"""add notification settings and history tables

Revision ID: d4e5f6a7b8c9
Revises: c3d4e5f6a7b8
Create Date: 2026-03-29 10:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'd4e5f6a7b8c9'
down_revision: Union[str, None] = 'c3d4e5f6a7b8'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'notification_settings',
        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column('user_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=False),
        sa.Column('channel_type', sa.Enum('discord', 'telegram', name='channeltype'), nullable=False),
        sa.Column('webhook_url', sa.String(500), nullable=False),
        sa.Column('enabled', sa.Boolean(), server_default='true'),
        sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
        sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now()),
    )
    op.create_index('ix_notification_settings_id', 'notification_settings', ['id'])
    op.create_index('ix_notification_settings_user_id', 'notification_settings', ['user_id'])

    op.create_table(
        'notification_history',
        sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column('signal_id', sa.Integer(), sa.ForeignKey('signals.id'), nullable=False),
        sa.Column('channel_type', sa.Enum('discord', 'telegram', name='channeltype', create_type=False), nullable=False),
        sa.Column('sent_at', sa.DateTime(), server_default=sa.func.now()),
        sa.Column('status', sa.Enum('sent', 'failed', name='notificationstatus'), nullable=False),
        sa.Column('message', sa.Text(), nullable=True),
        sa.Column('error_message', sa.Text(), nullable=True),
    )
    op.create_index('ix_notification_history_id', 'notification_history', ['id'])
    op.create_index('ix_notification_history_signal_id', 'notification_history', ['signal_id'])


def downgrade() -> None:
    op.drop_index('ix_notification_history_signal_id', table_name='notification_history')
    op.drop_index('ix_notification_history_id', table_name='notification_history')
    op.drop_table('notification_history')

    op.drop_index('ix_notification_settings_user_id', table_name='notification_settings')
    op.drop_index('ix_notification_settings_id', table_name='notification_settings')
    op.drop_table('notification_settings')

    sa.Enum(name='notificationstatus').drop(op.get_bind(), checkfirst=True)
    sa.Enum(name='channeltype').drop(op.get_bind(), checkfirst=True)