<?php

namespace App\Http\Controllers\Api\v1;

use App\Http\Controllers\Controller;
use App\Http\Resources\StatusResource;
use App\Mail\CourrierArcadiaError;
use App\Models\Customer;
use DOMDocument;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Validator;

class ArcadiaController extends Controller
{
    public function outgoingMail(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'crm_id' => 'required',
            'fields' => 'required|json',
            'type' => 'required',
        ]);

        if ($validator->fails())
            return new StatusResource(['status' => 'KO', 'code' => 201, 'message' => 'Error on required fields.', 'errors' => $validator->errors()]);

        $brandId = $request->brand_id;
        $crmId = $request->crm_id;
        $fields = json_decode($request->fields);
        $type = $request->type;

        $customer = Customer::where('id', $crmId)->first();
        if (!$customer)
            return new StatusResource(['status' => 'KO', 'code' => 202, 'message' => 'User not found.']);

        $customerInfos = $customer->infos()->where('brand_id', $brandId)->first();

        if (!$customerInfos)
            return new StatusResource(['status' => 'KO', 'code' => 202, 'message' => 'User not found.']);

        $check = $this->checkRequiredFields($fields, $type);
        if ($check['status'] !== 'OK')
            return new StatusResource($check);

        $xml = $this->makeXML($fields, $type, $customer, $customerInfos);

        try {
            Storage::disk('arcadia')->put(date ("Ymd_His") . microtime(true) . ".xml", $xml);
            return new StatusResource(['status' => 'OK']);
        }catch (\Exception $e){
            Log::critical("ARCADIA XML CREATION FAILED : " . $e->getMessage());
            Mail::to(config('mail.MAIL_ADMIN'))->send(new CourrierArcadiaError("ARCADIA XML CREATION FAILED", "Une erreur est survenue lors de la création du fichier XML : " . $e->getMessage(), $xml));
            return new StatusResource(['status' => 'KO', 'code' => 204, 'message' => 'Arcadia XML Creation failed.']);
        }

    }

    private function checkRequiredFields($fields, $type)
    {
        $errors = [];

        $key = array_search('operation', array_column($fields->root, 'fieldName'));
        if ($key === false)
            $errors[] = ['field' => 'operation', 'error' => 'required'];

        $key = array_search('support_code', array_column($fields->orderLine, 'fieldName'));
        if ($key === false)
            $errors[] = ['field' => 'support_code', 'error' => 'required'];

        $key = array_search('label_type_support', array_column($fields->orderLine, 'fieldName'));
        if ($key === false)
            $errors[] = ['field' => 'label_type_support', 'error' => 'required'];

        $key = array_search('order_date', array_column($fields->root, 'fieldName'));
        if ($key === false)
            $errors[] = ['field' => 'order_date', 'error' => 'required'];

        if (!preg_match("/^(((0[1-9]|[12]\d|3[01])\/(0[13578]|1[02])\/((19|[2-9]\d)\d{2}))|((0[1-9]|[12]\d|30)\/(0[13456789]|1[012])\/((19|[2-9]\d)\d{2}))|((0[1-9]|1\d|2[0-8])\/02\/((19|[2-9]\d)\d{2}))|(29\/02\/((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))))$/", $fields->root[$key]->fieldValue)) {
            $errors[] = ['field' => 'order_date', 'error' => 'format must be DD/MM/YYYY'];
        }

        if ($type === 'default'){

            $key = array_search('order_num', array_column($fields->root, 'fieldName'));
            if ($key === false)
                $errors[] = ['field' => 'order_num', 'error' => 'required for default type'];

            if (!is_numeric($fields->root[$key]->fieldValue) || strlen($fields->root[$key]->fieldValue) !== 9)
                $errors[] = ['field' => 'order_num', 'error' => 'format must be 9 numeric characters'];

            $key = array_search('state_order_cb', array_column($fields->root, 'fieldName'));
            if ($key === false)
                $errors[] = ['field' => 'state_order_cb', 'error' => 'required for default type'];

            if ($fields->root[$key]->fieldValue !== 1 && $fields->root[$key]->fieldValue !== 'Null')
                $errors[] = ['field' => 'state_order_cb', 'error' => 'value must be 1 or Null (Yes Null not NULL)'];

            $orderCB = $fields->root[$key]->fieldValue;

            $key = array_search('state_order_check', array_column($fields->root, 'fieldName'));
            if ($key === false)
                $errors[] = ['field' => 'state_order_check', 'error' => 'required for default type'];

            if ($fields->root[$key]->fieldValue !== 1 && $fields->root[$key]->fieldValue !== 'Null')
                $errors[] = ['field' => 'state_order_check', 'error' => 'value must be 1 or Null (Yes Null not NULL)'];

            $orderCheck = $fields->root[$key]->fieldValue;

            if ($orderCB === $orderCheck)
                $errors[] = ['field' => 'state_order', 'error' => 'state_order_cb and state_order_check values must be different'];

            $key = array_search('package_unit_weight', array_column($fields->orderLine, 'fieldName'));
            if ($key === false)
                $errors[] = ['field' => 'package_unit_weight', 'error' => 'required for default type'];

        }elseif ($type === 'game'){

            $key = array_search('code_unique', array_column($fields->orderLine, 'fieldName'));
            if ($key === false)
                $errors[] = ['field' => 'code_unique', 'error' => 'required for game type'];

        }

        if (!empty($errors))
            return ['status' => 'KO', 'code' => 203, 'message' => $errors];

        return ['status' => 'OK'];
    }

    private function makeXML($fields, $type, $customer, $customerInfos)
    {
        $pivot = [
            'order_num' => 'Num_Commande', // required if type = default - format 9 numeric characters
            'order_date' => 'Date_Commande', // required - format : DD/MM/YYYY
            'operation' => 'Operation', // required
            'support_code' => 'Code_Support', // required
            'label_type_support' => 'Libelle_Type_Support', // required
            'package_unit_weight' => 'Poids_Unitaire_Colis', // required if type = default
            'qty' => 'Quantite',
            'code_on_pack' => 'Code_on_Pack',
            'code_unique' => 'Code_Unique', // required if type = game
            'state_order_cb' => 'Etat_Commande_CB', // required if type = default - format 1 ou Null (oui Null et pas NULL)
            'state_order_check' => 'Etat_Commande_Cheque', // required if type = default - format 1 ou Null (oui Null et pas NULL)

        ];

        $dom = new DOMDocument('1.0','UTF-8');
        $dom->formatOutput = true;

        $root = $dom->createElement('export_arcadia');
        $dom->appendChild($root);
        $order = $root->appendChild($dom->createElement('Commande'));

        $key = array_search('order_num', array_column($fields->root, 'fieldName'));
        if ($key === false)
            $order->appendChild($dom->createElement('Num_Commande'));
        else
            $order->appendChild($dom->createElement('Num_Commande', $fields->root[$key]->fieldValue));

        foreach ($fields->root as $value){
            if (isset($pivot[$value->fieldName]) && $value->fieldName !== 'state_order_cb' && $value->fieldName !== 'state_order_check' && $value->fieldName !== 'order_num')
                $order->appendChild($dom->createElement($pivot[$value->fieldName], $value->fieldValue));
        }

        if ($type === 'default') {
            $key = array_search('state_order_cb', array_column($fields->root, 'fieldName'));
            if ($key)
                $order->appendChild($dom->createElement('Etat_Commande_CB', $fields->root[$key]->fieldValue));

            $key = array_search('state_order_check', array_column($fields->root, 'fieldName'));
            if ($key)
                $order->appendChild($dom->createElement('Etat_Commande_Cheque', $fields->root[$key]->fieldValue));
        }

        $order->appendChild($dom->createElement('Email_conso'))->appendChild($dom->createCDATASection( "$customer->email"));
        $order->appendChild($dom->createElement('Civilite'));
        $order->appendChild($dom->createElement('Nom'))->appendChild($dom->createCDATASection( "$customerInfos->lastname"));
        $order->appendChild($dom->createElement('Prenom'))->appendChild($dom->createCDATASection( "$customerInfos->firstname"));
        $order->appendChild($dom->createElement('Adresse'))->appendChild($dom->createCDATASection( "$customerInfos->address"));
        $order->appendChild($dom->createElement('Adresse_Complementaire'))->appendChild($dom->createCDATASection( "$customerInfos->address2"));
        $order->appendChild($dom->createElement('CP'))->appendChild($dom->createCDATASection( "$customerInfos->postcode"));
        $order->appendChild($dom->createElement('Ville'))->appendChild($dom->createCDATASection( "$customerInfos->city"));
        $order->appendChild($dom->createElement('Telephone'))->appendChild($dom->createCDATASection( "$customerInfos->phone"));

        $orderLine = $order->appendChild($dom->createElement('Ligne_de_Commande'));

        $key = array_search('qty', array_column($fields->orderLine, 'fieldName'));
        if ($key === false)
            $orderLine->appendChild($dom->createElement('Quantite', '1'));

        $key = array_search('package_unit_weight', array_column($fields->orderLine, 'fieldName'));
        if ($key === false)
            $orderLine->appendChild($dom->createElement('Poids_Unitaire_Colis'));

        foreach ($fields->orderLine as $value){
            if (isset($pivot[$value->fieldName]) && $value->fieldName !== 'code_on_pack' && $value->fieldName !== 'code_unique')
                $orderLine->appendChild($dom->createElement($pivot[$value->fieldName], $value->fieldValue));
        }

        if ($type === 'game') {
            $key = array_search('code_on_pack', array_column($fields->orderLine, 'fieldName'));
            if ($key)
                $orderLine->appendChild($dom->createElement('Code_on_Pack'))->appendChild($dom->createCDATASection($fields->orderLine[$key]->fieldValue));

            $key = array_search('code_unique', array_column($fields->orderLine, 'fieldName'));
            if ($key)
                $orderLine->appendChild($dom->createElement('Code_Unique'))->appendChild($dom->createCDATASection($fields->orderLine[$key]->fieldValue));
        }

        return $dom->saveXML();
    }
}