#
# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License 2.0;
# you may not use this file except in compliance with the Elastic License 2.0.
#
"""This module is used to create multithreading jobs for Microsoft Teams objects.
"""
from .base_command import BaseCommand
from .msal_access_token import MSALAccessToken
from .utils import split_documents_into_equal_chunks


class IngestCommand(BaseCommand):
    """ This class creates the multithreading jobs for Teams, User Chats and Calendars objects
    """
    def create_jobs_for_teams(
        self,
        indexing_type,
        sync_microsoft_teams,
        thread_count,
        start_time,
        end_time,
        queue,
    ):
        """Creates jobs for fetching the teams and its children objects
        :param indexing_type: The type of the indexing i.e. Full or Incremental
        :param sync_microsoft_teams: Object for fetching the Microsoft Teams object
        :param thread_count: Thread count to make partitions
        :param start_time: Start time for fetching the data
        :param end_time: End time for fetching the data
        :param queue: Shared queue for storing the data
        """
        allowed_objects = [
            "teams",
            "channels",
            "channel_messages",
            "channel_tabs",
            "channel_documents",
        ]
        if not any(teams_object in self.config.get_value("object_type_to_index") for teams_object in allowed_objects):
            return

        storage_with_collection = self.local_storage.get_documents_from_doc_id_storage(
            "teams"
        )
        ids_list = storage_with_collection.get("global_keys", [])

        self.logger.debug("Started fetching the teams and its objects data...")
        microsoft_teams_object = self.microsoft_team_channel_object(
            self.get_access_token()
        )
        try:
            if self.config.get_value("enable_document_permission"):
                user_permissions = microsoft_teams_object.get_team_members()
                sync_microsoft_teams.sync_permissions(user_permissions)

            teams = sync_microsoft_teams.fetch_teams(microsoft_teams_object, ids_list)

            configuration_objects = self.config.get_value("object_type_to_index")

            teams_partition_list = split_documents_into_equal_chunks(
                teams, thread_count
            )

            channels = self.create_and_execute_jobs(
                thread_count,
                sync_microsoft_teams.fetch_channels,
                (
                    microsoft_teams_object,
                    ids_list
                ),
                teams_partition_list,
            )

            channels_partition_list = split_documents_into_equal_chunks(
                channels, thread_count
            )

            if "channel_messages" in configuration_objects:
                self.create_and_execute_jobs(
                    thread_count,
                    sync_microsoft_teams.fetch_channel_messages,
                    (
                        microsoft_teams_object,
                        start_time,
                        end_time,
                        ids_list
                    ),
                    channels_partition_list,
                )

            if "channel_tabs" in configuration_objects:
                self.create_and_execute_jobs(
                    thread_count,
                    sync_microsoft_teams.fetch_channel_tabs,
                    (
                        microsoft_teams_object,
                        start_time,
                        end_time,
                        ids_list
                    ),
                    channels_partition_list,
                )

            if "channel_documents" in configuration_objects:
                self.create_and_execute_jobs(
                    thread_count,
                    sync_microsoft_teams.fetch_channel_documents,
                    (
                        microsoft_teams_object,
                        start_time,
                        end_time,
                        ids_list
                    ),
                    teams_partition_list,
                )

            storage_with_collection["global_keys"] = list(ids_list)
            self.local_storage.update_storage(
                storage_with_collection, "teams"
            )

            self.logger.debug("Saving the checkpoint for Teams and its objects")
            queue.put_checkpoint("teams", end_time, indexing_type)
        except Exception as exception:
            self.logger.exception(
                f"Error while fetching the teams or it's objects data. Error: {exception}"
            )
        self.logger.info(
            "Completed fetching of teams and it's objects data to the Workplace Search"
        )

    def create_jobs_for_user_chats(
        self,
        indexing_type,
        sync_microsoft_teams,
        thread_count,
        start_time,
        end_time,
        queue,
    ):
        """Creates jobs for fetching the user chats and its children objects
        :param indexing_type: The type of the indexing i.e. Full or Incremental
        :param sync_microsoft_teams: Object for fetching the Microsoft Teams object
        :param thread_count: Thread count to make partitions
        :param start_time: Start time for fetching the data
        :param end_time: End time for fetching the data
        :param queue: Shared queue for storing the data
        """
        if "user_chats" not in self.config.get_value("object_type_to_index"):
            return
        self.logger.debug(
            "Started fetching the user chats, meeting chats, and meeting recordings..."
        )

        user_chat_object = self.microsoft_user_chats_object(
            self.get_access_token()
        )
        storage_with_collection = self.local_storage.get_documents_from_doc_id_storage(
            "user_chats"
        )
        ids_list = storage_with_collection.get("global_keys", [])

        try:

            user_permissions, chats = sync_microsoft_teams.fetch_user_chats(
                user_chat_object, ids_list
            )

            if self.config.get_value("enable_document_permission"):
                sync_microsoft_teams.sync_permissions(user_permissions)

            chats_partition_list = split_documents_into_equal_chunks(
                chats, thread_count
            )

            user_attachment_token = MSALAccessToken(self.logger, self.config)
            user_attachment_token = user_attachment_token.get_token(
                is_acquire_for_client=True
            )
            user_drive = {}

            self.create_and_execute_jobs(
                thread_count,
                sync_microsoft_teams.fetch_user_chat_messages,
                (
                    user_chat_object,
                    ids_list,
                    user_drive,
                    start_time,
                    end_time,
                    user_attachment_token,
                ),
                chats_partition_list,
            )

            storage_with_collection["global_keys"] = list(ids_list)
            self.local_storage.update_storage(
                storage_with_collection, "user_chats"
            )

            self.logger.debug("Saving the checkpoint for User Chats")
            queue.put_checkpoint("user_chats", end_time, indexing_type)
        except Exception as exception:
            self.logger.exception(
                f"Error while indexing user chats, meeting chats and meeting recordings. Error: "
                f"{exception}"
            )
        self.logger.info(
            "Completed fetching the user chats, meeting chats and meeting recordings"
        )

    def create_jobs_for_calendars(
        self, indexing_type, sync_microsoft_teams, start_time, end_time, queue
    ):
        """Creates jobs for fetching the calendar events
        :param indexing_type: The type of the indexing i.e. Full or Incremental
        :param sync_microsoft_teams: Object for fetching the Microsoft Teams object
        :param start_time: Start time for fetching the data
        :param end_time: End time for fetching the data
        :param queue: Shared queue for storing the data
        """
        self.logger.debug("Started fetching the calendar events from Microsoft Teams...")
        if "calendar" not in self.config.get_value("object_type_to_index"):
            return

        storage_with_collection = self.local_storage.get_documents_from_doc_id_storage("calendar")
        ids_list = storage_with_collection.get("global_keys", [])
        try:
            calendar_object = self.microsoft_calendar_object(
                self.get_access_token(is_acquire_for_client=True)
            )
            calendar_permissions = sync_microsoft_teams.fetch_calendars(
                calendar_object, ids_list, start_time, end_time
            )

            if self.config.get_value("enable_document_permission"):
                sync_microsoft_teams.sync_permissions(calendar_permissions)

            storage_with_collection["global_keys"] = list(ids_list)
            self.local_storage.update_storage(
                storage_with_collection, "calendar"
            )

            self.logger.debug("Saving the checkpoint for Calendars")
            queue.put_checkpoint("calendar", end_time, indexing_type)
        except Exception as exception:
            self.logger.exception(
                f"Error while fetching the calendars. Error: {exception}"
            )
        self.logger.info(
            "Completed fetching the calendar meetings"
        )