<?php

namespace App\Http\Controllers;

use App\Components\AsyncResponse;
use App\Filters\SupplierFilters;
use App\Material;
use App\MaterialSupplier;
use App\Supplier;
use Illuminate\Http\Request;

class SupplierController extends Controller
{
    use AsyncResponse;
    public function index(Request $request,SupplierFilters $filters)
    {
        $this->gate('供应商');
        $suppliers = Supplier::query()->with('material')->orderByDesc('id')->filter($filters)->paginate($request['paginate']??50);
        $materials=Material::query()->select('id','name')->get();
        return view('/maintenance/supplier/index',compact('suppliers','materials'));
    }

    public function storeApi(Request $request)
    {
        $this->gate('供应商-编辑');
        $supplier = Supplier::query()->create($request->addSupplier);
        $material_supplier=[];
        foreach ($request->material_id as $item){
            $material_supplier[]=[
              'material_id'=>$item,
              'supplier_id'=>$supplier->id,
            ];
        }
        MaterialSupplier::query()->insert($material_supplier);
        $this->success($supplier);
    }

    public function updateApi(Request $request)
    {
        $this->gate('供应商-编辑');
        $editSupplier=$request->input('editSupplier');
        $material_ids=$request->input('material_id');
        $material_suppliers=MaterialSupplier::query()->where('supplier_id',$editSupplier['id'])->get();
        $this->updateMaterial($material_suppliers,$material_ids,$editSupplier['id']);
        $supplier = Supplier::query()->find($editSupplier['id']);
        $bool= $supplier->update([
            'name'=>$editSupplier['name'],
            'contact_man'=>$editSupplier['contact_man'],
            'phone'=>$editSupplier['phone'],
            'invoice_title'=>$editSupplier['invoice_title'],
            'bank'=>$editSupplier['bank'],
            'bank_account'=>$editSupplier['bank_account'],
            'opening_bank'=>$editSupplier['opening_bank']
        ]);
        if($bool)$this->success($supplier->loadMissing('material'));
        $this->error('更新异常');
    }

    public function destroyApi($id)
    {
        $this->gate('供应商-删除');
        $supplier = Supplier::query()->find($id);
        $supplier->delete();
        $this->success();
    }
    private function updateMaterial($material_suppliers,$material_ids,$supplier_id){
        $exist=[]; $adds=[];$addMaterial=[];
        foreach ($material_suppliers as $material_supplier){
            $exist[]=$material_supplier['material_id'];
        }
        $deletes=array_diff($exist,$material_ids);
        foreach ($material_ids as $id){
            if (empty($material_suppliers->where('material_id',$id)->first()))$adds[]=$id;
        }
        foreach ($adds as $add){
            $addMaterial[]=[
                'material_id'=>$add,
                'supplier_id'=>$supplier_id,
            ];
        }
        if (count($addMaterial)>0) MaterialSupplier::query()->insert($addMaterial);
        foreach ($deletes as $delete){
            MaterialSupplier::query()->where('material_id',$delete)
                ->where('supplier_id',$supplier_id)->delete();
        }
    }
}