<?php

declare(strict_types=1);

use App\Models\SalesAttachmentRequest;
use App\Models\SalesClientAssignment;
use App\Models\SalesUser;
use App\Models\Tenant;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\Mail;
use Tests\Concerns\SharesSupplierPdo;

/**
 * TDD: SalesAttachmentController — HTTP endpoints для заявок на привязку клиентов.
 *
 * Покрывает Task 2.3:
 *   - POST /api/sales/attachments             → менеджер подаёт заявку
 *   - GET  /api/sales/attachments             → список (менеджер/начальник)
 *   - POST /api/sales/attachments/{id}/decide → решение начальника
 *
 * Аутентификация: Sanctum::actingAs($user, [], 'sales').
 * Изоляция: DatabaseTransactions + SharesSupplierPdo (admin-db middleware).
 * DB_DATABASE=liderra_testing.
 */
uses(DatabaseTransactions::class, SharesSupplierPdo::class);

// ── helpers ──────────────────────────────────────────────────────────────────

function apiManager(array $attrs = []): SalesUser
{
    return SalesUser::create(array_merge([
        'name' => 'Менеджер-API '.uniqid(),
        'email' => 'apimgr'.uniqid().'@sales.local',
        'password' => bcrypt('secret'),
        'role' => 'manager',
        'is_active' => true,
    ], $attrs));
}

function apiHead(array $attrs = []): SalesUser
{
    return SalesUser::create(array_merge([
        'name' => 'Начальник-API '.uniqid(),
        'email' => 'apihead'.uniqid().'@sales.local',
        'password' => bcrypt('secret'),
        'role' => 'head',
        'is_active' => true,
    ], $attrs));
}

function apiTenant(string $email = ''): Tenant
{
    return Tenant::factory()->create([
        'contact_email' => $email !== '' ? $email : 'apiclient'.uniqid().'@example.com',
    ]);
}

// ── store: POST /api/sales/attachments ───────────────────────────────────────

test('manager POST /api/sales/attachments with existing client email → 201 pending', function () {
    Mail::fake();

    $manager = apiManager();
    $tenant = apiTenant('known-client@example.com');

    $response = $this->actingAs($manager, 'sales')
        ->postJson('/api/sales/attachments', ['login' => 'known-client@example.com']);

    $response->assertCreated();
    expect($response->json('status'))->toBe('pending');
    expect($response->json('tenant_id'))->toBe($tenant->id);
    expect($response->json('status_label'))->toBe('На рассмотрении');
});

test('manager POST with unknown login → 201 not_found', function () {
    Mail::fake();

    $manager = apiManager();

    $response = $this->actingAs($manager, 'sales')
        ->postJson('/api/sales/attachments', ['login' => 'nobody-xyz@unknown.test']);

    $response->assertCreated();
    expect($response->json('status'))->toBe('not_found');
    expect($response->json('tenant_id'))->toBeNull();
    expect($response->json('status_label'))->toBe('Клиент не найден');
});

test('manager POST for client already assigned to them → 422 with plain-Russian message', function () {
    Mail::fake();

    $manager = apiManager();
    $tenant = apiTenant('own-api-client@example.com');

    SalesClientAssignment::create([
        'sales_user_id' => $manager->id,
        'tenant_id' => $tenant->id,
        'tariff_params' => [],
        'assigned_at' => now(),
    ]);

    $response = $this->actingAs($manager, 'sales')
        ->postJson('/api/sales/attachments', ['login' => 'own-api-client@example.com']);

    $response->assertStatus(422);
    expect($response->json('message'))->toBe('Этот клиент уже ваш.');
});

test('POST without login field → 422 validation error', function () {
    $manager = apiManager();

    $this->actingAs($manager, 'sales')
        ->postJson('/api/sales/attachments', [])
        ->assertStatus(422);
});

// ── index: GET /api/sales/attachments ────────────────────────────────────────

test('manager GET /api/sales/attachments sees only their own requests', function () {
    Mail::fake();

    $managerA = apiManager();
    $managerB = apiManager();

    // Создаём заявки для обоих менеджеров
    SalesAttachmentRequest::create([
        'sales_user_id' => $managerA->id,
        'login_input' => 'client-a@example.com',
        'status' => 'pending',
    ]);
    SalesAttachmentRequest::create([
        'sales_user_id' => $managerB->id,
        'login_input' => 'client-b@example.com',
        'status' => 'pending',
    ]);

    $response = $this->actingAs($managerA, 'sales')
        ->getJson('/api/sales/attachments');

    $response->assertOk();
    $data = $response->json('data');
    expect($data)->not->toBeNull()->toHaveCount(1);
    expect($data[0]['login_input'])->toBe('client-a@example.com');
});

test('head GET /api/sales/attachments sees pending queue including other managers requests', function () {
    Mail::fake();

    $manager = apiManager();
    $head = apiHead();

    // Pending заявка от менеджера
    SalesAttachmentRequest::create([
        'sales_user_id' => $manager->id,
        'login_input' => 'head-visible@example.com',
        'status' => 'pending',
    ]);

    $response = $this->actingAs($head, 'sales')
        ->getJson('/api/sales/attachments');

    $response->assertOk();
    expect($response->json('pending'))->not->toBeNull();
    expect($response->json('history'))->not->toBeNull();

    $pending = $response->json('pending');
    $logins = array_column($pending, 'login_input');
    expect($logins)->toContain('head-visible@example.com');
});

test('head GET index returns manager_name in pending rows', function () {
    Mail::fake();

    $manager = apiManager(['name' => 'Иван Тестов '.uniqid()]);
    $head = apiHead();

    SalesAttachmentRequest::create([
        'sales_user_id' => $manager->id,
        'login_input' => 'head-mgr-name@example.com',
        'status' => 'pending',
    ]);

    $response = $this->actingAs($head, 'sales')
        ->getJson('/api/sales/attachments');

    $response->assertOk();
    $pending = $response->json('pending');
    expect($pending)->not->toBeEmpty();

    // Ищем нашу заявку
    $found = collect($pending)->firstWhere('login_input', 'head-mgr-name@example.com');
    expect($found)->not->toBeNull();
    expect($found['manager_name'])->toContain('Иван Тестов');
});

// ── decide: POST /api/sales/attachments/{id}/decide ──────────────────────────

test('head POST decide approve → 200, assignment created', function () {
    Mail::fake();

    $manager = apiManager();
    $head = apiHead();
    $tenant = apiTenant('decide-test@example.com');

    $req = SalesAttachmentRequest::create([
        'sales_user_id' => $manager->id,
        'login_input' => 'decide-test@example.com',
        'tenant_id' => $tenant->id,
        'status' => 'pending',
    ]);

    $response = $this->actingAs($head, 'sales')
        ->postJson("/api/sales/attachments/{$req->id}/decide", ['action' => 'approve']);

    $response->assertOk();
    expect($response->json('status'))->toBe('approved');
    expect($response->json('status_label'))->toBe('Одобрено');

    // Spot-check: assignment создан
    $assignment = SalesClientAssignment::where('tenant_id', $tenant->id)->first();
    expect($assignment)->not->toBeNull();
    expect($assignment->sales_user_id)->toBe($manager->id);
});

test('manager POST decide → 403 plain Russian message', function () {
    Mail::fake();

    $manager = apiManager();
    $otherManager = apiManager();
    $tenant = apiTenant('mgr-decide@example.com');

    $req = SalesAttachmentRequest::create([
        'sales_user_id' => $otherManager->id,
        'login_input' => 'mgr-decide@example.com',
        'tenant_id' => $tenant->id,
        'status' => 'pending',
    ]);

    $response = $this->actingAs($manager, 'sales')
        ->postJson("/api/sales/attachments/{$req->id}/decide", ['action' => 'approve']);

    $response->assertStatus(403);
    expect($response->json('message'))->toBe('Только начальник может решать по заявкам.');
});

test('decide with invalid action → 422 validation error', function () {
    $head = apiHead();
    $manager = apiManager();
    $tenant = apiTenant('bad-action@example.com');

    $req = SalesAttachmentRequest::create([
        'sales_user_id' => $manager->id,
        'login_input' => 'bad-action@example.com',
        'tenant_id' => $tenant->id,
        'status' => 'pending',
    ]);

    $this->actingAs($head, 'sales')
        ->postJson("/api/sales/attachments/{$req->id}/decide", ['action' => 'invalidaction'])
        ->assertStatus(422);
});

// ── unauthenticated ───────────────────────────────────────────────────────────

test('unauthenticated POST /api/sales/attachments → 401', function () {
    $this->postJson('/api/sales/attachments', ['login' => 'test@example.com'])
        ->assertUnauthorized();
});

test('unauthenticated GET /api/sales/attachments → 401', function () {
    $this->getJson('/api/sales/attachments')
        ->assertUnauthorized();
});