<?php

declare(strict_types=1);

namespace Tests\Feature\Email;

use App\Enums\EmailLogStatus;
use App\Enums\EmailTemplateType;
use App\Jobs\SendTransactionalEmail;
use App\Models\Organisation;
use App\Models\OrganisationEmailSettings;
use App\Models\OrganisationEmailTemplate;
use App\Services\EmailService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Queue;
use Tests\TestCase;

class EmailServiceTest extends TestCase
{
    use RefreshDatabase;

    private EmailService $service;
    private Organisation $organisation;

    protected function setUp(): void
    {
        parent::setUp();
        $this->service = app(EmailService::class);
        $this->organisation = Organisation::factory()->create(['name' => 'Test Org']);
    }

    public function test_send_creates_email_log_with_queued_status(): void
    {
        Queue::fake();

        $log = $this->service->send(
            type: EmailTemplateType::INVITATION,
            recipientEmail: 'test@example.com',
            recipientName: 'Test User',
            variables: ['organisation_name' => 'Test Org'],
            organisation: $this->organisation,
        );

        $this->assertDatabaseHas('email_logs', [
            'id' => $log->id,
            'recipient_email' => 'test@example.com',
            'template_type' => 'invitation',
            'status' => 'queued',
            'organisation_id' => $this->organisation->id,
        ]);
    }

    public function test_send_dispatches_queued_job(): void
    {
        Queue::fake();

        $this->service->send(
            type: EmailTemplateType::INVITATION,
            recipientEmail: 'test@example.com',
            recipientName: 'Test User',
            variables: ['organisation_name' => 'Test Org'],
            organisation: $this->organisation,
        );

        Queue::assertPushed(SendTransactionalEmail::class, function ($job) {
            return $job->recipientEmail === 'test@example.com'
                && $job->type === EmailTemplateType::INVITATION;
        });
    }

    public function test_resolve_template_returns_defaults_without_org(): void
    {
        $template = $this->service->resolveTemplate(EmailTemplateType::INVITATION);

        $this->assertFalse($template['is_custom']);
        $this->assertStringContainsString('{organisation_name}', $template['subject']);
        $this->assertEquals('Uitnodiging accepteren', $template['button_text']);
    }

    public function test_resolve_template_returns_org_override_when_exists(): void
    {
        OrganisationEmailTemplate::factory()->create([
            'organisation_id' => $this->organisation->id,
            'type' => EmailTemplateType::INVITATION->value,
            'subject' => 'Aangepaste uitnodiging',
            'heading' => 'Welkom!',
            'body_text' => 'Aangepaste tekst',
            'button_text' => 'Klik hier',
        ]);

        $template = $this->service->resolveTemplate(EmailTemplateType::INVITATION, $this->organisation);

        $this->assertTrue($template['is_custom']);
        $this->assertEquals('Aangepaste uitnodiging', $template['subject']);
        $this->assertEquals('Klik hier', $template['button_text']);
    }

    public function test_resolve_template_falls_back_to_defaults_without_override(): void
    {
        $template = $this->service->resolveTemplate(EmailTemplateType::PASSWORD_RESET, $this->organisation);

        $this->assertFalse($template['is_custom']);
        $this->assertEquals('Wachtwoord resetten', $template['subject']);
    }

    public function test_variable_substitution_replaces_placeholders(): void
    {
        Queue::fake();

        $log = $this->service->send(
            type: EmailTemplateType::INVITATION,
            recipientEmail: 'test@example.com',
            recipientName: 'Test User',
            variables: ['organisation_name' => 'Feestfabriek'],
            organisation: $this->organisation,
        );

        $this->assertDatabaseHas('email_logs', [
            'id' => $log->id,
            'subject' => 'Je bent uitgenodigd voor Feestfabriek',
        ]);
    }

    public function test_branding_uses_org_settings_when_available(): void
    {
        OrganisationEmailSettings::factory()->create([
            'organisation_id' => $this->organisation->id,
            'primary_color' => '#FF0000',
            'secondary_color' => '#00FF00',
            'footer_text' => 'Custom Footer',
            'reply_to_email' => 'reply@example.com',
            'reply_to_name' => 'Reply Name',
        ]);

        $branding = $this->service->resolveBranding($this->organisation);

        $this->assertEquals('#FF0000', $branding['primary_color']);
        $this->assertEquals('#00FF00', $branding['secondary_color']);
        $this->assertEquals('Custom Footer', $branding['footer_text']);
        $this->assertEquals('reply@example.com', $branding['reply_to_email']);
        $this->assertEquals('Reply Name', $branding['reply_to_name']);
    }

    public function test_branding_falls_back_to_defaults(): void
    {
        $branding = $this->service->resolveBranding($this->organisation);

        $this->assertEquals('#6366F1', $branding['primary_color']);
        $this->assertEquals('#4F46E5', $branding['secondary_color']);
        $this->assertStringContainsString('Test Org', $branding['footer_text']);
        $this->assertNull($branding['reply_to_email']);
    }

    public function test_branding_returns_system_defaults_without_org(): void
    {
        $branding = $this->service->resolveBranding(null);

        $this->assertEquals('#6366F1', $branding['primary_color']);
        $this->assertStringContainsString('Crewli', $branding['footer_text']);
    }

    public function test_get_all_templates_returns_all_types(): void
    {
        $templates = $this->service->getAllTemplates($this->organisation);

        $this->assertCount(count(EmailTemplateType::cases()), $templates);

        $types = array_column($templates, 'type');
        foreach (EmailTemplateType::cases() as $case) {
            $this->assertContains($case->value, $types);
        }
    }
}