/*
* eLaRP: A small ERP utility program
* Copyright (C) 2024 Wu Yiming
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "la_5.h"
#include "pdfgen.h"

extern LA MAIN;

STRUCTURE(ERPCustomer){
    laListItem Item;
    laSafeString* Nickname;
    laSafeString* Name;
    laSafeString* Country;
    laSafeString* State;
    laSafeString* City;
    laSafeString* Address;
    laSafeString* PostalCode;
    laSafeString* Tel;
    laSafeString* EMail;
};

STRUCTURE(ERPProduct){
    laListItem Item;
    laSafeString* Name;
    laListHandle AvailableOptions;
    laSafeString* HSCode;
    int Price;
    int DiscountedPrice;
};

STRUCTURE(ERPProductOption){
    laListItem Item;
    ERPProduct* Parent;
    laSafeString* Name;
    laListHandle Values;
};

STRUCTURE(ERPProductOptionValue){
    laListItem Item;
    ERPProductOption* Parent;
    laSafeString* Name;
    int PriceOffset;
};

STRUCTURE(ERPOrder){
    laListItem Item;
    ERPCustomer* Customer;
    laListHandle ProductEntries;
    laListHandle Packages;
    laSafeString* Comments;
    laSafeString* AdminComments;
    laListHandle Messages;
    int State;
    int Paid;
    int OrderDiscount;
    int OrderPrice;
};

STRUCTURE(ERPProductEntry){
    laListItem Item;
    ERPOrder* Parent;
    ERPProduct* Product;
    laListHandle Options;
    int Amount;
    int EntryPrice;
};

STRUCTURE(ERPProductEntryOption){
    laListItem Item;
    ERPProductEntry* Parent;
    ERPProductOption* Option;
    ERPProductOptionValue* Value;
    int OptionPriceOffset;
};

STRUCTURE(ERPPackage){
    laListItem Item;
    ERPOrder* Parent;
    laSafeString* Tracking;
    laListHandle IncludedProducts;
};

STRUCTURE(ERPPackageProduct){
    laListItem Item;
    ERPPackage* Parent;
    ERPProductEntry* Product;
};

STRUCTURE(ERPMessage){
    laListItem Item;
    laSafeString* Description;
    laSafeString* Message;
    int IsHeader;
};

STRUCTURE(ERPMessageEntry){
    laListItem Item;
    ERPOrder* Parent;
    ERPMessage* Message;
};


#define ERP_ORDER_STATE_PENDING_PACKAGING 0
#define ERP_ORDER_STATE_PENDING_LABEL     1
#define ERP_ORDER_STATE_PENDING_SHIPPING  2
#define ERP_ORDER_STATE_SHIPPED           3
#define ERP_ORDER_STATE_ARRIVED           4
#define ERP_ORDER_STATE_IN_PERSON         5
#define ERP_ORDER_STATE_NEED_INFO         127

STRUCTURE(ERPMain){
    void* _PAD;

    ERPOrder* CurrentOrder;
    ERPProduct* CurrentProduct;
    ERPCustomer* CurrentCustomer;
    ERPMessage* CurrentMessage;

    laListHandle Orders;
    laListHandle Products;
    laListHandle Customers;

    laListHandle PinnedOrders;

    laListHandle Messages;
};

extern ERPMain* erp;

void erpRegisterEverything();
void erpInit();