'use strict';

/** @type {import('sequelize-cli').Migration} */
module.exports = {
  async up (queryInterface, Sequelize) {
    await queryInterface.sequelize.transaction(async (transaction) => {
      await queryInterface.createTable("emojis", {
        id: {
          type: Sequelize.UUID,
          primaryKey: true,
          allowNull: false
        },
        name: {
          type: Sequelize.STRING,
          allowNull: false
        },
        url: {
          type: Sequelize.STRING,
          allowNull: false
        },
        teamId: {
          type: Sequelize.UUID,
          allowNull: false,
          references: {
            model: "teams",
            key: "id"
          },
          onDelete: "CASCADE"
        },
        createdById: {
          type: Sequelize.UUID,
          allowNull: false,
          references: {
            model: "users",
            key: "id"
          },
          onDelete: "CASCADE"
        },
        createdAt: {
          type: Sequelize.DATE,
          allowNull: false
        },
        updatedAt: {
          type: Sequelize.DATE,
          allowNull: false
        }
      }, { transaction });

      await queryInterface.addIndex("emojis", ["teamId"], { transaction });
      await queryInterface.addIndex("emojis", ["createdById"], { transaction });
      await queryInterface.addIndex("emojis", ["teamId", "name"], { 
        unique: true, 
        transaction 
      });
    });
  },

  async down (queryInterface, Sequelize) {
    await queryInterface.sequelize.transaction(async (transaction) => {
      await queryInterface.dropTable("emojis", { transaction });
    });
  }
};