module.exports = {
  /**
   * @param {QueryInterface} queryInterface
   * @param {Sequelize} Sequelize
   * @returns {Promise<void>}
   */
  async up(queryInterface, Sequelize) {
    /**
     * @type {Transaction}
     */
    const transaction = await queryInterface.sequelize.transaction();
    try {
      await queryInterface.createTable(
        'users',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'analytics',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'courses',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'discussion_boards',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'enrollments',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'instructors',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'students',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'roles',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.createTable(
        'permissions',
        {
          id: {
            type: Sequelize.DataTypes.UUID,
            defaultValue: Sequelize.DataTypes.UUIDV4,
            primaryKey: true,
          },
          createdById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          updatedById: {
            type: Sequelize.DataTypes.UUID,
            references: {
              key: 'id',
              model: 'users',
            },
          },
          createdAt: { type: Sequelize.DataTypes.DATE },
          updatedAt: { type: Sequelize.DataTypes.DATE },
          deletedAt: { type: Sequelize.DataTypes.DATE },
          importHash: {
            type: Sequelize.DataTypes.STRING(255),
            allowNull: true,
            unique: true,
          },
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'firstName',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'lastName',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'phoneNumber',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'email',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'disabled',
        {
          type: Sequelize.DataTypes.BOOLEAN,

          defaultValue: false,
          allowNull: false,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'password',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'emailVerified',
        {
          type: Sequelize.DataTypes.BOOLEAN,

          defaultValue: false,
          allowNull: false,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'emailVerificationToken',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'emailVerificationTokenExpiresAt',
        {
          type: Sequelize.DataTypes.DATE,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'passwordResetToken',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'passwordResetTokenExpiresAt',
        {
          type: Sequelize.DataTypes.DATE,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'provider',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'analytics',
        'courseId',
        {
          type: Sequelize.DataTypes.UUID,

          references: {
            model: 'courses',
            key: 'id',
          },
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'analytics',
        'engagement_rate',
        {
          type: Sequelize.DataTypes.INTEGER,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'analytics',
        'completion_rate',
        {
          type: Sequelize.DataTypes.INTEGER,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'analytics',
        'instructor_performance',
        {
          type: Sequelize.DataTypes.INTEGER,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'courses',
        'title',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'courses',
        'description',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'discussion_boards',
        'courseId',
        {
          type: Sequelize.DataTypes.UUID,

          references: {
            model: 'courses',
            key: 'id',
          },
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'discussion_boards',
        'topic',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'enrollments',
        'studentId',
        {
          type: Sequelize.DataTypes.UUID,

          references: {
            model: 'users',
            key: 'id',
          },
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'enrollments',
        'courseId',
        {
          type: Sequelize.DataTypes.UUID,

          references: {
            model: 'courses',
            key: 'id',
          },
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'enrollments',
        'payment_status',
        {
          type: Sequelize.DataTypes.ENUM,

          values: ['paid', 'pending', 'overdue'],
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'instructors',
        'first_name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'instructors',
        'last_name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'students',
        'first_name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'students',
        'last_name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'permissions',
        'name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'roles',
        'name',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'roles',
        'role_customization',
        {
          type: Sequelize.DataTypes.TEXT,
        },
        { transaction },
      );

      await queryInterface.addColumn(
        'users',
        'app_roleId',
        {
          type: Sequelize.DataTypes.UUID,

          references: {
            model: 'roles',
            key: 'id',
          },
        },
        { transaction },
      );

      await transaction.commit();
    } catch (err) {
      await transaction.rollback();
      throw err;
    }
  },
  /**
   * @param {QueryInterface} queryInterface
   * @param {Sequelize} Sequelize
   * @returns {Promise<void>}
   */
  async down(queryInterface, Sequelize) {
    /**
     * @type {Transaction}
     */
    const transaction = await queryInterface.sequelize.transaction();
    try {
      await queryInterface.removeColumn('users', 'app_roleId', { transaction });

      await queryInterface.removeColumn('roles', 'role_customization', {
        transaction,
      });

      await queryInterface.removeColumn('roles', 'name', { transaction });

      await queryInterface.removeColumn('permissions', 'name', { transaction });

      await queryInterface.removeColumn('students', 'last_name', {
        transaction,
      });

      await queryInterface.removeColumn('students', 'first_name', {
        transaction,
      });

      await queryInterface.removeColumn('instructors', 'last_name', {
        transaction,
      });

      await queryInterface.removeColumn('instructors', 'first_name', {
        transaction,
      });

      await queryInterface.removeColumn('enrollments', 'payment_status', {
        transaction,
      });

      await queryInterface.removeColumn('enrollments', 'courseId', {
        transaction,
      });

      await queryInterface.removeColumn('enrollments', 'studentId', {
        transaction,
      });

      await queryInterface.removeColumn('discussion_boards', 'topic', {
        transaction,
      });

      await queryInterface.removeColumn('discussion_boards', 'courseId', {
        transaction,
      });

      await queryInterface.removeColumn('courses', 'description', {
        transaction,
      });

      await queryInterface.removeColumn('courses', 'title', { transaction });

      await queryInterface.removeColumn('analytics', 'instructor_performance', {
        transaction,
      });

      await queryInterface.removeColumn('analytics', 'completion_rate', {
        transaction,
      });

      await queryInterface.removeColumn('analytics', 'engagement_rate', {
        transaction,
      });

      await queryInterface.removeColumn('analytics', 'courseId', {
        transaction,
      });

      await queryInterface.removeColumn('users', 'provider', { transaction });

      await queryInterface.removeColumn(
        'users',
        'passwordResetTokenExpiresAt',
        { transaction },
      );

      await queryInterface.removeColumn('users', 'passwordResetToken', {
        transaction,
      });

      await queryInterface.removeColumn(
        'users',
        'emailVerificationTokenExpiresAt',
        { transaction },
      );

      await queryInterface.removeColumn('users', 'emailVerificationToken', {
        transaction,
      });

      await queryInterface.removeColumn('users', 'emailVerified', {
        transaction,
      });

      await queryInterface.removeColumn('users', 'password', { transaction });

      await queryInterface.removeColumn('users', 'disabled', { transaction });

      await queryInterface.removeColumn('users', 'email', { transaction });

      await queryInterface.removeColumn('users', 'phoneNumber', {
        transaction,
      });

      await queryInterface.removeColumn('users', 'lastName', { transaction });

      await queryInterface.removeColumn('users', 'firstName', { transaction });

      await queryInterface.dropTable('permissions', { transaction });

      await queryInterface.dropTable('roles', { transaction });

      await queryInterface.dropTable('students', { transaction });

      await queryInterface.dropTable('instructors', { transaction });

      await queryInterface.dropTable('enrollments', { transaction });

      await queryInterface.dropTable('discussion_boards', { transaction });

      await queryInterface.dropTable('courses', { transaction });

      await queryInterface.dropTable('analytics', { transaction });

      await queryInterface.dropTable('users', { transaction });

      await transaction.commit();
    } catch (err) {
      await transaction.rollback();
      throw err;
    }
  },
};