<?php

namespace App\Services;

use App\Admin\Filters\LedgerFilter;
use App\Admin\Filters\StoreFilter;
use App\Models\Ledger;
use App\Models\Store;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;

class StatisticService
{
    /**
     * 门店统计
     */
    public function stores(array $input = [], array $sorts = []): array
    {
        $storeLedgerStats = Ledger::select(['store_id', DB::raw('SUM(sales) as sales'), DB::raw('SUM(expenditure) as expenditure')])
            ->filter(Arr::only($input, ['date_range', 'start_at', 'end_at']), LedgerFilter::class)
            ->groupBy('store_id');

        $stores = Store::filter(Arr::only($input, ['store_id', 'region']), StoreFilter::class)
            ->leftJoinSub($storeLedgerStats, 'store_ledger_stats', fn ($join) => $join->on('stores.id', '=', 'store_ledger_stats.store_id'))
            ->when($sorts, function ($query, $sorts) {
                foreach ($sorts as $sort) {
                    $query->orderBy($sort[0], $sort[1]);
                }
            })
            ->get();

        return $stores->map(function (Store $store, $key) {
            return [
                'ranking' => $key + 1,
                'store' => [
                    'id' => $store->id,
                    'title' => $store->title,
                ],
                'sales' => trim_zeros($store->sales ?: 0),
                'expenditure' => trim_zeros($store->expenditure ?: 0),
            ];
        })->all();
    }
}