"""Add Contact model

Revision ID: dbcb5d2d3ed0
Revises: d8dcbf9fe881
Create Date: 2025-05-23 08:55:10.537722

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy import inspect


# revision identifiers, used by Alembic.
revision = 'dbcb5d2d3ed0'
down_revision = 'd8dcbf9fe881'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    inspector = inspect(conn)
    tables = inspector.get_table_names()
    
    if 'contact' not in tables:
        op.create_table('contact',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('first_name', sa.String(length=100), nullable=False),
        sa.Column('last_name', sa.String(length=100), nullable=False),
        sa.Column('email', sa.String(length=150), nullable=False),
        sa.Column('phone', sa.String(length=20), nullable=True),
        sa.Column('company', sa.String(length=100), nullable=True),
        sa.Column('position', sa.String(length=100), nullable=True),
        sa.Column('notes', sa.Text(), nullable=True),
        sa.Column('created_at', sa.DateTime(), nullable=True),
        sa.Column('updated_at', sa.DateTime(), nullable=True),
        sa.Column('owner_id', sa.Integer(), nullable=False),
        sa.Column('is_active', sa.Boolean(), nullable=True),
        sa.ForeignKeyConstraint(['owner_id'], ['user.id'], ),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('email')
        )
    
    # Check if columns exist before adding them
    columns = [col['name'] for col in inspector.get_columns('user')]
    
    with op.batch_alter_table('user', schema=None) as batch_op:
        if 'is_admin' not in columns:
            batch_op.add_column(sa.Column('is_admin', sa.Boolean(), nullable=True))
        if 'created_at' not in columns:
            batch_op.add_column(sa.Column('created_at', sa.DateTime(), nullable=True))

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    inspector = inspect(conn)
    columns = [col['name'] for col in inspector.get_columns('user')]
    
    with op.batch_alter_table('user', schema=None) as batch_op:
        if 'created_at' in columns:
            batch_op.drop_column('created_at')
        if 'is_admin' in columns:
            batch_op.drop_column('is_admin')

    op.drop_table('contact')
    # ### end Alembic commands ###