<?php

namespace Modules\SalesEntry\Repositories;

use Flasher\Laravel\Http\Request;
use Modules\SalesEntry\Models\SalesEntry;
use Modules\SalesEntry\Models\SalesEntryDetail;
use Illuminate\Support\Facades\DB;

class SalesEntryRepository implements SalesEntryInterface
{
    public function findAll()
    {
        return SalesEntry::when(true, function ($query) {
        })->paginate(20);
    }

    public function getSalesEntryById($SalesEntryId)
    {
        return SalesEntry::findOrFail($SalesEntryId);
    }

    public function getSalesEntryByEmail($email)
    {
        return SalesEntry::where('email', $email)->first();
    }

    public function delete($SalesEntryId)
    {
        DB::transaction(function() use ($SalesEntryId) {
            SalesEntryDetail::where('salesentry_id', $SalesEntryId)->delete();
        
            SalesEntry::destroy($SalesEntryId);
        });
    }
    

    public function create($request)
    {
        $salesEntryDetails = $request->except(SalesEntry::getFillableField());

        $salesEntry = $request->only(SalesEntry::getFillableField());
        $salesEntryData =  SalesEntry::create($salesEntry);

        $request->merge(['salesentry_id' => $salesEntryData->id]);

        foreach ($salesEntryDetails['product_id'] as $key => $productId) {
            $data = [
                'salesentry_id' => $request->input('salesentry_id'),
                'product_id' => $productId,
                'unit' => $salesEntryDetails['unit'][$key],
                'rate' => $salesEntryDetails['rate'][$key],
                'quantity' => $salesEntryDetails['qty'][$key],
                'amount' => $salesEntryDetails['amt'][$key],
                'desc' => $salesEntryDetails['desc'][$key],
            ];
            SalesEntryDetail::create($data);
        }
    }


    public function update($SalesEntryId, $request)
    {
        $fillableFields = SalesEntry::getFillableField();
        $salesEntryData = $request->only($fillableFields);

        $salesEntry = SalesEntry::find($SalesEntryId);
        $salesEntry->update($salesEntryData);


        $additionalExcludes = ['_method', '_token'];
        $excludeFields = array_merge($fillableFields, $additionalExcludes);

        $data = $request->except($excludeFields);

        $updatedCombinations = [];

        if (isset($data['product_id'])) {
            foreach ($data['product_id'] as $key => $productId) {
                $obj = [
                    'salesentry_id' => $SalesEntryId,
                    'product_id' => $productId,
                    'unit' => $data['unit'][$key],
                    'rate' => $data['rate'][$key],
                    'quantity' => $data['qty'][$key],
                    'amount' => $data['amt'][$key],
                    'desc' => $data['desc'][$key],
                ];

                $combinationKey = "{$SalesEntryId}_{$productId}_{$data['unit'][$key]}";

                $salesEntryDetail = $salesEntry->salesEntryDetails()->where('product_id', $productId)->where('unit', $data['unit'][$key])->first();
                if ($salesEntryDetail) {
                    $salesEntryDetail->update($obj);
                } else {
                    SalesEntryDetail::create($obj);
                }

                $updatedCombinations[] = $combinationKey;
            }
        }

        $salesEntry->salesEntryDetails()->each(function ($salesEntryDetail) use ($updatedCombinations) {
            $combinationKey = "{$salesEntryDetail->salesEntry_id}_{$salesEntryDetail->product_id}_{$salesEntryDetail->unit}";
            if (!in_array($combinationKey, $updatedCombinations)) {
                $salesEntryDetail->delete();
            }
        });

        return $salesEntry;
    }


    public function pluck()
    {
        return SalesEntry::pluck('name', 'id');
    }
}