<?php

namespace App\Services\Achievements\Checkers;

use App\Models\Alliance;
use App\Models\User;
use App\Models\UserFlight;

class AirlinesAndAlliancesChecker extends BaseChecker
{
    public function check(): void
    {
        $flights = $this->flights();

        $alliances = Alliance::withCount('airlines')->pluck('id', 'internal_name');

        $flownAllianceAirlines = $flights
            ->filter(fn(UserFlight $f) => $f->airline?->alliance !== null)
            ->groupBy(fn(UserFlight $f) => $f->airline->alliance->internal_name)
            ->map(fn($group) => $group->pluck('airline.internal_name')->unique()->count());

        $check = fn(string $alliance): int => $flownAllianceAirlines->get($alliance, 0);

        $this->awardProgress($check('skyteam'),          'airlines_alliances.all_skyteam');
        $this->awardProgress($check('oneworld'),         'airlines_alliances.all_oneworld');
        $this->awardProgress($check('star_alliance'),    'airlines_alliances.all_star_alliance');
        $this->awardProgress($check('vanilla_alliance'), 'airlines_alliances.all_vanilla_alliance');
    }
}