"""create projects table

Revision ID: b2c3d4e5f6g7
Revises: 
Create Date: 2024-01-01 12:00:00.000000
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import func
import uuid

revision = 'b2c3d4e5f6g7'
down_revision = None
branch_labels = None
depends_on = None

def upgrade():
    op.create_table(
        'projects',
        sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
        sa.Column('title', sa.String(255)),
        sa.Column('description', sa.Text(), nullable=False),
        sa.Column('student_name', sa.String(100)),
        sa.Column('supervisor_name', sa.String(100)),
        sa.Column('department', sa.String(100)),
        sa.Column('year', sa.Integer(), nullable=False),
        sa.Column('status', sa.String(50)),
        sa.Column('technologies_used', sa.String(255)),
        sa.Column('github_link', sa.String(255)),
        sa.Column('documentation_link', sa.String(255)),
        sa.Column('grade', sa.String(10)),
        sa.Column('is_published', sa.Boolean(), default=False),
        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()),
        sa.PrimaryKeyConstraint('id')
    )
    
    op.create_index('ix_projects_title', 'projects', ['title'])
    op.create_index('ix_projects_student_name', 'projects', ['student_name'])
    op.create_index('ix_projects_year', 'projects', ['year'])

def downgrade():
    op.drop_index('ix_projects_year', 'projects')
    op.drop_index('ix_projects_student_name', 'projects')
    op.drop_index('ix_projects_title', 'projects')
    op.drop_table('projects')