package id.amigogroup.posterminal;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import id.amigogroup.posterminal.api.AmigoPosRx;
import id.amigogroup.posterminal.model.Pelanggan;
import id.amigogroup.posterminal.pencarian.DialogCariBarangController;
import id.amigogroup.posterminal.pencarian.DialogCariNotaTundaController;
import id.amigogroup.posterminal.pencarian.DialogCariPelangganController;
import id.amigogroup.posterminal.pencarian.DialogCetakUlangNotaController;
import id.amigogroup.posterminal.transaksi.DialogKonfirmasiReturController;
import id.amigogroup.posterminal.transaksi.DialogTambahNotaController;
import id.amigogroup.posterminal.transaksi.FormTransaksiReturController;
import id.amigogroup.posterminal.transaksi.FormTransaksiTunaiController;
import id.amigogroup.posterminal.util.AlertUtil;
import id.amigogroup.posterminal.util.Fucout;
import io.reactivex.Observable;
import static io.reactivex.Observable.error;
import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyCodeCombination;
import javafx.scene.input.KeyCombination;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import retrofit2.HttpException;

public class FormUtamaController implements Initializable {

    @FXML
    private BorderPane bpMain;
    @FXML
    private ScrollPane spMainContent;
    @FXML
    private ScrollPane spNavigasi;
    @FXML
    private VBox vbNavigasi;
    @FXML
    private Label lblNamaLogin;
    @FXML
    private Button btnTunai1Static;
    @FXML
    private Button btnRetur1Static;
    @FXML
    private Button btnTunai2Static;
    @FXML
    private Label lblMemberNonMember;
    @FXML
    private Label lblNamaPelanggan;
    @FXML
    private Label lblTglLahirPelanggan;
    @FXML
    private Label lblNoTelpPelanggan;

    private final FormFactory formFactory = new FormFactory();

    private final List<Button> navigasi = new ArrayList<>();
    private int notaState = -1;
    private String tipeNotaState = "";
    private int jumlahNota = 0;
    private final char NOTA_PREV = 'p';
    private final char NOTA_NEXT = 'n';
    private Observable<Pelanggan> pelangganObs;

    /**
     * Initializes the controller class.
     */
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        AmigoPosRx posRx = new AmigoPosRx();
        //Kode Nur Indah Suciati (00334), Kode Wuryaningsih/RT (010004)
        updateLabelMemberNonMember();

        Platform.runLater(() -> {
            posRx.getPelangganByKodeMember("00334").subscribe(pelangganObserver);
        });

        if (SystemValue.karyawanLogin != null) {
            lblNamaLogin.setText(Fucout.getTextColon(SystemValue.karyawanLogin.getNama()));
        }

        initShorcuts();

        //STATIC FUNCTION, hilangkan jika sudah tidak dipakai
        navigasi.add(btnTunai1Static);
        navigasi.add(btnRetur1Static);
        navigasi.add(btnTunai2Static);
        jumlahNota = 3;

        btnTunai1Static.setOnAction((event) -> {
            posRx.getPelangganByKodeMember("010004").subscribe(pelangganObserver);
            setContent(loadNota("", FormConstanta.TRANSAKSI_TUNAI));
            updateSelectedNota(event);
            tipeNotaState = Fucout.TIPE_NOTA_TUNAI;
        });
        btnRetur1Static.setOnAction((event) -> {
            setContent(loadNota("", FormConstanta.TRANSAKSI_RETUR));
            updateSelectedNota(event);
            tipeNotaState = Fucout.TIPE_NOTA_RETUR;
        });
        btnTunai2Static.setOnAction((event) -> {
            setContent(loadNota("", FormConstanta.TRANSAKSI_TUNAI));
            updateSelectedNota(event);
            tipeNotaState = Fucout.TIPE_NOTA_TUNAI;
        });
    }

    private void updateLabelPelanggan(Pelanggan p) {
        updateLabelMemberNonMember();
        if (Fucout.checkBirthday(p.getTglLahir())) {
            Alert alertUltah = AlertUtil.getAlertUlangTahun(p.getNama());
            alertUltah.initOwner(bpMain.getScene().getWindow());
            alertUltah.show();
        }
        lblNamaPelanggan.setText(Fucout.getTextColon(p.getNama()));
        lblTglLahirPelanggan.setText(Fucout.getTextColon(Fucout.formatTanggal(p.getTglLahir())));
        lblNoTelpPelanggan.setText(Fucout.getTextColon(
                !p.getTelp().equals("") && !p.getPonsel().equals("")
                ? p.getTelp() + System.lineSeparator() + p.getPonsel() : p.getTelp() + p.getPonsel()));
    }

    private void updateLabelMemberNonMember() {
        if (SystemValue.isMember) {
            lblMemberNonMember.setText("Member");
        } else {
            lblMemberNonMember.setText("Non Member");
        }
    }

    private void updateSelectedNota(ActionEvent event) {
        Button buttonSource = (Button) event.getSource();
        notaState = navigasi.indexOf(buttonSource);
        Fucout.scrollToNode(spNavigasi, buttonSource);
//        if (!tableState.equals(buttonSource.getText().toLowerCase())) {
//            switch (buttonSource.getText().toLowerCase()) {
//                case BTN_TUNAI:
//                    //ambil data tunai
//                    tableState = BTN_TUNAI;
//                    System.out.println("ambil data tunai");
//                    break;
//                case BTN_BAWA_DULU:
//                    //ambil data bawa dulu
//                    tableState = BTN_BAWA_DULU;
//                    System.out.println("ambil data bawa dulu");
//                    break;
//                case BTN_BON:
//                    //ambil data bon
//                    tableState = BTN_BON;
//                    System.out.println("ambil data bon");
//                    break;
//                case BTN_RETUR:
//                    //ambil data retur
//                    tableState = BTN_RETUR;
//                    System.out.println("ambil data retur");
//                    break;
//            }
//        }

        for (Button button : navigasi) {
            if (button.equals(buttonSource)) {
                if (!button.getStyleClass().contains("button-navigasi-transaksi-selected")) {
                    button.getStyleClass().add("button-navigasi-transaksi-selected");
                }
            } else {
                if (button.getStyleClass().contains("button-navigasi-transaksi-selected")) {
                    button.getStyleClass().remove("button-navigasi-transaksi-selected");
                }
            }
        }

//        fldScan.requestFocus();
    }

    private Button generateButtonNota(String noNota, String tipeNota, String tipeTeks) {
        Button button = new Button(tipeTeks + ": " + noNota);
        button.getStyleClass().add("button-navigasi-transaksi");
        button.setMaxWidth(Double.MAX_VALUE);
        button.setOnAction((event) -> {
            setContent(loadNota("", tipeNota));
            tipeNotaState = tipeNota;
            updateSelectedNota(event);
        });

        return button;
    }

    private Node loadNota(String noNota, String tipe) {
        Node node = null;
        FXMLLoader loader = new FXMLLoader();
        try {
            switch (tipe) {
                case FormConstanta.TRANSAKSI_TUNAI:
                    loader.setLocation(getClass().getResource("/fxml/FormTransaksiTunai.fxml"));
                    node = loader.load();
                    FormTransaksiTunaiController fttc = loader.getController();
//                    fetc.initData(noNota);
                    break;
                case FormConstanta.TRANSAKSI_RETUR:
                    loader.setLocation(getClass().getResource("/fxml/FormTransaksiRetur.fxml"));
                    node = loader.load();
                    FormTransaksiReturController ftrc = loader.getController();
//                    fetc.initData(noNota);
                    break;
            }
        } catch (IOException ex) {
            Logger.getLogger(FormUtamaController.class.getName()).log(Level.SEVERE, null, ex);
        }
        return node;
    }

    private void loadNota(char operasi) {
        switch (operasi) {
            case NOTA_PREV:
                if (notaState == -1) {
                    notaState = jumlahNota - 1;
                } else {
                    notaState--;
                    if (notaState < 0) {
                        notaState = jumlahNota - 1;
                    }
                }
                break;
            case NOTA_NEXT:
                if (notaState == -1) {
                    notaState = 0;
                } else {
                    notaState++;
                    if (notaState >= jumlahNota) {
                        notaState = 0;
                    }
                }
                break;
        }
        if (notaState >= 0 && notaState < jumlahNota) {
            navigasi.get(notaState).fire();
        }
    }

    private void initShorcuts() {
        Map<KeyCombination, Runnable> listShortcuts = new HashMap<>();

        KeyCombination kcPrevNota = new KeyCodeCombination(KeyCode.F1);
        Runnable rnPrevNota = () -> {
            loadNota(NOTA_PREV);
        };
        listShortcuts.put(kcPrevNota, rnPrevNota);

        KeyCombination kcNextNota = new KeyCodeCombination(KeyCode.F2);
        Runnable rnNextNota = () -> {
            loadNota(NOTA_NEXT);
        };
        listShortcuts.put(kcNextNota, rnNextNota);

        KeyCombination kcCariBarang = new KeyCodeCombination(KeyCode.F5);
        Runnable rnCariBarang = () -> {
            DialogCariBarangController dialogCariBarang = new DialogCariBarangController();
            dialogCariBarang.initOwner(bpMain.getScene().getWindow());

            Optional<String> result = dialogCariBarang.showAndWait();
            System.out.println(result);
        };
        listShortcuts.put(kcCariBarang, rnCariBarang);

        KeyCombination kcCariPelanggan = new KeyCodeCombination(KeyCode.F6);
        Runnable rnCariPelanggan = () -> {
            DialogCariPelangganController dialogCariPelanggan = new DialogCariPelangganController();
            dialogCariPelanggan.initOwner(bpMain.getScene().getWindow());

            Optional<String> result = dialogCariPelanggan.showAndWait();
            System.out.println(result);
        };
        listShortcuts.put(kcCariPelanggan, rnCariPelanggan);

        KeyCombination kcCariNotaTunda = new KeyCodeCombination(KeyCode.F7);
        Runnable rnCariNotaTunda = () -> {
            DialogCariNotaTundaController dialogCariNotaTunda = new DialogCariNotaTundaController();
            dialogCariNotaTunda.initOwner(bpMain.getScene().getWindow());

            Optional<String> result = dialogCariNotaTunda.showAndWait();
            System.out.println(result);
        };
        listShortcuts.put(kcCariNotaTunda, rnCariNotaTunda);

        KeyCombination kcCariCetakUlangNota = new KeyCodeCombination(KeyCode.P, KeyCombination.CONTROL_DOWN);
        Runnable rnCetakUlangNota = () -> {
            DialogCetakUlangNotaController dialogCetakUlangNota = new DialogCetakUlangNotaController();
            dialogCetakUlangNota.initOwner(bpMain.getScene().getWindow());

            Optional<String> result = dialogCetakUlangNota.showAndWait();
            System.out.println(result);
        };
        listShortcuts.put(kcCariCetakUlangNota, rnCetakUlangNota);

        KeyCombination kcCheckout = new KeyCodeCombination(KeyCode.F8);
        Runnable rnCheckout = () -> {
            switch (tipeNotaState) {
                case Fucout.TIPE_NOTA_TUNAI:
                    setContent(formFactory.getForm(FormConstanta.BAYAR, this));
                    break;
                case Fucout.TIPE_NOTA_RETUR:
                    DialogKonfirmasiReturController dialogKonfirmasiRetur = new DialogKonfirmasiReturController();
                    dialogKonfirmasiRetur.initOwner(bpMain.getScene().getWindow());
                    dialogKonfirmasiRetur.showAndWait();
                    break;
            }
        };
        listShortcuts.put(kcCheckout, rnCheckout);

        KeyCombination kcLogout = new KeyCodeCombination(KeyCode.L, KeyCombination.CONTROL_DOWN);
        Runnable rnLogout = () -> {
            try {
                generateNewWindow("/fxml/FormLogin.fxml").show();
                Stage thisStage = (Stage) bpMain.getScene().getWindow();
                thisStage.close();
            } catch (IOException ex) {
                Logger.getLogger(FormUtamaController.class.getName()).log(Level.SEVERE, null, ex);
            }
        };
        listShortcuts.put(kcLogout, rnLogout);

        Platform.runLater(() -> {
            bpMain.getScene().getAccelerators().putAll(listShortcuts);
        });
    }

    public void setContent(Node node) {
        try {
            spMainContent.setContent(node);
        } catch (NullPointerException npe) {
            Logger.getLogger(FormUtamaController.class
                    .getName()).log(Level.SEVERE, null, npe);
//            AlertGenerate.getAlert(AlertGenerate.FXML_FAIL).show();
        }
    }

    public Stage generateNewWindow(String url) throws IOException {
        Stage stage = new Stage();
        Parent root;
        root = FXMLLoader.load(getClass().getResource(url));
        Scene scene = new Scene(root);
        stage.setTitle(Fucout.APP_TITLE);
        stage.getIcons().add(new Image(Fucout.APP_ICON));
        stage.setScene(scene);

        return stage;
    }

    @FXML
    void btnTambahNotaOnAction(ActionEvent event) {
        DialogTambahNotaController dialogTambahNota = new DialogTambahNotaController();
        dialogTambahNota.initOwner(bpMain.getScene().getWindow());
        Optional<String> hasilReturn = dialogTambahNota.showAndWait();

        if (hasilReturn.isPresent() && hasilReturn.get().equals("Tambah")) {

            Button buttonBaru = generateButtonNota("10-0220-0000X",
                    FormConstanta.TRANSAKSI_TUNAI,
                    Fucout.TIPE_NOTA_TUNAI);
            navigasi.add(buttonBaru);
            vbNavigasi.getChildren().add(buttonBaru);
            jumlahNota++;
        }
    }

    Observer<Pelanggan> pelangganObserver = new Observer<Pelanggan>() {
        @Override
        public void onSubscribe(Disposable dspsbl) {
        }

        @Override
        public void onNext(Pelanggan p) {
            ObjectMapper mapper = new ObjectMapper();
            try {
                System.out.println(mapper.writeValueAsString(p));
            } catch (JsonProcessingException ex) {
                Logger.getLogger(FormUtamaController.class.getName()).log(Level.SEVERE, null, ex);
            }
            if (p != null) {
                SystemValue.isMember = true;
                SystemValue.member = p;

                updateLabelPelanggan(p);
            }
        }

        @Override
        public void onError(Throwable error) {
            if (error instanceof HttpException) {
                switch (((HttpException) error).code()) {
                    case HttpURLConnection.HTTP_NOT_FOUND:
                        Alert alert = AlertUtil.getAlertError(
                                AlertUtil.ERROR_TIDAK_DITEMUKAN_TITLE,
                                "Pelanggan dengan kode member tersebut tidak ditemukan.");
                        alert.initOwner(bpMain.getScene().getWindow());
                        alert.show();
                }
            } else {
                Alert alert = AlertUtil.getAlertError(
                        AlertUtil.ERROR_TIDAK_TERDUGA_TITLE,
                        "Terjadi kesalahan yang tidak terduga.");
                alert.initOwner(bpMain.getScene().getWindow());
                alert.show();
                Logger.getLogger(FormUtamaController.class.getName()).log(Level.SEVERE, null, error);
            }
        }

        @Override
        public void onComplete() {
        }
    };
}