From 2855642dd16cea260f3b32351f0529328a0bcb15 Mon Sep 17 00:00:00 2001
From: Aldrik Ramaekers <aldrikboy@gmail.com>
Date: Sat, 4 Oct 2025 15:54:30 +0200
Subject: namespacing locale, config, file_templates

---
 include/config.hpp         |  21 +-
 include/file_templates.hpp | 516 +++++++++++++++++++++++----------------------
 include/import_service.hpp |  57 -----
 include/importer.hpp       |  57 +++++
 include/locales.hpp        |  31 +--
 5 files changed, 349 insertions(+), 333 deletions(-)
 delete mode 100644 include/import_service.hpp
 create mode 100644 include/importer.hpp

(limited to 'include')

diff --git a/include/config.hpp b/include/config.hpp
index 9598841..df99ab2 100644
--- a/include/config.hpp
+++ b/include/config.hpp
@@ -16,10 +16,8 @@
 
 #pragma once
 
-// major.minor.patch
-#define PROGRAM_VERSION "0.1.0"
-
 #include "stdint.h"
+#include "imgui.h"
 
 #define s8 int8_t
 #define s16 int16_t
@@ -31,7 +29,18 @@
 #define u32 uint32_t
 #define u64 uint64_t
 
-extern const char* country_codes[];
-extern s32 country_count;
+namespace config {
+    static const char* PROGRAM_VERSION = "0.1.0"; // major.minor.patch
+    
+    static const char* country_codes[] = {
+        "AT", "BE", "BG", "HR", "CY", "CZ", "DK", "EE", "FI", "FR",
+        "DE", "GR", "HU", "IE", "IT", "LV", "LT", "LU", "MT", "NL",
+        "PL", "PT", "RO", "SK", "SI", "ES", "SE"
+    };
+
+    static s32 country_count = sizeof(country_codes) / sizeof(country_codes[0]);
 
-#define COLOR_ERROR_OUTLINE IM_COL32(255, 0, 0, 80)
\ No newline at end of file
+    namespace colors {
+        static const ImU32 COLOR_ERROR_OUTLINE = IM_COL32(255, 0, 0, 80);
+    }
+}
\ No newline at end of file
diff --git a/include/file_templates.hpp b/include/file_templates.hpp
index c1420f9..506df67 100644
--- a/include/file_templates.hpp
+++ b/include/file_templates.hpp
@@ -14,274 +14,278 @@
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
-const char* project_save_template =
-"<Project>\n"
-"   <Id>{{PROJECT_ID}}</Id>\n"
-"   <Description>{{PROJECT_DESCRIPTION}}</Description>\n"
-"   <State>{{PROJECT_STATE}}</State>\n"
-"   <StartDate>{{PROJECT_STARTDATE}}</StartDate>\n"
-"   <EndDate>{{PROJECT_ENDDATE}}</EndDate>\n"
-"</Project>";
+namespace file_template {
 
-const char* costcenter_save_template =
-"<CostCenter>\n"
-"   <Id>{{COSTCENTER_ID}}</Id>\n"
-"   <Code>{{COSTCENTER_CODE}}</Code>\n"
-"   <Description>{{COSTCENTER_DESCRIPTION}}</Description>\n"
-"</CostCenter>";
+    static const char* project_save_template =
+    "<Project>\n"
+    "   <Id>{{PROJECT_ID}}</Id>\n"
+    "   <Description>{{PROJECT_DESCRIPTION}}</Description>\n"
+    "   <State>{{PROJECT_STATE}}</State>\n"
+    "   <StartDate>{{PROJECT_STARTDATE}}</StartDate>\n"
+    "   <EndDate>{{PROJECT_ENDDATE}}</EndDate>\n"
+    "</Project>";
 
-const char* taxrate_save_template =
-"<CountryTaxBracket>\n"
-"   <Id>{{TAXBRACKET_ID}}</Id>\n"
-"   <CountryCode>{{TAXBRACKET_COUNTRY}}</CountryCode>\n"
-"   <Rate>{{TAXBRACKET_RATE}}</Rate>\n"
-"   <Category>{{TAXBRACKET_CATEGORY}}</Category>\n"
-"</CountryTaxBracket>";
+    static const char* costcenter_save_template =
+    "<CostCenter>\n"
+    "   <Id>{{COSTCENTER_ID}}</Id>\n"
+    "   <Code>{{COSTCENTER_CODE}}</Code>\n"
+    "   <Description>{{COSTCENTER_DESCRIPTION}}</Description>\n"
+    "</CostCenter>";
 
-const char* contact_save_template =
-"<Contact>\n"
-"   <Id>{{CONTACT_ID}}</Id>\n"
-"   <Name>{{CONTACT_NAME}}</Name>\n"
-"   <Type>{{CONTACT_TYPE}}</Type>\n"
-"   <TaxId>{{CONTACT_TAXID}}</TaxId>\n"
-"   <BusinessId>{{CONTACT_BUSINESSID}}</BusinessId>\n"
-"   <Email>{{CONTACT_EMAIL}}</Email>\n"
-"   <PhoneNumber>{{CONTACT_PHONENUMBER}}</PhoneNumber>\n"
-"   <BankAccount>{{CONTACT_BANKACCOUNT}}</BankAccount>\n"
-"   <Address>\n"
-"       <AddressLine1>{{CONTACT_ADDRESS1}}</AddressLine1>\n"
-"       <AddressLine2>{{CONTACT_ADDRESS2}}</AddressLine2>\n"
-"       <CountryCode>{{CONTACT_COUNTRY}}</CountryCode>\n"
-"       <City>{{CONTACT_CITY}}</City>\n"
-"       <Postal>{{CONTACT_POSTAL}}</Postal>\n"
-"       <Region>{{CONTACT_REGION}}</Region>\n"
-"   </Address>\n"
-"</Contact>";
+    static const char* taxrate_save_template =
+    "<CountryTaxBracket>\n"
+    "   <Id>{{TAXBRACKET_ID}}</Id>\n"
+    "   <CountryCode>{{TAXBRACKET_COUNTRY}}</CountryCode>\n"
+    "   <Rate>{{TAXBRACKET_RATE}}</Rate>\n"
+    "   <Category>{{TAXBRACKET_CATEGORY}}</Category>\n"
+    "</CountryTaxBracket>";
 
-const char* administration_save_template =
-"<Administration>\n"
-"   <NextId>{{NEXT_ID}}</NextId>\n"
-"   <NextSequenceNumber>{{NEXT_SEQUENCE_NUMBER}}</NextSequenceNumber>\n"
-"   <ProgramVersion>{{PROGRAM_VERSION}}</ProgramVersion>\n"
-"   <AIService>\n"
-"       <Provider>{{AI_SERVICE_PROVIDER}}</Provider>\n"
-"       <PublicKey>{{AI_SERVICE_PUBLIC_KEY}}</PublicKey>\n"
-"   </AIService>\n"
-"</Administration>";
+    static const char* contact_save_template =
+    "<Contact>\n"
+    "   <Id>{{CONTACT_ID}}</Id>\n"
+    "   <Name>{{CONTACT_NAME}}</Name>\n"
+    "   <Type>{{CONTACT_TYPE}}</Type>\n"
+    "   <TaxId>{{CONTACT_TAXID}}</TaxId>\n"
+    "   <BusinessId>{{CONTACT_BUSINESSID}}</BusinessId>\n"
+    "   <Email>{{CONTACT_EMAIL}}</Email>\n"
+    "   <PhoneNumber>{{CONTACT_PHONENUMBER}}</PhoneNumber>\n"
+    "   <BankAccount>{{CONTACT_BANKACCOUNT}}</BankAccount>\n"
+    "   <Address>\n"
+    "       <AddressLine1>{{CONTACT_ADDRESS1}}</AddressLine1>\n"
+    "       <AddressLine2>{{CONTACT_ADDRESS2}}</AddressLine2>\n"
+    "       <CountryCode>{{CONTACT_COUNTRY}}</CountryCode>\n"
+    "       <City>{{CONTACT_CITY}}</City>\n"
+    "       <Postal>{{CONTACT_POSTAL}}</Postal>\n"
+    "       <Region>{{CONTACT_REGION}}</Region>\n"
+    "   </Address>\n"
+    "</Contact>";
 
-const char* peppol_invoice_tax_subtotal_template = 
-"    <cac:TaxSubtotal>\n"
-"      <cbc:TaxableAmount currencyID=\"{{CURRENCY}}\">{{TAXABLE_AMOUNT}}</cbc:TaxableAmount>\n"
-"      <cbc:TaxAmount currencyID=\"{{CURRENCY}}\">{{TAX_AMOUNT}}</cbc:TaxAmount>\n"
-"      <cac:TaxCategory>\n"
-"        <cbc:ID>{{TAX_CATEGORY}}</cbc:ID>\n"
-"        <cbc:Percent>{{TAX_PERCENT}}</cbc:Percent>\n"
-"        <cac:TaxScheme>\n"
-"          <cbc:ID>VAT</cbc:ID>\n"
-"        </cac:TaxScheme>\n"
-"      </cac:TaxCategory>\n"
-"    </cac:TaxSubtotal>\n";
+    static const char* administration_save_template =
+    "<Administration>\n"
+    "   <NextId>{{NEXT_ID}}</NextId>\n"
+    "   <NextSequenceNumber>{{NEXT_SEQUENCE_NUMBER}}</NextSequenceNumber>\n"
+    "   <ProgramVersion>{{PROGRAM_VERSION}}</ProgramVersion>\n"
+    "   <AIService>\n"
+    "       <Provider>{{AI_SERVICE_PROVIDER}}</Provider>\n"
+    "       <PublicKey>{{AI_SERVICE_PUBLIC_KEY}}</PublicKey>\n"
+    "   </AIService>\n"
+    "</Administration>";
 
-const char* peppol_invoice_line_template = 
-"   <cac:InvoiceLine>\n"
-"   <cbc:ID>{{LINE_ID}}</cbc:ID>\n"
-"   <cbc:InvoicedQuantity unitCode=\"{{UNIT_CODE}}\">{{QUANTITY}}</cbc:InvoicedQuantity>\n"
-"   <cbc:LineExtensionAmount currencyID=\"{{CURRENCY}}\">{{LINE_AMOUNT}}</cbc:LineExtensionAmount>\n"
+    static const char* peppol_invoice_tax_subtotal_template = 
+    "    <cac:TaxSubtotal>\n"
+    "      <cbc:TaxableAmount currencyID=\"{{CURRENCY}}\">{{TAXABLE_AMOUNT}}</cbc:TaxableAmount>\n"
+    "      <cbc:TaxAmount currencyID=\"{{CURRENCY}}\">{{TAX_AMOUNT}}</cbc:TaxAmount>\n"
+    "      <cac:TaxCategory>\n"
+    "        <cbc:ID>{{TAX_CATEGORY}}</cbc:ID>\n"
+    "        <cbc:Percent>{{TAX_PERCENT}}</cbc:Percent>\n"
+    "        <cac:TaxScheme>\n"
+    "          <cbc:ID>VAT</cbc:ID>\n"
+    "        </cac:TaxScheme>\n"
+    "      </cac:TaxCategory>\n"
+    "    </cac:TaxSubtotal>\n";
 
-"   <cac:AllowanceCharge>\n"
-"     <cbc:ChargeIndicator>false</cbc:ChargeIndicator>\n"
-"     <cbc:AllowanceChargeReason>Discount</cbc:AllowanceChargeReason>\n"
-"     <cbc:MultiplierFactorNumeric>{{DISCOUNT_TOTAL_PERCENTAGE}}</cbc:MultiplierFactorNumeric>\n"
-"     <cbc:Amount currencyID=\"{{CURRENCY}}\">{{DISCOUNT_TOTAL}}</cbc:Amount>\n"
-"     <cbc:BaseAmount currencyID=\"{{CURRENCY}}\">{{DISCOUNT_BASE_AMOUNT}}</cbc:BaseAmount>\n"
-"   </cac:AllowanceCharge>\n"
+    static const char* peppol_invoice_line_template = 
+    "   <cac:InvoiceLine>\n"
+    "   <cbc:ID>{{LINE_ID}}</cbc:ID>\n"
+    "   <cbc:InvoicedQuantity unitCode=\"{{UNIT_CODE}}\">{{QUANTITY}}</cbc:InvoicedQuantity>\n"
+    "   <cbc:LineExtensionAmount currencyID=\"{{CURRENCY}}\">{{LINE_AMOUNT}}</cbc:LineExtensionAmount>\n"
 
-"   <cac:Item>\n"
-"     <cbc:Name>{{ITEM_NAME}}</cbc:Name>\n"
+    "   <cac:AllowanceCharge>\n"
+    "     <cbc:ChargeIndicator>false</cbc:ChargeIndicator>\n"
+    "     <cbc:AllowanceChargeReason>Discount</cbc:AllowanceChargeReason>\n"
+    "     <cbc:MultiplierFactorNumeric>{{DISCOUNT_TOTAL_PERCENTAGE}}</cbc:MultiplierFactorNumeric>\n"
+    "     <cbc:Amount currencyID=\"{{CURRENCY}}\">{{DISCOUNT_TOTAL}}</cbc:Amount>\n"
+    "     <cbc:BaseAmount currencyID=\"{{CURRENCY}}\">{{DISCOUNT_BASE_AMOUNT}}</cbc:BaseAmount>\n"
+    "   </cac:AllowanceCharge>\n"
 
-"     <cac:AdditionalItemProperty>\n"
-"         <cbc:Name>Internal Tax Rate ID</cbc:Name>\n"
-"         <cbc:Value>{{LINE_TAX_ID}}</cbc:Value>\n"
-"     </cac:AdditionalItemProperty>\n"
+    "   <cac:Item>\n"
+    "     <cbc:Name>{{ITEM_NAME}}</cbc:Name>\n"
 
-"     <cac:ClassifiedTaxCategory>\n"
-"       <cbc:ID>{{LINE_TAX_CATEGORY}}</cbc:ID>\n"
-"       <cbc:Percent>{{LINE_TAX_PERCENT}}</cbc:Percent>\n"
-"       <cac:TaxScheme>\n"
-"         <cbc:ID>VAT</cbc:ID>\n"
-"       </cac:TaxScheme>\n"
-"     </cac:ClassifiedTaxCategory>\n"
-"   </cac:Item>\n"
+    "     <cac:AdditionalItemProperty>\n"
+    "         <cbc:Name>Internal Tax Rate ID</cbc:Name>\n"
+    "         <cbc:Value>{{LINE_TAX_ID}}</cbc:Value>\n"
+    "     </cac:AdditionalItemProperty>\n"
 
-"   <cac:Price>\n"
-"     <cbc:PriceAmount currencyID=\"{{CURRENCY}}\">{{UNIT_PRICE}}</cbc:PriceAmount>\n"
-"   </cac:Price>\n"
-"  </cac:InvoiceLine>\n";
+    "     <cac:ClassifiedTaxCategory>\n"
+    "       <cbc:ID>{{LINE_TAX_CATEGORY}}</cbc:ID>\n"
+    "       <cbc:Percent>{{LINE_TAX_PERCENT}}</cbc:Percent>\n"
+    "       <cac:TaxScheme>\n"
+    "         <cbc:ID>VAT</cbc:ID>\n"
+    "       </cac:TaxScheme>\n"
+    "     </cac:ClassifiedTaxCategory>\n"
+    "   </cac:Item>\n"
 
-const char *peppol_invoice_template =
-/*"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"*/
-"<Invoice xmlns=\"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2\"\n"
-"         xmlns:cac=\"urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2\"\n"
-"         xmlns:cbc=\"urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2\">\n"
-"\n"
-"  <cbc:CustomizationID>urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0</cbc:CustomizationID>\n"
-"  <cbc:ProfileID>urn:fdc:peppol.eu:2017:poacc:billing:01:1.0</cbc:ProfileID>\n"
-"\n"
-"  <cbc:ID>{{INVOICE_ID}}</cbc:ID>\n"
-"  <cbc:IssueDate>{{ISSUE_DATE}}</cbc:IssueDate>\n"
-"  <cbc:DueDate>{{DUE_DATE}}</cbc:DueDate>\n"
-"  <cbc:InvoiceTypeCode>380</cbc:InvoiceTypeCode>\n"
-"  <cbc:DocumentCurrencyCode>{{CURRENCY}}</cbc:DocumentCurrencyCode>\n"
-"\n"
-"  <cac:DespatchDocumentReference>\n"
-"    <cbc:ID>{{INVOICE_STATUS}}</cbc:ID>\n"
-"  </cac:DespatchDocumentReference>\n"
-"\n"
-"  <cac:AdditionalDocumentReference>\n"
-"    <cbc:ID>{{INVOICE_DOCUMENT_COPY}}</cbc:ID>\n"
-"    <cbc:DocumentDescription>{{INVOICE_DOCUMENT_ORIG}}</cbc:DocumentDescription>\n"
-"  </cac:AdditionalDocumentReference>\n"
-"\n"
-"  <cac:OrderReference>\n"
-"    <cbc:ID>{{INVOICE_SEQUENCE_ID}}</cbc:ID>\n"
-"  </cac:OrderReference>\n"
-"\n"
-"  <cac:ProjectReference>\n"
-"    <cbc:ID>{{PROJECT_ID}}</cbc:ID>\n"
-"  </cac:ProjectReference>\n"
-"  <cbc:AccountingCost>{{COST_CENTER_ID}}</cbc:AccountingCost>\n"
-"\n"
-"  <cac:AccountingSupplierParty>\n"
-"    <cac:Party>\n"
-"      <cbc:EndpointID schemeID=\"{{SUPPLIER_ENDPOINT_SCHEME}}\">{{SUPPLIER_ENDPOINT_ID}}</cbc:EndpointID>\n"
-"      <cac:PartyIdentification>\n"
-"        <cbc:ID schemeID=\"ZZZ\">{{SUPPLIER_BUSINESS_ID}}</cbc:ID>\n"
-"      </cac:PartyIdentification>\n"
-"      <cac:PartyName>\n"
-"        <cbc:Name>{{SUPPLIER_NAME}}</cbc:Name>\n"
-"      </cac:PartyName>\n"
-"      <cac:PostalAddress>\n"
-"        <cbc:StreetName>{{SUPPLIER_STREET}}</cbc:StreetName>\n"
-"        <cbc:AdditionalStreetName>{{SUPPLIER_STREET2}}</cbc:AdditionalStreetName>\n"
-"        <cbc:CityName>{{SUPPLIER_CITY}}</cbc:CityName>\n"
-"        <cbc:PostalZone>{{SUPPLIER_POSTAL}}</cbc:PostalZone>\n"
-"        <cbc:CountrySubentity>{{SUPPLIER_REGION}}</cbc:CountrySubentity>\n"
-"        <cac:Country>\n"
-"          <cbc:IdentificationCode>{{SUPPLIER_COUNTRY}}</cbc:IdentificationCode>\n"
-"        </cac:Country>\n"
-"      </cac:PostalAddress>\n"
-"      <cac:PartyTaxScheme>\n"
-"        <cbc:CompanyID>{{SUPPLIER_VAT_ID}}</cbc:CompanyID>\n"
-"        <cac:TaxScheme>\n"
-"          <cbc:ID>VAT</cbc:ID>\n"
-"        </cac:TaxScheme>\n"
-"      </cac:PartyTaxScheme>\n"
-"\n"
-"      <cac:PartyLegalEntity>\n"
-"        <cbc:RegistrationName>{{SUPPLIER_LEGAL_NAME}}</cbc:RegistrationName>\n"
-"      </cac:PartyLegalEntity>\n"
-"\n"
-"      <cac:Contact>\n"
-"        <cbc:Name>{{SUPPLIER_ID}}</cbc:Name>\n"
-"        <cbc:Telephone>{{SUPPLIER_PHONE_NUMBER}}</cbc:Telephone>\n"
-"        <cbc:ElectronicMail>{{SUPPLIER_EMAIL}}</cbc:ElectronicMail>\n"
-"      </cac:Contact>\n"
-"\n"
-"    </cac:Party>\n"
-"  </cac:AccountingSupplierParty>\n"
-"\n"
-"  <cac:AccountingCustomerParty>\n"
-"    <cac:Party>\n"
-"      <cbc:EndpointID schemeID=\"{{CUSTOMER_ENDPOINT_SCHEME}}\">{{CUSTOMER_ENDPOINT_ID}}</cbc:EndpointID>\n"
-"      <cac:PartyIdentification>\n"
-"        <cbc:ID schemeID=\"ZZZ\">{{CUSTOMER_BUSINESS_ID}}</cbc:ID>\n"
-"      </cac:PartyIdentification>\n"
-"      <cac:PartyName>\n"
-"        <cbc:Name>{{CUSTOMER_NAME}}</cbc:Name>\n"
-"      </cac:PartyName>\n"
-"      <cac:PostalAddress>\n"
-"        <cbc:StreetName>{{CUSTOMER_STREET}}</cbc:StreetName>\n"
-"        <cbc:AdditionalStreetName>{{CUSTOMER_STREET2}}</cbc:AdditionalStreetName>\n"
-"        <cbc:CityName>{{CUSTOMER_CITY}}</cbc:CityName>\n"
-"        <cbc:PostalZone>{{CUSTOMER_POSTAL}}</cbc:PostalZone>\n"
-"        <cbc:CountrySubentity>{{CUSTOMER_REGION}}</cbc:CountrySubentity>\n"
-"        <cac:Country>\n"
-"          <cbc:IdentificationCode>{{CUSTOMER_COUNTRY}}</cbc:IdentificationCode>\n"
-"        </cac:Country>\n"
-"      </cac:PostalAddress>\n"
-"      <cac:PartyTaxScheme>\n"
-"        <cbc:CompanyID>{{CUSTOMER_VAT_ID}}</cbc:CompanyID>\n"
-"        <cac:TaxScheme>\n"
-"          <cbc:ID>VAT</cbc:ID>\n"
-"        </cac:TaxScheme>\n"
-"      </cac:PartyTaxScheme>\n"
-"\n"
-"      <cac:PartyLegalEntity>\n"
-"        <cbc:RegistrationName>{{CUSTOMER_LEGAL_NAME}}</cbc:RegistrationName>\n"
-"      </cac:PartyLegalEntity>\n"
-"\n"
-"      <cac:Contact>\n"
-"        <cbc:Name>{{CUSTOMER_ID}}</cbc:Name>\n"
-"        <cbc:Telephone>{{CUSTOMER_PHONE_NUMBER}}</cbc:Telephone>\n"
-"        <cbc:ElectronicMail>{{CUSTOMER_EMAIL}}</cbc:ElectronicMail>\n"
-"      </cac:Contact>\n"
-"\n"
-"    </cac:Party>\n"
-"  </cac:AccountingCustomerParty>\n"
-"\n"
-"<cac:Delivery>\n"
-"    <cbc:ActualDeliveryDate>{{DELIVERY_DATE}}</cbc:ActualDeliveryDate>\n"
-"    <cac:DeliveryLocation>\n"
-"        <cac:Address>\n"
-"           <cbc:StreetName>{{DELIVERY_STREET}}</cbc:StreetName>\n"
-"           <cbc:AdditionalStreetName>{{DELIVERY_STREET2}}</cbc:AdditionalStreetName>\n"
-"           <cbc:CityName>{{DELIVERY_CITY}}</cbc:CityName>\n"
-"           <cbc:PostalZone>{{DELIVERY_POSTAL}}</cbc:PostalZone>\n"
-"           <cbc:CountrySubentity>{{DELIVERY_REGION}}</cbc:CountrySubentity>\n"
-"           <cac:Country>\n"
-"             <cbc:IdentificationCode>{{DELIVERY_COUNTRY}}</cbc:IdentificationCode>\n"
-"           </cac:Country>\n"
-"        </cac:Address>\n"
-"    </cac:DeliveryLocation>\n"
-"    <cac:DeliveryParty>\n"
-"        <cac:PartyName>\n"
-"            <cbc:Name>{{DELIVERY_NAME}}</cbc:Name>\n"
-"        </cac:PartyName>\n"
-"    </cac:DeliveryParty>\n"
-"</cac:Delivery>\n"
-"\n"
-"  <cac:PaymentMeans>\n"
-"    <cbc:PaymentMeansCode>{{PAYMENT_TYPE}}</cbc:PaymentMeansCode>\n"
-"    <cbc:PaymentID>{{INVOICE_ID}}</cbc:PaymentID>\n"
+    "   <cac:Price>\n"
+    "     <cbc:PriceAmount currencyID=\"{{CURRENCY}}\">{{UNIT_PRICE}}</cbc:PriceAmount>\n"
+    "   </cac:Price>\n"
+    "  </cac:InvoiceLine>\n";
 
-"    <cac:PayeeFinancialAccount>\n"
-"      <cbc:ID>{{RECIPIENT_IBAN}}</cbc:ID>\n"
-"      <cbc:Name>{{RECIPIENT_NAME}}</cbc:Name>\n"
-"      <cac:FinancialInstitutionBranch>\n"
-"        <cac:FinancialInstitution>\n"
-"          <cbc:ID>{{RECIPIENT_BIC}}</cbc:ID>\n"
-"        </cac:FinancialInstitution>\n"
-"      </cac:FinancialInstitutionBranch>\n"
-"    </cac:PayeeFinancialAccount>\n"
+    static const char *peppol_invoice_template =
+    /*"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"*/
+    "<Invoice xmlns=\"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2\"\n"
+    "         xmlns:cac=\"urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2\"\n"
+    "         xmlns:cbc=\"urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2\">\n"
+    "\n"
+    "  <cbc:CustomizationID>urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0</cbc:CustomizationID>\n"
+    "  <cbc:ProfileID>urn:fdc:peppol.eu:2017:poacc:billing:01:1.0</cbc:ProfileID>\n"
+    "\n"
+    "  <cbc:ID>{{INVOICE_ID}}</cbc:ID>\n"
+    "  <cbc:IssueDate>{{ISSUE_DATE}}</cbc:IssueDate>\n"
+    "  <cbc:DueDate>{{DUE_DATE}}</cbc:DueDate>\n"
+    "  <cbc:InvoiceTypeCode>380</cbc:InvoiceTypeCode>\n"
+    "  <cbc:DocumentCurrencyCode>{{CURRENCY}}</cbc:DocumentCurrencyCode>\n"
+    "\n"
+    "  <cac:DespatchDocumentReference>\n"
+    "    <cbc:ID>{{INVOICE_STATUS}}</cbc:ID>\n"
+    "  </cac:DespatchDocumentReference>\n"
+    "\n"
+    "  <cac:AdditionalDocumentReference>\n"
+    "    <cbc:ID>{{INVOICE_DOCUMENT_COPY}}</cbc:ID>\n"
+    "    <cbc:DocumentDescription>{{INVOICE_DOCUMENT_ORIG}}</cbc:DocumentDescription>\n"
+    "  </cac:AdditionalDocumentReference>\n"
+    "\n"
+    "  <cac:OrderReference>\n"
+    "    <cbc:ID>{{INVOICE_SEQUENCE_ID}}</cbc:ID>\n"
+    "  </cac:OrderReference>\n"
+    "\n"
+    "  <cac:ProjectReference>\n"
+    "    <cbc:ID>{{PROJECT_ID}}</cbc:ID>\n"
+    "  </cac:ProjectReference>\n"
+    "  <cbc:AccountingCost>{{COST_CENTER_ID}}</cbc:AccountingCost>\n"
+    "\n"
+    "  <cac:AccountingSupplierParty>\n"
+    "    <cac:Party>\n"
+    "      <cbc:EndpointID schemeID=\"{{SUPPLIER_ENDPOINT_SCHEME}}\">{{SUPPLIER_ENDPOINT_ID}}</cbc:EndpointID>\n"
+    "      <cac:PartyIdentification>\n"
+    "        <cbc:ID schemeID=\"ZZZ\">{{SUPPLIER_BUSINESS_ID}}</cbc:ID>\n"
+    "      </cac:PartyIdentification>\n"
+    "      <cac:PartyName>\n"
+    "        <cbc:Name>{{SUPPLIER_NAME}}</cbc:Name>\n"
+    "      </cac:PartyName>\n"
+    "      <cac:PostalAddress>\n"
+    "        <cbc:StreetName>{{SUPPLIER_STREET}}</cbc:StreetName>\n"
+    "        <cbc:AdditionalStreetName>{{SUPPLIER_STREET2}}</cbc:AdditionalStreetName>\n"
+    "        <cbc:CityName>{{SUPPLIER_CITY}}</cbc:CityName>\n"
+    "        <cbc:PostalZone>{{SUPPLIER_POSTAL}}</cbc:PostalZone>\n"
+    "        <cbc:CountrySubentity>{{SUPPLIER_REGION}}</cbc:CountrySubentity>\n"
+    "        <cac:Country>\n"
+    "          <cbc:IdentificationCode>{{SUPPLIER_COUNTRY}}</cbc:IdentificationCode>\n"
+    "        </cac:Country>\n"
+    "      </cac:PostalAddress>\n"
+    "      <cac:PartyTaxScheme>\n"
+    "        <cbc:CompanyID>{{SUPPLIER_VAT_ID}}</cbc:CompanyID>\n"
+    "        <cac:TaxScheme>\n"
+    "          <cbc:ID>VAT</cbc:ID>\n"
+    "        </cac:TaxScheme>\n"
+    "      </cac:PartyTaxScheme>\n"
+    "\n"
+    "      <cac:PartyLegalEntity>\n"
+    "        <cbc:RegistrationName>{{SUPPLIER_LEGAL_NAME}}</cbc:RegistrationName>\n"
+    "      </cac:PartyLegalEntity>\n"
+    "\n"
+    "      <cac:Contact>\n"
+    "        <cbc:Name>{{SUPPLIER_ID}}</cbc:Name>\n"
+    "        <cbc:Telephone>{{SUPPLIER_PHONE_NUMBER}}</cbc:Telephone>\n"
+    "        <cbc:ElectronicMail>{{SUPPLIER_EMAIL}}</cbc:ElectronicMail>\n"
+    "      </cac:Contact>\n"
+    "\n"
+    "    </cac:Party>\n"
+    "  </cac:AccountingSupplierParty>\n"
+    "\n"
+    "  <cac:AccountingCustomerParty>\n"
+    "    <cac:Party>\n"
+    "      <cbc:EndpointID schemeID=\"{{CUSTOMER_ENDPOINT_SCHEME}}\">{{CUSTOMER_ENDPOINT_ID}}</cbc:EndpointID>\n"
+    "      <cac:PartyIdentification>\n"
+    "        <cbc:ID schemeID=\"ZZZ\">{{CUSTOMER_BUSINESS_ID}}</cbc:ID>\n"
+    "      </cac:PartyIdentification>\n"
+    "      <cac:PartyName>\n"
+    "        <cbc:Name>{{CUSTOMER_NAME}}</cbc:Name>\n"
+    "      </cac:PartyName>\n"
+    "      <cac:PostalAddress>\n"
+    "        <cbc:StreetName>{{CUSTOMER_STREET}}</cbc:StreetName>\n"
+    "        <cbc:AdditionalStreetName>{{CUSTOMER_STREET2}}</cbc:AdditionalStreetName>\n"
+    "        <cbc:CityName>{{CUSTOMER_CITY}}</cbc:CityName>\n"
+    "        <cbc:PostalZone>{{CUSTOMER_POSTAL}}</cbc:PostalZone>\n"
+    "        <cbc:CountrySubentity>{{CUSTOMER_REGION}}</cbc:CountrySubentity>\n"
+    "        <cac:Country>\n"
+    "          <cbc:IdentificationCode>{{CUSTOMER_COUNTRY}}</cbc:IdentificationCode>\n"
+    "        </cac:Country>\n"
+    "      </cac:PostalAddress>\n"
+    "      <cac:PartyTaxScheme>\n"
+    "        <cbc:CompanyID>{{CUSTOMER_VAT_ID}}</cbc:CompanyID>\n"
+    "        <cac:TaxScheme>\n"
+    "          <cbc:ID>VAT</cbc:ID>\n"
+    "        </cac:TaxScheme>\n"
+    "      </cac:PartyTaxScheme>\n"
+    "\n"
+    "      <cac:PartyLegalEntity>\n"
+    "        <cbc:RegistrationName>{{CUSTOMER_LEGAL_NAME}}</cbc:RegistrationName>\n"
+    "      </cac:PartyLegalEntity>\n"
+    "\n"
+    "      <cac:Contact>\n"
+    "        <cbc:Name>{{CUSTOMER_ID}}</cbc:Name>\n"
+    "        <cbc:Telephone>{{CUSTOMER_PHONE_NUMBER}}</cbc:Telephone>\n"
+    "        <cbc:ElectronicMail>{{CUSTOMER_EMAIL}}</cbc:ElectronicMail>\n"
+    "      </cac:Contact>\n"
+    "\n"
+    "    </cac:Party>\n"
+    "  </cac:AccountingCustomerParty>\n"
+    "\n"
+    "<cac:Delivery>\n"
+    "    <cbc:ActualDeliveryDate>{{DELIVERY_DATE}}</cbc:ActualDeliveryDate>\n"
+    "    <cac:DeliveryLocation>\n"
+    "        <cac:Address>\n"
+    "           <cbc:StreetName>{{DELIVERY_STREET}}</cbc:StreetName>\n"
+    "           <cbc:AdditionalStreetName>{{DELIVERY_STREET2}}</cbc:AdditionalStreetName>\n"
+    "           <cbc:CityName>{{DELIVERY_CITY}}</cbc:CityName>\n"
+    "           <cbc:PostalZone>{{DELIVERY_POSTAL}}</cbc:PostalZone>\n"
+    "           <cbc:CountrySubentity>{{DELIVERY_REGION}}</cbc:CountrySubentity>\n"
+    "           <cac:Country>\n"
+    "             <cbc:IdentificationCode>{{DELIVERY_COUNTRY}}</cbc:IdentificationCode>\n"
+    "           </cac:Country>\n"
+    "        </cac:Address>\n"
+    "    </cac:DeliveryLocation>\n"
+    "    <cac:DeliveryParty>\n"
+    "        <cac:PartyName>\n"
+    "            <cbc:Name>{{DELIVERY_NAME}}</cbc:Name>\n"
+    "        </cac:PartyName>\n"
+    "    </cac:DeliveryParty>\n"
+    "</cac:Delivery>\n"
+    "\n"
+    "  <cac:PaymentMeans>\n"
+    "    <cbc:PaymentMeansCode>{{PAYMENT_TYPE}}</cbc:PaymentMeansCode>\n"
+    "    <cbc:PaymentID>{{INVOICE_ID}}</cbc:PaymentID>\n"
 
-"    <cac:PayerFinancialAccount>\n"
-"      <cbc:ID>{{SENDER_IBAN}}</cbc:ID>\n"
-"    </cac:PayerFinancialAccount>\n"
+    "    <cac:PayeeFinancialAccount>\n"
+    "      <cbc:ID>{{RECIPIENT_IBAN}}</cbc:ID>\n"
+    "      <cbc:Name>{{RECIPIENT_NAME}}</cbc:Name>\n"
+    "      <cac:FinancialInstitutionBranch>\n"
+    "        <cac:FinancialInstitution>\n"
+    "          <cbc:ID>{{RECIPIENT_BIC}}</cbc:ID>\n"
+    "        </cac:FinancialInstitution>\n"
+    "      </cac:FinancialInstitutionBranch>\n"
+    "    </cac:PayeeFinancialAccount>\n"
 
-"  </cac:PaymentMeans>\n"
-"\n"
-"  <cac:TaxTotal>\n"
-"    <cbc:TaxAmount currencyID=\"{{CURRENCY}}\">{{TOTAL_TAX_AMOUNT}}</cbc:TaxAmount>\n"
-"    {{TAX_SUBTOTAL_LIST}}"
-"  </cac:TaxTotal>\n"
-"\n"
-"  <cac:LegalMonetaryTotal>\n"
-"    <cbc:LineExtensionAmount currencyID=\"{{CURRENCY}}\">{{LINE_EXTENSION_AMOUNT}}</cbc:LineExtensionAmount>\n"
-"    <cbc:TaxExclusiveAmount currencyID=\"{{CURRENCY}}\">{{TAX_EXCLUSIVE_AMOUNT}}</cbc:TaxExclusiveAmount>\n"
-"    <cbc:TaxInclusiveAmount currencyID=\"{{CURRENCY}}\">{{TAX_INCLUSIVE_AMOUNT}}</cbc:TaxInclusiveAmount>\n"
-"    <cbc:PayableAmount currencyID=\"{{CURRENCY}}\">{{PAYABLE_AMOUNT}}</cbc:PayableAmount>\n"
-"  </cac:LegalMonetaryTotal>\n"
-"\n"
-"  {{INVOICE_LINE_LIST}}"
-"\n"
-"</Invoice>";
+    "    <cac:PayerFinancialAccount>\n"
+    "      <cbc:ID>{{SENDER_IBAN}}</cbc:ID>\n"
+    "    </cac:PayerFinancialAccount>\n"
+
+    "  </cac:PaymentMeans>\n"
+    "\n"
+    "  <cac:TaxTotal>\n"
+    "    <cbc:TaxAmount currencyID=\"{{CURRENCY}}\">{{TOTAL_TAX_AMOUNT}}</cbc:TaxAmount>\n"
+    "    {{TAX_SUBTOTAL_LIST}}"
+    "  </cac:TaxTotal>\n"
+    "\n"
+    "  <cac:LegalMonetaryTotal>\n"
+    "    <cbc:LineExtensionAmount currencyID=\"{{CURRENCY}}\">{{LINE_EXTENSION_AMOUNT}}</cbc:LineExtensionAmount>\n"
+    "    <cbc:TaxExclusiveAmount currencyID=\"{{CURRENCY}}\">{{TAX_EXCLUSIVE_AMOUNT}}</cbc:TaxExclusiveAmount>\n"
+    "    <cbc:TaxInclusiveAmount currencyID=\"{{CURRENCY}}\">{{TAX_INCLUSIVE_AMOUNT}}</cbc:TaxInclusiveAmount>\n"
+    "    <cbc:PayableAmount currencyID=\"{{CURRENCY}}\">{{PAYABLE_AMOUNT}}</cbc:PayableAmount>\n"
+    "  </cac:LegalMonetaryTotal>\n"
+    "\n"
+    "  {{INVOICE_LINE_LIST}}"
+    "\n"
+    "</Invoice>";
+
+}
\ No newline at end of file
diff --git a/include/import_service.hpp b/include/import_service.hpp
deleted file mode 100644
index 7e23e20..0000000
--- a/include/import_service.hpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
-* Copyright (c) 2025 Aldrik Ramaekers <aldrik.ramaekers@gmail.com>
-* 
-* Permission to use, copy, modify, and/or distribute this software for any
-* purpose with or without fee is hereby granted, provided that the above
-* copyright notice and this permission notice appear in all copies.
-* 
-* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-#pragma once
-
-#include "administration.hpp"
-
-typedef uint32_t i_err;
-
-#define I_ERR_SUCCESS       0
-#define I_ERR_FAILED_UPLOAD 1
-#define I_ERR_FAILED_QUERY  2
-#define I_ERR_FAILED_IMPORT 3
-
-typedef enum
-{
-    IMPORT_STARTING,
-    IMPORT_UPLOADING_FILE,
-    IMPORT_QUERYING,
-    IMPORT_WAITING_FOR_RESPONSE,
-    IMPORT_DONE,
-} import_status;
-
-typedef struct
-{
-    time_t started_at;
-    invoice result;
-    char file_path[MAX_LEN_PATH];
-    i_err error;
-    import_status status;
-} import_invoice_request;
-
-typedef struct 
-{
-    bool (*upload_file)(char* file_path, char* file_id, size_t file_id_len);
-    bool (*query_with_file)(char* query, size_t query_length, char* file_id, char** response);
-} ai_provider_impl;
-
-extern ai_provider_impl _chatgpt_api_provider;
-extern ai_provider_impl _deepseek_api_provider;
-
-const char* import_error_to_str(i_err error);
-const char* import_status_to_str(import_status status);
-import_invoice_request* ai_document_to_invoice(char* file_path);
\ No newline at end of file
diff --git a/include/importer.hpp b/include/importer.hpp
new file mode 100644
index 0000000..7e23e20
--- /dev/null
+++ b/include/importer.hpp
@@ -0,0 +1,57 @@
+/*
+* Copyright (c) 2025 Aldrik Ramaekers <aldrik.ramaekers@gmail.com>
+* 
+* Permission to use, copy, modify, and/or distribute this software for any
+* purpose with or without fee is hereby granted, provided that the above
+* copyright notice and this permission notice appear in all copies.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#pragma once
+
+#include "administration.hpp"
+
+typedef uint32_t i_err;
+
+#define I_ERR_SUCCESS       0
+#define I_ERR_FAILED_UPLOAD 1
+#define I_ERR_FAILED_QUERY  2
+#define I_ERR_FAILED_IMPORT 3
+
+typedef enum
+{
+    IMPORT_STARTING,
+    IMPORT_UPLOADING_FILE,
+    IMPORT_QUERYING,
+    IMPORT_WAITING_FOR_RESPONSE,
+    IMPORT_DONE,
+} import_status;
+
+typedef struct
+{
+    time_t started_at;
+    invoice result;
+    char file_path[MAX_LEN_PATH];
+    i_err error;
+    import_status status;
+} import_invoice_request;
+
+typedef struct 
+{
+    bool (*upload_file)(char* file_path, char* file_id, size_t file_id_len);
+    bool (*query_with_file)(char* query, size_t query_length, char* file_id, char** response);
+} ai_provider_impl;
+
+extern ai_provider_impl _chatgpt_api_provider;
+extern ai_provider_impl _deepseek_api_provider;
+
+const char* import_error_to_str(i_err error);
+const char* import_status_to_str(import_status status);
+import_invoice_request* ai_document_to_invoice(char* file_path);
\ No newline at end of file
diff --git a/include/locales.hpp b/include/locales.hpp
index d361f1e..ec6cc74 100644
--- a/include/locales.hpp
+++ b/include/locales.hpp
@@ -16,20 +16,23 @@
 
 #pragma once
 
-typedef struct {
-    const char* key;
-    const char* value;
-} locale_entry;
+namespace locale {
 
-typedef struct {
-    const char* lang_code;
-    locale_entry* entries;
-    int entry_count;
-} locale_map;
+    typedef struct {
+        const char* key;
+        const char* value;
+    } locale_entry;
 
-extern locale_entry en_locales[];
-extern const int en_locale_count;
+    typedef struct {
+        const char* lang_code;
+        locale_entry* entries;
+        int entry_count;
+    } locale_map;
 
-const char* get_locale();
-void set_locale(const char key[2]);
-const char* localize(const char* key);
\ No newline at end of file
+    extern locale_entry en_locales[];
+    extern const int en_locale_count;
+
+    const char* get_locale();
+    void        set_locale(const char key[2]);
+    const char* get(const char* key);
+}
\ No newline at end of file
-- 
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