<?php

namespace Tests\Feature;

use App\Models\Mailing;
use App\Models\MailingBounce;
use App\Models\User;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Tests\TestCase;

/**
 * Also: blocks against our sending server (Microsoft's S3150 block list,
 * "550 5.7.1") suppressed hotmail addresses on 2026-10-10, and a backlog of
 * August bounces was recorded as if it bounced that day.
 *
 * A second bounce report for the same address and mailing (unique index)
 * updates the first. Inserting it threw, and from 2026-09-27 at the latest
 * that stopped every hourly bounce run at the same message.
 */
class MailingBounceRecordTest extends TestCase
{
    use DatabaseTransactions;

    private function mailing(): Mailing
    {
        return Mailing::create([
            'title' => 'Bounce test',
            'type' => 'general_newsletter',
            'subject' => ['en' => 'Bounce test'],
            'status' => 'sent',
        ]);
    }

    public function test_a_second_report_for_the_same_mailing_updates_the_first(): void
    {
        $mailing = $this->mailing();

        MailingBounce::recordBounce('Bounce.Test@Example.test', 'soft', 'mailbox full', $mailing->id);
        $bounce = MailingBounce::recordBounce('bounce.test@example.test ', 'hard', 'user unknown', $mailing->id);

        $rows = MailingBounce::where('email', 'bounce.test@example.test')->get();

        $this->assertCount(1, $rows);
        $this->assertSame($bounce->id, $rows->first()->id);
        $this->assertSame('hard', $rows->first()->bounce_type);
        $this->assertSame('user unknown', $rows->first()->bounce_reason);
    }

    public function test_bounces_without_a_mailing_still_add_up(): void
    {
        MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'user unknown');
        MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'user unknown');

        $this->assertSame(2, MailingBounce::where('email', 'bounce.test@example.test')->count());
    }

    public function test_other_mailings_get_their_own_row(): void
    {
        $first = $this->mailing();
        $second = $this->mailing();

        MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'user unknown', $first->id);
        MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'user unknown', $second->id);

        $this->assertSame(2, MailingBounce::where('email', 'bounce.test@example.test')->count());
    }

    private function thresholds(int $windowDays = 30): void
    {
        $key = config('app.timebank_config') . '.mailing.bounce_thresholds';
        config([
            "{$key}.suppression_threshold" => 1,
            "{$key}.verification_reset_threshold" => 1,
            "{$key}.counting_window_days" => $windowDays,
        ]);
    }

    public function test_a_block_against_our_server_does_not_suppress_the_address(): void
    {
        $this->thresholds();
        $user = User::factory()->create(['email' => 'bounce.test@example.test', 'email_verified_at' => now()]);

        MailingBounce::recordBounce('bounce.test@example.test', 'hard',
            "smtp; 550 5.7.1 Unfortunately, messages from [195.190.28.89] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150).");

        $this->assertFalse(MailingBounce::isSuppressed('bounce.test@example.test'));
        $this->assertNotNull($user->fresh()->email_verified_at);
    }

    public function test_an_unknown_user_still_suppresses_the_address(): void
    {
        $this->thresholds();
        $user = User::factory()->create(['email' => 'bounce.test@example.test', 'email_verified_at' => now()]);

        MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'smtp; 550 5.1.1 user unknown');

        $this->assertTrue(MailingBounce::isSuppressed('bounce.test@example.test'));
        $this->assertNull($user->fresh()->email_verified_at);
    }

    public function test_a_missing_address_counts_even_with_a_5_7_code(): void
    {
        $this->thresholds();

        MailingBounce::recordBounce('bounce.test@example.test', 'hard',
            'smtp; 550 5.7.1 <bounce.test@example.test>: Recipient address rejected: Recipient not found');

        $this->assertTrue(MailingBounce::isSuppressed('bounce.test@example.test'));
    }

    public function test_a_bounce_is_dated_when_it_happened_and_old_ones_do_not_count(): void
    {
        $this->thresholds(30);
        $when = now()->subDays(70)->startOfSecond();

        $bounce = MailingBounce::recordBounce('bounce.test@example.test', 'hard', 'smtp; 550 5.1.1 user unknown', null, $when);

        $this->assertTrue($bounce->fresh()->bounced_at->equalTo($when));
        $this->assertFalse(MailingBounce::isSuppressed('bounce.test@example.test'));
    }
}