package tmcsim.cadsimulator.managers;

import tmcsim.client.*;
import atmsdriver.model.TrafficEvent;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.AbstractListModel;
import javax.swing.JOptionPane;

/**
 * GUI for the Traffic Model Manager.
 * @author jdalbey
 */
public class TrafficModelViewer extends javax.swing.JFrame implements Observer
{

    /**
     * Reference to the driver associated with this GUI
     */
    private TrafficModelManager driver;
    private List<String> incidents;

    /**
     * Creates new form ATMSBatchViewer.
     *
     * @param incidents a list of incidents to show in a list.
     */
    public TrafficModelViewer(TrafficModelManager driver)
    {
        initComponents();
        this.driver = driver;
            txtClockTime.setText(driver.getClockTime());
            lstIncidents.setListData(driver.getIncidents());
            lstEvents.setModel(new MyListModel(driver.getEventQueue()));
        
//        this.incidents = incidentList;
//        lstIncidents.setModel(new javax.swing.AbstractListModel<String>()
//        {
//            public int getSize()
//            {
//                return incidents.size();
//            }
//
//            public String getElementAt(int i)
//            {
//                return incidents.get(i);
//            }
//        });
    }

//    public void update(String currentTime, String atmsTime, List<TrafficEvent> events)
//    {
//        lstEvents.setModel(new MyListModel(events));
//        txtClockTime.setText(currentTime + " / " + atmsTime);
//    }

    @Override
    public void update(Observable obs, Object obj)
    {
        if (obj == null) return;
        if (obj instanceof String)
        {
            String currentTime = (String) obj;
            txtClockTime.setText(currentTime);
        }
        if (obj instanceof Vector)
        {
            lstIncidents.setListData((Vector)obj);
        }
        if (obj instanceof LinkedList)
        {
            lstEvents.setModel(new MyListModel((LinkedList)obj));
        }
    }

    class MyListModel extends AbstractListModel<String>
    {

        TrafficEvent[] strings;// = { "item 1", "item 2" };

        public MyListModel(List<TrafficEvent> events)
        {
            strings = events.toArray(new TrafficEvent[events.size()]);
        }

        public int getSize()
        {
            return strings.length;
        }

        public String getElementAt(int i)
        {
            return strings[i].rawString;
        }
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents()
    {

        pnlEvents = new javax.swing.JPanel();
        scrollEvents = new javax.swing.JScrollPane();
        lstEvents = new javax.swing.JList<>();
        txtClockTime = new javax.swing.JLabel();
        btnReload = new javax.swing.JButton();
        pnlIncidents = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        lstIncidents = new javax.swing.JList<>();
        btnClear = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Traffic Modeler");

        lstEvents.setFont(new java.awt.Font("Noto Mono", 0, 12)); // NOI18N
        lstEvents.setModel(new javax.swing.AbstractListModel<String>()
        {
            String[] strings = { "item 1", "item 2" };
            public int getSize() { return strings.length; }
            public String getElementAt(int i) { return strings[i]; }
        });
        scrollEvents.setViewportView(lstEvents);

        txtClockTime.setFont(new java.awt.Font("Noto Sans", 1, 14)); // NOI18N
        txtClockTime.setText("0:00:00");

        btnReload.setText("Reload");
        btnReload.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                btnReloadActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlEventsLayout = new javax.swing.GroupLayout(pnlEvents);
        pnlEvents.setLayout(pnlEventsLayout);
        pnlEventsLayout.setHorizontalGroup(
            pnlEventsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(pnlEventsLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(scrollEvents, javax.swing.GroupLayout.PREFERRED_SIZE, 430, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(20, Short.MAX_VALUE))
            .addGroup(pnlEventsLayout.createSequentialGroup()
                .addGap(112, 112, 112)
                .addComponent(txtClockTime, javax.swing.GroupLayout.PREFERRED_SIZE, 225, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(btnReload)
                .addGap(32, 32, 32))
        );
        pnlEventsLayout.setVerticalGroup(
            pnlEventsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlEventsLayout.createSequentialGroup()
                .addGroup(pnlEventsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(txtClockTime, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnReload))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(scrollEvents, javax.swing.GroupLayout.DEFAULT_SIZE, 172, Short.MAX_VALUE)
                .addContainerGap())
        );

        lstIncidents.setFont(new java.awt.Font("Noto Mono", 0, 15)); // NOI18N
        lstIncidents.setModel(new javax.swing.AbstractListModel<String>()
        {
            String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
            public int getSize() { return strings.length; }
            public String getElementAt(int i) { return strings[i]; }
        });
        lstIncidents.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        jScrollPane1.setViewportView(lstIncidents);

        btnClear.setText("Clear Incident");
        btnClear.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                btnClearActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout pnlIncidentsLayout = new javax.swing.GroupLayout(pnlIncidents);
        pnlIncidents.setLayout(pnlIncidentsLayout);
        pnlIncidentsLayout.setHorizontalGroup(
            pnlIncidentsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(pnlIncidentsLayout.createSequentialGroup()
                .addGroup(pnlIncidentsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(btnClear)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 211, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(0, 0, Short.MAX_VALUE))
        );
        pnlIncidentsLayout.setVerticalGroup(
            pnlIncidentsLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pnlIncidentsLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 179, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(btnClear)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(1, 1, 1)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(12, 12, 12)
                        .addComponent(pnlIncidents, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addComponent(pnlEvents, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(0, 26, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(pnlEvents, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(pnlIncidents, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void btnClearActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnClearActionPerformed
    {//GEN-HEADEREND:event_btnClearActionPerformed
        String selectedItem = lstIncidents.getSelectedValue();
        if (selectedItem == null)
        {
            JOptionPane.showMessageDialog(this, "No Incident Selected", "Warning", JOptionPane.INFORMATION_MESSAGE);
        }
        else
        {
            System.out.println("Clicked Incident:" + selectedItem);
            if (driver != null)
            {
                driver.clearIncident(selectedItem);
            }
            lstIncidents.clearSelection();
            // Remove selectedItem from list model;
//            incidents.remove(selectedItem);
            // Update the list displayed
//            String[] array = new String[incidents.size()];
//            array = incidents.toArray(array);
//            lstIncidents.setListData(array);
        }
    }//GEN-LAST:event_btnClearActionPerformed

    private void btnReloadActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnReloadActionPerformed
    {//GEN-HEADEREND:event_btnReloadActionPerformed
        String message = "Reload will delete all events in the queue and reload the events file.";
        String title = "Please Confirm";
        // display the JOptionPane showConfirmDialog
        int reply = JOptionPane.showConfirmDialog(this, message, title, JOptionPane.YES_NO_OPTION);
        if (reply == JOptionPane.YES_OPTION)
        {
            driver.loadEvents();
        }
    }//GEN-LAST:event_btnReloadActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[])
    {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try
        {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels())
            {
                if ("Nimbus".equals(info.getName()))
                {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        }
        catch (ClassNotFoundException ex)
        {
            java.util.logging.Logger.getLogger(TrafficModelViewer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        catch (InstantiationException ex)
        {
            java.util.logging.Logger.getLogger(TrafficModelViewer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        catch (IllegalAccessException ex)
        {
            java.util.logging.Logger.getLogger(TrafficModelViewer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        catch (javax.swing.UnsupportedLookAndFeelException ex)
        {
            java.util.logging.Logger.getLogger(TrafficModelViewer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
        //</editor-fold>
        //</editor-fold>
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable()
        {
            public void run()
            {
                try
                {
                    TrafficEvent alpha = new TrafficEvent("181 00:01:30 405 S 0.6 11.0 G");
                    TrafficEvent beta = new TrafficEvent("183 00:12:30 405 S 0.6 11.0 G");
                    TrafficEvent charly = new TrafficEvent("181 00:22:00 5 S 0.6 11.0 G");
                    LinkedList<TrafficEvent> sample = new LinkedList<TrafficEvent>();
                    sample.add(alpha);
                    sample.add(beta);
                    List<String> items = new ArrayList<String>();
                    items.add("180");
                    items.add("1291");
                    TrafficModelViewer view = new TrafficModelViewer(null);
                    view.setVisible(true);
                    //view.update("01", "02", sample);
                }
                catch (ParseException ex)
                {
                    Logger.getLogger(TrafficModelViewer.class.getName()).log(Level.SEVERE, null, ex);
                }

            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnClear;
    private javax.swing.JButton btnReload;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JList<String> lstEvents;
    private javax.swing.JList<String> lstIncidents;
    private javax.swing.JPanel pnlEvents;
    private javax.swing.JPanel pnlIncidents;
    private javax.swing.JScrollPane scrollEvents;
    private javax.swing.JLabel txtClockTime;
    // End of variables declaration//GEN-END:variables
}