const { DataTypes } = require("sequelize");
const sequelize = require("../../config/db.config");

const UnitQuiz = sequelize.define("UnitQuiz", {
  quiz_id:     { type: DataTypes.BIGINT, primaryKey: true, autoIncrement: true },
  uuid:        { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, unique: true },
  unit_id:     { type: DataTypes.BIGINT, allowNull: false, unique: true }, // one quiz per unit
  title:       { type: DataTypes.STRING(255), allowNull: true },
  is_required:       { type: DataTypes.BOOLEAN, defaultValue: false },
  passing_score:     { type: DataTypes.INTEGER, defaultValue: 70 }, // percentage
  max_questions:     { type: DataTypes.INTEGER, allowNull: true },  // null = show all
  shuffle_questions: { type: DataTypes.BOOLEAN, defaultValue: false },
  createdBy:   { type: DataTypes.BIGINT, allowNull: true },
  updatedBy:   { type: DataTypes.BIGINT, allowNull: true },
  deletedBy:   { type: DataTypes.BIGINT, allowNull: true },
}, {
  tableName: "unit_quizzes",
  timestamps: true,
  paranoid: true,
});

module.exports = UnitQuiz