<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Booking;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Availability\AvailabilityRepository;
use Unsupervised\Schedular\Availability\AvailabilitySlot;
use Unsupervised\Schedular\Booking\BookingRepository;
use Unsupervised\Schedular\Booking\Lesson;
use Unsupervised\Schedular\Booking\LessonController;
use Unsupervised\Schedular\Payment\PaymentRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class LessonControllerTest extends TestCase
{
    private BookingRepository&Mockery\MockInterface $bookings;
    private PaymentRepository&Mockery\MockInterface $payments;
    private AvailabilityRepository&Mockery\MockInterface $availability;
    private LessonController $controller;

    protected function setUp(): void
    {
        parent::setUp();

        $this->bookings     = Mockery::mock(BookingRepository::class);
        $this->payments     = Mockery::mock(PaymentRepository::class);
        $this->availability = Mockery::mock(AvailabilityRepository::class);
        $this->controller   = new LessonController($this->bookings, $this->payments, $this->availability);

        $_POST = [];

        Functions\when('current_user_can')->justReturn(true);
        Functions\when('get_userdata')->justReturn(false);
        Functions\when('mysql2date')->alias(
            static fn (string $format, string $date) => date($format, (int) strtotime($date))
        );
    }

    public function testAdminDashboardShowsSlotDateTimeInsteadOfSlotId(): void
    {
        $lesson = new Lesson(slotId: 10, studentId: 5, instructorId: 3, id: 1);
        $slot   = new AvailabilitySlot(
            instructorId: 3,
            startDt: '2026-07-06 09:00:00',
            endDt: '2026-07-06 10:00:00',
            id: 10
        );

        $this->bookings->shouldReceive('findAllUpcoming')->once()->andReturn([$lesson]);
        $this->availability->shouldReceive('findById')->once()->with(10)->andReturn($slot);

        $html = $this->render();

        self::assertStringContainsString('Jul 6, 2026 9:00 AM–10:00 AM', $html);
        self::assertStringContainsString('Date/Time', $html);
        self::assertStringNotContainsString('Slot ID', $html);
    }

    public function testSlotCrossingMidnightRepeatsTheDateOnTheEndTime(): void
    {
        $lesson = new Lesson(slotId: 11, studentId: 5, instructorId: 3, id: 2);
        $slot   = new AvailabilitySlot(
            instructorId: 3,
            startDt: '2026-07-06 23:00:00',
            endDt: '2026-07-07 00:30:00',
            id: 11
        );

        $this->bookings->shouldReceive('findAllUpcoming')->once()->andReturn([$lesson]);
        $this->availability->shouldReceive('findById')->once()->with(11)->andReturn($slot);

        $html = $this->render();

        self::assertStringContainsString('Jul 6, 2026 11:00 PM–Jul 7, 2026 12:30 AM', $html);
    }

    public function testMissingSlotRendersDash(): void
    {
        $lesson = new Lesson(slotId: 99, studentId: 5, instructorId: 3, id: 3);

        $this->bookings->shouldReceive('findAllUpcoming')->once()->andReturn([$lesson]);
        $this->availability->shouldReceive('findById')->once()->with(99)->andReturn(null);

        $html = $this->render();

        self::assertStringContainsString('—', $html);
    }

    public function testInstructorLessonsShowSlotDateTime(): void
    {
        Functions\when('get_current_user_id')->justReturn(3);

        $lesson = new Lesson(slotId: 12, studentId: 5, instructorId: 3, id: 4);
        $slot   = new AvailabilitySlot(
            instructorId: 3,
            startDt: '2026-08-01 14:00:00',
            endDt: '2026-08-01 15:00:00',
            id: 12
        );

        $this->bookings->shouldReceive('findUpcomingForInstructor')->once()->with(3)->andReturn([$lesson]);
        $this->availability->shouldReceive('findById')->once()->with(12)->andReturn($slot);

        ob_start();
        $this->controller->renderInstructorLessons();
        $html = (string) ob_get_clean();

        self::assertStringContainsString('Aug 1, 2026 2:00 PM–3:00 PM', $html);
    }

    private function render(): string
    {
        ob_start();
        $this->controller->renderAdminDashboard();

        return (string) ob_get_clean();
    }
}