package com.plannaplan.entities;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;

import com.plannaplan.types.GroupType;
import com.plannaplan.types.WeekDay;

/**
 * Entity of Groups grouping of state ssociated about
 * course,time,room,capacity,type,day
 */

@Entity
public class Groups {
    private static final int DEFAULT_CLASS_TIME = 90;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    @ManyToOne
    @JoinColumn(name = "course_id")
    private Course course;
    private int time;
    private int endTime;
    private String room;
    private int capacity;
    private GroupType type;
    private WeekDay day;
    @ManyToOne
    @JoinColumn(name = "lecturer_id")
    private Lecturer lecturer;
    private String zaj_cyk_id;
    private String gr_nr;

    public Groups() {
    }

    public String getGr_nr() {
        return gr_nr;
    }

    public void setGr_nr(String gr_nr) {
        this.gr_nr = gr_nr;
    }

    public String getZaj_cyk_id() {
        return zaj_cyk_id;
    }

    public void setZaj_cyk_id(String zaj_cyk_id) {
        this.zaj_cyk_id = zaj_cyk_id;
    }


    /**
     * Groups
     * 
     * @param capacity capacity given to the groups
     * @param room     room given to the groups
     * @param course   course given to the groups
     * @param time     time given to the groups
     * @param endTime  end time of class in minutes
     * @param day      day given to the groups
     * @param lecturer lecturer given to the groups
     */
    public Groups(int capacity, String room, Course course, int time, int endTime, WeekDay day, Lecturer lecturer) {
        this.capacity = capacity;
        this.room = room;
        this.course = course;
        this.time = time;
        this.endTime = endTime;
        this.day = day;
        this.lecturer = lecturer;
        this.type = capacity >= 50 ? GroupType.LECTURE : GroupType.CLASS;
    }

    /**
     * Groups
     * 
     * @param capacity capacity given to the groups
     * @param room     room given to the groups
     * @param course   course given to the groups
     * @param time     time given to the groups
     * @param endTime  end time of class in minutes
     * @param day      day given to the groups
     * @param lecturer lecturer given to the groups
     * @param zaj_cyk_id number of class in the term
     * @param gr_nr Number of class/course
     */
    public Groups(int capacity, String room, Course course, int time, int endTime, WeekDay day, Lecturer lecturer, String zaj_cyk_id, String gr_nr) {
        this(capacity, room, course, time, endTime, day, lecturer);
        this.zaj_cyk_id = zaj_cyk_id;
        this.gr_nr = gr_nr;
    }

    /**
     * Groups
     * 
     * @param capacity capacity given to the groups
     * @param room     room given to the groups
     * @param course   course given to the groups
     * @param time     time given to the groups
     * @param day      day given to the groups
     * @param lecturer lecturer given to the groups
     * @param zaj_cyk_id number of class in the term
     * @param gr_nr Number of class/course
     */
    public Groups(int capacity, String room, Course course, int time, WeekDay day, Lecturer lecturer, String zaj_cyk_id, String gr_nr) {
        this(capacity, room, course, time, time + DEFAULT_CLASS_TIME, day, lecturer);
        this.zaj_cyk_id = zaj_cyk_id;
        this.gr_nr = gr_nr;
    }

    /**
     * Create groups with default class duration
     * 
     * @param capacity capacity given to the groups
     * @param room     room given to the groups
     * @param course   course given to the groups
     * @param time     time given to the groups
     * @param day      day given to the groups
     * @param lecturer lecturer given to the groups
     */
    public Groups(int capacity, String room, Course course, int time, WeekDay day, Lecturer lecturer) {
        this(capacity, room, course, time, time + DEFAULT_CLASS_TIME, day, lecturer);
    }

    /**
     * get time of class end
     * 
     * @return hour of class finish time in minutes
     */
    public int getEndTime() {
        return endTime;
    }

    /**
     * getId
     * 
     * @return id
     */
    public Long getId() {
        return this.id;
    }

    /**
     * getLecturer
     * 
     * @return lecturer
     */
    public Lecturer getLecturer() {
        return lecturer;
    }

    /**
     * setLecturer
     * 
     * @param lecturer set lecturer into groups
     */
    public void setLecturer(Lecturer lecturer) {
        this.lecturer = lecturer;
    }

    /**
     * WeekDay
     * 
     * @return day
     */
    public WeekDay getDay() {
        return day;
    }

    /**
     * setLecturer
     * 
     * @param day set day into groups
     */
    public void setDay(WeekDay day) {
        this.day = day;
    }

    /**
     * GroupType
     * 
     * @return type
     */
    public GroupType getType() {
        return type;
    }

    /**
     * setType
     * 
     * @param type set type into groups
     */
    public void setType(GroupType type) {
        this.type = type;
    }

    /**
     * getCapacity
     * 
     * @return capacity
     */
    public int getCapacity() {
        return capacity;
    }

    /**
     * setCapacity
     * 
     * @param capacity set capacity into groups
     */
    public void setCapacity(int capacity) {
        this.capacity = capacity;
    }

    /**
     * getRoom
     * 
     * @return room
     */
    public String getRoom() {
        return room;
    }

    /**
     * setRoom
     * 
     * @param room set room into groups
     */
    public void setRoom(String room) {
        this.room = room;
    }

    /**
     * getTime
     * 
     * @return time
     */
    public int getTime() {
        return time;
    }

    /**
     * setTime
     * 
     * @param time set time into groups
     */
    public void setTime(int time) {
        this.time = time;
    }

    /**
     * getCourseId
     * 
     * @return course
     */
    public Course getCourseId() {
        return course;
    }

    /**
     * setCourseId
     * 
     * @param courseId set courseId into groups
     */
    public void setCourseId(Course courseId) {
        this.course = courseId;
    }

    /**
     * getTimeString
     * 
     * @return time as formated String
     */
    public String getTimeString() {
        int minutes = this.getTime() % 60;
        String hoursString = Integer.toString(this.getTime() / 60);
        String minutesString = Integer.toString(minutes);
        if (minutes < 10) {
            minutesString = "0" + minutesString;
        }
        return String.format("%s.%s", hoursString, minutesString);
    }

    /**
     * gets end time formated strins
     * 
     * @return end time as formated String
     */
    public String getEndTimeString() {
        int minutes = this.getEndTime() % 60;
        String hoursString = Integer.toString(this.getEndTime() / 60);
        String minutesString = Integer.toString(minutes);
        if (minutes < 10) {
            minutesString = "0" + minutesString;
        }
        return String.format("%s.%s", hoursString, minutesString);
    }
}