<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Offering;

use Unsupervised\Schedular\Offering\Offering;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class OfferingTest extends TestCase
{
    public function testConstructorAndProperties(): void
    {
        $offering = new Offering(
            instructorId:    5,
            kind:            Offering::KIND_PRIVATE_LESSON,
            title:           '30-min Piano',
            price:           35.00,
            billingMode:     Offering::BILLING_ONE_TIME,
            durationMinutes: 30,
            id:              42,
        );

        self::assertSame(5, $offering->instructorId);
        self::assertSame(Offering::KIND_PRIVATE_LESSON, $offering->kind);
        self::assertSame('30-min Piano', $offering->title);
        self::assertSame(35.00, $offering->price);
        self::assertSame(30, $offering->durationMinutes);
        self::assertSame(42, $offering->id);
    }

    public function testDefaults(): void
    {
        $offering = new Offering(1, Offering::KIND_GROUP_CLASS, 'Choir');

        self::assertSame(0.0, $offering->price);
        self::assertSame('CAD', $offering->currency);
        self::assertSame(Offering::BILLING_ONE_TIME, $offering->billingMode);
        self::assertNull($offering->durationMinutes);
        self::assertFalse($offering->allowWeekly);
        self::assertNull($offering->capacity);
        self::assertTrue($offering->isActive);
        self::assertNull($offering->id);
    }

    public function testFromRowMapsCorrectlyAndCastsNullables(): void
    {
        $row = (object) [
            'id'               => '7',
            'instructor_id'    => '3',
            'kind'             => Offering::KIND_GROUP_CLASS,
            'title'            => 'Year Choir',
            'description'      => 'Weekly choir',
            'duration_minutes' => null,
            'price'            => '120.00',
            'currency'         => 'CAD',
            'billing_mode'     => Offering::BILLING_FULL_TERM,
            'allow_weekly'     => '0',
            'capacity'         => '20',
            'term_start'       => '2026-09-01',
            'term_end'         => '2027-06-30',
            'schedule_note'    => 'Tuesdays 4:00pm',
            'etransfer_email'  => null,
            'is_active'        => '1',
        ];

        $offering = Offering::fromRow($row);

        self::assertSame(7, $offering->id);
        self::assertSame(3, $offering->instructorId);
        self::assertNull($offering->durationMinutes);
        self::assertSame(120.00, $offering->price);
        self::assertSame(20, $offering->capacity);
        self::assertSame(Offering::BILLING_FULL_TERM, $offering->billingMode);
        self::assertTrue($offering->isActive);
    }

    public function testToArrayContainsExpectedKeys(): void
    {
        $offering = new Offering(1, Offering::KIND_PRIVATE_LESSON, 'Lesson', id: 10);
        $arr      = $offering->toArray();

        foreach (['id', 'instructor_id', 'kind', 'title', 'price', 'billing_mode', 'is_active'] as $key) {
            self::assertArrayHasKey($key, $arr);
        }
    }

    public function testToArrayIncludesEtransferEmailByDefault(): void
    {
        $offering = new Offering(1, Offering::KIND_PRIVATE_LESSON, 'Lesson', etransferEmail: 'studio@example.com', id: 10);

        self::assertArrayHasKey('etransfer_email', $offering->toArray());
        self::assertSame('studio@example.com', $offering->toArray()['etransfer_email']);
    }

    public function testToArrayOmitsEtransferEmailWhenExcluded(): void
    {
        $offering = new Offering(1, Offering::KIND_PRIVATE_LESSON, 'Lesson', etransferEmail: 'studio@example.com', id: 10);

        self::assertArrayNotHasKey('etransfer_email', $offering->toArray(includeEtransferEmail: false));
    }

    public function testValidKindAndBillingConstants(): void
    {
        self::assertContains(Offering::KIND_PRIVATE_LESSON, Offering::VALID_KINDS);
        self::assertContains(Offering::KIND_GROUP_CLASS, Offering::VALID_KINDS);
        self::assertContains(Offering::BILLING_ONE_TIME, Offering::VALID_BILLING_MODES);
        self::assertContains(Offering::BILLING_FULL_TERM, Offering::VALID_BILLING_MODES);
    }
}