r"""
    This code was generated by
   ___ _ _ _ _ _    _ ____    ____ ____ _    ____ ____ _  _ ____ ____ ____ ___ __   __
    |  | | | | |    | |  | __ |  | |__| | __ | __ |___ |\ | |___ |__/ |__|  | |  | |__/
    |  |_|_| | |___ | |__|    |__| |  | |    |__] |___ | \| |___ |  \ |  |  | |__| |  \

    Twilio - Chat
    This is the public Twilio REST API.

    NOTE: This class is auto generated by OpenAPI Generator.
    https://openapi-generator.tech
    Do not edit the class manually.
"""

from datetime import datetime
from typing import Any, Dict, List, Optional, Union, Iterator, AsyncIterator
from twilio.base import deserialize, serialize, values
from twilio.base.instance_context import InstanceContext
from twilio.base.instance_resource import InstanceResource
from twilio.base.list_resource import ListResource
from twilio.base.version import Version
from twilio.base.page import Page


class MessageInstance(InstanceResource):

    class OrderType(object):
        ASC = "asc"
        DESC = "desc"

    class WebhookEnabledType(object):
        TRUE = "true"
        FALSE = "false"

    """
    :ivar sid: The unique string that we created to identify the Message resource.
    :ivar account_sid: The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Message resource.
    :ivar attributes: The JSON string that stores application-specific data. If attributes have not been set, `{}` is returned.
    :ivar service_sid: The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) the Message resource is associated with.
    :ivar to: The SID of the [Channel](https://www.twilio.com/docs/chat/channels) that the message was sent to.
    :ivar channel_sid: The SID of the [Channel](https://www.twilio.com/docs/chat/channels) the Message resource belongs to.
    :ivar date_created: The date and time in GMT when the resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
    :ivar date_updated: The date and time in GMT when the resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
    :ivar last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
    :ivar was_edited: Whether the message has been edited since it was created.
    :ivar _from: The [Identity](https://www.twilio.com/docs/chat/identity) of the message's author. The default value is `system`.
    :ivar body: The content of the message.
    :ivar index: The index of the message within the [Channel](https://www.twilio.com/docs/chat/channels). Indices may skip numbers, but will always be in order of when the message was received.
    :ivar type: The Message type. Can be: `text` or `media`.
    :ivar media: An object that describes the Message's media, if the message contains media. The object contains these fields: `content_type` with the MIME type of the media, `filename` with the name of the media, `sid` with the SID of the Media resource, and `size` with the media object's file size in bytes. If the Message has no media, this value is `null`.
    :ivar url: The absolute URL of the Message resource.
    """

    def __init__(
        self,
        version: Version,
        payload: Dict[str, Any],
        service_sid: str,
        channel_sid: str,
        sid: Optional[str] = None,
    ):
        super().__init__(version)

        self.sid: Optional[str] = payload.get("sid")
        self.account_sid: Optional[str] = payload.get("account_sid")
        self.attributes: Optional[str] = payload.get("attributes")
        self.service_sid: Optional[str] = payload.get("service_sid")
        self.to: Optional[str] = payload.get("to")
        self.channel_sid: Optional[str] = payload.get("channel_sid")
        self.date_created: Optional[datetime] = deserialize.iso8601_datetime(
            payload.get("date_created")
        )
        self.date_updated: Optional[datetime] = deserialize.iso8601_datetime(
            payload.get("date_updated")
        )
        self.last_updated_by: Optional[str] = payload.get("last_updated_by")
        self.was_edited: Optional[bool] = payload.get("was_edited")
        self._from: Optional[str] = payload.get("from")
        self.body: Optional[str] = payload.get("body")
        self.index: Optional[int] = deserialize.integer(payload.get("index"))
        self.type: Optional[str] = payload.get("type")
        self.media: Optional[Dict[str, object]] = payload.get("media")
        self.url: Optional[str] = payload.get("url")

        self._solution = {
            "service_sid": service_sid,
            "channel_sid": channel_sid,
            "sid": sid or self.sid,
        }
        self._context: Optional[MessageContext] = None

    @property
    def _proxy(self) -> "MessageContext":
        """
        Generate an instance context for the instance, the context is capable of
        performing various actions. All instance actions are proxied to the context

        :returns: MessageContext for this MessageInstance
        """
        if self._context is None:
            self._context = MessageContext(
                self._version,
                service_sid=self._solution["service_sid"],
                channel_sid=self._solution["channel_sid"],
                sid=self._solution["sid"],
            )
        return self._context

    def delete(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
    ) -> bool:
        """
        Deletes the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header

        :returns: True if delete succeeds, False otherwise
        """
        return self._proxy.delete(
            x_twilio_webhook_enabled=x_twilio_webhook_enabled,
        )

    async def delete_async(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
    ) -> bool:
        """
        Asynchronous coroutine that deletes the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header

        :returns: True if delete succeeds, False otherwise
        """
        return await self._proxy.delete_async(
            x_twilio_webhook_enabled=x_twilio_webhook_enabled,
        )

    def fetch(self) -> "MessageInstance":
        """
        Fetch the MessageInstance


        :returns: The fetched MessageInstance
        """
        return self._proxy.fetch()

    async def fetch_async(self) -> "MessageInstance":
        """
        Asynchronous coroutine to fetch the MessageInstance


        :returns: The fetched MessageInstance
        """
        return await self._proxy.fetch_async()

    def update(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        body: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        from_: Union[str, object] = values.unset,
    ) -> "MessageInstance":
        """
        Update the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the message's author.

        :returns: The updated MessageInstance
        """
        return self._proxy.update(
            x_twilio_webhook_enabled=x_twilio_webhook_enabled,
            body=body,
            attributes=attributes,
            date_created=date_created,
            date_updated=date_updated,
            last_updated_by=last_updated_by,
            from_=from_,
        )

    async def update_async(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        body: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        from_: Union[str, object] = values.unset,
    ) -> "MessageInstance":
        """
        Asynchronous coroutine to update the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the message's author.

        :returns: The updated MessageInstance
        """
        return await self._proxy.update_async(
            x_twilio_webhook_enabled=x_twilio_webhook_enabled,
            body=body,
            attributes=attributes,
            date_created=date_created,
            date_updated=date_updated,
            last_updated_by=last_updated_by,
            from_=from_,
        )

    def __repr__(self) -> str:
        """
        Provide a friendly representation

        :returns: Machine friendly representation
        """
        context = " ".join("{}={}".format(k, v) for k, v in self._solution.items())
        return "<Twilio.Chat.V2.MessageInstance {}>".format(context)


class MessageContext(InstanceContext):

    def __init__(self, version: Version, service_sid: str, channel_sid: str, sid: str):
        """
        Initialize the MessageContext

        :param version: Version that contains the resource
        :param service_sid: The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) to update the Message resource in.
        :param channel_sid: The SID of the [Channel](https://www.twilio.com/docs/chat/channels) the Message resource to update belongs to. This value can be the Channel resource's `sid` or `unique_name`.
        :param sid: The SID of the Message resource to update.
        """
        super().__init__(version)

        # Path Solution
        self._solution = {
            "service_sid": service_sid,
            "channel_sid": channel_sid,
            "sid": sid,
        }
        self._uri = (
            "/Services/{service_sid}/Channels/{channel_sid}/Messages/{sid}".format(
                **self._solution
            )
        )

    def delete(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
    ) -> bool:
        """
        Deletes the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header

        :returns: True if delete succeeds, False otherwise
        """
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
            }
        )

        return self._version.delete(method="DELETE", uri=self._uri, headers=headers)

    async def delete_async(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
    ) -> bool:
        """
        Asynchronous coroutine that deletes the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header

        :returns: True if delete succeeds, False otherwise
        """
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
            }
        )

        return await self._version.delete_async(
            method="DELETE", uri=self._uri, headers=headers
        )

    def fetch(self) -> MessageInstance:
        """
        Fetch the MessageInstance


        :returns: The fetched MessageInstance
        """

        payload = self._version.fetch(
            method="GET",
            uri=self._uri,
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=self._solution["sid"],
        )

    async def fetch_async(self) -> MessageInstance:
        """
        Asynchronous coroutine to fetch the MessageInstance


        :returns: The fetched MessageInstance
        """

        payload = await self._version.fetch_async(
            method="GET",
            uri=self._uri,
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=self._solution["sid"],
        )

    def update(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        body: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        from_: Union[str, object] = values.unset,
    ) -> MessageInstance:
        """
        Update the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the message's author.

        :returns: The updated MessageInstance
        """
        data = values.of(
            {
                "Body": body,
                "Attributes": attributes,
                "DateCreated": serialize.iso8601_datetime(date_created),
                "DateUpdated": serialize.iso8601_datetime(date_updated),
                "LastUpdatedBy": last_updated_by,
                "From": from_,
            }
        )
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
            }
        )

        payload = self._version.update(
            method="POST", uri=self._uri, data=data, headers=headers
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=self._solution["sid"],
        )

    async def update_async(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        body: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        from_: Union[str, object] = values.unset,
    ) -> MessageInstance:
        """
        Asynchronous coroutine to update the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the message's author.

        :returns: The updated MessageInstance
        """
        data = values.of(
            {
                "Body": body,
                "Attributes": attributes,
                "DateCreated": serialize.iso8601_datetime(date_created),
                "DateUpdated": serialize.iso8601_datetime(date_updated),
                "LastUpdatedBy": last_updated_by,
                "From": from_,
            }
        )
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
            }
        )

        payload = await self._version.update_async(
            method="POST", uri=self._uri, data=data, headers=headers
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=self._solution["sid"],
        )

    def __repr__(self) -> str:
        """
        Provide a friendly representation

        :returns: Machine friendly representation
        """
        context = " ".join("{}={}".format(k, v) for k, v in self._solution.items())
        return "<Twilio.Chat.V2.MessageContext {}>".format(context)


class MessagePage(Page):

    def get_instance(self, payload: Dict[str, Any]) -> MessageInstance:
        """
        Build an instance of MessageInstance

        :param payload: Payload response from the API
        """
        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
        )

    def __repr__(self) -> str:
        """
        Provide a friendly representation

        :returns: Machine friendly representation
        """
        return "<Twilio.Chat.V2.MessagePage>"


class MessageList(ListResource):

    def __init__(self, version: Version, service_sid: str, channel_sid: str):
        """
        Initialize the MessageList

        :param version: Version that contains the resource
        :param service_sid: The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) to read the Message resources from.
        :param channel_sid: The SID of the [Channel](https://www.twilio.com/docs/chat/channels) the Message resource to read belongs to. This value can be the Channel resource's `sid` or `unique_name`.

        """
        super().__init__(version)

        # Path Solution
        self._solution = {
            "service_sid": service_sid,
            "channel_sid": channel_sid,
        }
        self._uri = "/Services/{service_sid}/Channels/{channel_sid}/Messages".format(
            **self._solution
        )

    def create(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        from_: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        body: Union[str, object] = values.unset,
        media_sid: Union[str, object] = values.unset,
    ) -> MessageInstance:
        """
        Create the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the new message's author. The default value is `system`.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param media_sid: The SID of the [Media](https://www.twilio.com/docs/chat/rest/media) to attach to the new Message.

        :returns: The created MessageInstance
        """

        data = values.of(
            {
                "From": from_,
                "Attributes": attributes,
                "DateCreated": serialize.iso8601_datetime(date_created),
                "DateUpdated": serialize.iso8601_datetime(date_updated),
                "LastUpdatedBy": last_updated_by,
                "Body": body,
                "MediaSid": media_sid,
            }
        )
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
                "Content-Type": "application/x-www-form-urlencoded",
            }
        )

        payload = self._version.create(
            method="POST", uri=self._uri, data=data, headers=headers
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
        )

    async def create_async(
        self,
        x_twilio_webhook_enabled: Union[
            "MessageInstance.WebhookEnabledType", object
        ] = values.unset,
        from_: Union[str, object] = values.unset,
        attributes: Union[str, object] = values.unset,
        date_created: Union[datetime, object] = values.unset,
        date_updated: Union[datetime, object] = values.unset,
        last_updated_by: Union[str, object] = values.unset,
        body: Union[str, object] = values.unset,
        media_sid: Union[str, object] = values.unset,
    ) -> MessageInstance:
        """
        Asynchronously create the MessageInstance

        :param x_twilio_webhook_enabled: The X-Twilio-Webhook-Enabled HTTP request header
        :param from_: The [Identity](https://www.twilio.com/docs/chat/identity) of the new message's author. The default value is `system`.
        :param attributes: A valid JSON string that contains application-specific data.
        :param date_created: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service. This parameter should only be used when a Chat's history is being recreated from a backup/separate source.
        :param date_updated: The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
        :param last_updated_by: The [Identity](https://www.twilio.com/docs/chat/identity) of the User who last updated the Message, if applicable.
        :param body: The message to send to the channel. Can be an empty string or `null`, which sets the value as an empty string. You can send structured data in the body by serializing it as a string.
        :param media_sid: The SID of the [Media](https://www.twilio.com/docs/chat/rest/media) to attach to the new Message.

        :returns: The created MessageInstance
        """

        data = values.of(
            {
                "From": from_,
                "Attributes": attributes,
                "DateCreated": serialize.iso8601_datetime(date_created),
                "DateUpdated": serialize.iso8601_datetime(date_updated),
                "LastUpdatedBy": last_updated_by,
                "Body": body,
                "MediaSid": media_sid,
            }
        )
        headers = values.of(
            {
                "X-Twilio-Webhook-Enabled": x_twilio_webhook_enabled,
                "Content-Type": "application/x-www-form-urlencoded",
            }
        )

        payload = await self._version.create_async(
            method="POST", uri=self._uri, data=data, headers=headers
        )

        return MessageInstance(
            self._version,
            payload,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
        )

    def stream(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> Iterator[MessageInstance]:
        """
        Streams MessageInstance records from the API as a generator stream.
        This operation lazily loads records as efficiently as possible until the limit
        is reached.
        The results are returned as a generator, so this operation is memory efficient.

        :param &quot;MessageInstance.OrderType&quot; order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param limit: Upper limit for the number of records to return. stream()
                      guarantees to never return more than limit.  Default is no limit
        :param page_size: Number of records to fetch per request, when not set will use
                          the default value of 50 records.  If no page_size is defined
                          but a limit is defined, stream() will attempt to read the
                          limit with the most efficient page size, i.e. min(limit, 1000)

        :returns: Generator that will yield up to limit results
        """
        limits = self._version.read_limits(limit, page_size)
        page = self.page(order=order, page_size=limits["page_size"])

        return self._version.stream(page, limits["limit"])

    async def stream_async(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> AsyncIterator[MessageInstance]:
        """
        Asynchronously streams MessageInstance records from the API as a generator stream.
        This operation lazily loads records as efficiently as possible until the limit
        is reached.
        The results are returned as a generator, so this operation is memory efficient.

        :param &quot;MessageInstance.OrderType&quot; order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param limit: Upper limit for the number of records to return. stream()
                      guarantees to never return more than limit.  Default is no limit
        :param page_size: Number of records to fetch per request, when not set will use
                          the default value of 50 records.  If no page_size is defined
                          but a limit is defined, stream() will attempt to read the
                          limit with the most efficient page size, i.e. min(limit, 1000)

        :returns: Generator that will yield up to limit results
        """
        limits = self._version.read_limits(limit, page_size)
        page = await self.page_async(order=order, page_size=limits["page_size"])

        return self._version.stream_async(page, limits["limit"])

    def list(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> List[MessageInstance]:
        """
        Lists MessageInstance records from the API as a list.
        Unlike stream(), this operation is eager and will load `limit` records into
        memory before returning.

        :param &quot;MessageInstance.OrderType&quot; order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param limit: Upper limit for the number of records to return. list() guarantees
                      never to return more than limit.  Default is no limit
        :param page_size: Number of records to fetch per request, when not set will use
                          the default value of 50 records.  If no page_size is defined
                          but a limit is defined, list() will attempt to read the limit
                          with the most efficient page size, i.e. min(limit, 1000)

        :returns: list that will contain up to limit results
        """
        return list(
            self.stream(
                order=order,
                limit=limit,
                page_size=page_size,
            )
        )

    async def list_async(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> List[MessageInstance]:
        """
        Asynchronously lists MessageInstance records from the API as a list.
        Unlike stream(), this operation is eager and will load `limit` records into
        memory before returning.

        :param &quot;MessageInstance.OrderType&quot; order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param limit: Upper limit for the number of records to return. list() guarantees
                      never to return more than limit.  Default is no limit
        :param page_size: Number of records to fetch per request, when not set will use
                          the default value of 50 records.  If no page_size is defined
                          but a limit is defined, list() will attempt to read the limit
                          with the most efficient page size, i.e. min(limit, 1000)

        :returns: list that will contain up to limit results
        """
        return [
            record
            async for record in await self.stream_async(
                order=order,
                limit=limit,
                page_size=page_size,
            )
        ]

    def page(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        page_token: Union[str, object] = values.unset,
        page_number: Union[int, object] = values.unset,
        page_size: Union[int, object] = values.unset,
    ) -> MessagePage:
        """
        Retrieve a single page of MessageInstance records from the API.
        Request is executed immediately

        :param order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param page_token: PageToken provided by the API
        :param page_number: Page Number, this value is simply for client state
        :param page_size: Number of records to return, defaults to 50

        :returns: Page of MessageInstance
        """
        data = values.of(
            {
                "Order": order,
                "PageToken": page_token,
                "Page": page_number,
                "PageSize": page_size,
            }
        )

        response = self._version.page(method="GET", uri=self._uri, params=data)
        return MessagePage(self._version, response, self._solution)

    async def page_async(
        self,
        order: Union["MessageInstance.OrderType", object] = values.unset,
        page_token: Union[str, object] = values.unset,
        page_number: Union[int, object] = values.unset,
        page_size: Union[int, object] = values.unset,
    ) -> MessagePage:
        """
        Asynchronously retrieve a single page of MessageInstance records from the API.
        Request is executed immediately

        :param order: The sort order of the returned messages. Can be: `asc` (ascending) or `desc` (descending) with `asc` as the default.
        :param page_token: PageToken provided by the API
        :param page_number: Page Number, this value is simply for client state
        :param page_size: Number of records to return, defaults to 50

        :returns: Page of MessageInstance
        """
        data = values.of(
            {
                "Order": order,
                "PageToken": page_token,
                "Page": page_number,
                "PageSize": page_size,
            }
        )

        response = await self._version.page_async(
            method="GET", uri=self._uri, params=data
        )
        return MessagePage(self._version, response, self._solution)

    def get_page(self, target_url: str) -> MessagePage:
        """
        Retrieve a specific page of MessageInstance records from the API.
        Request is executed immediately

        :param target_url: API-generated URL for the requested results page

        :returns: Page of MessageInstance
        """
        response = self._version.domain.twilio.request("GET", target_url)
        return MessagePage(self._version, response, self._solution)

    async def get_page_async(self, target_url: str) -> MessagePage:
        """
        Asynchronously retrieve a specific page of MessageInstance records from the API.
        Request is executed immediately

        :param target_url: API-generated URL for the requested results page

        :returns: Page of MessageInstance
        """
        response = await self._version.domain.twilio.request_async("GET", target_url)
        return MessagePage(self._version, response, self._solution)

    def get(self, sid: str) -> MessageContext:
        """
        Constructs a MessageContext

        :param sid: The SID of the Message resource to update.
        """
        return MessageContext(
            self._version,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=sid,
        )

    def __call__(self, sid: str) -> MessageContext:
        """
        Constructs a MessageContext

        :param sid: The SID of the Message resource to update.
        """
        return MessageContext(
            self._version,
            service_sid=self._solution["service_sid"],
            channel_sid=self._solution["channel_sid"],
            sid=sid,
        )

    def __repr__(self) -> str:
        """
        Provide a friendly representation

        :returns: Machine friendly representation
        """
        return "<Twilio.Chat.V2.MessageList>"
