package controller;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;

import Classes.Category;
import Interfaces.EventObserver;
import javafx.application.Platform;
import javafx.fxml.FXMLLoader;
import javafx.scene.Node;
import javafx.scene.control.TextField;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.HBox;
import javafx.scene.text.Text;
import model.NewsModel;

public class Article{
	
	/* Data */
	private ArrayList<AnchorPane> items;
	private FlowPane parent;
	private EventObserver observer;
	private AnchorPane root;
	public Boolean activated = false;
	
	
	/* Constructor */
	public Article(FlowPane p_parent, EventObserver observer, AnchorPane root_layout){
		this.parent = p_parent;
		this.items = new ArrayList<AnchorPane>();
		this.observer = observer;
		this.root = root_layout;
	}
	
	public synchronized void addAllItem(ArrayList<NewsModel> models) throws IOException {
		/* (9) Add to the controller local */
		TextField tx = (TextField) this.root.lookup("#mag_searchbar");
		
		int i = 0;
		for(NewsModel news : models) {
			
			tx.textProperty().set("Chargement... "+i+"/"+models.size());
			
			this.items.add(this.buildItem(news));
			
			i++;
		}
		
		/* (11) Add to parent (graphics) */
		Platform.runLater(new Runnable(){
			public void run(){
				if(Article.this.activated) {
					Article.this.parent.getChildren().addAll(Article.this.items);
					tx.textProperty().set("");
				}
			}
		});
	}

	public AnchorPane buildItem(NewsModel model) throws IOException {
		
		/* (1) Load the article_disp.fxml */
		FXMLLoader loader = new FXMLLoader();
		loader.setLocation(getClass().getResource("/fxml/article_disp.fxml"));
		
		/* (2) Get the loaded item*/
		AnchorPane item = (AnchorPane) loader.load();
		
		/* (3) Set content */
		this.gsetContent( model.getDescription(), item );
		
		/* (4) Set date */
		this.gsetDate( model.getDate(), item );
		
		/* (5) Set title */
		HBox headerContainer = (HBox) item.getChildren().get(3);
		this.gsetTitle( model.getTitle(), headerContainer );
		
		/* (6) Set tags */
		this.gsetTags( model.getTags(), headerContainer );
		
		/* (7) Set image */
		this.gsetImage( model.getImageURL(), item );
		
		/* (8) Bind event */
//		item.setOnMousePressed(new EventHandler<MouseEvent>() {
//			@Override
//            public void handle(MouseEvent event) {
//				Article.this.observer.handleEvent(new Classes.Event(item.getId(),"changeMainLayout"));
//            }
//		});
		
		/* (10) On bind au width du parent */
		item.prefWidthProperty().bind(this.parent.widthProperty());
		item.maxWidthProperty().bind(this.parent.widthProperty());
		
		return item;
	}
	
	public synchronized void clearContent() {
		this.items.clear();
		Platform.runLater(new Runnable(){
			public void run(){
				Iterator<Node> it = Article.this.parent.getChildren().iterator();
				while(it.hasNext()) {
					Node n = it.next();
					if(n.getId() != "mag_searchbar") {
						it.remove();
					}
				}
			}
		});
	}
	
	
	
	public void gsetContent(String p_content, AnchorPane p_parent){
		/* (1) Get node */
		Text g_content = (Text) p_parent.getChildren().get(1);
		
		/* (2) Update content */
		g_content.setText(p_content);		
	}
	
	
	public void gsetDate(Date p_date, AnchorPane p_parent){
		/* (1) Get node */
		Text g_date = (Text) p_parent.getChildren().get(2);
		
		/* (2) Update content */
		g_date.setText(new SimpleDateFormat("dd-MM-yyyy HH:mm").format(p_date));
		
	}

	
	public void gsetTitle(String p_title, HBox p_parent){
		/* (1) Get node */
		Text g_title = (Text) p_parent.getChildren().get(0);
		
		/* (2) Update title */
		g_title.setText(p_title);
	}

	
	public void gsetImage(String p_uri, AnchorPane p_parent){
		/* (1) Get node */
		ImageView g_image = (ImageView) p_parent.getChildren().get(0);
		
		/* (2) Update title */
		try {
			g_image.setImage(new Image(p_uri));
		}catch(Exception e) {
			g_image.setImage(new Image("http://lorempicsum.com/futurama/255/200/2"));
		}
	}
	
	
	public void gsetTags(ArrayList<Category> p_tags, HBox p_parent) throws IOException{
		
		/* (1) For each tag -> load a new one */
		for( Category tag : p_tags ){

			/* (1.1) Create the container */
			FXMLLoader loader = new FXMLLoader();
			loader.setLocation(getClass().getResource("/fxml/article_tag_disp.fxml"));
			
			/* (1.2) Load the tag elements */
			FlowPane g_tag = (FlowPane) loader.load();
			Text g_tagText = (Text)     g_tag.getChildren().get(0);
			
			/* (1.3) Update the tag name */
			g_tagText.setText(tag.getLabel());
			
			/* (1.4) Set the custom color */
			g_tag.setStyle("-fx-background-color: "+tag.getColor());
			
			/* (1.5) Ajout au parent*/
			p_parent.getChildren().add(g_tag);
			
		}
	}
	
}