package io.gitlab.jfronny.inceptum.frontend.gui.window;

import io.gitlab.jfronny.inceptum.Inceptum;
import io.gitlab.jfronny.inceptum.InceptumGui;
import io.gitlab.jfronny.inceptum.frontend.gui.window.dialog.ProcessStateWatcherWindow;
import io.gitlab.jfronny.inceptum.util.MetaHolder;
import io.gitlab.jfronny.inceptum.util.ProcessState;
import io.gitlab.jfronny.inceptum.util.Utils;
import io.gitlab.jfronny.inceptum.util.install.SetupStepInfo;
import io.gitlab.jfronny.inceptum.util.install.Step;
import io.gitlab.jfronny.inceptum.util.install.Steps;

import java.io.IOException;
import java.nio.file.Path;
import java.util.List;

public class GuiUtil {
    public static final int INPUT_FIELD_LENGTH = 1024; // Arbitrary value, can be any int 0<=x<MAX_VALUE. Be aware that an array of this length will be allocated for every input box

    public static void reload() {
        try {
            List<Path> paths = Utils.ls(MetaHolder.INSTANCE_DIR);
            ProcessState state = Steps.createProcessState().extend(paths.size());
            InceptumGui.open(new ProcessStateWatcherWindow("Reloading data", "Could not reload resources", state, cToken -> {
                for (Path path : paths) {
                    Steps.reDownload(path, state);
                }
            }, null));
        } catch (IOException e) {
            Inceptum.showError("Could not reload", e);
        }
    }

    public static void reload(Path instanceDir) {
        ProcessState state = Steps.createProcessState();
        InceptumGui.open(new ProcessStateWatcherWindow("Reloading data", "Could not reload resources", state, cToken -> {
            Steps.reDownload(instanceDir, state);
        }, null));
    }

    public static void createInstance(SetupStepInfo state) {
        ProcessState pState = Steps.createProcessState();
        pState.updateStep("Starting install process");
        InceptumGui.open(new ProcessStateWatcherWindow("Creating Instance", "Could not create instance", pState, cToken -> {
            for (Step step : Steps.STEPS) {
                if (cToken.get()) return;
                step.execute(state, cToken);
            }
            Inceptum.showInfo("The instance was successfully created. You can now launch it using the main menu", "Successfully installed");
        }, () -> {
            try {
                Utils.deleteRecursive(MetaHolder.INSTANCE_DIR.resolve(state.name()));
            } catch (IOException e) {
                Utils.LOGGER.error("Could not delete instance dir", e);
            }
        }));
    }
}