"""Init tables

Revision ID: init
Revises: 
Create Date: 2025-11-16 12:15:00.000000

"""
from alembic import op
import sqlalchemy as sa
from datetime import datetime, timezone


# revision identifiers, used by Alembic.
revision = 'init'
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Users table
    op.create_table('users',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('telegram_id', sa.Integer(), nullable=False),
        sa.Column('username', sa.String(length=255), nullable=True),
        sa.Column('first_name', sa.String(length=255), nullable=True),
        sa.Column('last_name', sa.String(length=255), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), 
                 nullable=True, default=lambda: datetime.now(timezone.utc)),
        sa.Column('is_admin', sa.Boolean(), nullable=True, default=False),
        sa.Column('account_number', sa.String(length=20), nullable=True),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_users_telegram_id', 'users', ['telegram_id'], unique=True)
    op.create_index('ix_users_account_number', 'users', ['account_number'], unique=False)

    # Lotteries table
    op.create_table('lotteries',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('title', sa.String(length=500), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), 
                 nullable=True, default=lambda: datetime.now(timezone.utc)),
        sa.Column('start_date', sa.DateTime(timezone=True), nullable=True),
        sa.Column('end_date', sa.DateTime(timezone=True), nullable=True),
        sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
        sa.Column('is_completed', sa.Boolean(), nullable=True, default=False),
        sa.Column('prizes', sa.JSON(), nullable=True),
        sa.Column('creator_id', sa.Integer(), nullable=False),
        sa.Column('manual_winners', sa.JSON(), nullable=True, default=dict),
        sa.Column('draw_results', sa.JSON(), nullable=True),
        sa.Column('winner_display_type', sa.String(length=20), nullable=True, default='username'),
        sa.ForeignKeyConstraint(['creator_id'], ['users.id']),
        sa.PrimaryKeyConstraint('id')
    )

    # Participations table
    op.create_table('participations',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=True),
        sa.Column('lottery_id', sa.Integer(), nullable=False),
        sa.Column('account_number', sa.String(length=20), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), 
                 nullable=True, default=lambda: datetime.now(timezone.utc)),
        sa.ForeignKeyConstraint(['lottery_id'], ['lotteries.id']),
        sa.ForeignKeyConstraint(['user_id'], ['users.id']),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_participations_account_number', 'participations', ['account_number'], unique=False)

    # Winners table
    op.create_table('winners',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('lottery_id', sa.Integer(), nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=True),
        sa.Column('account_number', sa.String(length=20), nullable=True),
        sa.Column('place', sa.Integer(), nullable=False),
        sa.Column('prize', sa.String(length=500), nullable=True),
        sa.Column('is_manual', sa.Boolean(), nullable=True, default=False),
        sa.Column('created_at', sa.DateTime(timezone=True), 
                 nullable=True, default=lambda: datetime.now(timezone.utc)),
        sa.ForeignKeyConstraint(['lottery_id'], ['lotteries.id']),
        sa.ForeignKeyConstraint(['user_id'], ['users.id']),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_winners_account_number', 'winners', ['account_number'], unique=False)


def downgrade() -> None:
    op.drop_index('ix_winners_account_number', table_name='winners')
    op.drop_table('winners')
    op.drop_index('ix_participations_account_number', table_name='participations')
    op.drop_table('participations')
    op.drop_table('lotteries')
    op.drop_index('ix_users_account_number', table_name='users')
    op.drop_index('ix_users_telegram_id', table_name='users')
    op.drop_table('users')