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

class VocabSrsItem extends Model {}

VocabSrsItem.init({
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true
  },
  userId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    field: 'user_id'
  },
  courseId: {
    type: DataTypes.INTEGER,
    allowNull: false,
    field: 'course_id'
  },
  lessonId: {
    type: DataTypes.INTEGER,
    allowNull: true,
    field: 'lesson_id'
  },
  itemKey: {
    type: DataTypes.STRING(80),
    allowNull: false,
    field: 'item_key'
  },
  learning: {
    type: DataTypes.TEXT,
    allowNull: false
  },
  reference: {
    type: DataTypes.TEXT,
    allowNull: false
  },
  direction: {
    type: DataTypes.STRING(8),
    allowNull: false,
    defaultValue: 'BOTH'
  },
  stage: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0
  },
  intervalDays: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    field: 'interval_days'
  },
  lastReviewedAt: {
    type: DataTypes.DATE,
    allowNull: true,
    field: 'last_reviewed_at'
  },
  nextDueAt: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW,
    field: 'next_due_at'
  },
  correctCount: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    field: 'correct_count'
  },
  wrongCount: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    field: 'wrong_count'
  },
  lapseCount: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    field: 'lapse_count'
  }
}, {
  sequelize,
  modelName: 'VocabSrsItem',
  tableName: 'vocab_srs_item',
  schema: 'community',
  timestamps: true,
  underscored: true
});

export default VocabSrsItem;