"""Initial schema for training service

Revision ID: 0001
Revises: 
Create Date: 2025-09-30 18:00:00.0000

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

# revision identifiers, used by Alembic.
revision = '00001'
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table('training_jobs',
        sa.Column('id', sa.UUID(), nullable=False),
        sa.Column('tenant_id', sa.UUID(), nullable=False),
        sa.Column('model_id', sa.UUID(), nullable=False),
        sa.Column('job_name', sa.String(255), nullable=False),
        sa.Column('job_type', sa.String(100), nullable=False),
        sa.Column('status', sa.String(50), nullable=True),
        sa.Column('progress', sa.Float(), nullable=True),
        sa.Column('parameters', postgresql.JSON(astext_type=sa.Text()), nullable=True),
        sa.Column('metrics', postgresql.JSON(astext_type=sa.Text()), nullable=True),
        sa.Column('training_data_path', sa.String(500), nullable=True),
        sa.Column('model_path', sa.String(500), nullable=True),
        sa.Column('started_at', sa.DateTime(), nullable=True),
        sa.Column('completed_at', sa.DateTime(), nullable=True),
        sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(), nullable=True),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_training_jobs_tenant_id'), 'training_jobs', ['tenant_id'], unique=False)
    op.create_index(op.f('ix_training_jobs_model_id'), 'training_jobs', ['model_id'], unique=False)
    op.create_index(op.f('ix_training_jobs_status'), 'training_jobs', ['status'], unique=False)
    op.create_index(op.f('ix_training_jobs_job_type'), 'training_jobs', ['job_type'], unique=False)
    
    op.create_table('ml_models',
        sa.Column('id', sa.UUID(), nullable=False),
        sa.Column('tenant_id', sa.UUID(), nullable=False),
        sa.Column('name', sa.String(255), nullable=False),
        sa.Column('version', sa.String(50), nullable=False),
        sa.Column('model_type', sa.String(100), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('status', sa.String(50), nullable=True),
        sa.Column('accuracy', sa.Float(), nullable=True),
        sa.Column('f1_score', sa.Float(), nullable=True),
        sa.Column('precision', sa.Float(), nullable=True),
        sa.Column('recall', sa.Float(), nullable=True),
        sa.Column('model_path', sa.String(500), nullable=True),
        sa.Column('hyperparameters', postgresql.JSON(astext_type=sa.Text()), nullable=True),
        sa.Column('training_data_info', postgresql.JSON(astext_type=sa.Text()), nullable=True),
        sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=True),
        sa.Column('updated_at', sa.DateTime(), nullable=True),
        sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_ml_models_tenant_id'), 'ml_models', ['tenant_id'], unique=False)
    op.create_index(op.f('ix_ml_models_name'), 'ml_models', ['name'], unique=False)
    op.create_index(op.f('ix_ml_models_version'), 'ml_models', ['version'], unique=False)
    op.create_index(op.f('ix_ml_models_status'), 'ml_models', ['status'], unique=False)


def downgrade() -> None:
    op.drop_index(op.f('ix_ml_models_status'), table_name='ml_models')
    op.drop_index(op.f('ix_ml_models_version'), table_name='ml_models')
    op.drop_index(op.f('ix_ml_models_name'), table_name='ml_models')
    op.drop_index(op.f('ix_ml_models_tenant_id'), table_name='ml_models')
    op.drop_table('ml_models')
    op.drop_index(op.f('ix_training_jobs_job_type'), table_name='training_jobs')
    op.drop_index(op.f('ix_training_jobs_status'), table_name='training_jobs')
    op.drop_index(op.f('ix_training_jobs_model_id'), table_name='training_jobs')
    op.drop_index(op.f('ix_training_jobs_tenant_id'), table_name='training_jobs')
    op.drop_table('training_jobs')