package ksiazka.kucharska;

import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.List;

import javax.imageio.ImageIO;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import db.SearchRecipeAll;
import db.Cookbook;
import db.SearchRecipe;
import db.SearchRecipeNameTag;

public class CB_Controller {
	private static CB_View theView;
	private static CB_Model theModel;

	public CB_Controller(CB_View theView, CB_Model theModel) {
		CB_Controller.theView = theView;
		CB_Controller.theModel = theModel;
		CB_Controller.theView.addListener(new AddListener());
		CB_Controller.theView.delListener(new DelListener());
		CB_Controller.theView.loadListener(new LoadListener());
		CB_Controller.theView.cancelListener(new CancelListener());
		CB_Controller.theView.saveListener(new SaveListener());
		CB_Controller.theView.listSelectListener(new SelectionListener());
		CB_Controller.theView.searchTypeListener(new SearchListener());
	}
	
	public void fillList(){
		Cookbook myCb = new Cookbook();
		SearchRecipe sr;
		if (theView.getSearchValue() != "") { 
			sr = new SearchRecipeNameTag(theView);
		}
		else
		{
			sr = new SearchRecipeAll(theView);
		}
		List<String> names = sr.obtainRecipeNames();
		
		theView.setRecipesList(names);
		myCb.closeConnection();
	}
	public static void fillComponents(String name){
		Cookbook myCb = new Cookbook();
		theModel = myCb.selectRecipe(name);
		theView.setRecipeTitle(theModel.getName());
		theView.setRecipeIngredients(theModel.getIngredients());
		theView.setRecipeDescription(theModel.getDescription());
		theView.setRecipeTags(theModel.getTags());
		theView.setRecipeIcon(theModel.getImage());
		theView.resetCaretPositions();
		myCb.closeConnection();
	}
	public static void addNewRecipe(){
		Cookbook myCb = new Cookbook();
		
		RecipeManager rm = new RecipeManager();
		rm.setRecipeBuilder(new NewRecipeBuilder(theView));
		rm.constructRecipe();
		
		CB_Model obj = rm.getRecipe();
		myCb.insertRecipe(obj);
		
		myCb.closeConnection();
	}
	public static void removeRecipe(String name){
		Cookbook myCb = new Cookbook();
		myCb.deleteRecipe(name);
		myCb.closeConnection();
	}
	public ImageIcon resizeImage(File f) {
		//File file = f;
		ImageIcon iconLogo=null;
		try {
			BufferedImage srcImg = ImageIO.read(f);
			int w = (int)Math.ceil(srcImg.getWidth()/(double)srcImg.getHeight()*theView.getImgRecipe().getHeight());
										
			BufferedImage resizedImg = new BufferedImage(w, theView.getImgRecipe().getHeight(), BufferedImage.TYPE_INT_ARGB);
			Graphics2D g2 = resizedImg.createGraphics();
			g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
			g2.drawImage(srcImg, 0, 0, w, theView.getImgRecipe().getHeight(), null);
			g2.dispose();
			iconLogo = new ImageIcon(resizedImg);
			
			
		} catch (IOException e1) {
			e1.printStackTrace();
		}
		return iconLogo; 
	}
	
	class AddListener implements ActionListener{

		public void actionPerformed(ActionEvent e) {

			try{
				theView.ActivateAddMenu();
			}

			catch(NumberFormatException ex){
				ex.printStackTrace();	
			}		
		}	
	}
	
	class DelListener implements ActionListener{

		public void actionPerformed(ActionEvent e) {

			try{
				JList recipesList = theView.getRecipesList();
				DefaultListModel model = (DefaultListModel) recipesList.getModel();
				if (recipesList.getSelectedIndex() != -1) 
				{
					int dialogResult = JOptionPane.showConfirmDialog (null, "Czy na pewno chcesz usunąć przepis?", "Pytanie", JOptionPane.YES_NO_OPTION);
					if(dialogResult == JOptionPane.YES_OPTION){
						removeRecipe(recipesList.getSelectedValue().toString());
						model.remove(recipesList.getSelectedIndex());
						if (recipesList.getModel().getSize()>0)
						{
							recipesList.setSelectedIndex(0);
							fillComponents(recipesList.getSelectedValue().toString());
						}
						else
						{
							theView.setRecipeTitle("Nazwa przepisu");
							theView.setRecipeIngredients("");
							theView.setRecipeDescription("");
							theView.setRecipeTags("");
						}
					}
				}
			}

			catch(NumberFormatException ex){
				ex.printStackTrace();
			}	
		}
	}
	
	class LoadListener implements ActionListener{

		public void actionPerformed(ActionEvent e) {

			try{
				JFileChooser fcImg = theView.getFileChooser();
				int returnVal = fcImg.showOpenDialog(theView);
				if (returnVal == JFileChooser.APPROVE_OPTION) {
					theView.getImgRecipe().setIcon(resizeImage(fcImg.getSelectedFile()));
				}
			}
			catch(NumberFormatException ex){
				ex.printStackTrace();
			}	
		}
	}
	
	class CancelListener implements ActionListener{

		public void actionPerformed(ActionEvent e) {

			try{
				theView.DeactivateAddMenu();
				JList recipesList = theView.getRecipesList();
				if(recipesList.getSelectedIndex() != -1)
					fillComponents(recipesList.getSelectedValue().toString());
			}

			catch(NumberFormatException ex){
				ex.printStackTrace();
			}	
		}
	}
	
	class SaveListener implements ActionListener{

		public void actionPerformed(ActionEvent e) {

			try{
				addNewRecipe();
				theView.setRecipesListItem(theView.getRecipeEdTitle());
				theView.DeactivateAddMenu();
				theView.getRecipesList().setSelectedIndex(theView.getRecipesList().getModel().getSize()-1);
				fillComponents(theView.getRecipesList().getSelectedValue().toString());
			}

			catch(NumberFormatException ex){
				ex.printStackTrace();
			}	
		}
	}
	
	class SelectionListener implements ListSelectionListener{

		public void valueChanged(ListSelectionEvent e) {

			try{
				JList recipesList = theView.getRecipesList();
				if(recipesList.getSelectedIndex() != -1)
					fillComponents(recipesList.getSelectedValue().toString());
			}

			catch(NumberFormatException ex){
				ex.printStackTrace();
			}	
		}
	}
	
	class SearchListener implements DocumentListener{
		
		public void changedUpdate(DocumentEvent e) {
			fillList();
		}

		public void insertUpdate(DocumentEvent e) {
			fillList();
		}

		public void removeUpdate(DocumentEvent e) {
			fillList();
		}
	}
}