//處方類
import java.util.*;
public class Prescription {
	//------------
	// Attributes.
	//------------

	private int prescriptionNo;//處方的第ID號
	private GregorianCalendar startTime;//處方日期
	private GregorianCalendar endTime;//處方終止日期
	private int numberTime;//處方使用次數
	private Doctor PrescriptionMaker;
	private Patient PrescriptionOwner;
	private boolean use;//處方是否可用
	private ArrayList<PrescriptionEntry>PrescriptionEnties;
	
	//----------------
	// Constructor(s).
	//----------------

	public Prescription(int pn,Doctor d,Patient pa,int nt,GregorianCalendar st,GregorianCalendar et){
				
		setPrescriptionNo(pn);
		setStartTime(st);
		setEndTime(et);		
		setPrescriptionMaker(d);
		setPrescriptionOwner(pa);
		setNumberTime(nt);		
		PrescriptionEnties = new ArrayList<PrescriptionEntry>();
		pa.addPrescription(this);
	}
	
	public void setNumberTime(int nt) {
		numberTime = nt;
		
	}
	
	public int getNumberTime(){
		return numberTime;
	}
	
	public void setStartTime(GregorianCalendar st) {
		startTime = st;
	}
	
	public GregorianCalendar getStartTime(){
		return startTime;
	}
	
	public void setEndTime(GregorianCalendar et) {
		endTime = et;	
	}
	
	public GregorianCalendar getEndTime(){
		return endTime;
	}
	
	public void setPrescriptionNo(int pn) {
		prescriptionNo = pn;
	}
	
	public int getPrescriptionNo(){
		return prescriptionNo;
	}
	
	public void setPrescriptionMaker(Doctor d) {
		PrescriptionMaker = d;
	}
	
	public Doctor getPrescriptionMaker(){
		return PrescriptionMaker;
	}
	
	public void setPrescriptionOwner(Patient pa) {
		PrescriptionOwner = pa;
	}
	
	public Patient getPrescriptionOwner(){
		return PrescriptionOwner;
	}
	
	public void setUse(){
		GregorianCalendar et2  = new GregorianCalendar();
		if(getNumberTime()>0 && et2.equals(getEndTime()))
			use = true;
	}
	
	public boolean getUse(){
		return use;
	}
	
	//添加處方單元
	public void addPrescriptionEntry(PrescriptionEntry p){
		PrescriptionEnties.add(p);
		p.setPrescription(this);
	}
	
	public String toString(){
		return "prescriptionNo：" + getPrescriptionNo();
	}
	
	//打印出處方信息
	public void display(){
		System.out.println("prescriptionNo："+getPrescriptionNo());
		System.out.print("Patient");
		getPrescriptionOwner().display();
		System.out.print("Doctor");
		getPrescriptionMaker().display();
		System.out.println("The description of taking medicine && remarks： ");
		for(PrescriptionEntry p :PrescriptionEnties ){
			System.out.print(p.getMedicine().getMedicineName()+":  "+p.getQuantities()+p.getUnit()+",");
			if(p.isCanReplace()){ 
			    System.out.print("Could be replaced by "+p.getMedicine().displayReplace()+"....");
			}
			else 
				System.out.print("Could not be replaced"+",");
			if(p.getMedicine().hasSideEffectOrNot()){
				System.out.print("has SideEffect"+p.getMedicine().displaySideEffect()+".");
			    
			}
			else System.out.print("has not SideEffect"+".");
			System.out.println();
		}
		System.out.println("The times of using the prescription： "+ getNumberTime());
		System.out.println("The starttime of prescription： "+ startTime.getTime());
		System.out.println("The endtime of prescription： "+ endTime.getTime());
	}
	
	//抓藥
	public void getMedicine(){
		setUse();
		if(getUse()){
		    System.out.print("could write prescription");
		    numberTime--;
	    }
		else 
		System.out.print("this prescription is useless,so could not wrtie the prescription!!!!!!");
	}
}