import {
  Entity,
  Column,
  PrimaryColumn,
  CreateDateColumn,
} from 'typeorm';

@Entity('messages')
export class MessageORM {
  @PrimaryColumn('uuid')
  id: string;

  @Column({ name: 'conversation_id' })
  conversationId: string;

  @Column({ length: 20 })
  role: string;

  @Column('text')
  content: string;

  @Column({ name: 'input_tokens', default: 0 })
  inputTokens: number;

  @Column({ name: 'output_tokens', default: 0 })
  outputTokens: number;

  @Column('jsonb', { nullable: true })
  metadata: Record<string, unknown>;

  @CreateDateColumn({ name: 'created_at' })
  createdAt: Date;
}