'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('tasks', {
      task_id:      { type: Sequelize.UUID, defaultValue: Sequelize.UUIDV4, primaryKey: true },
      task_list_id: { type: Sequelize.UUID, allowNull: false, references: { model: 'task_lists', key: 'task_list_id' }, onDelete: 'CASCADE' },
      name:         { type: Sequelize.STRING, allowNull: false },
      description:  { type: Sequelize.TEXT, allowNull: true },
      deadline:     { type: Sequelize.DATE, allowNull: true },
      status:       { type: Sequelize.ENUM('pending', 'in_progress', 'completed', 'overdue'), defaultValue: 'pending', allowNull: false },
      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('tasks', ['task_list_id']);
    await queryInterface.addIndex('tasks', ['status']);
  },

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