<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class CreateAttendanceSessionsTable extends Migration
{
    public function up()
    {
        $this->forge->addField([
            'id' => [
                'type'           => 'INT',
                'constraint'     => 11,
                'unsigned'       => true,
                'auto_increment' => true,
            ],
            'student_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'schedule_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
                'null'       => true,
            ],
            'device_id' => [
                'type'       => 'INT',
                'constraint' => 11,
                'unsigned'   => true,
            ],
            'checkin_at' => [
                'type' => 'DATETIME',
            ],
            'latitude' => [
                'type'       => 'DECIMAL',
                'constraint' => '10,8',
            ],
            'longitude' => [
                'type'       => 'DECIMAL',
                'constraint' => '11,8',
            ],
            'confidence' => [
                'type'       => 'DECIMAL',
                'constraint' => '5,2',
                'null'       => true,
            ],
            'status' => [
                'type'       => 'ENUM',
                'constraint' => ['PRESENT', 'LATE', 'OUTSIDE_ZONE', 'NO_SCHEDULE', 'INVALID_DEVICE'],
            ],
            'created_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
            'updated_at' => [
                'type' => 'DATETIME',
                'null' => true,
            ],
        ]);

        $this->forge->addKey('id', true);
        $this->forge->addKey(['student_id', 'checkin_at']);
        $this->forge->addKey('schedule_id');
        $this->forge->addKey('device_id');
        $this->forge->addForeignKey('student_id', 'students', 'id', 'CASCADE', 'CASCADE');
        $this->forge->addForeignKey('schedule_id', 'schedules', 'id', 'SET NULL', 'CASCADE');
        $this->forge->addForeignKey('device_id', 'devices', 'id', 'CASCADE', 'CASCADE');
        $this->forge->createTable('attendance_sessions');
    }

    public function down()
    {
        $this->forge->dropTable('attendance_sessions');
    }
}