package cmpt213.assignment2.packagedeliveriestracker.model;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;

import static java.lang.Math.abs;

/**
 * PackageInfo is a class that contains information about a package
 */

public class PackageInfo implements Comparable<PackageInfo> {
    private final String name;
    private final String note;
    private final double price;
    private final double weight;
    private final LocalDateTime expectedDate;
    private boolean delivered;
    private String type;

    public PackageInfo(String name, String note, double price, double weight, boolean delivered, LocalDateTime expectedDate) {
        this.name = name;
        this.note = note;
        this.price = price;
        this.weight = weight;
        this.delivered = delivered;
        this.expectedDate = expectedDate;
    }

    /**
     * This function returns the name of the person.
     *
     * @return The name of the person.
     */
    public String getName() {
        return name;
    }


    public boolean getDelivered() {
        return delivered;
    }

    /**
     * This function sets the value of the delivered variable to the value of the delivered parameter.
     *
     * @param delivered This is a boolean value that indicates whether the message has been delivered
     *                  to the recipient.
     */
    public void setDelivered(boolean delivered) {
        this.delivered = delivered;
    }

    public LocalDateTime getExpectedDate() {
        return expectedDate;
    }

    /**
     * This function sets the type of the object to the type passed in as a parameter
     *
     * @param type The type of the event.
     */
    public void setType(String type) {
        this.type = type;
    }

    // Comparing the expected date of the package to the expected date of the package passed in as a
    // parameter.
    @Override
    public int compareTo(PackageInfo p) {
        return this.expectedDate.compareTo(p.getExpectedDate());
    }

    // Overriding the toString method.
    @Override
    public String toString() {
        DateTimeFormatter format = DateTimeFormatter.ofPattern("yyy-MM-dd HH:mm");
        LocalDateTime today = LocalDateTime.now();
        today.format(format);
        long diff = ChronoUnit.DAYS.between(today, expectedDate);
        String isDelivered = delivered ? "yes" : "no";
        return "Name: " + name + "\n" + "Notes: " + note + "\n" + "Price: " + price + "\n" + "Weight: " + weight + "\n" + "Expected Delivery Date: " + DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm").format(expectedDate) + "\n" + "Delivered? " + isDelivered + "\n" + ((diff > 0 && !delivered) ? diff + " days remaining" : abs(diff) + " days overdue");
    }
}