package Test;

import API.*;
import MNP.*;
import javax.swing.JComboBox;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.GridBagConstraints;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.sql.SQLException;
import java.util.ArrayList;

public class ProfView extends BFrame implements ActionListener {
    private final ArrayList<Etudiant> e;
    private final ArrayList<Groupe> g;
    private JComboBox groupeOption;
    private JTextField text;
    private BDatabase db;

    public ProfView(ArrayList<Etudiant> e, ArrayList<Groupe> g, BDatabase db) {
        super(
                "Vue professeur",
                1,
                1,
                500,
                500,
                3
        );

        this.e = e;
        this.g = g;
        this.db = db;

        Display();
    }

    public void Display() {
        BLayout settings = new BLayout();
        settings.setPositionX(0);
        settings.setPositionY(6);

        settings.setPositionY(0);
        JButton studList = new JButton("Voir la liste des etudiants");
        studList.setActionCommand("fi::GetStudList");
        studList.addActionListener(this);
        this.add(studList, settings);

        settings.setPositionY(1);
        this.add(new JLabel(" "), settings);

        settings.setPositionY(2);
        JLabel gs = new JLabel("Afficher les etudiants se trouvant dans le groupe :");
        this.add(gs, settings);

        settings.setPositionY(3);
        settings.setPadding(new Insets(0, 0, 0, 50));
        String[] groupeList = new String[this.g.size()];

        for(int i = 0; i <= this.g.size()-1; i++) {
            groupeList[i] = this.g.get(i).getName();
        }

        this.groupeOption = new JComboBox(groupeList);
        this.groupeOption.setPreferredSize(new Dimension(110, 30));
        this.add(groupeOption, settings);

        settings.setPositionY(3);
        settings.setPadding(new Insets(0, 0, 0, 0));
        settings.setAnchor(GridBagConstraints.EAST);
        JButton confirm = new JButton("Rechercher");
        confirm.setActionCommand("fi::GetListFiltered");
        confirm.addActionListener(this);
        this.add(confirm, settings);

        settings.setAnchor(GridBagConstraints.CENTER);

        settings.setPositionY(4);
        this.add(new JLabel(" "), settings);

        settings.setPositionY(5);
        JLabel pf = new JLabel("Rechercher un etudiant : ");
        this.add(pf, settings);

        settings.setPositionY(6);
        settings.setPadding(new Insets(0, 0, 0, 50));
        this.text = new JTextField();
        this.text.setPreferredSize(new Dimension(110, 30));
        text.addKeyListener(new KeyAdapter() {
            public void keyTyped(KeyEvent e) {
                if (text.getText().length() >= 3 ) // limit textfield to 3 characters
                    e.consume();
            }
        });
        this.add(this.text, settings);

        settings.setPositionY(6);
        settings.setPadding(new Insets(0, 0, 0, 0));
        settings.setAnchor(GridBagConstraints.EAST);
        JButton searchTLetters = new JButton("Rechercher");
        searchTLetters.addActionListener(this);
        searchTLetters.setActionCommand("fi::SearchStudentPer3Letters");
        this.add(searchTLetters, settings);

        this.openBFrame();
        this.refreshBFrame();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        String command = e.getActionCommand();

        if (command == "fi::GetStudList") {
            BFrame frame = new BFrame(
                    "Liste des eleves",
                    1,
                    1,
                    500,
                    500,
                    "GridLayout",
                    1,
                    1,
                    2
            );

            String[][] data = new String[this.e.size()][2];

            String[] titre = {
                    "Nom",
                    "Prenom",
                    "Groupe"
            };

            for(int i = 0; i <= this.e.size()-1; i++) {
                String[] info = {
                        this.e.get(i).getNom(),
                        this.e.get(i).getPrenom(),
                        String.valueOf(this.e.get(i).getGroupe())
                };

                data[i] = info;
            }

            JTable liste = new JTable(data, titre) {
                public boolean editCellAt(int row, int column, java.util.EventObject e) {
                    return false;
                }
            };

            liste.getTableHeader().setReorderingAllowed(false);
            liste.setFillsViewportHeight(true);

            JScrollPane scroll = new JScrollPane(liste);
            frame.getContentPane().add(scroll);

            frame.openBFrame();
        } else if(command == "fi::GetListFiltered") {
            BFrame frame = new BFrame(
                    "Liste des eleves du " + this.groupeOption.getSelectedItem(),
                    1,
                    1,
                    500,
                    500,
                    "GridLayout",
                    1,
                    1,
                    2
            );

            String[][] data = new String[this.e.size()][1];

            String[] titre = {
                    "Nom",
                    "Prenom"
            };

            int i, j;

            for(i = 0, j = 0; i <= this.e.size()-1; i++) {
                if(this.e.get(i).getGroupe() == this.groupeOption.getSelectedIndex()) {
                    String[] info = {
                            this.e.get(i).getNom(),
                            this.e.get(i).getPrenom()
                    };

                    data[j] = info;
                    j++;
                }
            }

            String[][] data_final = new String[j][1];
            for(int x = 0; x <= j-1; x++) {
                data_final[x] = data[x];
            }

            JTable liste = new JTable(data_final, titre) {
                public boolean editCellAt(int row, int column, java.util.EventObject e) {
                    return false;
                }
            };

            liste.getTableHeader().setReorderingAllowed(false);
            liste.setFillsViewportHeight(true);

            JScrollPane scroll = new JScrollPane(liste);
            frame.getContentPane().add(scroll);

            frame.openBFrame();
        } else if(command == "fi::SearchStudentPer3Letters") {
            if(this.text.getText().length() < 3 || this.text.getText() == null) {
                JOptionPane.showMessageDialog(
                        this,
                        "Veuillez ecrire au moins 3 lettres",
                        "Erreur.",
                        JOptionPane.ERROR_MESSAGE
                );
            } else {
                char[] beg = this.text.getText().toCharArray();

                BFrame frame = new BFrame(
                        "Liste d'eleves d'ou les noms commence par " + beg[0] + beg[1] + beg[2],
                        1,
                        1,
                        500,
                        500,
                        "GridLayout",
                        1,
                        1,
                        2
                );

                ArrayList<String> filtreEleveNom = db.fetchAll("SELECT nom FROM fi_eleves WHERE nom LIKE '" + beg[0] + beg[1] + beg[2] + "%'");
                ArrayList<String> filtreElevePrenom = db.fetchAll("SELECT prenom FROM fi_eleves WHERE nom LIKE '" + beg[0] + beg[1] + beg[2] + "%'");
                ArrayList<String> filtreEleveGroupe = db.fetchAll("SELECT groupe FROM fi_eleves WHERE nom LIKE '" + beg[0] + beg[1] + beg[2] + "%'");

                System.out.println(filtreEleveGroupe.size() + filtreElevePrenom.size() + filtreEleveGroupe.size());

                if(filtreEleveGroupe.size() == 0 || filtreEleveNom.size() == 0 || filtreElevePrenom.size() == 0) {
                    JOptionPane.showMessageDialog(
                            this,
                            "Eleve introuvable !",
                            "Erreur.",
                            JOptionPane.ERROR_MESSAGE
                    );

                    frame.closeBFrame();
                } else {
                    String[] titre = {
                            "Nom",
                            "Prenom",
                            "Groupe"
                    };

                    String[][] data = new String[filtreEleveNom.size()][2];

                    for(int i = 0; i <= filtreEleveNom.size()-1; i++){
                        data[i] = new String[]{
                                filtreEleveNom.get(i),
                                filtreElevePrenom.get(i),
                                String.valueOf(filtreEleveGroupe.get(i))
                        };
                    }

                    JTable liste = new JTable(data, titre) {
                        public boolean editCellAt(int row, int column, java.util.EventObject e) {
                            return false;
                        }
                    };

                    liste.getTableHeader().setReorderingAllowed(false);
                    liste.setFillsViewportHeight(true);

                    JScrollPane scroll = new JScrollPane(liste);
                    frame.getContentPane().add(scroll);

                    frame.openBFrame();
                }
            }
        }
    }
}