<?php

use App\Enums\ConsultationType;
use App\Models\Consultation;
use App\Models\User;
use App\Services\CalendarService;

beforeEach(function () {
    $this->service = new CalendarService;
});

it('generates valid ics file', function () {
    $consultation = Consultation::factory()->approved()->create([
        'booking_date' => '2024-03-15',
        'booking_time' => '10:00:00',
    ]);

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('BEGIN:VCALENDAR')
        ->toContain('BEGIN:VEVENT')
        ->toContain('DTSTART')
        ->toContain('DTEND')
        ->toContain('END:VCALENDAR');
});

it('includes correct duration of 45 minutes', function () {
    $consultation = Consultation::factory()->approved()->create([
        'booking_date' => '2024-03-15',
        'booking_time' => '10:00:00',
    ]);

    $ics = $this->service->generateIcs($consultation);

    // Start at 10:00, end at 10:45 (45 min default)
    expect($ics)
        ->toContain('DTSTART;TZID=Asia/Jerusalem:20240315T100000')
        ->toContain('DTEND;TZID=Asia/Jerusalem:20240315T104500');
});

it('generates Arabic content for Arabic-preferring users', function () {
    $user = User::factory()->create(['preferred_language' => 'ar']);
    $consultation = Consultation::factory()->approved()->for($user)->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('استشارة مع مكتب ليبرا للمحاماة')
        ->toContain('رقم الحجز');
});

it('generates English content for English-preferring users', function () {
    $user = User::factory()->create(['preferred_language' => 'en']);
    $consultation = Consultation::factory()->approved()->for($user)->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('Consultation with Libra Law Firm')
        ->toContain('Booking Reference');
});

it('defaults to Arabic when user has default language setting', function () {
    // The database defaults preferred_language to 'ar', so we test with the default
    $user = User::factory()->create(['preferred_language' => 'ar']);
    $consultation = Consultation::factory()->approved()->for($user)->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('استشارة مع مكتب ليبرا للمحاماة');
});

it('includes payment info for paid consultations', function () {
    $consultation = Consultation::factory()->approved()->create([
        'consultation_type' => ConsultationType::Paid,
        'payment_amount' => 150.00,
    ]);

    $ics = $this->service->generateIcs($consultation);

    expect($ics)->toContain('150.00');
});

it('does not include payment info for free consultations', function () {
    $user = User::factory()->create(['preferred_language' => 'en']);
    $consultation = Consultation::factory()->approved()->free()->for($user)->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('Consultation Type: Free')
        ->not->toContain('Amount:');
});

it('includes 1-hour reminder alarm', function () {
    $consultation = Consultation::factory()->approved()->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('BEGIN:VALARM')
        ->toContain('TRIGGER:-PT1H')
        ->toContain('ACTION:DISPLAY')
        ->toContain('END:VALARM');
});

it('includes proper timezone definition', function () {
    $consultation = Consultation::factory()->approved()->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)
        ->toContain('BEGIN:VTIMEZONE')
        ->toContain('TZID:Asia/Jerusalem')
        ->toContain('END:VTIMEZONE');
});

it('includes unique identifier', function () {
    $consultation = Consultation::factory()->approved()->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)->toContain('UID:consultation-'.$consultation->id.'@libra.ps');
});

it('includes location from config', function () {
    $consultation = Consultation::factory()->approved()->create();

    $ics = $this->service->generateIcs($consultation);

    expect($ics)->toContain('LOCATION:');
});

it('uses CRLF line endings per RFC 5545', function () {
    $consultation = Consultation::factory()->approved()->create();

    $ics = $this->service->generateIcs($consultation);

    // Check for CRLF line endings
    expect($ics)->toContain("\r\n");
});

it('escapes special characters in content', function () {
    $user = User::factory()->create(['preferred_language' => 'en']);
    $consultation = Consultation::factory()->approved()->for($user)->create();

    $ics = $this->service->generateIcs($consultation);

    // The location should have escaped commas if present
    // Location is: "Libra Law Firm, Palestine" which has a comma
    expect($ics)->toContain('Libra Law Firm\, Palestine');
});

it('returns download response with correct headers', function () {
    $consultation = Consultation::factory()->approved()->create([
        'booking_date' => '2024-03-15',
    ]);

    $response = $this->service->generateDownloadResponse($consultation);

    expect($response->headers->get('Content-Type'))
        ->toBe('text/calendar; charset=utf-8');
    expect($response->headers->get('Content-Disposition'))
        ->toContain('consultation-2024-03-15.ics');
});

it('generates correct filename based on booking date', function () {
    $consultation = Consultation::factory()->approved()->create([
        'booking_date' => '2025-06-20',
    ]);

    $response = $this->service->generateDownloadResponse($consultation);

    expect($response->headers->get('Content-Disposition'))
        ->toContain('consultation-2025-06-20.ics');
});