<?php

declare(strict_types=1);

use App\Services\Sales\AdAudienceScheduler;
use Carbon\CarbonImmutable;

/** Сроки по умолчанию из спеки v2. */
function durations(array $override = []): array
{
    return array_merge([
        'warmup_days' => 3,
        'new_days' => 3,
        'in_work_days' => 14,
        'negotiation_overdue_days' => 3,
        'negotiation_far_threshold_days' => 14,
        'negotiation_far_head_days' => 3,
        'negotiation_far_lead_days' => 3,
        'no_answer_days' => 7,
        'rejected_days' => 3,
        'registered_days' => 30,
        'testing_days' => 30,
    ], $override);
}

function decide(array $firm, array $override = [], string $now = '2026-08-01 12:00:00'): array
{
    return (new AdAudienceScheduler(durations($override)))
        ->decide($firm, CarbonImmutable::parse($now));
}

it('греет фирму без менеджера три дня', function () {
    $result = decide([
        'stage' => null,
        'warmup_started_at' => CarbonImmutable::parse('2026-07-31 12:00:00'),
        'next_call_at' => null,
    ]);

    expect($result['state'])->toBe('active');
});

it('останавливает прогрев и зовёт назначить менеджера, когда три дня вышли', function () {
    $result = decide([
        'stage' => null,
        'warmup_started_at' => CarbonImmutable::parse('2026-07-25 12:00:00'),
        'next_call_at' => null,
    ]);

    expect($result['state'])->toBe('stopped')
        ->and($result['reason'])->toBe('ready_for_manager');
});

it('крутит рекламу на новой карточке три дня от назначения', function () {
    $result = decide([
        'stage' => 'new',
        'assigned_at' => CarbonImmutable::parse('2026-07-30 12:00:00'),
        'next_call_at' => null,
    ]);

    expect($result['state'])->toBe('active');
});

it('гасит новую карточку после трёх дней', function () {
    $result = decide([
        'stage' => 'new',
        'assigned_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
        'next_call_at' => null,
    ]);

    expect($result['state'])->toBe('stopped')
        ->and($result['reason'])->toBe('stage_limit');
});

it('взятому в работу даёт четырнадцать дней, потому что даты созвона там нет', function () {
    expect(decide([
        'stage' => 'in_work',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-25 12:00:00'),
        'next_call_at' => null,
    ])['state'])->toBe('active');

    expect(decide([
        'stage' => 'in_work',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-01 12:00:00'),
        'next_call_at' => null,
    ])['state'])->toBe('stopped');
});

it('в переговорах крутит рекламу до дня созвона', function () {
    expect(decide([
        'stage' => 'negotiation',
        'next_call_at' => CarbonImmutable::parse('2026-08-05 12:00:00'),
    ])['state'])->toBe('active');
});

it('после просроченного созвона даёт три дня и гасит', function () {
    expect(decide([
        'stage' => 'negotiation',
        'next_call_at' => CarbonImmutable::parse('2026-07-30 12:00:00'),
    ])['state'])->toBe('active');

    expect(decide([
        'stage' => 'negotiation',
        'next_call_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
    ])['state'])->toBe('stopped')
        ->and(decide([
            'stage' => 'negotiation',
            'next_call_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
        ])['reason'])->toBe('call_overdue');
});

it('при далёком созвоне крутит три дня, потом ставит на паузу', function () {
    $far = CarbonImmutable::parse('2026-09-30 12:00:00');

    expect(decide([
        'stage' => 'negotiation',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-31 12:00:00'),
        'next_call_at' => $far,
    ])['state'])->toBe('active');

    $paused = decide([
        'stage' => 'negotiation',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
        'next_call_at' => $far,
    ]);

    expect($paused['state'])->toBe('paused')
        ->and($paused['resume_at']->toDateString())->toBe('2026-09-27');
});

it('включает рекламу снова за три дня до далёкого созвона', function () {
    expect(decide([
        'stage' => 'negotiation',
        'stage_changed_at' => CarbonImmutable::parse('2026-06-01 12:00:00'),
        'next_call_at' => CarbonImmutable::parse('2026-08-03 12:00:00'),
    ], ['negotiation_far_threshold_days' => 1])['state'])->toBe('active');
});

it('недозвону даёт семь дней', function () {
    expect(decide([
        'stage' => 'no_answer',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-28 12:00:00'),
    ])['state'])->toBe('active');

    expect(decide([
        'stage' => 'no_answer',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
    ])['state'])->toBe('stopped');
});

it('отказу даёт три дня', function () {
    expect(decide([
        'stage' => 'rejected',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-31 12:00:00'),
    ])['state'])->toBe('active');

    expect(decide([
        'stage' => 'rejected',
        'stage_changed_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
    ])['state'])->toBe('stopped');
});

it('регистрации и тестированию даёт тридцать дней', function () {
    foreach (['registered', 'testing'] as $stage) {
        expect(decide([
            'stage' => $stage,
            'stage_changed_at' => CarbonImmutable::parse('2026-07-20 12:00:00'),
        ])['state'])->toBe('active');

        expect(decide([
            'stage' => $stage,
            'stage_changed_at' => CarbonImmutable::parse('2026-05-01 12:00:00'),
        ])['state'])->toBe('stopped');
    }
});

it('за пополнивших баланс и пользователей мы не платим', function () {
    foreach (['topped_up', 'user'] as $stage) {
        $result = decide([
            'stage' => $stage,
            'stage_changed_at' => CarbonImmutable::parse('2026-07-31 12:00:00'),
        ]);

        expect($result['state'])->toBe('stopped')
            ->and($result['reason'])->toBe('client_won');
    }
});

it('слушается изменённых настроек', function () {
    expect(decide([
        'stage' => null,
        'warmup_started_at' => CarbonImmutable::parse('2026-07-25 12:00:00'),
    ], ['warmup_days' => 30])['state'])->toBe('active');
});