<?php

declare(strict_types=1);

use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\DB;

uses(DatabaseTransactions::class);

beforeEach(function () {
    DB::table('incidents_log')->delete();
    // Создаём минимальный saas_admin_user для FK.
    $this->adminId = (int) DB::table('saas_admin_users')->insertGetId([
        'email' => 'admin-'.bin2hex(random_bytes(3)).'@test',
        'full_name' => 'Admin Test',
        'password_hash' => bcrypt('test1234'),
        'is_active' => true,
        'role' => 'support',
        'created_at' => now(),
    ]);
});

function makeIncident(int $adminId, array $overrides = []): int
{
    $started = $overrides['started_at'] ?? now();
    $detected = $overrides['detected_at'] ?? $started;

    return (int) DB::table('incidents_log')->insertGetId(array_merge([
        'type' => 'service_outage',
        'severity' => 'medium',
        'started_at' => $started,
        'detected_at' => $detected,
        'resolved_at' => null,
        'summary' => 'Test incident',
        'created_by_admin_id' => $adminId,
        'created_at' => now(),
    ], $overrides));
}

test('GET /api/admin/incidents 200 + пустой', function () {
    $r = $this->getJson('/api/admin/incidents');
    $r->assertStatus(200);
    expect($r->json('incidents'))->toBe([]);
    expect($r->json('total'))->toBe(0);
    expect($r->json('summary.total_unresolved'))->toBe(0);
});

test('GET /api/admin/incidents возвращает ID + поля', function () {
    $id = makeIncident($this->adminId, [
        'type' => 'service_outage',
        'severity' => 'high',
        'summary' => 'API timeout — рост 502',
    ]);

    $r = $this->getJson('/api/admin/incidents');

    expect($r->json('total'))->toBe(1);
    $row = $r->json('incidents.0');
    expect($row['id'])->toBe($id);
    expect($row['type'])->toBe('service_outage');
    expect($row['severity'])->toBe('high');
    expect($row['summary'])->toBe('API timeout — рост 502');
    expect($row['incident_id'])->toMatch('/^INC-\d{4}-\d{4}-\d{4}$/');
});

test('GET /api/admin/incidents derive статус: resolved/investigating', function () {
    makeIncident($this->adminId, ['summary' => 'Inv 1']); // detected_at=started → investigating
    makeIncident($this->adminId, [
        'summary' => 'Resolved 1',
        'resolved_at' => now()->addHour(),
    ]);

    $r = $this->getJson('/api/admin/incidents');

    $byStatus = collect($r->json('incidents'))->groupBy('status');
    expect($byStatus->get('investigating'))->toHaveCount(1);
    expect($byStatus->get('resolved'))->toHaveCount(1);
});

test('GET /api/admin/incidents фильтр по type', function () {
    makeIncident($this->adminId, ['type' => 'service_outage', 'summary' => 'A']);
    makeIncident($this->adminId, ['type' => 'data_breach', 'summary' => 'B']);
    makeIncident($this->adminId, ['type' => 'billing_failure', 'summary' => 'C']);

    $r = $this->getJson('/api/admin/incidents?type=data_breach');
    expect($r->json('total'))->toBe(1);
    expect($r->json('incidents.0.summary'))->toBe('B');
});

test('GET /api/admin/incidents фильтр по severity', function () {
    makeIncident($this->adminId, ['severity' => 'critical', 'summary' => 'crit']);
    makeIncident($this->adminId, ['severity' => 'medium', 'summary' => 'med']);

    $r = $this->getJson('/api/admin/incidents?severity=critical');
    expect($r->json('total'))->toBe(1);
    expect($r->json('incidents.0.summary'))->toBe('crit');
});

test('GET /api/admin/incidents unresolved_only=true фильтрует только нерешённые', function () {
    makeIncident($this->adminId, ['summary' => 'open']);
    makeIncident($this->adminId, [
        'summary' => 'closed',
        'resolved_at' => now()->addHour(),
    ]);

    $r = $this->getJson('/api/admin/incidents?unresolved_only=true');
    expect($r->json('total'))->toBe(1);
    expect($r->json('incidents.0.summary'))->toBe('open');
});

test('GET /api/admin/incidents сортирует по started_at DESC', function () {
    makeIncident($this->adminId, ['summary' => 'old', 'started_at' => now()->subDays(5)]);
    makeIncident($this->adminId, ['summary' => 'new', 'started_at' => now()->subMinutes(5)]);
    makeIncident($this->adminId, ['summary' => 'mid', 'started_at' => now()->subDays(1)]);

    $r = $this->getJson('/api/admin/incidents');
    $summaries = collect($r->json('incidents'))->pluck('summary')->all();
    expect($summaries)->toBe(['new', 'mid', 'old']);
});

test('GET /api/admin/incidents data_breach без rkn_notified_at имеет deadline +24ч', function () {
    $detected = now()->subHours(2);
    makeIncident($this->adminId, [
        'type' => 'data_breach',
        'detected_at' => $detected,
        'started_at' => $detected,
        'summary' => 'PDN leak',
    ]);

    $r = $this->getJson('/api/admin/incidents');
    $row = $r->json('incidents.0');
    expect($row['rkn_notified'])->toBeFalse();
    expect($row['rkn_deadline_at'])->toBeString();
});

test('GET /api/admin/incidents non-data_breach НЕ имеет rkn_deadline', function () {
    makeIncident($this->adminId, ['type' => 'service_outage']);

    $r = $this->getJson('/api/admin/incidents');
    expect($r->json('incidents.0.rkn_deadline_at'))->toBeNull();
});

test('GET /api/admin/incidents summary.rkn_pending считает PDN-breach без notification', function () {
    // 2 PDN-breach: одна с notification, одна без
    makeIncident($this->adminId, [
        'type' => 'data_breach',
        'rkn_notified_at' => now(),
        'summary' => 'breach1 notified',
    ]);
    makeIncident($this->adminId, [
        'type' => 'data_breach',
        'summary' => 'breach2 pending',
    ]);
    // service_outage не считается
    makeIncident($this->adminId, ['type' => 'service_outage', 'summary' => 'outage']);

    $r = $this->getJson('/api/admin/incidents');
    expect($r->json('summary.rkn_pending'))->toBe(1);
});

test('GET /api/admin/incidents limit + offset', function () {
    foreach (range(1, 5) as $i) {
        makeIncident($this->adminId, ['summary' => 'I'.$i, 'started_at' => now()->subMinutes($i)]);
    }
    $r = $this->getJson('/api/admin/incidents?limit=2&offset=1');
    expect($r->json('total'))->toBe(5);
    expect(count($r->json('incidents')))->toBe(2);
});