<?php

declare(strict_types=1);

use App\Models\Project;
use App\Models\Tenant;
use App\Models\User;
use Database\Seeders\PricingTierSeeder;
use Illuminate\Foundation\Testing\DatabaseTransactions;

uses(DatabaseTransactions::class);

/**
 * GET /api/billing/balance-status — статус баланса для UI префлайта (Billing v2
 * Spec C Task 1.10): питает баннер заморозки (BalanceFrozenBanner) и индикатор
 * ёмкости (BalanceCapacityIndicator).
 *
 * PricingTierSeeder: ступень 1 — 100 лидов × 500₽ (см. BillingOverviewControllerTest).
 */
beforeEach(function () {
    $this->seed(PricingTierSeeder::class);
    $this->tenant = Tenant::factory()->create([
        'balance_rub' => '5000.00',
        'delivered_in_month' => 0,
        'frozen_by_balance_at' => null,
    ]);
    $this->user = User::factory()->create(['tenant_id' => $this->tenant->id]);
    $this->actingAs($this->user);
});

test('GET /api/billing/balance-status: структура ответа', function () {
    $this->getJson('/api/billing/balance-status')
        ->assertOk()
        ->assertJsonStructure([
            'frozen_by_balance_at',
            'balance_rub',
            'capacity_leads',
            'required_leads_per_day',
            'deficit_leads',
            'deficit_rub',
        ]);
});

test('balance-status: хватает баланса — deficit=0, не заморожен', function () {
    // 5000₽ при ступени 1 (500₽/лид) = 10 лидов ёмкости. Проект лимит 5 — впритык.
    Project::factory()->create([
        'tenant_id' => $this->tenant->id,
        'is_active' => true,
        'daily_limit_target' => 5,
    ]);

    $resp = $this->getJson('/api/billing/balance-status')->assertOk();

    expect($resp->json('balance_rub'))->toBe('5000.00');
    expect($resp->json('capacity_leads'))->toBe(10);
    expect($resp->json('required_leads_per_day'))->toBe(5);
    expect($resp->json('deficit_leads'))->toBe(0);
    expect($resp->json('deficit_rub'))->toBe('0.00');
    expect($resp->json('frozen_by_balance_at'))->toBeNull();
});

test('balance-status: не хватает — deficit_leads + deficit_rub точные', function () {
    // Ёмкость = 10 лидов. Проект лимит 25 → нужно 25, дефицит 15 лидов.
    // minBalanceForLeads(25) = 25 × 500₽ = 12500₽ → deficit_rub = 12500 − 5000 = 7500.00.
    Project::factory()->create([
        'tenant_id' => $this->tenant->id,
        'is_active' => true,
        'daily_limit_target' => 25,
    ]);

    $resp = $this->getJson('/api/billing/balance-status')->assertOk();

    expect($resp->json('capacity_leads'))->toBe(10);
    expect($resp->json('required_leads_per_day'))->toBe(25);
    expect($resp->json('deficit_leads'))->toBe(15);
    expect($resp->json('deficit_rub'))->toBe('7500.00');
});

test('balance-status: required исключает inactive и preflight_blocked проекты', function () {
    Project::factory()->create([
        'tenant_id' => $this->tenant->id, 'is_active' => true, 'daily_limit_target' => 5,
    ]);
    Project::factory()->create([
        'tenant_id' => $this->tenant->id, 'is_active' => false, 'daily_limit_target' => 100,
    ]);
    Project::factory()->create([
        'tenant_id' => $this->tenant->id, 'is_active' => true, 'daily_limit_target' => 100,
        'preflight_blocked_at' => now(),
    ]);

    $resp = $this->getJson('/api/billing/balance-status')->assertOk();

    expect($resp->json('required_leads_per_day'))->toBe(5);
});

test('balance-status: возвращает frozen_by_balance_at когда установлен', function () {
    $this->tenant->update(['frozen_by_balance_at' => now()]);

    $resp = $this->getJson('/api/billing/balance-status')->assertOk();

    expect($resp->json('frozen_by_balance_at'))->not->toBeNull();
});

test('GET /api/billing/balance-status без auth: 401', function () {
    auth()->logout();
    $this->getJson('/api/billing/balance-status')->assertStatus(401);
});