package org.msh.etbm.db.entities;

import org.hibernate.validator.constraints.Length;
import org.msh.etbm.db.enums.MovementType;

import javax.persistence.*;
import javax.validation.constraints.NotNull;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;

/**
 * Stores information about a medicine transaction
 *
 * @author Ricardo Memoria
 */
@Entity
@Table(name = "movement")
public class Movement {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private UUID id;

    @Temporal(TemporalType.DATE)
    @Column(name = "mov_date")
    @NotNull
    private Date date;

    private MovementType type;

    @ManyToOne
    @JoinColumn(name = "PRODUCT_ID")
    @NotNull
    private Product product;

    @ManyToOne
    @JoinColumn(name = "UNIT_ID")
    @NotNull
    private Tbunit tbunit;

    @ManyToOne
    @JoinColumn(name = "SOURCE_ID")
    @NotNull
    private Source source;

    @Temporal(TemporalType.TIMESTAMP)
    @NotNull
    private Date recordDate;

    @Length(max = 250)
    private String comment;

    @OneToMany(cascade = {CascadeType.ALL}, mappedBy = "movement")
    private List<BatchMovement> batches = new ArrayList<BatchMovement>();

    @Column(length = 50)
    private String adjustmentType;


    /**
     * The available quantity in the inventory
     */
    private int availableQuantity;

    /**
     * The total price of the inventory
     */
    private double totalPriceInventory;

    private boolean header;

    public boolean isHeader() {
        return header;
    }

    public void setHeader(boolean header) {
        this.header = header;
    }

    public double getTotalPriceInventory() {
        return totalPriceInventory;
    }

    public void setTotalPriceInventory(double totalPriceInventory) {
        this.totalPriceInventory = totalPriceInventory;
    }

    public int getAvailableQuantity() {
        return availableQuantity;
    }

    public void setAvailableQuantity(int availableQuantity) {
        this.availableQuantity = availableQuantity;
    }

    /**
     * Returns adjustment type of the transaction
     *
     * @return a FieldValue representing the adjustment type
     */
    public String getAdjustmentType() {
        return adjustmentType;
    }

    public void setAdjustmentType(String adjustmentType) {
        this.adjustmentType = adjustmentType;
    }

    /**
     * Returns the remark of the transaction
     *
     * @return String containing the remarks of the transaction
     */
    public String getComment() {
        return comment;
    }

    /**
     * Changes the remark of the transaction
     *
     * @param comment - the new remark of the transaction
     */
    public void setComment(String comment) {
        this.comment = comment;
    }

    /**
     * Returns the date of the transaction
     *
     * @return instance of the Date class
     */
    public Date getDate() {
        return date;
    }

    /**
     * Changes the date of the transaction
     *
     * @param date to be changed
     */
    public void setDate(Date date) {
        this.date = date;
    }

    /**
     * Returns the unique id of the transaction
     *
     * @return Integer instance representing the id of the transaction
     */
    public UUID getId() {
        return id;
    }


    /**
     * Changes the id of the transaction
     *
     * @param id to be changed
     */
    public void setId(UUID id) {
        this.id = id;
    }

    /**
     * Returns the source of the transaction
     *
     * @return instance of the Source class
     */
    public Source getSource() {
        return source;
    }

    /**
     * Changes the source of the transaction
     *
     * @param source - the new source of the transaction
     */
    public void setSource(Source source) {
        this.source = source;
    }

    /**
     * Returns the TB unit of the transaction
     *
     * @return instance of Tbunit class
     */
    public Tbunit getTbunit() {
        return tbunit;
    }

    /**
     * Changes the TB unit of the transaction
     *
     * @param tbunit - the new TB Unit
     */
    public void setTbunit(Tbunit tbunit) {
        this.tbunit = tbunit;
    }

    /**
     * Returns the type of the transaction
     *
     * @return MovementType instance
     */
    public MovementType getType() {
        return type;
    }

    /**
     * Changes the type of the transaction
     *
     * @param type - new type of movement
     */
    public void setType(MovementType type) {
        this.type = type;
    }

    /**
     * Returns the date and time that the transaction was generated
     *
     * @return Date instance
     */
    public Date getRecordDate() {
        return recordDate;
    }

    /**
     * Changes the date and time the record was generated
     *
     * @param recordDate - the new record date
     */
    public void setRecordDate(Date recordDate) {
        this.recordDate = recordDate;
    }

    /**
     * Returns the batches movements involved in this transaction
     *
     * @return the list of instances of BachMovement class
     */
    public List<BatchMovement> getBatches() {
        return batches;
    }

    /**
     * Changes the batches involved in the transaction
     *
     * @param batches - the list of BachMovement objects of the transaction
     */
    public void setBatches(List<BatchMovement> batches) {
        this.batches = batches;
    }

    public boolean isAdjustment() {
        return this.type != null ? type.equals(MovementType.ADJUSTMENT) : false;
    }

    public boolean isDispensing() {
        return this.type != null ? type.equals(MovementType.DISPENSING) : false;
    }

    public Product getProduct() {
        return product;
    }

    public void setProduct(Product product) {
        this.product = product;
    }
}