<?php

namespace App\Jobs\Banking;

use App\Abstracts\Job;
use App\Events\Banking\DocumentTransactionCreated;
use App\Events\Banking\DocumentTransactionCreating;
use App\Jobs\Banking\CreateTransaction;
use App\Jobs\Document\CreateDocumentHistory;
use App\Events\Document\PaidAmountCalculated;
use App\Interfaces\Job\ShouldCreate;
use App\Models\Banking\Transaction;
use App\Models\Document\Document;
use App\Traits\Currencies;
use App\Utilities\Date;

class CreateBankingDocumentTransaction extends Job implements ShouldCreate
{
    use Currencies;

    protected $transaction;

    public function __construct(Document $model, $request)
    {
        $this->model = $model;

        parent::__construct($request);
    }

    public function handle(): Transaction
    {
        event(new DocumentTransactionCreating($this->model, $this->request));

        $this->prepareRequest();

        $this->checkAmount();

        \DB::transaction(function () {
            $this->transaction = $this->dispatch(new CreateTransaction($this->request));

            // Upload attachment
            if ($this->request->file('attachment')) {
                $media = $this->getMedia($this->request->file('attachment'), 'transactions');

                $this->transaction->attachMedia($media, 'attachment');
            }

            $this->model->save();

            $this->createHistory();
        });

        event(new DocumentTransactionCreated($this->model, $this->transaction));

        return $this->transaction;
    }

    protected function prepareRequest(): void
    {
        if (!isset($this->request['amount'])) {
            $this->model->paid_amount = $this->model->paid;
            event(new PaidAmountCalculated($this->model));

            $this->request['amount'] = $this->model->amount - $this->model->paid_amount;
        }

        $currency_code = !empty($this->request['currency_code']) ? $this->request['currency_code'] : $this->model->currency_code;

        $this->request['company_id'] = $this->model->company_id;
        $this->request['currency_code'] = $currency_code;
        $this->request['paid_at'] = isset($this->request['paid_at']) ? $this->request['paid_at'] : Date::now()->toDateTimeString();
        $this->request['currency_rate'] = isset($this->request['currency_rate']) ? $this->request['currency_rate'] : currency($currency_code)->getRate();
        $this->request['account_id'] = isset($this->request['account_id']) ? $this->request['account_id'] : setting('default.account');
        $this->request['document_id'] = isset($this->request['document_id']) ? $this->request['document_id'] : $this->model->id;
        $this->request['contact_id'] = isset($this->request['contact_id']) ? $this->request['contact_id'] : $this->model->contact_id;
        $this->request['category_id'] = isset($this->request['category_id']) ? $this->request['category_id'] : $this->model->category_id;
        $this->request['payment_method'] = isset($this->request['payment_method']) ? $this->request['payment_method'] : setting('default.payment_method');
        $this->request['notify'] = isset($this->request['notify']) ? $this->request['notify'] : 0;
    }

    protected function checkAmount(): bool
    {
        $code = $this->request['currency_code'];
        $rate = $this->request['currency_rate'];

        $precision = currency($code)->getPrecision();

        $amount = $this->request['amount'] = round($this->request['amount'], $precision);

        if ($this->model->currency_code != $code) {
            $converted_amount = $this->convertBetween($amount, $code, $rate, $this->model->currency_code, $this->model->currency_rate);

            $amount = round($converted_amount, $precision);
        }

        $this->model->paid_amount = $this->model->paid;
        event(new PaidAmountCalculated($this->model));

        $total_amount = round($this->model->amount - $this->model->paid_amount, $precision);

        unset($this->model->reconciled);
        unset($this->model->paid_amount);

        $compare = bccomp($amount, $total_amount, $precision);

        if ($compare === 1) {
            if ($this->model->currency_code == $code) {
                $message = trans('messages.error.over_payment', ['amount' => money($total_amount, $code)]);

                throw new \Exception($message);
            } else {
                $this->model->status = 'paid';
            }
        } else {
            $this->model->status = ($compare === 0) ? 'paid' : 'partial';
        }

        return true;
    }

    protected function createHistory(): void
    {
        $history_desc = money((double) $this->transaction->amount, (string) $this->transaction->currency_code)->format() . ' ' . trans_choice('general.payments', 1);

        $this->dispatch(new CreateDocumentHistory($this->model, 0, $history_desc));
    }
}
