<?php

namespace Tests\Feature;

use App\Mail\CandidateInterviewInvitationMail;
use App\Mail\InterviewerAssessmentNotificationMail;
use App\Mail\InterviewReminderMail;
use App\Models\Interview;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

class ScheduleInterviewWithInvitationsTest extends TestCase
{
    use RefreshDatabase;

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

    public function test_scheduling_interview_creates_record_and_queues_candidate_and_interviewer_invitations(): void
    {
        Mail::fake();

        $hr = User::create([
            'name' => 'HR Manager',
            'email' => 'hr@company.com',
            'role' => 'hr',
        ]);

        $interviewer1 = User::create([
            'name' => 'Tech Lead',
            'email' => 'techlead@company.com',
            'role' => 'user',
        ]);

        $interviewer2 = User::create([
            'name' => 'Senior Engineer',
            'email' => 'srengineer@company.com',
            'role' => 'user',
        ]);

        $response = $this->actingAs($hr)->post(route('interview.store'), [
            'candidate_name' => 'Soumyadeep Mondal',
            'candidate_email' => 'soumyadeep@example.com',
            'candidate_phone' => '9876543210',
            'job_title' => 'AIML (Computer Vision & Agentic AI) Engineer',
            'round' => 'R1',
            'description' => 'Live coding session on Agentic workflows',
            'scheduled_at' => now()->addDays(2)->format('Y-m-d\TH:i'),
            'valid_hours' => 2,
            'language' => 'python',
            'assigned_interviewers' => [$interviewer1->id, $interviewer2->id],
        ]);

        $response->assertRedirect(route('interview.index'));

        // Database assertion
        $this->assertDatabaseHas('interviews', [
            'candidate_name' => 'Soumyadeep Mondal',
            'candidate_email' => 'soumyadeep@example.com',
            'job_title' => 'AIML (Computer Vision & Agentic AI) Engineer',
            'round' => 'R1',
            'description' => 'Live coding session on Agentic workflows',
            'language' => 'python',
            'status' => 'scheduled',
        ]);

        $interview = Interview::where('candidate_email', 'soumyadeep@example.com')->first();
        $this->assertNotNull($interview);

        // Candidate mail assertion
        Mail::assertQueued(CandidateInterviewInvitationMail::class, function ($mail) use ($interview) {
            return $mail->hasTo('soumyadeep@example.com')
                && $mail->interview->id === $interview->id
                && ! empty($mail->icsContent);
        });

        // Interviewers mail assertions
        Mail::assertQueued(InterviewerAssessmentNotificationMail::class, function ($mail) use ($interviewer1) {
            return $mail->hasTo('techlead@company.com') && $mail->interviewer->id === $interviewer1->id;
        });

        Mail::assertQueued(InterviewerAssessmentNotificationMail::class, function ($mail) use ($interviewer2) {
            return $mail->hasTo('srengineer@company.com') && $mail->interviewer->id === $interviewer2->id;
        });
    }

    public function test_send_interview_reminders_command_dispatches_15min_advance_emails(): void
    {
        Mail::fake();

        $interviewer = User::create([
            'name' => 'Panelist User',
            'email' => 'panelist@company.com',
            'role' => 'user',
        ]);

        // Interview scheduled 10 minutes from now (within 20m window)
        $interview = Interview::create([
            'candidate_name' => 'Upcoming Candidate',
            'candidate_email' => 'upcoming@example.com',
            'candidate_phone' => '1122334455',
            'job_title' => 'Backend Architect',
            'round' => 'Technical Round',
            'temp_password' => 'Pass-778899',
            'scheduled_at' => now()->addMinutes(10),
            'expires_at' => now()->addHours(2),
            'language' => 'php',
            'status' => 'scheduled',
            'assigned_interviewers' => [$interviewer->id],
            'submission_unique_id' => 'upcoming-candidate_1122334455_1752000099',
            'reminder_sent_at' => null,
        ]);

        $this->artisan('interview:send-reminders')
            ->expectsOutputToContain('Successfully processed and dispatched reminders for 1 interview session(s).')
            ->assertExitCode(0);

        // Assert reminder email sent to candidate
        Mail::assertQueued(InterviewReminderMail::class, function ($mail) {
            return $mail->hasTo('upcoming@example.com') && $mail->recipientType === 'candidate';
        });

        // Assert reminder email sent to interviewer
        Mail::assertQueued(InterviewReminderMail::class, function ($mail) {
            return $mail->hasTo('panelist@company.com') && $mail->recipientType === 'interviewer';
        });

        $interview->refresh();
        $this->assertNotNull($interview->reminder_sent_at);
    }

    public function test_scheduling_validation_errors_render_open_drawer_and_error_directives(): void
    {
        $this->withMiddleware();

        $hr = User::create([
            'name' => 'HR Manager',
            'email' => 'hr@company.com',
            'role' => 'hr',
        ]);

        $response = $this->actingAs($hr)
            ->from(route('interview.index'))
            ->followingRedirects()
            ->post(route('interview.store'), [
                'candidate_name' => '',
                'candidate_email' => 'invalid-email-address',
                'candidate_phone' => '',
                'job_title' => '',
                'valid_hours' => 2,
                'language' => 'python',
                'description' => 'Test instructions',
            ]);

        $response->assertOk();
        $response->assertSee('create-interview-drawer');
        $response->assertSee('active');
        $response->assertSee('Please correct the following errors:');
        $response->assertSee('The candidate name is required.');
        $response->assertSee('Please provide a valid candidate email address.');
        $response->assertSee('The candidate phone number is required.');
        $response->assertSee('The job title / position is required.');
        $response->assertSee('Test instructions');
    }
}