'use strict';

/** @type {import('sequelize-cli').Migration} */
module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.createTable('caseAttachments', {
      id: {
        type: Sequelize.INTEGER,
        primaryKey: true,
        autoIncrement: true,
      },
      caseId: {
        type: Sequelize.INTEGER,
        references: {
          model: 'cases',
          key: 'id',
        },
        onUpdate: 'CASCADE',
        onDelete: 'CASCADE',
      },
      attachmentId: {
        type: Sequelize.INTEGER,
        references: {
          model: 'attachments',
          key: 'id',
        },
        onUpdate: 'CASCADE',
        onDelete: 'CASCADE',
      },
      createdAt: {
        type: Sequelize.DATE,
        allowNull: false,
      },
      updatedAt: {
        type: Sequelize.DATE,
        allowNull: false,
      },
    });

    await queryInterface.addIndex('caseAttachments', ['caseId', 'attachmentId'], {
      unique: true,
    });
  },

  down: async (queryInterface) => {
    await queryInterface.dropTable('caseAttachments');
  },
};