Viết chương trình sau :

2020-04-08 11:28:29

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QLBH;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Admin
 */
public class Manager {
    Scanner scan = new Scanner(System.in);
    List<Category> listCate = new ArrayList<>();
    List<Product> listPro = new ArrayList<>();
    List<Product> listSell = new ArrayList<>();
    List<Product> listInventory = new ArrayList<>();
    List<Product> listEndDate = new ArrayList<>();
    List<Product> listRest = new ArrayList<>();
    List<Product> listAlmostEndDate = new ArrayList<>();

    public Manager() {
      
    }

    public void importCategory() {
        System.out.println("Nhap N danh muc muon nhap :");
        int n = Integer.parseInt(scan.nextLine());
        
       
        for (int i = 0; i < n; i++) {
            Category category = new Category();
            category.inputCategory();
            listCate.add(category);
        }
        listCate.forEach((listCate1) -> {
            listCate1.display();
        });

    }

    public void inputProduct() {
        System.out.println("Nhap N san pham muon them : ");
        int n = Integer.parseInt(scan.nextLine());
        for (int i = 0; i < n; i++) {
            Product product = new Product();
            product.inputProduct(listCate);
            listPro.add(product);
        }
        System.out.println("danh sach cac san pham da nhap");
        listPro.forEach((product) -> {
            product.displayProduct();
        });
    }

   
    public void Sell() {

        listPro.stream().filter((product1) -> (!"".equals(product1.getOutputDate()))).forEachOrdered((product1) -> {
            listSell.add(product1);
        });
        System.out.println("Danh sach san pham da ban :");
        for (int i = 0; i < listSell.size(); i++) {
            listSell.get(i).displayProduct();
        }

    }

   
    public void Inventory() {
        System.out.println("Danh sach san pham ton kho : ");
        listPro.stream().filter((product1) -> ("".equals(product1.getOutputDate()))).map((product1) -> {
            listInventory.add(product1);
            return product1;
        }).forEachOrdered((product1) -> {
            product1.displayProduct();
        });
    }

    public int EndDate(String d1) {
        try {
            SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
            int detDiff = 0;
            boolean check = false;
            
            Date curent = new Date();
            String nowDate = sdf.format(curent);
            Date date1 = sdf.parse(d1);
            Date date2 = sdf.parse(nowDate);

            detDiff = (int) (date2.getTime() - date1.getTime());
            detDiff = detDiff / (24 * 60 * 60 * 1000);     
        } catch (ParseException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        }
         return 0;
    }



    public void Rest() {

        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
        for (int i = 0; i < listRest.size(); i++) {
            if (EndDate(listRest.get(i).getDateEnd()) > 0) {
                listEndDate.add(listRest.get(i));
            } else {
                listRest.add(listInventory.get(i));
            }
        }
        System.out.println("Danh sach cac san pham het han:");
        listEndDate.forEach((product) -> {
            product.displayProduct();
        });
    }

    
    public void AlmostEndDate() {
        int count = 0;
        for (Product product : listRest) {
            if (EndDate(product.getDateEnd()) <= 7) {
                count++;
                listAlmostEndDate.add(product);
            }
        }
        if (count != 0) {

            System.out.println("Danh sach san pham sap het han su dung : ");
            listAlmostEndDate.forEach((product) -> {
                product.displayProduct();
            });
        } else {
            System.out.println("Khong co san pham nao sap het HSD !!!");
        }
    }

  //search
    public void SearchProduct() {
        int count = 0;
        System.out.println("Nhap ten san pham can tim : ");
        String findName = scan.nextLine();
        System.out.println("Ket qua: " + findName);
        for (int i = 0; i < listPro.size(); i++) {
            if (findName.equalsIgnoreCase(listPro.get(i).getNamePro())) {
                listPro.get(i).displayProduct();
                count++;
            }
        }
        System.out.println("So luong la : " + count);
    }

    // save file
    public void SaveFileListSell() {
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\sell.dat";
        saveFile(url, listSell);
    }

    public void readFileListSell() {
        listSell.clear();
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\sell.dat";
        readFile(url, listSell);
        System.out.println("Danh sach sp da ban");
        listSell.forEach((product) -> {
            product.displayProduct();
        });
    }

    public void SaveFileListEndDate() {
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\expire.dat";
        saveFile(url, listEndDate);
    }

    public void readFileListEndDate() {
        listEndDate.clear();
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\expire.dat";
        readFile(url, listEndDate);
        System.out.println("Danh sach san pham het han su dung");
        listEndDate.forEach((product) -> {
            product.displayProduct();
        });
    }

    
    public void saveFileRest() {
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\product.dat";
        saveFile(url, listRest);
    }

    public void readFileRest() {
        listRest.clear();
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\product.dat";
        saveFile(url, listRest);
        System.out.println("Danh sach sp con lai:");
        listRest.forEach((product) -> {
            product.displayProduct();
        });
    }

    public void saveFile(String url, List<Product> listobject) {
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;

        try {
            fos = new FileOutputStream(url);
            bos = new BufferedOutputStream(fos);

            for ( Product listobject1 : listobject) {
                String line = listobject1.formatLine();
                byte[] b;
                b = line.getBytes("utf8");
                bos.write(b);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bos != null) {
                    bos.close();
                }
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    
    public void readFile(String url, List<Product> listPro) {
        FileReader reader = null;
        BufferedReader bufferedReader = null;

        try {
            reader = new FileReader(url);
            bufferedReader = new BufferedReader(reader);

            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                Product product = new Product();
                product.getLine(line);
                listPro.add(product);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    // luu file danh muc
    public void saveFileCategory() {
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\category.dat";
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;

        try {
            fos = new FileOutputStream(url);
            bos = new BufferedOutputStream(fos);

            for (Category category : listCate) {
                String line = category.formatLine();
                byte[] b;
                b = line.getBytes("utf8");
                bos.write(b);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bos != null) {
                    bos.close();
                }
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    public void readFileCategory() {
        listCate.clear();
        String url = "C:\\Users\\Admin\\Documents\\NetBeensProjects\\FPTAPTECH\\QuanLiBanHang\\category.dat";
        FileReader reader = null;
        BufferedReader bufferedReader = null;

        try {
            reader = new FileReader(url);
            bufferedReader = new BufferedReader(reader);

            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                Category category = new Category();
               category.getLine(line);
                listCate.add(category);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        System.out.println("Danh sach danh muc san pham");
        listCate.forEach((cate1) -> {
            cate1.display();
        });
    }

}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QLBH;

import java.util.Scanner;

/**
 *
 * @author PhiNong
 */
public class Category {

    String IdCate, NameCate;

    public Category() {
    }

    public Category(String IdCate, String NameCate) {
        this.IdCate = IdCate;
        this.NameCate = NameCate;
    }

    public String getIdCate() {
        return IdCate;
    }

    public void setIdCate(String IdCate) {
        this.IdCate = IdCate;
    }

    public String getNameCate() {
        return NameCate;
    }

    public void setNameCate(String NameCate) {
        this.NameCate = NameCate;
    }

    @Override
    public String toString() {
        return "Category{" + "IdCate=" + IdCate + ", NameCate=" + NameCate + '}';
    }

    public void display() {
        System.out.println(toString());
    }

    public void inputCategory() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Moi ban nhap ma danh muc : ");
        IdCate = scan.nextLine();
        System.out.println("Moi ban nhap ten danh muc : ");
        NameCate = scan.nextLine();
    }

    String formatLine() {
        return IdCate + "," + NameCate + "\n";
    }

    void getLine(String line) {
        line = line.trim();
        String[] data = line.split(",");
        if (data.length < 2) {
            System.out.println("Data error");
            return;
        }
        this.IdCate = data[0];
        this.NameCate = data[1];
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QLBH;

import java.util.List;
import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class Product {

    String IdPro, maDanhMuc, price;
    String NamePro, inputDate, outputDate, dateEnd, describe;

    public Product() {
    }

    public Product(String IdPro, String maDanhMuc, String price, String NamePro, String inputDate, String outputDate, String dateEnd, String describe) {
        this.IdPro = IdPro;
        this.maDanhMuc = maDanhMuc;
        this.price = price;
        this.NamePro = NamePro;
        this.inputDate = inputDate;
        this.outputDate = outputDate;
        this.dateEnd = dateEnd;
        this.describe = describe;
    }

    public String getIdPro() {
        return IdPro;
    }

    public void setIdPro(String IdPro) {
        this.IdPro = IdPro;
    }

    public String getMaDanhMuc() {
        return maDanhMuc;
    }

    public void setMaDanhMuc(String maDanhMuc) {
        this.maDanhMuc = maDanhMuc;
    }

    public String getPrice() {
        return price;
    }

    public void setPrice(String price) {
        this.price = price;
    }

    public String getNamePro() {
        return NamePro;
    }

    public void setNamePro(String NamePro) {
        this.NamePro = NamePro;
    }

    public String getInputDate() {
        return inputDate;
    }

    public void setInputDate(String inputDate) {
        this.inputDate = inputDate;
    }

    public String getOutputDate() {
        return outputDate;
    }

    public void setOutputDate(String outputDate) {
        this.outputDate = outputDate;
    }

    public String getDateEnd() {
        return dateEnd;
    }

    public void setDateEnd(String dateEnd) {
        this.dateEnd = dateEnd;
    }

    public String getDescribe() {
        return describe;
    }

    public void setDescribe(String describe) {
        this.describe = describe;
    }

    @Override
    public String toString() {
        return "Product{" + "IdPro=" + IdPro + ", maDanhMuc=" + maDanhMuc + ", price=" + price + ", NamePro=" + NamePro + ", inputDate=" + inputDate + ", outputDate=" + outputDate + ", dateEnd=" + dateEnd + ", describe=" + describe + '}';
    }

    public void inputProduct(List<Category> Category) {
        Scanner scan = new Scanner(System.in);
        System.out.println("Moi ban nhap ma san pham : ");
        IdPro = scan.nextLine();
        while (true) {
            System.out.println("Moi ban nhap ma danh muc : ");
            maDanhMuc = scan.nextLine();
            boolean check = false;
            for (Category Category1 : Category) {
                if (Category1.getIdCate().equalsIgnoreCase(maDanhMuc)) {
                    check = true;
                    break;
                }
            }
            if (check) {
                break;
            } else {
                System.err.println("Ma danh muc nay khong ton tai !!!");
            }
        }
        System.out.println("Moi ban nhap gia san pham : ");
        NamePro = scan.nextLine();
        System.out.println("Moi ban nhap gia san pham : ");
        price = scan.nextLine();
        System.out.println(" Ngay nhap san pham : ");
        inputDate = scan.nextLine();
        System.out.println("Nhap ngay ban san pham :");
        outputDate = scan.nextLine();
        System.out.println("Nhap han su dung:");
        dateEnd = scan.nextLine();
        System.out.println("Nhap mo ta san pham : ");
        describe = scan.nextLine();
    }

    public void displayProduct() {
        System.out.println(toString());
    }

    public String formatLine() {
        return IdPro + "," + maDanhMuc + "," + NamePro + "," + price + "," + inputDate + "," + outputDate + "," + dateEnd + "," + describe + "\n";
    }

    void getLine(String line) {
        line = line.trim();
        String[] data = line.split(",");
        if (data.length < 8) {
            System.out.println("Data error");
            return;
        }
        this.IdPro = data[0];
        this.maDanhMuc = data[1];
        this.NamePro = data[2];
        this.price = data[3];
        this.inputDate = data[4];
        this.outputDate = data[5];
        this.dateEnd = data[6];
        this.describe = data[7];
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QLBH;

import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class Main {
     public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Manager manager = new Manager();

        int choose;
        do {
            showmenu();
            choose = Integer.parseInt(sc.nextLine());
            switch (choose) {
                case 1:
                    System.out.println("Hay nhap thong tin danh muc");
                    manager.importCategory();
                    break;
                case 2:
                    System.out.println("Hay nhap thong tin san pham");
                    manager.inputProduct();
                    break;
                case 3:
                    System.out.println("In ra danh sach casc san pham da ban ");
                    manager.Sell();
                    break;
                case 4:
                    System.out.println("In ra danh sach sasn pham con ton kho");
                    manager.Inventory();
                    break;
                case 5:
                    System.out.println("In ra danh sach san pham da qua han su dung");
                    manager.Rest();
                    break;
                case 6:
                    System.out.println("In ra ds casc san pham sap het han su dung");
                    manager.AlmostEndDate();
                    break;
                case 7:
                    System.out.println("TIM KIEM");
                    manager.SearchProduct();
                    break;
                case 8:
                    System.out.println("Da luu file thanh cong");
                    manager.SaveFileListSell();
                    manager.SaveFileListEndDate();
                    manager.saveFileRest();
                    manager.saveFileCategory();
                    break;
                case 9:
                    System.out.println("Da doc file hoan tat");
                    manager.readFileListSell();
                    manager.readFileListEndDate();
                    manager.readFileRest();
                    manager.readFileCategory();
                    break;
                case 10:
                    System.out.println("PP");
                    break;
                default:
                    System.out.println("Nhap lai di ban ei");
                    
            }
        } while (choose != 0);

    }

    static void showmenu() {
        System.out.println("1 : Nhap thong tin danh muc");
        System.out.println("2 : Nhap thong tin san pham");
        System.out.println("3 : In danh sach cac san pham da ban");
        System.out.println("4 : In danh sach cac san pham con ton tai trong kho");
        System.out.println("5 : In danh sach cac san pham da qua han su dung");
        System.out.println("6 : In ra danh sach cac san pham sap het han su dung");
        System.out.println("7 : Tim kiem san pham");
        System.out.println("8 : Luu du lieu vao file");
        System.out.println("9 : Doc du lieu tu file va  luu ra chuong trinh");
        System.out.println("10 : Thoat");
        System.out.println("Chooose: ");
    }
}

2020-04-08 05:54:18

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QuanLiBanHang;

import java.util.Scanner;

/**
 *
 * @author Thien Phu
 */
public class DanhMucSP {

    String idDanhMuc, nameDanhMuc;

    public DanhMucSP() {
    }

    public DanhMucSP(String idDanhMuc, String nameDanhMuc) {
        this.idDanhMuc = idDanhMuc;
        this.nameDanhMuc = nameDanhMuc;
    }

    public void setIdDanhMuc(String idDanhMuc) {
        this.idDanhMuc = idDanhMuc;
    }

    public void setNameDanhMuc(String nameDanhMuc) {
        this.nameDanhMuc = nameDanhMuc;
    }

    public String getIdDanhMuc() {
        return idDanhMuc;
    }

    public String getNameDanhMuc() {
        return nameDanhMuc;
    }

    @Override
    public String toString() {
        return "DanhMucSP{" + "idDanhMuc=" + idDanhMuc + ", nameDanhMuc=" + nameDanhMuc + '}';
    }

    public void display() {
        System.out.println(toString());
    }

    public void inputDM() {
        Scanner sc = new Scanner(System.in);
        System.out.println("Nhap ma danh muc");
        idDanhMuc = sc.nextLine();
        System.out.println("Nhap ten danh muc");
        nameDanhMuc = sc.nextLine();
    }

    String formatLine() {
        return idDanhMuc + "," + nameDanhMuc + "\n";
    }

    void getLine(String line) {
        line = line.trim();
        String[] data = line.split(",");
        if (data.length < 2) {
            System.out.println("Data error");
            return;
        }
        this.idDanhMuc = data[0];
        this.nameDanhMuc = data[1];
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QuanLiBanHang;

import java.util.List;
import java.util.Scanner;

/**
 *
 * @author Thien Phu
 */
public class SanPham {

    String idSp, maDanhMuc;
    String nameSp, price;
    String inputdate, outputdate, hsd, mota;

    public SanPham() {
    }

    public SanPham(String idSp, String maDanhMuc, String nameSp, String price, String inputdate, String outputdate, String hsd, String mota) {
        this.idSp = idSp;
        this.maDanhMuc = maDanhMuc;
        this.nameSp = nameSp;
        this.price = price;
        this.inputdate = inputdate;
        this.outputdate = outputdate;
        this.hsd = hsd;
        this.mota = mota;
    }

    public void inputSp(List<DanhMucSP> dm) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Nhap ma san pham");
        idSp = sc.nextLine();
        while (true) {
            System.out.println("Nhap ma danh muc");
            maDanhMuc = sc.nextLine();
            boolean check = false;
            for (DanhMucSP dm1 : dm) {
                if (dm1.getIdDanhMuc().equalsIgnoreCase(maDanhMuc)) {
                    check = true;
                    break;
                }
            }
            if (check) {
                break;
            } else {
                System.err.println("Ma danh muc khong ton tai");
            }
        }
        //trường hợp nhập dữ liệu vào 100% là đúng
        System.out.println("Nhap ten san pham: ");
        nameSp = sc.nextLine();
        System.out.println("Nhap gia san pham");
        price = sc.nextLine();
        
        System.out.println("Nhap ngay nhap san pham(dd-MM-yyyy)");
        inputdate = sc.nextLine();
        // nếu chưa bán đc thì nhập để rỗng
        System.out.println("Nhap ngay ban san pham(dd-MM-yyyy)");
        outputdate = sc.nextLine();
        System.out.println("Nhap han su dung(dd-MM-yyyy)");
        hsd = sc.nextLine();
        System.out.println("Nhap mo ta san pham");
        mota = sc.nextLine();

    }

    public String getIdSp() {
        return idSp;
    }

    public void setIdSp(String idSp) {
        this.idSp = idSp;
    }

    public String getMaDanhMuc() {
        return maDanhMuc;
    }

    public void setMaDanhMuc(String maDanhMuc) {
        this.maDanhMuc = maDanhMuc;
    }

    public String getNameSp() {
        return nameSp;
    }

    public void setNameSp(String nameSp) {
        this.nameSp = nameSp;
    }

    public String getPrice() {
        return price;
    }

    public void setPrice(String price) {
        this.price = price;
    }

    public String getInputdate() {
        return inputdate;
    }

    public void setInputdate(String inputdate) {
        this.inputdate = inputdate;
    }

    public String getOutputdate() {
        return outputdate;
    }

    public void setOutputdate(String outputdate) {
        this.outputdate = outputdate;
    }

    public String getHsd() {
        return hsd;
    }

    public void setHsd(String hsd) {
        this.hsd = hsd;
    }

    public String getMota() {
        return mota;
    }

    public void setMota(String mota) {
        this.mota = mota;
    }

    @Override
    public String toString() {
        return "SanPham{" + "idSp=" + idSp + ", maDanhMuc=" + maDanhMuc + ", nameSp=" + nameSp + ", price=" + price + ", inputdate=" + inputdate + ", outputdate=" + outputdate + ", hsd=" + hsd + ", mota=" + mota + '}';
    }

    public void displaySq() {
        System.out.println(toString());
    }

    public String formatLine() {
        return idSp + "," + maDanhMuc + "," + nameSp + "," + price + "," + inputdate + "," + outputdate + "," + hsd + "," + mota + "\n";
    }

    void getLine(String line) {
        line = line.trim();
        String[] data = line.split(",");
        if (data.length < 8) {
            System.out.println("Data error");
            return;
        }
        this.idSp = data[0];
        this.maDanhMuc = data[1];
        this.nameSp = data[2];
        this.price = data[3];
        this.inputdate = data[4];
        this.outputdate = data[5];
        this.hsd = data[6];
        this.mota = data[7];
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QuanLiBanHang;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Thien Phu
 */
public class Manage {

    private static Scanner sc = new Scanner(System.in);
    List<DanhMucSP> listDanhMuc;
    List<SanPham> listSp;
    List<SanPham> listSell;
    List<SanPham> listTonkho;
    List<SanPham> listHetHSD;
    List<SanPham> listSpConLai;// la nhung sp chưa bán dc và chưa hết hạn
    List<SanPham> listSpSapHSD;

    public Manage() {
        listDanhMuc = new ArrayList<>();
        listSp = new ArrayList<>();
        listSell = new ArrayList<>();
        listTonkho = new ArrayList<>();
        listHetHSD = new ArrayList<>();
        listSpConLai = new ArrayList<>();
        listSpSapHSD = new ArrayList<>();
    }

    public void nhapDm() {
        System.out.println("Nhap N danh muc muốn nhập:");
        int n = Integer.parseInt(sc.nextLine());
        for (int i = 0; i < n; i++) {
            DanhMucSP dm = new DanhMucSP();
            dm.inputDM();
            listDanhMuc.add(dm);
        }
        for (DanhMucSP listDanhMuc1 : listDanhMuc) {
            listDanhMuc1.display();
        }

    }

    public void inputSanpham() {
        System.out.println("Nhap N san pham muốn thêm vào :");
        int n = Integer.parseInt(sc.nextLine());
        for (int i = 0; i < n; i++) {
            SanPham sp = new SanPham();
            sp.inputSp(listDanhMuc);
            listSp.add(sp);
        }
        System.out.println("danh sach cac san pham da nhap");
        for (SanPham sp : listSp) {
            sp.displaySq();
        }
    }

    //ds cac san pham da ban
    public void spSell() {

        for (SanPham sanpham1 : listSp) {
            if (!"".equals(sanpham1.getOutputdate())) {
                listSell.add(sanpham1);
            }
        }
        System.out.println("Danh sách sản phẩm đã bán:");
        for (int i = 0; i < listSell.size(); i++) {
            listSell.get(i).displaySq();
        }

    }

    //ds san pham ton kho
    public void spTonkho() {
        System.out.println("Danh sách sản phẩm tồn kho:");
        for (SanPham sanpham1 : listSp) {
            if ("".equals(sanpham1.getOutputdate())) {
                listTonkho.add(sanpham1);
                sanpham1.displaySq();
            }
        }
    }

    public int checkHsd(String d1) {
        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
        int detDiff = 0;
        boolean check = false;
        try {
            // String ngay = "2020-04-01";
            Date curent = new Date();
            String nowDate = sdf.format(curent);
            Date date1 = sdf.parse(d1);
            Date date2 = sdf.parse(nowDate);

            detDiff = (int) (date2.getTime() - date1.getTime());
            detDiff = detDiff / (24 * 60 * 60 * 1000);
            // System.out.println("Date khoangcach: " + detDiff);

        } catch (ParseException ex) {
            Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, ex);
        }
        return detDiff;
    }

    //danh sach san pham da qua han su dung
    //chỉ check những thằng chưa bán dc để kiểm tra xem hét hạn chưa
    public void dsSpHetHan() {

        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
        for (int i = 0; i < listTonkho.size(); i++) {
            if (checkHsd(listTonkho.get(i).getHsd()) > 0) {
                listHetHSD.add(listTonkho.get(i));
            } else {
                //thằng nào chưa hết hạn ném vào danh sách sp còn lại chưa bán chưa hết hạn
                listSpConLai.add(listTonkho.get(i));
            }
        }
        System.out.println("Danh sach cac san pham het han:");
        for (SanPham sp : listHetHSD) {
            sp.displaySq();
        }
    }

    //tim danh sach san pham sap het hạn.check ngày hiện tại  so vs ngày sử dụng <=7 thì cho vào ds sắp hét hạn
    public void sanphamSapHSD() {
// ti sua lai
        int count = 0;
        for (SanPham sp : listSpConLai) {
            if (checkHsd(sp.getHsd()) < 0 && checkHsd(sp.getHsd())>= -7 ) {
                count++;
                listSpSapHSD.add(sp);
            }
        }
        if (count != 0) {

            System.out.println("Danh sách sản phẩm sắp hết hạn sử dụng");
            for (SanPham sp1 : listSpSapHSD) {
                sp1.displaySq();
            }
        } else {
            System.out.println("Không có sản phẩm nào sắp hết hạn sử dụng");
        }
    }

    // tim kiem >> nhap ten san pham
    public void findSp() {
        int count = 0;
        System.out.println("Nhap ten san pham can tim: ");
        String findName = sc.nextLine();
        System.out.println("Ket qua: " + findName);
        for (int i = 0; i < listSp.size(); i++) {
            if (findName.equalsIgnoreCase(listSp.get(i).getNameSp())) {
                listSp.get(i).displaySq();
                count++;
            }
        }
        System.out.println("So luong: " + count);
    }

    // luu du lieu xuong file
    public void SaveFilelistSpdaban() {
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\sell.dat";
        saveFile(url, listSell);
    }

    public void readFileSpSell() {
        listSell.clear();
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\sell.dat";
        readFile(url, listSell);
        System.out.println("Danh sach sp da ban");
        for (SanPham sp : listSell) {
            sp.displaySq();
        }
    }

    public void SaveFileListHetHSd() {
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\expire.dat";
        saveFile(url, listHetHSD);
    }

    public void readFileListHetHSd() {
        listHetHSD.clear();
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\expire.dat";
        readFile(url, listHetHSD);
        System.out.println("Danh sach san pham het han su dung");
        for (SanPham sp : listHetHSD) {
            sp.displaySq();
        }
    }

    //luu xuong file list ds san pham con lai:cac sp chưa bán và chưa hêt hạn
    public void saveFileSpconlai() {
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\product.dat";
        saveFile(url, listSpConLai);
    }

    public void readFileSpconlai() {
        listSpConLai.clear();
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\product.dat";
        saveFile(url, listSpConLai);
        System.out.println("Danh sach sp con lai:");
        for (SanPham sp : listSpConLai) {
            sp.displaySq();
        }
    }

    public void saveFile(String url, List<SanPham> listobject) {
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;

        try {
            fos = new FileOutputStream(url);
            bos = new BufferedOutputStream(fos);

            for (SanPham listobject1 : listobject) {
                String line = listobject1.formatLine();
                byte[] b;
                b = line.getBytes("utf8");
                bos.write(b);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bos != null) {
                    bos.close();
                }
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    //doc data tu file va hien thi len chuong trinh
    public void readFile(String url, List<SanPham> listSp) {
        FileReader reader = null;
        BufferedReader bufferedReader = null;

        try {
            reader = new FileReader(url);
            bufferedReader = new BufferedReader(reader);

            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                SanPham sp = new SanPham();
                sp.getLine(line);
                listSp.add(sp);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    // luu file danh muc
    public void saveFileDm() {
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\category.dat";
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;

        try {
            fos = new FileOutputStream(url);
            bos = new BufferedOutputStream(fos);

            for (DanhMucSP dm : listDanhMuc) {
                String line = dm.formatLine();
                byte[] b;
                b = line.getBytes("utf8");
                bos.write(b);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bos != null) {
                    bos.close();
                }
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    public void readFileDm() {
        listDanhMuc.clear();
        String url = "D:\\baitapjava\\JavaNangCao\\src\\QuanLiBanHang\\category.dat";
        FileReader reader = null;
        BufferedReader bufferedReader = null;

        try {
            reader = new FileReader(url);
            bufferedReader = new BufferedReader(reader);

            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                DanhMucSP dm = new DanhMucSP();
                dm.getLine(line);
                listDanhMuc.add(dm);
            }
        } catch (FileNotFoundException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Manage.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        System.out.println("Danh sach danh muc san pham");
        for (DanhMucSP listDanhMuc1 : listDanhMuc) {
            listDanhMuc1.display();
        }
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package QuanLiBanHang;

import java.util.Scanner;

/**
 *
 * @author Thien Phu
 */
public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Manage manage = new Manage();

        int choose;
        do {
            showmenu();
            choose = Integer.parseInt(sc.nextLine());
            switch (choose) {
                case 1:
                    manage.nhapDm();
                    break;
                case 2:
                    manage.inputSanpham();
                    break;
                case 3:
                    manage.spSell();
                    break;
                case 4:
                    manage.spTonkho();
                    break;
                case 5:
                    manage.dsSpHetHan();
                    break;
                case 6:
                    manage.sanphamSapHSD();
                    break;
                case 7:
                    manage.findSp();
                    break;
                case 8:
                    manage.SaveFilelistSpdaban();
                    manage.SaveFileListHetHSd();
                    manage.saveFileSpconlai();
                    manage.saveFileDm();
                    break;
                case 9:
                    manage.readFileSpSell();
                    manage.readFileListHetHSd();
                    manage.readFileSpconlai();
                    manage.readFileDm();
                    break;
                case 0:
                    System.out.println("Thoat thanh cong");
                    break;
                default:
                    System.out.println("Nhap lai di");
                    break;
            }
        } while (choose != 0);

    }

    static void showmenu() {
        System.out.println("1: Nhap thong tin danh muc");
        System.out.println("2: Nhap thong tin san pham");
        System.out.println("3: In danh sach cac san pham da ban");
        System.out.println("4: In danh sach cac san pham con ton tai trong kho");
        System.out.println("5: In danh sach cac san pham da qua han su dung");
        System.out.println("6: In ra danh sach cac san pham sap het han su dung");
        System.out.println("7: Tim kiem san pham");
        System.out.println("8 Luu du lieu vao file");
        System.out.println("9: Doc du lieu tu file va  luu ra chuong trinh");
        System.out.println("0: Thoat");
        System.out.println("Chooose: ");
    }
}