"""create users table

Revision ID: b4d8e2f1a3c9
Revises: 
Create Date: 2024-01-24 10:00:00.000000
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import func
import uuid

revision = 'b4d8e2f1a3c9'
down_revision = None
branch_labels = None
depends_on = None

def upgrade():
    op.create_table(
        'users',
        sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
        sa.Column('first_name', sa.String(), nullable=False),
        sa.Column('last_name', sa.String(), nullable=False),
        sa.Column('email', sa.String(), nullable=False, unique=True),
        sa.Column('password', sa.String(), nullable=False),
        sa.Column('role', sa.String(), nullable=False, server_default='student'),
        sa.Column('grade_level', sa.Integer(), nullable=True),
        sa.Column('student_id', sa.String(), unique=True, nullable=True),
        sa.Column('phone_number', sa.String(), nullable=True),
        sa.Column('address', sa.String(), nullable=True),
        sa.Column('date_of_birth', sa.DateTime(), nullable=True),
        sa.Column('is_active', sa.Boolean(), server_default='true'),
        sa.Column('last_login', sa.DateTime(), nullable=True),
        sa.Column('profile_picture', sa.String(), nullable=True),
        sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
        sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now(), onupdate=sa.func.now())
    )
    
    op.create_index('ix_users_email', 'users', ['email'])

def downgrade():
    op.drop_index('ix_users_email', 'users')
    op.drop_table('users')