"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, Sequelize) => {
    await queryInterface.dropTable("caseAttachments");
  },
};