package com.tyj.ui;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSeparator;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.SwingConstants;
import javax.swing.event.ListSelectionEvent;

import com.tyj.dao.ProductDao;
import com.tyj.dao.mysql.productDaolmp;
import com.tyj.domain.Product;

public class ProductListFrame extends MyFrametyj{
    
    private JTable table;
    private JLabel lblImage;
    private JLabel lblPrice;
    private JLabel lblBrief;
    private JLabel lblPrice1;
    
    private List<Product> products = null;
    private ProductDao pdao = new productDaolmp();
    
    private Map<String,Integer> cart = new HashMap<String,Integer>();
    private int selectedRow = -1;
    public ProductListFrame() {
        super("商品列表", 1000, 700);

        products = pdao.findAll();
        getContentPane().add(getSearchPanel(),BorderLayout.NORTH);
        JSplitPane splitPane = new JSplitPane();
        splitPane.setDividerLocation(600);
        splitPane.setLeftComponent(getLeftPanel());
        splitPane.setRightComponent(getRightPanel());
        getContentPane().add(splitPane,BorderLayout.CENTER);
    }
    //初始化右侧面板
    private JPanel getRightPanel() {
         JPanel rightPanel = new JPanel();
         rightPanel.setBackground(Color.WHITE);
         
         rightPanel.setLayout(new GridLayout(2,1,0,0));
         
         lblImage = new JLabel();
         rightPanel.add(lblImage);
         lblImage.setHorizontalAlignment(SwingConstants.CENTER);
         
         JPanel detailPanel = new JPanel();
         detailPanel.setBackground(Color.WHITE);
         rightPanel.add(detailPanel);
         detailPanel.setLayout(new GridLayout(8,1,0,5));
         
         JSeparator separator_1 = new JSeparator();
         detailPanel.add(separator_1);
         
         lblListprice = new JLabel();
         detailPanel.add(lblListprice);
         //设置字体
         lblPrice.setFont(new Font("微软雅黑",Font.PLAIN,16));
         
         lblPrice1 = new JLabel();
         detailPanel.add(lblPrice1);
         //设置字体
         lblPrice1.setFont(new Font("微软雅黑",Font.PLAIN,16));
         
         lblBrief = new JLabel();
         detailPanel.add(lblBrief);
         //设置字体
         lblDescn.setFont(new Font("微软雅黑",Font.PLAIN,16));
         
         JSeparator separator_2 = new JSeparator();
         detailPanel.add(separator_2);
         
         JButton btnAdd = new JButton("添加到购物车");
         btnAdd.setFont(new Font("微软雅黑",Font.PLAIN,15));
         detailPanel.add(btnAdd);
         
         //布局占位使用
         JLabel lb1 =new JLabel("");
         detailPanel.add(lb1);
         
         JButton btnCheck = new JButton("查看购物车");
         btnCheck.setFont(new Font("微软雅黑",Font.PLAIN,15));
         detailPanel.add(btnCheck);
         
         //注册【添加到购物车】按钮的ActionEvent事件监听器
         btnAdd.addActionListener(e ->{
        	 
        	 if(selectedRow < 0) {
        		 return;
        	 }
        //添加商品到购物车处理
        	 Product selectProduct = products.get(selectedRow);
        	 String productid = selectProduct.getProductid();
        	 
        	 if(cart.containsKey(productid)) {//购物车中已经有该商品
        		 //获得商品数量
        		 Integer quantity = cart.get(productid);
        		 cart.put(productid, ++quantity);
        		 }else {//购物车中还没有还商品
        			 cart.put(productid, 1); 
        		 }
        	 System.out.println(cart);
         });
         

         btnCheck.setFont(new Font("Microsoft YaHei UI",Font.PLAIN,15));
         detailPanel.add(btnAdd);
         
         JButton btnCheck1 = new JButton("\u67E5\u7788\u8D2D\u7269\u8F66");
                  //注册【查看购物车】按钮的ActionEvent事件监听器
         //查看购物车
         btnCheck1.addActionListener(e -> {
        	 CartFrame cartFrame=new CartFrame(cart,this);
        	 cartFrame.setVisible(true);
        	 this.setVisible(false);
         });
         btnCheck1.setFont(new Font("Microsoft YaHei UI",Font.PLAIN,15));
         detailPanel.add(btnCheck1);

         return rightPanel;
    }
    //初始化左侧面板
    private JScrollPane getLeftPanel() {
    	JScrollPane leftScrollPane = new JScrollPane();
    	//将表格作为滚动面板的各个视口试图
    	leftScrollPane.setViewportView(getTable());
    	return leftScrollPane;
    }
    //初始化左侧面板中的表格控件
    private JTable getTable() {
    	ProductTableModel model = new ProductTableModel(this.products);
    	
    	if(table == null) {
    		table  = new JTable(model);
    		//设置表中内容字体
    		table.setFont(new Font("微软雅黑",Font.PLAIN,16));
    		//设置表列标题字体
    		table.getTableHeader().setFont(new Font("微软雅黑",Font.BOLD,16));
    		//设置表行高
    		table.setRowHeight(51);
    		table.setRowSelectionAllowed(true);
    		table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    		ListSelectionModel rowSelectionModel = table.getSelectionModel();
    		
    		rowSelectionModel.addListSelectionListener(e ->{
    			
    			//只处理鼠标释放
    			if(e.getValueIsAdjusting()) {
    				return;
    			}
    			ListSelectionModel lsm = (ListSelectionModel) e.getSource();
    			selectedRow = lsm.getMinSelectionIndex();
    			if(selectedRow < 0) {
    				return;
    			}
    			//更新右侧面板内容
    			
    			
    			
    			
    			int selectedRow = table.convertRowIndexToModel(e.getFirstIndex());
    			Product p = products.get(selectedRow);
    			String petImage = String.format("/images/%s",p.getImage());
    			ImageIcon icon = new ImageIcon(ProductListFrame.class.getResource(petImage));
    			lblImage.setIcon(icon);
    			
    			String descn = p.getDescn();
    			lblDescn.setText("菜品介绍"+ brief);
    			
    			double price = p.getPrice();
    			String sprice = String.format("菜品市场价：%.2f",price);
    			lblListprice.setText(sprice);
    			
    			double price1 = p.getPrice1();
    			String slblPrice1 = String.format("商品会员价：%.2f",price1);
    			lblUnitcost.setText(slblPrice1);
    		});
    	}else {
    		table.setModel(model);
    	}
    	return table;
    }
  //初始化搜索面板
    private JPanel getSearchPanel() {

    JPanel searchPanel = new JPanel();
    FlowLayout flowLayout = (FlowLayout) searchPanel.getLayout();
    flowLayout.setVgap(20);
    flowLayout.setHgap(40);
    
    JLabel lbl = new JLabel("请选择菜类别：");
    lbl.setFont(new Font("微软雅黑",Font.PLAIN,15));
    searchPanel.add(lbl);
    
    String[] categorys= {"荤菜","素菜"};
    
	JComboBox comboBox = new JComboBox(categorys);
    comboBox.setFont(new Font("微软雅黑",Font.PLAIN,15));
    searchPanel.add(comboBox);
    
    JButton btnGo = new JButton("查询");
	btnGo.setFont(new Font("微软雅黑", Font.PLAIN, 15));
	searchPanel.add(btnGo);

    JButton btnReset = new JButton("重置");
    btnReset.setFont(new Font("微软雅黑",Font.PLAIN,15));
    searchPanel.add(btnReset);
    
    
    //注册查询按钮的ActionEvent事件监听器
    btnGo.addActionListener(e ->{
    	//所选择的类别
    	String category = (String) comboBox.getSelectedItem();
    	//按照类别查询
    	products = pdao.findCategory(category);
    	ProductTableModel model = new ProductTableModel(products);
    	table.setModel(model);
    });
 // 注册重置按钮的ActionEvent事件监听器
 		btnReset.addActionListener(e -> {
 			products = pdao.findAll();
 			ProductTableModel model = new ProductTableModel(products);
 			table.setModel(model);
 		});

    
    return searchPanel;


}}