<?php

namespace App\Jobs;

use App\Models\Booking;
use App\Models\DailyEstablishmentStat;
use App\Models\Establishment;
use App\Models\PaymentTransaction;
use App\Models\Wash;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Queue\Queueable;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;

class GenerateDailyStats implements ShouldQueue
{
    use Queueable;

    public function __construct(
        public ?string $statDate = null,
    ) {}

    public function handle(): void
    {
        $date = $this->statDate !== null
            ? Carbon::parse($this->statDate)->startOfDay()
            : now()->subDay()->startOfDay();

        $dayStart = $date->copy();
        $dayEnd = $date->copy()->endOfDay();

        Establishment::query()->where('is_active', true)->each(function (Establishment $establishment) use ($dayStart, $dayEnd, $date) {
            DB::transaction(function () use ($establishment, $dayStart, $dayEnd, $date) {
                $machineIds = $establishment->machines()->pluck('id');

                if ($machineIds->isEmpty()) {
                    return;
                }

                $totalWashes = Wash::query()
                    ->whereIn('machine_id', $machineIds)
                    ->where('status', 'completed')
                    ->whereBetween('ended_at', [$dayStart, $dayEnd])
                    ->count();

                $totalRevenue = (float) Wash::query()
                    ->whereIn('machine_id', $machineIds)
                    ->where('status', 'completed')
                    ->whereBetween('ended_at', [$dayStart, $dayEnd])
                    ->sum('cost');

                $bookingsCount = Booking::query()
                    ->whereIn('machine_id', $machineIds)
                    ->whereBetween('created_at', [$dayStart, $dayEnd])
                    ->whereNotIn('status', ['cancelled'])
                    ->count();

                $noShowCount = Booking::query()
                    ->whereIn('machine_id', $machineIds)
                    ->where('status', 'no_show')
                    ->whereBetween('slot_start', [$dayStart, $dayEnd])
                    ->count();

                $userIds = Wash::query()
                    ->whereIn('machine_id', $machineIds)
                    ->whereBetween('started_at', [$dayStart, $dayEnd])
                    ->pluck('user_id')
                    ->unique();

                $topUpAmount = $userIds->isEmpty()
                    ? 0.0
                    : (float) PaymentTransaction::query()
                        ->whereIn('user_id', $userIds)
                        ->where('status', 'succeeded')
                        ->whereBetween('updated_at', [$dayStart, $dayEnd])
                        ->sum('amount');

                $machineCount = max(1, $machineIds->count());
                $minutesInDay = 24 * 60;
                $runningMinutes = Wash::query()
                    ->whereIn('machine_id', $machineIds)
                    ->where('status', 'completed')
                    ->whereBetween('ended_at', [$dayStart, $dayEnd])
                    ->get(['duration_minutes'])
                    ->sum(fn (Wash $wash) => $wash->duration_minutes ?? 0);

                $occupancyRate = round(min(100, ($runningMinutes / ($machineCount * $minutesInDay)) * 100), 2);

                DailyEstablishmentStat::query()->updateOrCreate(
                    [
                        'establishment_id' => $establishment->id,
                        'stat_date' => $date->toDateString(),
                    ],
                    [
                        'total_washes' => $totalWashes,
                        'total_revenue' => $totalRevenue,
                        'bookings_count' => $bookingsCount,
                        'no_show_count' => $noShowCount,
                        'top_up_amount' => $topUpAmount,
                        'occupancy_rate' => $occupancyRate,
                    ],
                );
            });
        });
    }
}