<?php

namespace Modules\Webstatement\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Modules\Webstatement\Models\StmtEntry;
use Modules\Webstatement\Models\TempFundsTransfer;
use Modules\Webstatement\Models\TempStmtNarrFormat;
use Modules\Webstatement\Models\TempStmtNarrParam;

class WebstatementController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {

        $account_number = '1080425781';
        $period = '20250512';

        $stmt = StmtEntry::with(['ft','transaction'])->where('account_number',$account_number)->where('booking_date',$period)->get();
        $saldo = '23984352604';
        $runningBalance = (float) $saldo;

        // Map the data to transform or format specific fields
        $mappedData = $stmt->sortBy(['ACTUAL.DATE', 'REFERENCE.NUMBER'])->map(function ($item, $index) use (&$runningBalance) {
            $runningBalance += (float) $item->amount_lcy;
            return [
                'NO' => 0,  // Use $index instead of $item->count()
                'TRANSACTION.DATE'   => \Carbon\Carbon::createFromFormat('YmdHi', $item->booking_date . substr($item->ft?->date_time ?? '0000000000', 6, 4))->format('d/m/Y H:i'),
                'REFERENCE.NUMBER'   => $item->trans_reference,
                'TRANSACTION.AMOUNT' => $item->amount_lcy,
                'TRANSACTION.TYPE'   => $item->amount_lcy < 0 ? 'D' : 'C',
                'DESCRIPTION'        => $this->generateNarative($item),
                'END.BALANCE'        => $runningBalance,
                'ACTUAL.DATE'        => \Carbon\Carbon::createFromFormat('ymdHi', $item->ft?->date_time ?? '2505120000')
                                                      ->format('d/m/Y H:i'),
            ];
        })->values();


        // Then apply the sequential numbers
        $mappedData = $mappedData->map(function ($item, $index) {
            $item['NO'] = $index + 1;
            return $item;
        });


        return response()->json($mappedData);

        $csvFileName = $account_number."_".$period.".csv";
        $headers     = [
            "Content-Type"        => "text/csv",
            "Content-Disposition" => "attachment; filename={$csvFileName}"
        ];

        $callback = function () use ($mappedData) {
            $file = fopen('php://output', 'w');
            // Write headers without quotes, using pipe separator
            fputs($file, implode('|', array_keys($mappedData[0])) . "\n");
            // Write data rows without quotes, using pipe separator
            foreach ($mappedData as $row) {
                fputs($file, implode('|', $row) . "\n");
            }
            fclose($file);
        };


        return response()->stream($callback, 200, $headers);
    }


    function generateNarative($item){
        $narr = '';
        if($item->transaction->narr_type){
            $narr .= $item->transaction->stmt_narr.' ';
            $narr .= $this->getFormatNarrative($item->transaction->narr_type,$item);
        } else {
            $narr .= $item->transaction->stmt_narr.' ';
        }

        if($item->ft?->recipt_no) {
            $narr .= 'Receipt No: ' . $item->ft->recipt_no;
        }
        return $narr;
    }


    function getFormatNarrative($narr,$item){
        $narrParam = TempStmtNarrParam::where('_id', $narr)->first();

        if (!$narrParam) {
            return '';
        }

        $fmt = '';
        if($narrParam->_id=='FTIN'){
            $fmt = 'FT.IN';
        }elseif($narrParam->_id=='FTOUT'){
            $fmt = 'FT.IN';
        } else {
            $fmt = $narrParam->_id;
        }

        $narrFormat = TempStmtNarrFormat::where('_id', $fmt)->first();

        if (!$narrFormat) {
            return '';
        }

        // Get the format string from the database
        $formatString = $narrFormat->text_data ?? '';

        // Parse the format string
        // Split by the separator ']'
        $parts = explode(']', $formatString);

        $result = '';

        foreach ($parts as $index => $part) {
            if (empty($part)) {
                continue;
            }

            if ($index === 0) {
                // For the first part, take only what's before the '!'
                $splitPart = explode('!', $part);
                if (count($splitPart) > 0) {
                    // Remove quotes, backslashes, and other escape characters
                    $cleanPart = trim($splitPart[0]);
                    // Remove quotes at the beginning and end
                    $cleanPart = preg_replace('/^["\'\\\\]+|["\'\\\\]+$/', '', $cleanPart);
                    // Remove any remaining backslashes
                    $cleanPart = str_replace('\\', '', $cleanPart);
                    // Remove any remaining quotes
                    $cleanPart = str_replace('"', '', $cleanPart);
                    $result .= $cleanPart;
                }
            } else {
                // For other parts, these are field placeholders
                $fieldName = strtolower(str_replace('.', '_', $part));

                // Get the corresponding parameter value from narrParam
                $paramValue = null;

                // Check if the field exists as a property in narrParam
                if (property_exists($narrParam, $fieldName)) {
                    $paramValue = $narrParam->$fieldName;
                } elseif (isset($narrParam->$fieldName)) {
                    $paramValue = $narrParam->$fieldName;
                }

                // If we found a value, add it to the result
                if ($paramValue !== null) {
                    $result .= $paramValue;
                } else {

                    // If no value found, try to use the original field name as a fallback
                    if($fieldName!='recipt_no') {
                        $result .= $this->getTransaction($item->trans_reference, $fieldName).' ';
                    //    $result .= "[$fieldName]";
                    }
                }
            }
        }

        return $result;
    }


    public function getTransaction($ref, $field){
        $trans = TempFundsTransfer::where('ref_no', $ref)->first();

        return $trans->$field ?? "";
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        return view('webstatement::create');
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Show the specified resource.
     */
    public function show($id)
    {
        return view('webstatement::show');
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit($id)
    {
        return view('webstatement::edit');
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy($id)
    {
        //
    }
}