diff --git a/.gitignore b/.gitignore
index 2ac1ea1..ca74668 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.gpc
 *.csv
-.venv
\ No newline at end of file
+.venv
+.idea
+__pycache__
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..5304800
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,23 @@
+# Use an official lightweight Python image.
+FROM python:3.9-slim
+
+# Set environment variables to disable bytecode generation and enable stdout/stderr logging.
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set the working directory.
+WORKDIR /app
+
+# Copy the requirements file and install dependencies.
+COPY requirements.txt .
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code.
+COPY . .
+
+# Expose the port the app runs on.
+EXPOSE 9775
+
+# Use gunicorn to serve the app.
+CMD ["gunicorn", "--bind", "0.0.0.0:9775", "app_main:app"]
diff --git a/allegro.py b/allegro.py
index 01397aa..16db6ef 100644
--- a/allegro.py
+++ b/allegro.py
@@ -5,6 +5,13 @@ from gpc import Data, Header, TransactionCode, CURRENCIES_GPC
 from utils import extract_order_number, extract_numbers, parse_date
 import mysql.connector
 import re
+import io
+import zipfile
+from collections import defaultdict
+
+allegro_orders = None
+orders_by_login = None
+
 
 def load_allegro_orders():
 
@@ -31,7 +38,18 @@ def load_allegro_orders():
     allegro_orders = cursor.fetchall()  # results is now a list of dictionaries
     cursor.close()
     conn.close()
-    return allegro_orders
+
+    # Group orders by allegro_login
+    orders_by_login = defaultdict(list)
+    for order in allegro_orders:
+        # Assuming 'allegro_login' is one of the keys in the order dictionary
+        orders_by_login[order['allegro_login']].append(order)
+
+    # Sort each group's orders by date_purchased (assuming the date format is 'YYYY-MM-DD HH:MM:SS')
+    for login, order_list in orders_by_login.items():
+        order_list.sort(key=lambda x: x['date_purchased'])
+
+    return allegro_orders, orders_by_login
 
 def search_allegro_order(allegro_id):
     global allegro_orders
@@ -40,7 +58,38 @@ def search_allegro_order(allegro_id):
             return order["orders_id"]
     return 0
 
-def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, mapping):
+def find_first_order_after(allegro_login, payment_date_str, amount):
+    """
+    Returns the first order for the given allegro_login with a date_purchased on or after payment_date_str.
+    payment_date_str should be in the format 'YYYY-MM-DD HH:MM:SS'.
+    """
+    global allegro_orders, orders_by_login
+    payment_date = payment_date_str
+    for order in orders_by_login.get(allegro_login, []):
+        if (order['date_purchased'] >= payment_date) and (abs(round(float(order['order_total']) * float(order['currency_value']), 2) * 100) == abs(amount)):
+            return order['orders_id']
+    return 0
+
+def create_allegro_zip(gpc_lines):
+    # Prepare file contents (join lines and encode as UTF-8)
+    payu_content = "".join(gpc_lines["payu"]).encode("utf-8")
+    przelewy_content = "".join(gpc_lines["przelewy24"]).encode("utf-8")
+    finance_content = "".join(gpc_lines["allegro finance"]).encode("utf-8")
+
+    # Create an in-memory ZIP file
+    mem_zip = io.BytesIO()
+    with zipfile.ZipFile(mem_zip, mode="w", compression=zipfile.ZIP_DEFLATED) as zf:
+        zf.writestr("allegro_payu.gpc", payu_content)
+        zf.writestr("allegro_przelewy.gpc", przelewy_content)
+        zf.writestr("allegro_finance.gpc", finance_content)
+    mem_zip.seek(0)  # Reset pointer to the beginning of the ZIP data
+    return mem_zip
+
+def convert_csv_to_gpc_allegro(csv_file_path, gpc_file_path, account_number, currency, mapping):
+
+    global allegro_orders, orders_by_login
+
+    allegro_orders, orders_by_login = load_allegro_orders()
 
     gpc_lines = {
         "payu": [],
@@ -129,7 +178,14 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
 
         for row in reader:
             source_name = row[mapping['source_name']]
-            reference = search_allegro_order(source_name.split(";")[0].strip()) if ";" in row[mapping['source_name']] else 0
+            value_str = row[mapping['source_amount']]
+            match = re.search(r'[-+]?\d*\.?\d+', value_str)
+            if match:
+                source_amount = float(match.group(0)) * 100
+            else:
+                source_amount = 0.0
+
+            reference = find_first_order_after(source_name.split(";")[0].strip(), parse_date(row[mapping['created_on']]), source_amount) if ";" in row[mapping['source_name']] else 0
             transaction_id = reference
             direction = row[mapping['direction']].lower() if mapping['direction'] is not None else None
             payer_account = extract_numbers(row[mapping['payer_account']].replace("Rachunek nadawcy: ", "").replace(" ", ""))[:16].ljust(16) if mapping['payer_number_exists'] else 0
@@ -137,12 +193,7 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
                 if payer_account.strip() == "":
                     payer_account = 0
 
-            value_str = row[mapping['source_amount']]
-            match = re.search(r'[-+]?\d*\.?\d+', value_str)
-            if match:
-                source_amount = float(match.group(0)) * 100
-            else:
-                source_amount = 0.0
+
 
             created_on = parse_date(row[mapping['created_on']])
 
@@ -179,18 +230,20 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
 
             gpc_lines[row[mapping['wallet_source']].lower()].append(gpc_data.to_string())
 
-    with open("allegro_payu.gpc", mode='w', encoding='utf-8') as gpc_file:
-        gpc_file.writelines(gpc_lines["payu"])
+    # with open("allegro_payu.gpc", mode='w', encoding='utf-8') as gpc_file:
+    #     gpc_file.writelines(gpc_lines["payu"])
+    #
+    # with open("allegro_przelewy.gpc", mode='w', encoding='utf-8') as gpc_file:
+    #     gpc_file.writelines(gpc_lines["przelewy24"])
+    #
+    # with open("allegro_finance.gpc", mode='w', encoding='utf-8') as gpc_file:
+    #     gpc_file.writelines(gpc_lines["allegro finance"])
+    #
+    # print(f"GPC file successfully created: allegro_payu.gpc")
+    # print(f"GPC file successfully created: allegro_przelewy.gpc")
+    # print(f"GPC file successfully created: allegro_finance.gpc")
 
-    with open("allegro_przelewy.gpc", mode='w', encoding='utf-8') as gpc_file:
-        gpc_file.writelines(gpc_lines["przelewy24"])
-
-    with open("allegro_finance.gpc", mode='w', encoding='utf-8') as gpc_file:
-        gpc_file.writelines(gpc_lines["allegro finance"])
-
-    print(f"GPC file successfully created: allegro_payu.gpc")
-    print(f"GPC file successfully created: allegro_przelewy.gpc")
-    print(f"GPC file successfully created: allegro_finance.gpc")
+    return create_allegro_zip(gpc_lines)
 
 # Example mappings
 
@@ -215,8 +268,7 @@ mapping_allegro = {
 }
 
 
-allegro_orders = load_allegro_orders()
 
 
 # Example usage:
-convert_csv_to_gpc("allegro_payments.csv", "allegro_payments.gpc", account_number=3214724742, currency="PLN", mapping=mapping_allegro)
+# convert_csv_to_gpc_allegro("allegro_payments.csv", "allegro_payments.gpc", account_number=3214724742, currency="PLN", mapping=mapping_allegro)
diff --git a/app_main.py b/app_main.py
new file mode 100644
index 0000000..90980d1
--- /dev/null
+++ b/app_main.py
@@ -0,0 +1,97 @@
+from flask import Flask, request, send_file, render_template, redirect
+import io
+import os
+from csv2gpc import convert_csv_to_gpc, mapping_sparkasse, mapping_pko, mapping_wise
+from allegro import convert_csv_to_gpc_allegro, mapping_allegro
+import tempfile
+import datetime
+
+app = Flask(__name__)
+
+
+def convert_avizo_na_jednu_platbu(data):
+    # Replace with your real conversion code
+    return data
+
+
+def convert_avizo_full_auto(data):
+    # Replace with your real conversion code
+    return data
+
+
+def convert_allegro(data):
+    # Replace with your real conversion code
+    return data
+
+
+def create_download_response(file_data: bytes, filename: str, mimetype: str = "text/plain"):
+    """Wrap the file data in a BytesIO stream and return it as a downloadable response."""
+    return send_file(
+        io.BytesIO(file_data),
+        download_name=filename,
+        as_attachment=True,
+        mimetype=mimetype
+    )
+
+
+
+@app.route("/", methods=["GET", "POST"])
+def index():
+    if request.method == "POST":
+        if "file" not in request.files or request.files["file"].filename == "":
+            return redirect(request.url)
+
+        file = request.files["file"]
+        option = request.form.get("option")
+
+        suffix = os.path.splitext(file.filename)[1]
+        with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as tmp_input:
+            file.save(tmp_input.name)
+            tmp_file_path = tmp_input.name
+
+        day_of_year = int(datetime.date.today().strftime("%j"))
+        out_filename = f"{option}_vypis_{day_of_year}.gpc"
+        mimetype = "text/plain"
+        # Choose the conversion function based on the selected option
+        if option == "sparkasse":
+            result_data = convert_csv_to_gpc(tmp_file_path, f"{option}_vypis_{day_of_year}.gpc",
+                                             account_number=95850503000221267034,
+                                             currency="EUR", mapping=mapping_sparkasse)
+        elif option == "wise_huf":
+            result_data = convert_csv_to_gpc(tmp_file_path, f"{option}_vypis_{day_of_year}.gpc",
+                                             account_number=330005602964780100,
+                                             currency="HUF", mapping=mapping_wise)
+        elif option == "wise_ron":
+            result_data = convert_csv_to_gpc(tmp_file_path, f"{option}_vypis_{day_of_year}.gpc",
+                                             account_number=5602964780100,
+                                             currency="RON", mapping=mapping_wise)
+        elif option == "pko":
+            result_data = convert_csv_to_gpc(tmp_file_path, f"{option}_vypis_{day_of_year}.gpc",
+                                             account_number=95102013900000630206821286,
+                                             currency="PLN", mapping=mapping_pko)
+
+        elif option == "allegro":
+            result_data = convert_csv_to_gpc_allegro(tmp_file_path, f"{option}_vypis_{day_of_year}.gpc",
+                                             account_number=3214724742,
+                                             currency="PLN", mapping=mapping_allegro)
+            return send_file(
+                result_data,
+                download_name="allegro_files.zip",
+                as_attachment=True,
+                mimetype="application/zip"
+            )
+
+
+
+        if isinstance(result_data, str):
+            result_bytes = result_data.encode("utf-8")
+        else:
+            result_bytes = result_data
+
+        return create_download_response(result_bytes, out_filename, mimetype)
+
+    return render_template("index.html")
+
+
+if __name__ == '__main__':
+    app.run(debug=True)
diff --git a/wise.py b/csv2gpc.py
similarity index 92%
rename from wise.py
rename to csv2gpc.py
index 55a8576..944024e 100644
--- a/wise.py
+++ b/csv2gpc.py
@@ -90,10 +90,12 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
 
             gpc_lines.append(gpc_data.to_string())
 
-    with open(gpc_file_path, mode='w', encoding='utf-8') as gpc_file:
-        gpc_file.writelines(gpc_lines)
+    # with open(gpc_file_path, mode='w', encoding='utf-8') as gpc_file:
+    #     gpc_file.writelines(gpc_lines)
 
-    print(f"GPC file successfully created: {gpc_file_path}")
+    file_content = "".join(gpc_lines)
+    print(f"GPC file content successfully created for: {gpc_file_path}")
+    return file_content.encode("utf-8")
 
 # Example mappings
 mapping_wise = {
@@ -148,6 +150,6 @@ mapping_sparkasse = {
 }
 
 # Example usage:
-convert_csv_to_gpc("leden-2025-huf.csv", "wise-huf-2025.gpc", account_number=330005602964780100, currency="HUF", mapping=mapping_wise)
+# convert_csv_to_gpc("leden-2025-huf.csv", "wise-huf-2025.gpc", account_number=330005602964780100, currency="HUF", mapping=mapping_wise)
 # convert_csv_to_gpc("pko_input.csv", "pko_output.gpc", account_number=95102013900000630206821286, currency="PLN", mapping=mapping_pko)
 # convert_csv_to_gpc("sparkasse_input.csv", "sparkasse_output.gpc", account_number=95850503000221267034, currency="EUR", mapping=mapping_sparkasse)
diff --git a/paynl_aviza.py b/paynl_aviza.py
index 9a078ef..592f942 100644
--- a/paynl_aviza.py
+++ b/paynl_aviza.py
@@ -4,7 +4,7 @@ import chardet
 from datetime import datetime
 from gpc import Data, Header, TransactionCode, CURRENCIES_GPC
 from utils import extract_order_number, extract_numbers, parse_date
-
+from decimal import Decimal, ROUND_HALF_UP
 
 def load_bank_transactions(csv_file):
     """
@@ -72,12 +72,21 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
             if payer_account != 0:
                 if payer_account.strip() == "":
                     payer_account = 0
-            source_amount = float(row[mapping['source_amount']].replace(',', '.')) * 100  # Convert to cents
             created_on = parse_date(row[mapping['created_on']])
 
+            # Convert the value using Decimal instead of float
+            source_str = row[mapping['source_amount']].replace(',', '.')
+            source_amount = Decimal(source_str)
+
+            # Quantize to 2 decimal places (rounding if necessary)
+            source_amount = source_amount.quantize(Decimal('0.01'), rounding=ROUND_HALF_UP)
+
+            # Multiply by 100 to get cents (if that's what you need) and convert to integer
+            source_amount_cents = int(source_amount * 100)
+
             # Determine transaction type
             if(direction is None):
-                if source_amount > 0:
+                if source_amount_cents > 0:
                     transaction_code = TransactionCode.CREDIT
                 else:
                     transaction_code = TransactionCode.DEBET
@@ -88,14 +97,14 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
                     transaction_code = TransactionCode.CREDIT
 
             # Convert currency
-            currency_code = CURRENCIES_GPC.get("CZK", "0000")
+            currency_code = "100" + str(transaction_code.value)
 
             # Create GPC Data object
             gpc_data = Data(
                 account=account_number,
                 payer_account=payer_account,
                 no=transaction_id,
-                balance=source_amount,
+                balance=source_amount_cents,
                 code=transaction_code,
                 variable=int(reference) if reference.isdigit() else 0,
                 constant_symbol=0,
@@ -107,7 +116,8 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
             )
 
             gpc_lines.append(gpc_data.to_string())
-            total_payout += source_amount
+            total_payout += source_amount_cents
+            # break
 
     # add fees
     # fees_data = Data(
@@ -132,7 +142,7 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
     # vyuctovani row
     payout_data = Data(
         account=account_number,
-        payer_account=0,
+        payer_account=2801379531,
         no=0,
         balance=total_payout,
         code=TransactionCode.DEBET,
@@ -141,8 +151,8 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
         constant_symbol=0,
         bank_code=0,
         specific_symbol=0,
-        client_name="",
-        currency=CURRENCIES_GPC.get("CZK", "0000"),
+        client_name="CG vyuctovani",
+        currency="1001",
         date=parse_date(corresponding_transaction['Datum'])
     )
 
@@ -158,9 +168,9 @@ def convert_csv_to_gpc(csv_file_path, gpc_file_path, account_number, currency, m
         new_balance=0,
         new_sign='+',
         turnover_debet=total_payout,
-        turnover_debet_sign='0',
+        turnover_debet_sign='+',
         turnover_credit=total_payout,
-        turnover_credit_sign='0',
+        turnover_credit_sign='+',
         transaction_list_no=3,
         date=datetime.now()
     )
@@ -194,6 +204,6 @@ mapping_paynl = {
 
 transactions_df = load_bank_transactions("bank_statement.csv")
 # Example usage:
-convert_csv_to_gpc("Specification clearing 2024-05-10.csv", "avizo_paynl_test.gpc", account_number=2801379531, currency="EUR", mapping=mapping_paynl)
+convert_csv_to_gpc("Specification clearing 2024-05-10.csv", "avizo_paynl_test.gpc", account_number=3498710000999117, currency="EUR", mapping=mapping_paynl)
 # convert_csv_to_gpc("pko_input.csv", "pko_output.gpc", account_number=95102013900000630206821286, currency="PLN", mapping=mapping_pko)
 # convert_csv_to_gpc("sparkasse_input.csv", "sparkasse_output.gpc", account_number=95850503000221267034, currency="EUR", mapping=mapping_sparkasse)
diff --git a/requirements.txt b/requirements.txt
index cf9dafd..8cbb279 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 chardet~=5.2.0
 mysql-connector-python~=9.2.0
-pandas~=2.2.3
\ No newline at end of file
+pandas~=2.2.3
+flask
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..6105db4
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,129 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>File Converter</title>
+    <!-- Tailwind CSS CDN -->
+    <script src="https://cdn.tailwindcss.com"></script>
+    <!-- jQuery CDN -->
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+  </head>
+  <body class="bg-gray-100">
+    <div class="container mx-auto p-6">
+      <h1 class="text-3xl font-bold mb-6 text-center">File Converter</h1>
+
+      <!-- Vypisy Section -->
+      <h2 class="text-2xl font-bold mb-4">Vypisy</h2>
+      <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
+        <div class="tile bg-white shadow-md rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+             data-option="sparkasse" data-section="vypisy">
+          <h2 class="text-xl font-semibold mb-2">Sparkasse</h2>
+          <p class="text-gray-600 text-sm italic">DE 9585 0503 0002 2126 7034</p>
+          <p class="text-gray-600 text-sm">.gpc vypis v EUR</p>
+        </div>
+        <div class="tile bg-white shadow-md rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+             data-option="pko" data-section="vypisy">
+          <h2 class="text-xl font-semibold mb-2">PKO .gpc</h2>
+          <p class="text-gray-600 text-sm italic">PL 95102013900000630206821286</p>
+          <p class="text-gray-600 text-sm">.gpc vypis v PLN</p>
+        </div>
+        <div class="tile bg-white shadow-md rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+             data-option="allegro" data-section="vypisy">
+          <h2 class="text-xl font-semibold mb-2">Allegro</h2>
+          <p class="text-gray-600 text-sm">.gpc vypis ALPZ, ALPU, ALAP</p>
+        </div>
+        <div class="tile bg-white shadow-md rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+             data-option="wise_huf" data-section="vypisy">
+          <h2 class="text-xl font-semibold mb-2">Wise HUF .gpc</h2>
+          <p class="text-gray-600 text-sm italic">330005602964780100</p>
+          <p class="text-gray-600 text-sm">.gpc vypis v HUF</p>
+        </div>
+        <div class="tile bg-white shadow-md rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+             data-option="wise_ron" data-section="vypisy">
+          <h2 class="text-xl font-semibold mb-2">Wise RON .gpc</h2>
+          <p class="text-gray-600 text-sm italic">RO33 BREL 0005 6029 6478 0100</p>
+          <p class="text-gray-600 text-sm">.gpc vypis v RON</p>
+        </div>
+      </div>
+
+      <!-- Aviza Section -->
+      <h2 class="text-2xl font-bold mt-8 mb-4">Aviza</h2>
+      <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
+        <!-- Add your Aviza tiles here if needed -->
+      </div>
+    </div>
+
+    <!-- Modal for file upload -->
+    <div id="modal" class="fixed inset-0 hidden z-50 flex items-center justify-center bg-black bg-opacity-50">
+      <div class="bg-white rounded-lg w-11/12 max-w-md p-6 relative">
+        <button id="closeModal" class="absolute top-2 right-2 text-gray-500 hover:text-gray-700">
+          &times;
+        </button>
+        <h2 class="text-2xl font-bold mb-4">Nahrát soubor</h2>
+        <form id="convertForm" method="post" enctype="multipart/form-data">
+          <!-- Hidden field to store the chosen conversion option -->
+          <input type="hidden" name="option" id="option">
+
+          <div class="mb-4">
+            <label class="block text-gray-700 mb-1">Soubor importu</label>
+            <input type="file" name="file" class="border p-2 w-full" required>
+          </div>
+
+          <!-- Extra file input for Aviza section (bank statement) -->
+          <div id="bankStatementDiv" class="mb-4 hidden">
+            <label class="block text-gray-700 mb-1">Nahrát výpis z účtu</label>
+            <input type="file" name="bank_statement" class="border p-2 w-full">
+            <p class="text-gray-500 text-sm">
+              Výpis účtu by měl být za stejné nebo delší období, jako je soubor importu, slouží k párování plateb.
+            </p>
+          </div>
+
+          <button type="submit" class="w-full bg-blue-500 hover:bg-blue-600 text-white font-bold py-2 px-4 rounded">
+            Submit
+          </button>
+        </form>
+      </div>
+    </div>
+
+    <!-- Small Loading Box -->
+    <div id="loadingBox" class="hidden fixed bottom-4 right-4 bg-white shadow-lg rounded p-4 flex items-center space-x-2 border border-gray-300">
+      <span class="text-blue-500 text-2xl">&#8595;</span>
+      <span class="text-gray-800">Soubor se generuje…</span>
+    </div>
+
+    <script>
+      $(document).ready(function(){
+        // When a tile is clicked, set the option value and open the modal.
+        // If the tile belongs to the "aviza" section, show the bank statement input.
+        $('.tile').click(function(){
+          const option = $(this).data('option');
+          const section = $(this).data('section');
+          $('#option').val(option);
+          if (section === 'aviza') {
+            $('#bankStatementDiv').removeClass('hidden');
+          } else {
+            $('#bankStatementDiv').addClass('hidden');
+          }
+          $('#modal').removeClass('hidden');
+        });
+
+        // Close modal when clicking on the close button.
+        $('#closeModal').click(function(){
+          $('#modal').addClass('hidden');
+        });
+
+        // On form submission: hide the modal and show the small loading box.
+        $('#convertForm').on('submit', function(e) {
+          $('#modal').addClass('hidden');       // Hide modal before submitting
+          $('#loadingBox').removeClass('hidden'); // Show the small loading box
+        });
+
+        // When the window regains focus, hide the loading box.
+        // This signals that the download dialog has been handled.
+        $(window).on('focus', function() {
+          $('#loadingBox').addClass('hidden');
+        });
+      });
+    </script>
+  </body>
+</html>
\ No newline at end of file