import { Model, DataTypes } from 'sequelize';
import { sequelize } from '../../utils/sequelize.js';

class VocabConversationSession extends Model {}

VocabConversationSession.init({
  id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
  userId: { type: DataTypes.INTEGER, allowNull: false, field: 'user_id' },
  lessonId: { type: DataTypes.INTEGER, allowNull: false, field: 'lesson_id' },
  scenario: { type: DataTypes.JSONB, allowNull: false, defaultValue: {} },
  turns: { type: DataTypes.JSONB, allowNull: false, defaultValue: [] },
  summary: { type: DataTypes.JSONB, allowNull: true },
  status: { type: DataTypes.TEXT, allowNull: false, defaultValue: 'active' },
  createdAt: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW, field: 'created_at' },
  updatedAt: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW, field: 'updated_at' }
}, {
  sequelize,
  modelName: 'VocabConversationSession',
  tableName: 'vocab_conversation_session',
  schema: 'community',
  timestamps: true,
  underscored: true
});

export default VocabConversationSession;