitResponse_v1,
    OffsetCommitResponse_v2,
    OffsetCommitResponse_v3,
]


class OffsetFetchResponse_v0(Response):
    API_KEY = 9
    API_VERSION = 0
    SCHEMA = Schema(
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("metadata", String("utf-8")),
                        ("error_code", Int16),
                    ),
                ),
            ),
        )
    )


class OffsetFetchResponse_v1(Response):
    API_KEY = 9
    API_VERSION = 1
    SCHEMA = OffsetFetchResponse_v0.SCHEMA


class OffsetFetchResponse_v2(Response):
    # Added in KIP-88
    API_KEY = 9
    API_VERSION = 2
    SCHEMA = Schema(
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("metadata", String("utf-8")),
                        ("error_code", Int16),
                    ),
                ),
            ),
        ),
        ("error_code", Int16),
    )


class OffsetFetchResponse_v3(Response):
    API_KEY = 9
    API_VERSION = 3
    SCHEMA = Schema(
        ("throttle_time_ms", Int32),
        (
            "topics",
            Array(
                ("topic", String("utf-8")),
                (
                    "partitions",
                    Array(
                        ("partition", Int32),
                        ("offset", Int64),
                        ("metadata", String("utf-8")),
                        ("error_code", Int16),
                    ),
                ),
            ),
        ),
        ("error_code", Int16),
    )


class OffsetFetchRequest_v0(Request):
    API_KEY = 9
    API_VERSION = 0  # zookeeper-backed storage
    RESPONSE_TYPE = OffsetFetchResponse_v0
    SCHEMA = Schema(
        ("consumer_group", String("utf-8")),
        ("topics", Array(("topic", String("utf-8")), ("partitions", Array(Int32)))),
    )


class OffsetFetchRequest_v1(Request):
    API_KEY = 9
    API_VERSION = 1  # kafka-backed storage
    RESPONSE_TYPE = OffsetFetchResponse_v1
    SCHEMA = OffsetFetchRequest_v0.SCHEMA


class OffsetFetchRequest_v2(Request):
    # KIP-88: Allows passing null topics to return offsets for all partitions
    # that the consumer group has a stored offset for, even if no consumer in
    # the group is currently consuming that partition.
    API_KEY = 9
    API_VERSION = 2
    RESPONSE_TYPE = OffsetFetchResponse_v2
    SCHEMA = OffsetFetchRequest_v1.SCHEMA


class OffsetFetchRequest_v3(Request):
    API_KEY = 9
    API_VERSION = 3
    RESPONSE_TYPE = OffsetFetchResponse_v3
    SCHEMA = OffsetFetchRequest_v2.SCHEMA


OffsetFetchRequest = [
    OffsetFetchRequest_v0,
    OffsetFetchRequest_v1,
    OffsetFetchRequest_v2,
    OffsetFetchRequest_v3,
]
OffsetFetchResponse = [
    OffsetFetchResponse_v0,
    OffsetFetchResponse_v1,
    OffsetFetchResponse_v2,
    OffsetFetchResponse_v3,
]


class GroupCoordinatorResponse_v0(Response):
    API_KEY = 10
    API_VERSION = 0
    SCHEMA = Schema(
        ("error_code", Int16),
        ("coordinator_id", Int32),
        ("host", String("utf-8")),
        ("port", Int32),
    )


class GroupCoordinatorResponse_v1(Response):
    API_KEY = 10
    API_VERSION = 1
    SCHEMA = Schema(
        ("error_code", Int16),
        ("error_message", String("utf-8")),
        ("coordinator_id", Int32),
        ("host", String("utf-8")),
        ("port", Int32),
    )


class GroupCoordinatorRequest_v0(Request):
    API_KEY = 10
    API_VERSION = 0
    RESPONSE_TYPE = GroupCoordinatorResponse_v0
    SCHEMA = Schema(("consumer_group", String("utf-8")))


class GroupCoordinatorRequest_v1(Request):
    API_KEY = 10
    API_VERSION = 1
    RESPONSE_TYPE = GroupCoordinatorResponse_v1
    SCHEMA = Schema(("coordinator_key", String("utf-8")), ("coordinator_type", Int8))


GroupCoordinatorRequest = [GroupCoordinatorRequest_v0, GroupCoordinatorRequest_v1]
GroupCoordinatorResponse = [GroupCoordinatorResponse_v0, GroupCoordinatorResponse_v1]