<?php
namespace App\Modules\Purchasing;

use Illuminate\Support\Facades\DB;
use Tempo\Purchasing\Embedded\Services\ReceiptWorkflow;

/** Read projection of the native matching quantities; never a reservation or writer. */
final class InvoiceMatchingProgress
{
    public function quantities(int $ordered,int $accepted,int $returned,int $reversed,int $validated,int $pending):array
    {
        $net=$accepted-$returned-$reversed;$ceiling=min($ordered,$net);
        return ['ordered_milli'=>$ordered,'accepted_milli'=>$accepted,'returned_milli'=>$returned,'reversed_milli'=>$reversed,'accepted_net_milli'=>$net,'validated_milli'=>$validated,'pending_milli'=>$pending,'remaining_milli'=>max(0,$ceiling-$validated),'deficit_milli'=>max(0,$validated-$ceiling)];
    }
    public function forOrder(object $order,array $state):array
    {
        $ids=array_column($state['order']['items'],'id');if($ids===[])return [];
        $accepted=DB::table('goods_receipt_items')->where('tenant_id',$order->tenant_id)->whereIn('purchase_order_item_id',$ids)->groupBy('purchase_order_item_id')->selectRaw('purchase_order_item_id,SUM(accepted_milli) AS accepted')->get()->keyBy('purchase_order_item_id');
        $invoiced=DB::table('invoice_items as l')->join('invoices as i','i.id','=','l.invoice_id')->where(['l.tenant_id'=>$order->tenant_id,'i.tenant_id'=>$order->tenant_id,'i.purchase_order_id'=>$order->id])->whereIn('l.purchase_order_item_id',$ids)->groupBy('l.purchase_order_item_id')->selectRaw("l.purchase_order_item_id,SUM(CASE WHEN i.status='validated' THEN l.quantity_milli ELSE 0 END) AS validated,SUM(CASE WHEN i.status='pending' THEN l.quantity_milli ELSE 0 END) AS pending")->get()->keyBy('purchase_order_item_id');
        $effects=array_column($state['physical_corrections'],null,'line');$rows=[];
        foreach($state['order']['items']as$line){$id=$line['id'];
            $rows[]=['line_id'=>$id,'description'=>$line['description'],'unit'=>$line['unit']]+$this->quantities(ReceiptWorkflow::milli($line['quantity']),(int)($accepted[$id]->accepted??0),(int)($effects[$id]['returned']??0),(int)($effects[$id]['reversed']??0),(int)($invoiced[$id]->validated??0),(int)($invoiced[$id]->pending??0));
        }return $rows;
    }
}