"""Initial migration

Revision ID: 001_initial
Revises: 
Create Date: 2024-01-01 00:00:00.000000

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

# revision identifiers, used by Alembic.
revision = '001_initial'
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create users table (enum will be created automatically by SQLAlchemy)
    op.create_table(
        'users',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('email', sa.String(length=255), nullable=False),
        sa.Column('hashed_password', sa.String(length=255), nullable=False),
        sa.Column('role', postgresql.ENUM('CHILD', 'PARENT', 'EDUCATOR', name='userrole'), nullable=False),
        sa.Column('full_name', sa.String(length=255), nullable=True),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_users_email', 'users', ['email'], unique=True)
    
    # Create schedules table
    op.create_table(
        'schedules',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('user_id', sa.String(), nullable=False),
        sa.Column('title', sa.String(length=255), nullable=False),
        sa.Column('date', sa.Date(), nullable=False),
        sa.Column('description', sa.String(length=1000), nullable=True),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_schedules_user_id', 'schedules', ['user_id'])
    op.create_index('ix_schedules_date', 'schedules', ['date'])
    
    # Create tasks table
    op.create_table(
        'tasks',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('schedule_id', sa.String(), nullable=False),
        sa.Column('title', sa.String(length=255), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('image_url', sa.String(length=500), nullable=True),
        sa.Column('duration_minutes', sa.Integer(), nullable=False, server_default='30'),
        sa.Column('completed', sa.Boolean(), nullable=False, server_default='false'),
        sa.Column('order', sa.Integer(), nullable=False, server_default='0'),
        sa.Column('category', sa.String(length=100), nullable=True),
        sa.ForeignKeyConstraint(['schedule_id'], ['schedules.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_tasks_schedule_id', 'tasks', ['schedule_id'])
    
    # Create rewards table
    op.create_table(
        'rewards',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('user_id', sa.String(), nullable=False),
        sa.Column('title', sa.String(length=255), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('image_url', sa.String(length=500), nullable=True),
        sa.Column('points_required', sa.Integer(), nullable=False, server_default='1'),
        sa.Column('is_claimed', sa.Boolean(), nullable=False, server_default='false'),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_rewards_user_id', 'rewards', ['user_id'])
    
    # Create ai_conversations table
    op.create_table(
        'ai_conversations',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('user_id', sa.String(), nullable=False),
        sa.Column('conversation_id', sa.String(), nullable=False),
        sa.Column('message', sa.Text(), nullable=False),
        sa.Column('response', sa.Text(), nullable=False),
        sa.Column('tokens_used', sa.Integer(), nullable=True),
        sa.Column('model', sa.String(length=100), nullable=True),
        sa.Column('context', postgresql.JSON(astext_type=sa.Text()), nullable=True),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('conversation_id')
    )
    op.create_index('ix_ai_conversations_user_id', 'ai_conversations', ['user_id'])
    op.create_index('ix_ai_conversations_conversation_id', 'ai_conversations', ['conversation_id'])


def downgrade() -> None:
    op.drop_index('ix_ai_conversations_conversation_id', table_name='ai_conversations')
    op.drop_index('ix_ai_conversations_user_id', table_name='ai_conversations')
    op.drop_table('ai_conversations')
    op.drop_index('ix_rewards_user_id', table_name='rewards')
    op.drop_table('rewards')
    op.drop_index('ix_tasks_schedule_id', table_name='tasks')
    op.drop_table('tasks')
    op.drop_index('ix_schedules_date', table_name='schedules')
    op.drop_index('ix_schedules_user_id', table_name='schedules')
    op.drop_table('schedules')
    op.drop_index('ix_users_email', table_name='users')
    op.drop_table('users')
    op.execute("DROP TYPE userrole")