<?php

namespace App\Classes\Modules\Transactions\Processors;

use App\Classes\Exceptions\MalformedRequestException;
use App\Classes\Modules\Bookings\Services\CalculatesBookingPayableAmount;
use App\Classes\Modules\Bookings\Services\CalculatesBookingTransferredAmount;
use App\Classes\Modules\Bookings\Services\CalculatesBookingRefundAmount;
use App\Classes\Modules\ServiceTypes\Services\FetchesServiceConfigurations;
use App\Classes\Modules\Transactions\Services\ListsTransactions;
use App\Classes\Modules\Transactions\Services\CreatesTransaction;
use App\Classes\Modules\Transactions\Services\GeneratesTransactionBillNumber;
use App\Classes\Modules\Bookings\Services\CalculatesBookingPaidAmount;
use App\Classes\Modules\Bookings\Services\CalculatesBookingCurrencyAverageRate;
use App\Classes\Modules\Companies\Services\FetchesCompany;
use App\Classes\Modules\Bookings\Services\UpdatesBookingStatus;
use App\Classes\Modules\Transactions\DataTransferObjects\TransactionObject;
use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Classes\ValueObjects\Constants\SegmentConstants;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Classes\ValueObjects\Constants\DocumentType;
use App\Classes\ValueObjects\Constants\KVPKey;
use App\Models\Booking;
use App\Models\SegmentConstant;
use Carbon\Carbon;
use Exception;
use Illuminate\Support\Facades\Log;

class CreateInvoiceTransactionV2Processor
{

    /** @var CreatesTransaction */
    private $createsTransaction;

    /** @var GeneratesTransactionBillNumber */
    private $generatesTransactionBillNumber;

    /** @var CalculatesBookingPaidAmount */
    private $calculatesBookingPaidAmount;

    /** @var CalculatesBookingPayableAmount */
    private $calculatesBookingPayableAmount;

    /** @var CalculatesBookingTransferredAmount */
    private $calculatesBookingTransferredAmount;

    /** @var CalculatesBookingCurrencyAverageRate */
    private $calculatesBookingCurrencyAverageRate;

    /** @var FetchesCompany */
    private $fetchesCompany;

    /** @var UpdatesBookingStatus */
    private $updatesBookingStatus;

    /** @var CreateInvoiceDocumentProcessor */
    private $invoiceDocumentProcessor;

    /** @var CalculatesBookingRefundAmount */
    private $calculatesBookingRefundAmount;


    /**
     * CreateInvoiceTransactionV2Processor constructor.
     * @param ListsTransactions $listsTransactions
     * @param CreatesTransaction $createsTransaction
     * @param GeneratesTransactionBillNumber $generatesTransactionBillNumber
     * @param CalculatesBookingPaidAmount $calculatesBookingPaidAmount
     * @param CalculatesBookingPayableAmount $calculatesBookingPayableAmount
     * @param CalculatesBookingTransferredAmount $calculatesBookingTransferredAmount
     * @param FetchesServiceConfigurations $fetchesServiceConfigurations
     * @param CalculatesBookingCurrencyAverageRate $calculatesBookingCurrencyAverageRate
     * @param FetchesCompany $fetchesCompany
     * @param UpdatesBookingStatus $updatesBookingStatus
     * @param CreateInvoiceDocumentProcessor $invoiceDocumentProcessor
     * @param CalculatesBookingRefundAmount $calculatesBookingRefundAmount
     */
    public function __construct(ListsTransactions $listsTransactions, CreatesTransaction $createsTransaction, GeneratesTransactionBillNumber $generatesTransactionBillNumber, CalculatesBookingPaidAmount $calculatesBookingPaidAmount, CalculatesBookingPayableAmount $calculatesBookingPayableAmount, CalculatesBookingTransferredAmount $calculatesBookingTransferredAmount, FetchesServiceConfigurations $fetchesServiceConfigurations, CalculatesBookingCurrencyAverageRate $calculatesBookingCurrencyAverageRate, FetchesCompany $fetchesCompany, UpdatesBookingStatus $updatesBookingStatus, CreateInvoiceDocumentProcessor $invoiceDocumentProcessor, CalculatesBookingRefundAmount $calculatesBookingRefundAmount)
    {
        $this->createsTransaction = $createsTransaction;
        $this->generatesTransactionBillNumber = $generatesTransactionBillNumber;
        $this->calculatesBookingPaidAmount = $calculatesBookingPaidAmount;
        $this->calculatesBookingPayableAmount = $calculatesBookingPayableAmount;
        $this->calculatesBookingTransferredAmount = $calculatesBookingTransferredAmount;
        $this->calculatesBookingCurrencyAverageRate = $calculatesBookingCurrencyAverageRate;
        $this->fetchesCompany = $fetchesCompany;
        $this->updatesBookingStatus = $updatesBookingStatus;
        $this->invoiceDocumentProcessor = $invoiceDocumentProcessor;
        $this->calculatesBookingRefundAmount = $calculatesBookingRefundAmount;
    }


    /**
     * @param Booking $booking
     * @param String $invoiceNo
     * @param Illuminate\Support\Collection<\App\Models\KeyValuePair> $kvpCopies
     * @param array $options
     * @return void
     * @throws MalformedRequestException
     */
    public function execute(Booking $booking, String $invoiceNo= "", $kvpCopies = null, array $options = [])
    {
        $generateEInvoice = $options['generateEInvoice'] ?? false;
        $generateEInvoiceWithNormalInvoiceTemplate = $options['generateEInvoiceWithNormalInvoiceTemplate'] ?? false;
        $generateEInvoiceRefund = $options['generateEInvoiceRefund'] ?? false;
        $bookingOriginalStatus = $options['bookingOriginalStatus'] ?? null;

        // Log::info('CreateInvoiceTransactionV2Processor generateEInvoice:' . json_encode($generateEInvoice));
        // Log::info('CreateInvoiceTransactionV2Processor generateEInvoiceWithNormalInvoiceTemplate: ' . json_encode($generateEInvoiceWithNormalInvoiceTemplate));
        // Log::info('CreateInvoiceTransactionV2Processor generateEInvoiceRefund: ' . json_encode($generateEInvoiceRefund));
        // Log::info('CreateInvoiceTransactionV2Processor bookingOriginalStatus: ' . json_encode($bookingOriginalStatus));

        if ($booking->status === ApprovalStatus::COMPLETED && !$generateEInvoiceRefund) {
            Log::info('CreateInvoiceTransactionV2Processor Check 1 Bypass New Business Logic Update for booking ' . $booking->id);
            // return;
        }

        $payable_amount = $this->calculatesBookingPayableAmount->execute($booking, $booking->fix_currency_id, $generateEInvoiceRefund);
        $refund_amount = $this->calculatesBookingRefundAmount->execute($booking, $booking->fix_currency_id);
        $booking_amount = $booking->fix_amount;

        if ((float) $booking_amount === (float) $refund_amount && !$generateEInvoiceRefund) {
            return;
        }

        // confirm that booking amount has been fully paid
        if ((float) $booking_amount > (float) $payable_amount) {
            return;
        }
        // confirm that all payments has been transferred
        if ($this->calculatesBookingTransferredAmount->execute($booking) !== $this->calculatesBookingPaidAmount->execute($booking)) {
            Log::info('CreateInvoiceTransactionV2Processor Check 2 Bypass New Business Logic Update for booking ' . $booking->id);
            // return;
        }

        $purchaseOrder = $booking->transactions()
            ->where('type', TransactionType::PURCHASE_ORDER)
            ->complete()
            ->first();

        if(!$purchaseOrder){
            //was use for $generateEInvoiceRefund true
            $purchaseOrder = $booking->transactions()
                ->where('type', TransactionType::PURCHASE_ORDER)
                ->where('status', ApprovalStatus::PENDING_SUBMISSION)
                ->first();
        }

        $constants = SegmentConstant::where('reference', SegmentConstants::SERVICE_TYPE)->where('detail->id', $booking->service->id)->first();
        // if ($constants->detail->is_billable && !$purchaseOrder && !$generateEInvoiceRefund) {
        //     return;
        // }

        $transaction = $booking->transactions()
            ->where('type', TransactionType::PAYMENT)
            ->latest()->get()[0];
        $supplier = $this->fetchesCompany->execute(['id' => $transaction->receiver]);

        // Check if eInvoice implementation has started and company opted in for eInvoice
        $eInvoice = false;
        $eInvoiceStartDate = Carbon::parse(env('E_INVOICE_START_DATE', '2025-07-01 00:00:00'));
        $bookingCreatedDate = Carbon::parse($booking->created_at);
        $eInvoiceRequestedDate = Carbon::parse($supplier->e_invoice_requested_at);
        if ($bookingCreatedDate->isAfter($eInvoiceStartDate) && $bookingCreatedDate->isAfter($eInvoiceRequestedDate) && $supplier->e_invoice === 1) {
            $eInvoice = true;
        }
        $kvp = $booking->attributesKVP()->where('key', KVPKey::BOOKING_EINVOICE_ELIGIBLE)->first();
        if($kvp){
            $eInvoice = true;
        }

        if($generateEInvoiceWithNormalInvoiceTemplate){
            $invoiceNo = ""; //July 2025 workaround generate normal invoice instead of E-Invoice
        }

        if($invoiceNo){
            $billNumber = $invoiceNo;
        }
        else{
            $billNUmberPrefix = $eInvoice ? 'EINV-' : 'INV-';
            if($generateEInvoiceWithNormalInvoiceTemplate){
                $billNUmberPrefix = 'INV-'; //July 2025 workaround generate normal invoice instead of E-Invoice
            }
            $billNumber = $this->generatesTransactionBillNumber->execute($billNUmberPrefix);
        }

        $booking_currency_average_rate = $this->calculatesBookingCurrencyAverageRate->execute($booking, TransactionType::PAYMENT, $generateEInvoiceRefund);

        if($generateEInvoiceRefund){
             $total_service_charge = $booking->transactions()
                ->where('type', TransactionType::PAYMENT)
                ->whereIn('status', [ApprovalStatus::REFUNDED])
                ->sum('service_charge');

            $total_tax = $booking->transactions()
                ->where('type', TransactionType::PAYMENT)
                ->whereIn('status', [ApprovalStatus::REFUNDED])
                ->sum('tax');
        }
        else{
            $total_service_charge = $booking->transactions()
                ->where('type', TransactionType::PAYMENT)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->sum('service_charge');

            $total_tax = $booking->transactions()
                ->where('type', TransactionType::PAYMENT)
                ->whereIn('status', [ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->sum('tax');
        }

        $invoice_transaction = null;
        if($booking->status === ApprovalStatus::APPROVED){
            //NEW INVOICE for non-einvoice user applicable only when booking is completed
            $invoice_transaction = $booking->transactions()
                ->where('type', TransactionType::INVOICE)
                ->complete()
                ->latest()
                ->first();
        }

        if(!$invoice_transaction) {
            $transaction_object = new TransactionObject(
                $billNumber,
                TransactionType::INVOICE,
                $transaction->issuer,
                $transaction->receiver,
                $transaction->recipient_bank_account_id,
                $transaction->payment_method,
                $payable_amount,
                $booking_amount,
                $transaction->currency_id,
                $transaction->original_currency_id,
                $booking_currency_average_rate,
                $total_tax,
                $total_service_charge,
                null,
                ApprovalStatus::APPROVED
            );
            $invoice_transaction = $this->createsTransaction->execute($purchaseOrder->booking ?? $booking, $transaction_object);
        }

        //Update booking table, used on Export Sales Invoice Report
        $booking->invoice_status = ApprovalStatus::APPROVED;
        $booking->save();

        if ($kvpCopies) {
            foreach ($kvpCopies as $kvp) {
                $invoice_transaction->attributesKVP()->save($kvp);
            }
        }

        $voucherRedemption = $transaction->voucherRedemption;

        if($generateEInvoiceRefund){
            $metadata = $booking->attributesKVP()->where('key', KVPKey::AUTOCOUNT_DOCNO_INVOICE)->first();
            if($metadata){
               $generateEInvoice = true;
            }
            else{
                $metadata = $transaction->attributesKVP()->where('key', KVPKey::AUTOCOUNT_DOCNO_INVOICE)->first();
                if($metadata){
                    $generateEInvoice = true;
                }
            }
        }

        if($purchaseOrder){
            // purchase order
            if(!$generateEInvoiceRefund){
                $this->invoiceDocumentProcessor->execute($invoice_transaction, $purchaseOrder, $supplier, DocumentType::PURCHASE_ORDER, $voucherRedemption, $generateEInvoiceWithNormalInvoiceTemplate);
            }

            // deliver order
            if(!$generateEInvoiceRefund){
                $this->invoiceDocumentProcessor->execute($invoice_transaction, $purchaseOrder, $supplier, DocumentType::DELIVER_ORDER, $voucherRedemption, $generateEInvoiceWithNormalInvoiceTemplate);
            }

            // e-invoice
            if ($eInvoice)
            {
                if($generateEInvoice){
                    $this->invoiceDocumentProcessor->execute($invoice_transaction, $purchaseOrder, $supplier, DocumentType::EINVOICE, $voucherRedemption, $generateEInvoiceWithNormalInvoiceTemplate, $generateEInvoiceRefund);
                }
            }
            // invoice
            else
            {
                $this->invoiceDocumentProcessor->execute($invoice_transaction, $purchaseOrder, $supplier, DocumentType::INVOICE, $voucherRedemption, $generateEInvoiceWithNormalInvoiceTemplate, $generateEInvoiceRefund);
            }

            if(!$generateEInvoiceRefund){
                $billNumber = $this->generatesTransactionBillNumber->execute('SPDO-');

                $booking_currency_average_rate = $this->calculatesBookingCurrencyAverageRate->execute($booking, TransactionType::BILL, $generateEInvoiceRefund);

                $paymentTransaction = $booking->transactions()->payments()->where('status', ApprovalStatus::COMPLETED)->first();

                $transactionTypeBill= null;
                if($paymentTransaction){
                    $transactionTypeBill = $paymentTransaction->transactions()->where('type', TransactionType::BILL)->first();
                }
                else{ // Special handling for refund cases (When a refund is deleted via DeleteRefundTransactionLogic, a booking payment transaction is set to ApprovalStatus::APPROVED)
                    $paymentTransactionTemp = $booking->transactions()->payments()->where('status', ApprovalStatus::APPROVED)->first();
                    // Lets check if there is a refund case
                    $refund = $paymentTransactionTemp->transactions()->refunds()->where('status', ApprovalStatus::APPROVED)->first();
                    if($refund){
                        $transactionTypeBill = $paymentTransactionTemp->transactions()->where('type', TransactionType::BILL)->first();
                    }
                    else{
                        Log::info("CreateInvoiceTransactionV2Processor NO completed payment transaction nor refund transaction found for booking '$booking->id'.");
                    }
                }

                if($transactionTypeBill){
                    $transaction_object = new TransactionObject(
                        $billNumber,
                        TransactionType::SUPPLIER_DELIVER,
                        $transactionTypeBill->issuer,
                        $transactionTypeBill->receiver,
                        $transactionTypeBill->recipient_bank_account_id,
                        $transactionTypeBill->payment_method,
                        $payable_amount,
                        $booking_amount,
                        $transactionTypeBill->currency_id,
                        $transactionTypeBill->original_currency_id,
                        $booking_currency_average_rate,
                        $total_tax,
                        $total_service_charge,
                        null,
                        ApprovalStatus::APPROVED
                    );
                    $supplier_deliver_order_transaction = $this->createsTransaction->execute($purchaseOrder->booking, $transaction_object);

                    // supply deliver order
                    $this->invoiceDocumentProcessor->execute($supplier_deliver_order_transaction, $purchaseOrder, $supplier, DocumentType::SUPPLIER_DELIVER_ORDER, null);
                }
            }

            // update perfex crm
            // if(config('perfexcrm.is_enabled') == 'true'){
            //     CreatePerfexCRMInvoice::dispatch($invoice_transaction, $purchaseOrder, $supplier);
            // }
        }

        if($bookingOriginalStatus){
            $this->updatesBookingStatus->execute($booking, $bookingOriginalStatus);
        }
    }
}