"""
Copyright 2024-2026 ReplyPier

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""

"""Add Slack integration tables

Revision ID: add_slack_integration_001
Revises: add_allow_attachments_001
Create Date: 2025-11-25 10:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql


# revision identifiers, used by Alembic.
revision: str = 'add_slack_integration_001'
down_revision: Union[str, None] = 'add_allow_attachments_001'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # Create StorageMode enum type if it doesn't exist
    connection = op.get_bind()
    result = connection.execute(sa.text(
        "SELECT 1 FROM pg_type WHERE typname = 'storagemode'"
    ))
    if not result.fetchone():
        op.execute("CREATE TYPE storagemode AS ENUM ('FULL_CONTENT', 'METADATA_ONLY', 'EMBEDDINGS_ONLY')")

    # Create slack_tokens table
    op.create_table('slack_tokens',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('organization_id', sa.UUID(), nullable=False),
        sa.Column('access_token', sa.String(), nullable=False),
        sa.Column('bot_user_id', sa.String(), nullable=False),
        sa.Column('team_id', sa.String(), nullable=False),
        sa.Column('team_name', sa.String(), nullable=False),
        sa.Column('authed_user_id', sa.String(), nullable=True),
        sa.Column('scope', sa.String(), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.ForeignKeyConstraint(['organization_id'], ['organizations.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_slack_tokens_id'), 'slack_tokens', ['id'], unique=False)
    op.create_index(op.f('ix_slack_tokens_organization_id'), 'slack_tokens', ['organization_id'], unique=False)
    op.create_index(op.f('ix_slack_tokens_team_id'), 'slack_tokens', ['team_id'], unique=False)

    # Create slack_workspace_configs table
    op.create_table('slack_workspace_configs',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('organization_id', sa.UUID(), nullable=False),
        sa.Column('team_id', sa.String(), nullable=False),
        sa.Column('allowed_channel_ids', sa.JSON(), nullable=True),
        sa.Column('storage_mode', postgresql.ENUM('FULL_CONTENT', 'METADATA_ONLY', 'EMBEDDINGS_ONLY', name='storagemode', create_type=False), nullable=False),
        sa.Column('default_agent_id', sa.UUID(), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.ForeignKeyConstraint(['organization_id'], ['organizations.id'], ondelete='CASCADE'),
        sa.ForeignKeyConstraint(['default_agent_id'], ['agents.id'], ondelete='SET NULL'),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_slack_workspace_configs_id'), 'slack_workspace_configs', ['id'], unique=False)
    op.create_index(op.f('ix_slack_workspace_configs_organization_id'), 'slack_workspace_configs', ['organization_id'], unique=False)
    op.create_index(op.f('ix_slack_workspace_configs_team_id'), 'slack_workspace_configs', ['team_id'], unique=False)

    # Create agent_slack_configs table
    op.create_table('agent_slack_configs',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('organization_id', sa.UUID(), nullable=False),
        sa.Column('team_id', sa.String(), nullable=False),
        sa.Column('agent_id', sa.UUID(), nullable=False),
        sa.Column('channel_id', sa.String(), nullable=False),
        sa.Column('channel_name', sa.String(), nullable=False),
        sa.Column('enabled', sa.Boolean(), nullable=False, server_default='true'),
        sa.Column('respond_to_mentions', sa.Boolean(), nullable=False, server_default='true'),
        sa.Column('respond_to_reactions', sa.Boolean(), nullable=False, server_default='true'),
        sa.Column('respond_to_commands', sa.Boolean(), nullable=False, server_default='true'),
        sa.Column('reaction_emoji', sa.String(), nullable=False, server_default='robot_face'),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.ForeignKeyConstraint(['organization_id'], ['organizations.id'], ondelete='CASCADE'),
        sa.ForeignKeyConstraint(['agent_id'], ['agents.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('organization_id', 'channel_id', name='uq_agent_slack_config_org_channel')
    )
    op.create_index(op.f('ix_agent_slack_configs_id'), 'agent_slack_configs', ['id'], unique=False)
    op.create_index(op.f('ix_agent_slack_configs_organization_id'), 'agent_slack_configs', ['organization_id'], unique=False)
    op.create_index(op.f('ix_agent_slack_configs_team_id'), 'agent_slack_configs', ['team_id'], unique=False)
    op.create_index(op.f('ix_agent_slack_configs_agent_id'), 'agent_slack_configs', ['agent_id'], unique=False)
    op.create_index(op.f('ix_agent_slack_configs_channel_id'), 'agent_slack_configs', ['channel_id'], unique=False)

    # Create slack_conversations table
    op.create_table('slack_conversations',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('team_id', sa.String(), nullable=False),
        sa.Column('channel_id', sa.String(), nullable=False),
        sa.Column('thread_ts', sa.String(), nullable=False),
        sa.Column('session_id', sa.UUID(), nullable=False),
        sa.Column('agent_id', sa.UUID(), nullable=True),
        sa.Column('organization_id', sa.UUID(), nullable=False),
        sa.Column('slack_user_id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
        sa.ForeignKeyConstraint(['session_id'], ['session_to_agents.session_id'], ondelete='CASCADE'),
        sa.ForeignKeyConstraint(['agent_id'], ['agents.id'], ondelete='SET NULL'),
        sa.ForeignKeyConstraint(['organization_id'], ['organizations.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('team_id', 'channel_id', 'thread_ts', name='uq_slack_conversation_thread')
    )
    op.create_index(op.f('ix_slack_conversations_id'), 'slack_conversations', ['id'], unique=False)
    op.create_index(op.f('ix_slack_conversations_team_id'), 'slack_conversations', ['team_id'], unique=False)
    op.create_index(op.f('ix_slack_conversations_channel_id'), 'slack_conversations', ['channel_id'], unique=False)
    op.create_index(op.f('ix_slack_conversations_thread_ts'), 'slack_conversations', ['thread_ts'], unique=False)
    op.create_index(op.f('ix_slack_conversations_session_id'), 'slack_conversations', ['session_id'], unique=False)


def downgrade() -> None:
    # Drop slack_conversations table
    op.drop_index(op.f('ix_slack_conversations_session_id'), table_name='slack_conversations')
    op.drop_index(op.f('ix_slack_conversations_thread_ts'), table_name='slack_conversations')
    op.drop_index(op.f('ix_slack_conversations_channel_id'), table_name='slack_conversations')
    op.drop_index(op.f('ix_slack_conversations_team_id'), table_name='slack_conversations')
    op.drop_index(op.f('ix_slack_conversations_id'), table_name='slack_conversations')
    op.drop_table('slack_conversations')

    # Drop agent_slack_configs table
    op.drop_index(op.f('ix_agent_slack_configs_channel_id'), table_name='agent_slack_configs')
    op.drop_index(op.f('ix_agent_slack_configs_agent_id'), table_name='agent_slack_configs')
    op.drop_index(op.f('ix_agent_slack_configs_team_id'), table_name='agent_slack_configs')
    op.drop_index(op.f('ix_agent_slack_configs_organization_id'), table_name='agent_slack_configs')
    op.drop_index(op.f('ix_agent_slack_configs_id'), table_name='agent_slack_configs')
    op.drop_table('agent_slack_configs')

    # Drop slack_workspace_configs table
    op.drop_index(op.f('ix_slack_workspace_configs_team_id'), table_name='slack_workspace_configs')
    op.drop_index(op.f('ix_slack_workspace_configs_organization_id'), table_name='slack_workspace_configs')
    op.drop_index(op.f('ix_slack_workspace_configs_id'), table_name='slack_workspace_configs')
    op.drop_table('slack_workspace_configs')

    # Drop slack_tokens table
    op.drop_index(op.f('ix_slack_tokens_team_id'), table_name='slack_tokens')
    op.drop_index(op.f('ix_slack_tokens_organization_id'), table_name='slack_tokens')
    op.drop_index(op.f('ix_slack_tokens_id'), table_name='slack_tokens')
    op.drop_table('slack_tokens')

    # Drop StorageMode enum type
    sa.Enum('FULL_CONTENT', 'METADATA_ONLY', 'EMBEDDINGS_ONLY', name='storagemode').drop(op.get_bind(), checkfirst=True)