<?php

namespace App\Services\Community;

use App\Models\RadioSchedule;
use App\Models\User;
use Illuminate\Support\Facades\Cache;

class RadioScheduleService
{
    public function getCurrentDJ(?string $manualDjId = null): ?array
    {
        if (! empty($manualDjId)) {
            $dj = Cache::remember("user_{$manualDjId}", 60, fn () => User::find($manualDjId));

            if ($dj) {
                return [
                    'username' => $dj->username,
                    'look' => $dj->look,
                    'show_name' => 'Live DJ',
                    'is_manual' => true,
                ];
            }
        }

        $currentSlot = RadioSchedule::with('user:id,username,look')
            ->active()
            ->where('day', $this->getCurrentDay())
            ->whereTime('start_time', '<=', now()->format('H:i:s'))
            ->whereTime('end_time', '>=', now()->format('H:i:s'))
            ->first();

        if ($currentSlot?->user) {
            return [
                'username' => $currentSlot->user->username,
                'look' => $currentSlot->user->look,
                'show_name' => $currentSlot->show_name,
                'start_time' => $currentSlot->start_time->format('H:i'),
                'end_time' => $currentSlot->end_time->format('H:i'),
                'is_manual' => false,
            ];
        }

        return null;
    }

    public function getTodaySchedule(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::remember('radio_schedule_today', 60, fn () => RadioSchedule::with('user:id,username,look')
            ->active()
            ->today()
            ->orderBy('start_time')
            ->get());
    }

    public function getFullSchedule(): \Illuminate\Support\Collection
    {
        return Cache::remember('radio_schedule_all', 300, fn () => RadioSchedule::with('user:id,username,look')
            ->active()
            ->ordered()
            ->get()
            ->groupBy('day'));
    }

    private function getCurrentDay(): string
    {
        return strtolower(now()->format('l'));
    }
}