package com.plannaplan.models;

import java.util.Iterator;
import java.util.List;

import com.plannaplan.entities.Groups;

/**
 * Instance to keep data to send in mail about accepted courses results
 */
public class EmailAcceptedData {
    private List<Groups> accepted;
    private List<Groups> removed;

    public EmailAcceptedData() {

    }

    /**
     * creates instance of class
     * 
     * @param accepted list of groups that user joined to
     * @param removed  lsit of groups that user failed to join
     */
    public EmailAcceptedData(List<Groups> accepted, List<Groups> removed) {
        this.accepted = accepted;
        this.removed = removed;
    }

    /**
     * get list of removed assignments
     * 
     * @return removed assingments
     */
    public List<Groups> getRemoved() {
        return removed;
    }

    /**
     * set list of removed assignments
     * 
     * @param removed list of removed assignments
     */
    public void setRemoved(List<Groups> removed) {
        this.removed = removed;
    }

    /**
     * get list of accepted assignments
     * 
     * @return accepted assingments
     */
    public List<Groups> getAccepted() {
        return accepted;
    }

    /**
     * set list of accepted assignments
     * 
     * @param accepted list of accepted assignments
     */
    public void setAccepted(List<Groups> accepted) {
        this.accepted = accepted;
    }

    /**
     * it creates and return email message body
     * 
     * @return string with emiale massage
     */
    public String getEmailMessage() {
        String response = "Akceptacja Twoich przedmiotów właśnie dobiegła końca.\n\n";
        if (this.accepted != null && this.accepted.size() > 0) {
            response += "Zatwierdzone grupy: \n";
            Iterator<Groups> iterator = accepted.iterator();
            while (iterator.hasNext()) {
                final Groups gorup = iterator.next();
                final String courseName = gorup.getCourseId() != null ? gorup.getCourseId().getName()
                        : "Nieznana grupa";
                response += (" - " + courseName + " - " + gorup.getType() + "\n");
            }

        }
        if (this.removed != null && this.removed.size() > 0) {
            response += "Usunięte grupy: \n";
            Iterator<Groups> iterator = removed.iterator();
            while (iterator.hasNext()) {
                final Groups gorup = iterator.next();
                final String courseName = gorup.getCourseId() != null ? gorup.getCourseId().getName()
                        : "Nieznana grupa";
                response += (" - " + courseName + " - " + gorup.getType() + "\n");
            }

        }
        return response;
    }
}