<?php

namespace App\Classes\Modules\Accounting\ControllersLogic;


use App\Classes\Exceptions\MalformedRequestException;
use App\Classes\General\Abstracts\AbstractControllerLogic;
use App\Classes\Modules\Documents\DataTransferObjects\DocumentObject;
use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Models\AccountStatement;
use App\Models\StatementAccount;
use App\Models\StatementTransaction;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Log;
use Maatwebsite\Excel\Facades\Excel;

class ImportCiefLiteStatementLogic extends AbstractControllerLogic
{

    /**
     * @return array
     */
    protected function notification():array {
        return [
            'title' => 'Import Cief Lite Statement Transactions Details',
            'message' => 'You have successfully updated the Cief Lite Statement Transactions Details'
        ];
    }


    /**
     * @param Request $request
     * @return JsonResponse
     * @throws MalformedRequestException
     */
    public function logic(Request $request) : JsonResponse
    {

        $object = new DocumentObject('', $request->input('files'), '', ApprovalStatus::APPROVED, 'imports');
        foreach ($object->getFiles() as $file){
            $collection = Excel::toCollection(null, json_decode($file)->file_info->original->file, null, null, true);

            $sheet = $collection->first()->skip(1);

            $dateTo = $sheet->first()[10];
            $dateFrom = $sheet->last()[10];
            $totalTransaction = $sheet->count();

            $offset = 1;
            do {
                $dateFrom = $sheet->offsetGet($sheet->count() - $offset)[10];
                $offset += 1;
            } while(!$dateFrom);


            $dateFrom = carbon::parse($dateFrom);
            $dateTo = carbon::parse($dateTo);

            $statement = AccountStatement::whereDate('date_from', $dateFrom)
                ->whereDate('date_to', $dateTo)
                ->where('total_amount', $totalTransaction)
                ->first();

            if(!$statement){
                $statement = new AccountStatement([
                    'date_from' => $dateFrom,
                    'date_to' => $dateTo,
                    'total_amount' => $totalTransaction,
                ]);
            }

            $account = StatementAccount::where("name", "CIEF LITE")->first();

            if (!$account) {
                throw new Exception("Statement Account for CIEF LITE not found.");
            }

            $account->statements()->save($statement);

            $sheet->map(function ($row) use ($statement) {
                if (!$row[0]) {
                    return;
                }
                $postingDate = $row[10];
                $transactionDescription = trim($row[1]);
                $description2 = trim($row[2]);
                $description3 = "Fee " . $row[6];
                $description4 = trim($row[8]);
                $transactionRef = trim($row[12]);
                $amount = ((float) str_replace(',', '', $row[7]));
                $transactionCode = $row[0];
                $transaction = new StatementTransaction([
                    'posting_date' => $postingDate,
                    'transaction_description' => $transactionDescription,
                    'transaction_description_2' => $description2,
                    'transaction_description_3' => $description3,
                    'transaction_description_4' => $description4,
                    'transaction_ref' => $transactionRef,
                    'amount' => $amount,
                    'transaction_code' => $transactionCode,
                ]);

                // Check if the transaction already exists for this statement
                $existingTransaction = StatementTransaction::where('transaction_ref', $transactionRef)
                    ->where('posting_date', $postingDate)
                    ->where('amount', $amount)
                    ->where('transaction_description', $transactionDescription)
                    ->where('transaction_code', $transactionCode)
                    ->first();

                if (!$existingTransaction) {
                    $statement->transactions()->save($transaction);
                }

                return $transaction;
            });
        }

        return $this->response([]);

    }

}