<?php

namespace Modules\M3\Http\Controllers\API;

use Config;
use DB;
use Http;
use Log;
use Modules\M3\Helpers\Helper;

final class CloseShipmentStandardProcessor
{
    private const SOURCE = 'CloseShipmentCoChargeAPI';
    private const JSON_CONTENT_TYPE = 'application/json';
    private const NULL_M3_RESPONSE = 'M3 API responded with null value';

    public function __construct(
        private array $context,
        private readonly string $token,
        private readonly mixed $freightTerms,
    ) {
    }

    public function process($shipments)
    {
        $allErrors = '';
        $lastShipment = null;
        foreach ($shipments as $shipment) {
            $lastShipment = $this->shipmentContext($shipment);
            $allErrors .= $this->processShipment($lastShipment);
        }

        if ($lastShipment !== null) {
            $this->closeFalsePositiveErrors($lastShipment);
        }
        $this->markManifestProcessed();

        return $this->resultResponse($allErrors);
    }

    private function shipmentContext(object $shipment): array
    {
        return [
            'whs' => trim($shipment->AYWHS),
            'company' => trim($shipment->AYCO),
            'delivery' => trim($shipment->AYMACPKR),
            'release' => trim($shipment->AYRLNO),
            'manifest' => trim($shipment->AYAPRF1551),
        ];
    }

    private function processShipment(array $shipment): string
    {
        $endFlag = $this->shortPickEndFlag($shipment);
        $trailer = $this->trailerContext($shipment);
        $builder = new CloseShipmentPackageBuilder($this->context, $this->freightTerms);
        $state = $builder->build($shipment, $trailer);

        if ($state['packages'] === []) {
            return $state['errors'];
        }

        $json = $builder->closeShipmentJson($shipment, $trailer, $state, $endFlag);
        if ($state['errors'] !== '') {
            $this->logValidationErrors($shipment, $state['errors']);

            return $state['errors'];
        }

        return $this->sendCloseRequest($shipment, $json, $state['coCharge']);
    }

    private function shortPickEndFlag(array $shipment): int
    {
        $rows = DB::connection(config('m3.connection', 'pgsql'))->table('icm688m2')
            ->select('A5PART', 'A5PACKED', 'A5PICKED', 'A5PKLN', 'A5RSVQTY')->distinct()
            ->where('A5CO', $shipment['company'])->where('A5WHS', $shipment['whs'])
            ->where('A5MACPKR', $shipment['delivery'])->where('A5RLNO', $shipment['release'])
            ->orderBy('A5PART')->get();

        foreach ($rows as $row) {
            if ((int) ($row->A5RSVQTY ?? 0) - (int) ($row->A5PICKED ?? 0) > 0) {
                return 1;
            }
        }

        return 0;
    }

    private function trailerContext(array $shipment): array
    {
        $row = DB::connection(config('m3.connection', 'pgsql'))->table('icm705m1')
            ->select('APTRUCKID', 'APTRACKNO', 'APMANIFEST')
            ->where('APCO', $this->context['company'])->where('APMANIFEST', $shipment['manifest'])
            ->where('APWHS', $this->context['whs'])->first();

        return [
            'trailer' => isset($row->APTRUCKID) ? trim($row->APTRUCKID) : '',
            'pro' => isset($row->APTRACKNO) ? trim($row->APTRACKNO) : '',
        ];
    }

    private function sendCloseRequest(array $shipment, string $json, array $coCharge): string
    {
        Log::channel('dailyCron')->info('1 >>> JSON Sent for Manifest: ' . (string) (int) $shipment['manifest'] . ' ,Macpicker: ' . $shipment['delivery']);
        $this->log($shipment, 'M3-JSN-out', $json);
        $response = Http::withHeaders(['accept' => self::JSON_CONTENT_TYPE, 'Content-Type' => self::JSON_CONTENT_TYPE, 'Connection' => 'close'])
            ->withToken($this->token)->withBody($json, self::JSON_CONTENT_TYPE)
            ->timeout(Config::get('arrays.curlTimeOut'))->retry(3, 100)
            ->post(env('ENDPOINTURL') . 'APIFLOWS/Sentinel/TransferAPI?ionapiRespStyle=sync');
        Log::channel('dailyCron')->info('2 >>> Close API M3 Responded...');
        $result = $this->parseM3Response($response, $shipment, $coCharge !== []);

        if ($result['success']) {
            $this->log($shipment, 'M3-Res-out', 'Success...' . json_encode($result['responseResult']) . $result['session']);

            return '';
        }

        $this->markShipmentFailed($shipment);
        $this->log($shipment, 'M3-Res-out', 'Important-Error: ' . $result['errors'] . json_encode($result['message']) . $result['session'], 'X');

        return $result['errors'] . ' ';
    }

    private function parseM3Response($response, array $shipment, bool $hasCoCharge): array
    {
        $status = $response->getStatusCode();
        $session = $response->hasHeader('x-transaction-id') ? '-sessionID:' . $response->header('x-transaction-id') : '-sessionID';
        $contents = json_decode(Helper::sanityzeString($response->getBody()->getContents()));
        if ($contents === null || (string) $status !== '200') {
            return ['success' => false, 'message' => self::NULL_M3_RESPONSE, 'responseResult' => '', 'errors' => $status, 'session' => $session];
        }

        $message = $contents->result->CloseShipment;
        $apiResult = $message->PickingListClose->Result;
        $responseResult = $contents->result;
        $errors = Helper::checkM3Errors($responseResult);
        if ($apiResult !== 'Error') {
            $this->markShipmentSuccessful($shipment, $hasCoCharge);
        }

        return ['success' => $apiResult !== 'Error', 'message' => $message, 'responseResult' => $responseResult, 'errors' => $errors, 'session' => $session];
    }

    private function markShipmentSuccessful(array $shipment, bool $hasCoCharge): void
    {
        $values = $hasCoCharge ? ['A4RATEM3' => 'X', 'A4PICKSTS' => 'A'] : ['A4PICKSTS' => 'A'];
        DB::connection(config('m3.connection', 'pgsql'))->table('icm688m1')
            ->where('A4MACPKR', $shipment['delivery'])->where('A4CO', $shipment['company'])
            ->where('A4WHS', $shipment['whs'])->update($values);
    }

    private function markShipmentFailed(array $shipment): void
    {
        DB::connection(config('m3.connection', 'pgsql'))->table('icm688m1')
            ->where('A4MACPKR', $shipment['delivery'])->where('A4CO', $shipment['company'])
            ->where('A4WHS', $shipment['whs'])->update(['A4PICKSTS' => 'a']);
    }

    private function logValidationErrors(array $shipment, string $errors): void
    {
        $this->log($shipment, 'M3-Res-out', Helper::removeDuplicateSubstrings($errors), 'X');
    }

    private function closeFalsePositiveErrors(array $shipment): void
    {
        DB::connection(config('m3.connection', 'pgsql'))->table('icm699m')
            ->where('SHMACPKR', $shipment['delivery'])->where('SHCO', $this->context['company'])
            ->where('SHWHS', $this->context['whs'])->where('SHSOURCE', self::SOURCE)->where('SHERROR', 'X')
            ->where('SHTYPE', 'M3-General')->where('SHDATA', 'like', '%CommTCP_read%')
            ->update(['SHERROR' => 'Z', 'SHACKUSER' => $this->context['user'], 'SHACKDATE' => date('Y-m-d'),
                'SHACKTIME' => date('H:i:s'), 'SHACKNOTE' => 'Sentinel automatically closed the error (false positive CommTCP_read)']);
    }

    private function markManifestProcessed(): void
    {
        if ($this->context['transType'] !== 'M') {
            return;
        }
        DB::connection(config('m3.connection', 'pgsql'))->table('icm705m1')
            ->where('APMANIFEST', $this->context['manifest'])->where('APCO', $this->context['company'])
            ->where('APWHS', $this->context['whs'])->update(['APSPARE2' => 'X']);
    }

    private function resultResponse(string $errors)
    {
        if ($errors === '') {
            return response()->json(['code' => '200', 'status' => 'Success', 'message' => 'All Operations Successful']);
        }

        return response()->json([
            'code' => '206', 'status' => 'Success With Warnings',
            'message' => Helper::removeDuplicateSubstrings($errors) . '; Check Transaction Logs for Errors or Warnings.',
        ]);
    }

    private function log(array $shipment, string $type, string $message, string $error = ''): void
    {
        Helper::logToICM699M([
            'SHMACPKR' => $shipment['delivery'], 'SHDT' => date('Y-m-d'), 'SHTIME' => date('H:i:s'),
            'SHERROR' => $error, 'SHINTBOX' => '', 'SHTYPE' => $type, 'SHDATA' => $message,
            'SHUSER' => $this->context['user'], 'SHSOURCE' => self::SOURCE,
            'SHCO' => $this->context['company'], 'SHWHS' => $this->context['whs'],
        ]);
    }
}