'use strict';

// The live enum type backing `type` is named task_requirement_type (not the
// Sequelize-default enum_task_requirements_type) — submit_text/pass_quiz were
// added to it later via ALTER TYPE (20260715000001). Declared here with the
// full merged value set.
module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('task_requirements', {
      requirement_id:     { type: Sequelize.UUID, defaultValue: Sequelize.UUIDV4, primaryKey: true },
      task_id:            { type: Sequelize.UUID, allowNull: false, references: { model: 'tasks', key: 'task_id' }, onDelete: 'CASCADE' },
      type:               { type: Sequelize.ENUM('visit_link', 'upload_file', 'read_course', 'read_unit', 'read_lesson', 'submit_text', 'pass_quiz'), allowNull: false },
      link_url:           { type: Sequelize.STRING, allowNull: true },
      link_label:         { type: Sequelize.STRING, allowNull: true },
      allowed_file_types: { type: Sequelize.JSONB, allowNull: true },
      max_file_count:     { type: Sequelize.INTEGER, allowNull: true, defaultValue: 1 },
      reference_id:       { type: Sequelize.UUID, allowNull: true },
      reference_label:    { type: Sequelize.STRING, allowNull: true },
      prompt:             { type: Sequelize.TEXT, allowNull: true },
      requires_review:    { type: Sequelize.BOOLEAN, allowNull: false, defaultValue: false },
      order:               { type: Sequelize.INTEGER, defaultValue: 0 },
      createdBy:          { type: Sequelize.INTEGER, allowNull: true },
      updatedBy:          { type: Sequelize.INTEGER, allowNull: true },
      deletedBy:          { type: Sequelize.INTEGER, allowNull: true },
      createdAt:          { type: Sequelize.DATE, allowNull: false },
      updatedAt:          { type: Sequelize.DATE, allowNull: false },
      deletedAt:          { type: Sequelize.DATE, allowNull: true },
    });

    await queryInterface.addIndex('task_requirements', ['task_id']);
  },

  async down(queryInterface) {
    await queryInterface.dropTable('task_requirements');
  },
};