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

    Twilio - Studio
    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
from twilio.rest.studio.v1.flow.engagement.engagement_context import (
    EngagementContextList,
)
from twilio.rest.studio.v1.flow.engagement.step import StepList


class EngagementInstance(InstanceResource):

    class Status(object):
        ACTIVE = "active"
        ENDED = "ended"

    """
    :ivar sid: The unique string that we created to identify the Engagement resource.
    :ivar account_sid: The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Engagement resource.
    :ivar flow_sid: The SID of the Flow.
    :ivar contact_sid: The SID of the Contact.
    :ivar contact_channel_address: The phone number, SIP address or Client identifier that triggered this Engagement. Phone numbers are in E.164 format (+16175551212). SIP addresses are formatted as `name@company.com`. Client identifiers are formatted `client:name`.
    :ivar context: The current state of the execution flow. As your flow executes, we save the state in a flow context. Your widgets can access the data in the flow context as variables, either in configuration fields or in text areas as variable substitution.
    :ivar status: 
    :ivar date_created: The date and time in GMT when the Engagement was created in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
    :ivar date_updated: The date and time in GMT when the Engagement was updated in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
    :ivar url: The absolute URL of the resource.
    :ivar links: The URLs of the Engagement's nested resources.
    """

    def __init__(
        self,
        version: Version,
        payload: Dict[str, Any],
        flow_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.flow_sid: Optional[str] = payload.get("flow_sid")
        self.contact_sid: Optional[str] = payload.get("contact_sid")
        self.contact_channel_address: Optional[str] = payload.get(
            "contact_channel_address"
        )
        self.context: Optional[Dict[str, object]] = payload.get("context")
        self.status: Optional["EngagementInstance.Status"] = payload.get("status")
        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.url: Optional[str] = payload.get("url")
        self.links: Optional[Dict[str, object]] = payload.get("links")

        self._solution = {
            "flow_sid": flow_sid,
            "sid": sid or self.sid,
        }
        self._context: Optional[EngagementContext] = None

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

        :returns: EngagementContext for this EngagementInstance
        """
        if self._context is None:
            self._context = EngagementContext(
                self._version,
                flow_sid=self._solution["flow_sid"],
                sid=self._solution["sid"],
            )
        return self._context

    def delete(self) -> bool:
        """
        Deletes the EngagementInstance


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

    async def delete_async(self) -> bool:
        """
        Asynchronous coroutine that deletes the EngagementInstance


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

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


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

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


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

    @property
    def engagement_context(self) -> EngagementContextList:
        """
        Access the engagement_context
        """
        return self._proxy.engagement_context

    @property
    def steps(self) -> StepList:
        """
        Access the steps
        """
        return self._proxy.steps

    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.Studio.V1.EngagementInstance {}>".format(context)


class EngagementContext(InstanceContext):

    def __init__(self, version: Version, flow_sid: str, sid: str):
        """
        Initialize the EngagementContext

        :param version: Version that contains the resource
        :param flow_sid: The SID of the Flow.
        :param sid: The SID of the Engagement resource to fetch.
        """
        super().__init__(version)

        # Path Solution
        self._solution = {
            "flow_sid": flow_sid,
            "sid": sid,
        }
        self._uri = "/Flows/{flow_sid}/Engagements/{sid}".format(**self._solution)

        self._engagement_context: Optional[EngagementContextList] = None
        self._steps: Optional[StepList] = None

    def delete(self) -> bool:
        """
        Deletes the EngagementInstance


        :returns: True if delete succeeds, False otherwise
        """
        return self._version.delete(
            method="DELETE",
            uri=self._uri,
        )

    async def delete_async(self) -> bool:
        """
        Asynchronous coroutine that deletes the EngagementInstance


        :returns: True if delete succeeds, False otherwise
        """
        return await self._version.delete_async(
            method="DELETE",
            uri=self._uri,
        )

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


        :returns: The fetched EngagementInstance
        """

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

        return EngagementInstance(
            self._version,
            payload,
            flow_sid=self._solution["flow_sid"],
            sid=self._solution["sid"],
        )

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


        :returns: The fetched EngagementInstance
        """

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

        return EngagementInstance(
            self._version,
            payload,
            flow_sid=self._solution["flow_sid"],
            sid=self._solution["sid"],
        )

    @property
    def engagement_context(self) -> EngagementContextList:
        """
        Access the engagement_context
        """
        if self._engagement_context is None:
            self._engagement_context = EngagementContextList(
                self._version,
                self._solution["flow_sid"],
                self._solution["sid"],
            )
        return self._engagement_context

    @property
    def steps(self) -> StepList:
        """
        Access the steps
        """
        if self._steps is None:
            self._steps = StepList(
                self._version,
                self._solution["flow_sid"],
                self._solution["sid"],
            )
        return self._steps

    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.Studio.V1.EngagementContext {}>".format(context)


class EngagementPage(Page):

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

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

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

        :returns: Machine friendly representation
        """
        return "<Twilio.Studio.V1.EngagementPage>"


class EngagementList(ListResource):

    def __init__(self, version: Version, flow_sid: str):
        """
        Initialize the EngagementList

        :param version: Version that contains the resource
        :param flow_sid: The SID of the Flow to read Engagements from.

        """
        super().__init__(version)

        # Path Solution
        self._solution = {
            "flow_sid": flow_sid,
        }
        self._uri = "/Flows/{flow_sid}/Engagements".format(**self._solution)

    def create(
        self, to: str, from_: str, parameters: Union[object, object] = values.unset
    ) -> EngagementInstance:
        """
        Create the EngagementInstance

        :param to: The Contact phone number to start a Studio Flow Engagement, available as variable `{{contact.channel.address}}`.
        :param from_: The Twilio phone number to send messages or initiate calls from during the Flow Engagement. Available as variable `{{flow.channel.address}}`
        :param parameters: A JSON string we will add to your flow's context and that you can access as variables inside your flow. For example, if you pass in `Parameters={'name':'Zeke'}` then inside a widget you can reference the variable `{{flow.data.name}}` which will return the string 'Zeke'. Note: the JSON value must explicitly be passed as a string, not as a hash object. Depending on your particular HTTP library, you may need to add quotes or URL encode your JSON string.

        :returns: The created EngagementInstance
        """

        data = values.of(
            {
                "To": to,
                "From": from_,
                "Parameters": serialize.object(parameters),
            }
        )
        headers = values.of({"Content-Type": "application/x-www-form-urlencoded"})

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

        return EngagementInstance(
            self._version, payload, flow_sid=self._solution["flow_sid"]
        )

    async def create_async(
        self, to: str, from_: str, parameters: Union[object, object] = values.unset
    ) -> EngagementInstance:
        """
        Asynchronously create the EngagementInstance

        :param to: The Contact phone number to start a Studio Flow Engagement, available as variable `{{contact.channel.address}}`.
        :param from_: The Twilio phone number to send messages or initiate calls from during the Flow Engagement. Available as variable `{{flow.channel.address}}`
        :param parameters: A JSON string we will add to your flow's context and that you can access as variables inside your flow. For example, if you pass in `Parameters={'name':'Zeke'}` then inside a widget you can reference the variable `{{flow.data.name}}` which will return the string 'Zeke'. Note: the JSON value must explicitly be passed as a string, not as a hash object. Depending on your particular HTTP library, you may need to add quotes or URL encode your JSON string.

        :returns: The created EngagementInstance
        """

        data = values.of(
            {
                "To": to,
                "From": from_,
                "Parameters": serialize.object(parameters),
            }
        )
        headers = values.of({"Content-Type": "application/x-www-form-urlencoded"})

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

        return EngagementInstance(
            self._version, payload, flow_sid=self._solution["flow_sid"]
        )

    def stream(
        self,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> Iterator[EngagementInstance]:
        """
        Streams EngagementInstance 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 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(page_size=limits["page_size"])

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

    async def stream_async(
        self,
        limit: Optional[int] = None,
        page_size: Optional[int] = None,
    ) -> AsyncIterator[EngagementInstance]:
        """
        Asynchronously streams EngagementInstance 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 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(page_size=limits["page_size"])

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

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

        :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(
                limit=limit,
                page_size=page_size,
            )
        )

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

        :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(
                limit=limit,
                page_size=page_size,
            )
        ]

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

        :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 EngagementInstance
        """
        data = values.of(
            {
                "PageToken": page_token,
                "Page": page_number,
                "PageSize": page_size,
            }
        )

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

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

        :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 EngagementInstance
        """
        data = values.of(
            {
                "PageToken": page_token,
                "Page": page_number,
                "PageSize": page_size,
            }
        )

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

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

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

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

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

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

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

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

        :param sid: The SID of the Engagement resource to fetch.
        """
        return EngagementContext(
            self._version, flow_sid=self._solution["flow_sid"], sid=sid
        )

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

        :param sid: The SID of the Engagement resource to fetch.
        """
        return EngagementContext(
            self._version, flow_sid=self._solution["flow_sid"], sid=sid
        )

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

        :returns: Machine friendly representation
        """
        return "<Twilio.Studio.V1.EngagementList>"
