import javax.swing.*;
import java.awt.GridBagConstraints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Array;
import java.util.ArrayList;
import java.util.Objects;

public class ManageStudent extends BFrame implements ActionListener {
    protected BDatabase sharedObject;
    protected BFrame tempFrame;
    protected BLayout settings;
    protected BInput inSearch;
    protected BButton moveTo;
    protected BButton btnSearch;
    protected BButton addTo;
    protected BButton seeReq;
    protected JList<String> student;
    protected JList<String> grupList;
    protected String[] data;
    protected int tmpForAddGrup;
    protected int tmpForAddGrupWho;

    public ManageStudent(BDatabase so) {
        super("Manageur d'Eleve", 800, 400, JFrame.DISPOSE_ON_CLOSE);
        this.settings = new BLayout();
        this.sharedObject = so;
        this.settings.setAnchor(GridBagConstraints.NORTHWEST);

        this.inSearch = new BInput(150, 30);
        this.settings.setPositionX(0);
        this.settings.setPositionY(0);
        this.add(inSearch, this.settings);

        this.btnSearch = new BButton("Rechercher");
        this.btnSearch.setActionCommand("search");
        this.btnSearch.addActionListener(this);
        this.settings.setPositionX(1);
        this.settings.setPositionY(0);
        this.add(btnSearch, this.settings);

        this.student = refreshList("");
        this.settings.setFill(GridBagConstraints.BOTH);
        this.settings.setPositionX(0);
        this.settings.setPositionY(1);
        this.settings.setSizeX(1.0f);
        this.settings.setSizeY(1.0f);
        this.settings.setTakeCaseOnY(2);
        this.settings.setTakeCaseOnX(2);
        this.add(this.student, this.settings);

        this.settings.setSizeX(1.0f);
        this.settings.setSizeY(1.0f);
        this.settings.setTakeCaseOnY(1);
        this.settings.setTakeCaseOnX(1);
        this.settings.setFill(GridBagConstraints.NONE);
        this.settings.setAnchor(GridBagConstraints.CENTER);

        this.moveTo = new BButton("Deplacer dans un groupe");
        this.moveTo.setActionCommand("move");
        this.moveTo.addActionListener(this);
        this.settings.setPositionX(2);
        this.settings.setPositionY(1);
        this.add(moveTo, this.settings);


        this.addTo = new BButton("Ajouter dans un groupe");
        this.addTo.setActionCommand("add");
        this.addTo.addActionListener(this);
        this.settings.setPositionX(3);
        this.settings.setPositionY(1);
        this.add(addTo, this.settings);

        this.seeReq = new BButton("Voir ses demandes");
        this.settings.setPositionX(4);
        this.settings.setPositionY(1);
        this.add(seeReq, this.settings);

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

    protected JList<String> refreshList(String student) {
        ArrayList<String> tmp = new ArrayList<>();
        ArrayList<String> tmp2 = new ArrayList<>();
        ArrayList<String> tmp3 = new ArrayList<>();

        tmp = this.sharedObject.fetchAll(
                "SELECT nom FROM Membres WHERE nom LIKE '%" + student + "%'"
        );

        tmp2 = this.sharedObject.fetchAll(
                "SELECT prenom FROM Membres WHERE nom LIKE '%" + student + "%'"
        );

        tmp3 = this.sharedObject.fetchAll(
                "SELECT idCompte FROM Membres WHERE nom LIKE '%" + student + "%'"
        );

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

        for(int i = 0; i <= tmp.size()-1; i++) {
            this.data[i] = "[" + tmp3.get(i) + "] " + tmp.get(i) + " " + tmp2.get(i);
            System.out.println(this.data[i]);
        }

        return new JList<>(this.data);
    }

    protected void addInGrup(int who) {
        this.tmpForAddGrupWho = who;

        this.tempFrame = new BFrame("Choisissez un groupe", 300, 200, JFrame.DISPOSE_ON_CLOSE);
        BLayout settings = new BLayout();
        ArrayList<String> tmp = this.sharedObject.fetchAll(
                "SELECT intitule FROM Groupes"
        );

        String[] grupListTmp = new String[tmp.size()];

        for(int i = 0; i <= tmp.size()-1; i++) {
            grupListTmp[i] = tmp.get(i);
        }

        this.grupList = new JList<>(grupListTmp);
        settings.setPositionY(0);
        this.tempFrame.add(this.grupList, settings);

        BButton btn = new BButton("Ajouter");
        btn.addActionListener(this);
        btn.setActionCommand("addInGrup");
        settings.setPositionY(1);
        this.tempFrame.add(btn, settings);

        this.tempFrame.openBFrame();
    }

    protected void moveToOtherGrup(int who) {
        this.tmpForAddGrupWho = who;

        this.tempFrame = new BFrame("Choissez un groupe", 300, 200, JFrame.DISPOSE_ON_CLOSE);
        BLayout settings = new BLayout();
        String tmp = this.sharedObject.fetchAll(
                "SELECT G.intitule FROM Membres M, Groupes G WHERE M.idCompte=" + who
        ).get(0);

        JLabel tmp2 = new JLabel("Il est actuellement dans : [" + tmp + "]");
        settings.setPositionY(0);
        this.tempFrame.add(tmp2, settings);

        ArrayList<String> gr = this.sharedObject.fetchAll(
                "SELECT intitule FROM Groupes"
        );

        String[] grupListTmp = new String[gr.size()];

        for(int i = 0; i <= gr.size()-1; i++) {
            grupListTmp[i] = gr.get(i);
        }

        this.grupList = new JList<>(grupListTmp);
        settings.setPositionY(1);
        this.tempFrame.add(this.grupList, settings);

        BButton btn = new BButton("Deplacer");
        btn.addActionListener(this);
        btn.setActionCommand("moveToOtherGrup");
        settings.setPositionY(2);
        this.tempFrame.add(btn, settings);

        this.tempFrame.openBFrame();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        int idCompte = Integer.parseInt(
                this.student.getSelectedValue().charAt(1) + "", 10
        );

        System.out.println(idCompte);

        // ManageStudent's frame
        if(Objects.equals(e.getActionCommand(), "search")) {
            this.add(refreshList(this.inSearch.getText()), this.settings);
        } else if(Objects.equals(e.getActionCommand(), "add")){
            this.addInGrup(idCompte);
        } else if(Objects.equals(e.getActionCommand(), "move")) {
            this.moveToOtherGrup(idCompte);
        }

        // addInGrup's frame
        if(Objects.equals(e.getActionCommand(), "addInGrup")) {
            this.tmpForAddGrup = Integer.parseInt(
                    this.sharedObject.fetchAll(
                            "SELECT idGroupe FROM Groupes WHERE intitule='" + this.grupList.getSelectedValue() + "'"
                    ).get(0), 10
            );

            if(this.sharedObject.updateRow(
                    "UPDATE Membres SET idGroupe=" + this.tmpForAddGrup + " WHERE idCompte=" + this.tmpForAddGrupWho)
            ) {
                JOptionPane.showMessageDialog(this, "L'ajout a bien ete effectue !");
            } else {
                JOptionPane.showMessageDialog(this, "Erreur lors de l'ajout.");
            }

            this.tempFrame.closeBFrame();
        }

        // moveToOtherGrup's frame
        if(Objects.equals(e.getActionCommand(), "moveToOtherGrup")) {
            this.tmpForAddGrup = Integer.parseInt(
                    this.sharedObject.fetchAll(
                            "SELECT idGroupe FROM Groupes WHERE intitule='" + this.grupList.getSelectedValue() + "'"
                    ).get(0), 10
            );

            if(this.sharedObject.updateRow(
                    "UPDATE Membres SET idGroupe=" + this.tmpForAddGrup + " WHERE idCompte=" + this.tmpForAddGrupWho)
            ) {
                JOptionPane.showMessageDialog(this, "Le deplacement a bien ete effectue !");
            } else {
                JOptionPane.showMessageDialog(this, "Erreur lors du deplacement.");
            }

            this.tempFrame.closeBFrame();
        }
    }
}