/*
File: Invoice.h
Description: Declares the Invoice class which represents billing details for a service booking in the Vehicle Service Management System.
             Each invoice includes booking information, labor cost, parts used, discount percentage, total amount, payment details, and status.
Author: Trenser
Date: 19-May-2026
*/


#pragma once
#include <string>
#include "Map.h"
#include "Vector.h"
#include "Timestamp.h"
#include "Enums.h"

class ServiceBooking;
class InventoryItem;

class Invoice
{
private:
    static int m_uid;
    std::string m_id;
    std::string m_bookingId;
    ServiceBooking* m_booking;
    util::Timestamp m_invoiceDate;
    double m_laborCost;
    util::Vector<std::string> m_partIDs;
    util::Map<std::string, InventoryItem*> m_parts;
    double m_partsCost;
    double m_discountPercentage;
    double m_totalAmount;
    util::Timestamp m_paymentDate;
    util::PaymentMode m_paymentMethod;
    util::PaymentStatus m_status;
public:
    Invoice();
    Invoice(
        const std::string& bookingId,
        ServiceBooking* booking,
        const util::Timestamp& invoiceDate, 
        double laborCost, 
        const util::Map<std::string,InventoryItem*>& parts,
        double partsCost,
        double discountPercentage, 
        double totalAmount, 
        const util::Timestamp& paymentDate, 
        util::PaymentMode paymentMethod, 
        util::PaymentStatus status
    );
    Invoice(
        const std::string& id,
        const std::string& bookingId,
        const util::Timestamp& invoiceDate,
        const util::Vector<std::string>& partIDs,
        double laborCost,
        double partsCost,
        double discountPercentage,
        double totalAmount,
        const util::Timestamp& paymentDate,
        util::PaymentMode paymentMethod,
        util::PaymentStatus status
    );
    const std::string& getId() const;
    const std::string& getBookingId() const;
    ServiceBooking* getBooking() const;
    const util::Timestamp& getInvoiceDate() const;
    double getLaborCost() const;
    const util::Vector<std::string>& getPartIDs() const;
    const util::Map<std::string, InventoryItem*>& getParts() const;
    double getPartsCost() const;
    double getDiscountPercentage() const;
    double getTotalAmount() const;
    const util::Timestamp& getPaymentDate() const;
    util::PaymentMode getPaymentMethod() const;
    util::PaymentStatus getStatus() const;
    void setId(const std::string& id);
    void setBookingId(const std::string& bookingId);
    void setBooking(ServiceBooking* booking);
    void setInvoiceDate(const util::Timestamp& invoiceDate);
    void setLaborCost(double laborCost);
    void setParts(const util::Map<std::string, InventoryItem*>& parts);
    void setPartsCost(double partsCost);
    void setDiscountPercentage(double discountPercentage);
    void setTotalAmount(double totalAmount);
    void setPaymentDate(const util::Timestamp& paymentDate);
    void setPaymentMethod(util::PaymentMode paymentMethod);
    void setStatus(util::PaymentStatus status);
    std::string serialize() const;
    static Invoice* deserialize(const std::string&);
    static std::string getHeaders();
};