<?php
    
    use yii\db\Migration;
    
    class m170309_000000_user extends Migration
    {
        public function safeUp()
        {
            $tableOptions = null;
            if ($this->db->driverName === 'mysql') {
                // http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
                $tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB';
            }
            
            $this->createTable(
                'user',
                [
                    'id'                   => $this->primaryKey(),
                    'username'             => $this->string()
                                                   ->notNull()
                                                   ->unique(),
                    'auth_key'             => $this->string(32)
                                                   ->notNull(),
                    'password_hash'        => $this->string()
                                                   ->notNull(),
                    'password_reset_token' => $this->string()
                                                   ->unique(),
                    'email'                => $this->string()
                                                   ->notNull()
                                                   ->unique(),
                    
                    'status'     => $this->smallInteger()
                                         ->notNull()
                                         ->defaultValue(10),
                    'created_at' => $this->integer()
                                         ->notNull(),
                    'updated_at' => $this->integer()
                                         ->notNull(),
                ],
                $tableOptions
            );
        }
        
        public function safeDown()
        {
            $this->dropTable('user');
        }
    }