package io.gitlab.jfronny.inceptum.windows;

import imgui.ImGui;
import imgui.type.ImString;
import io.gitlab.jfronny.inceptum.Inceptum;
import io.gitlab.jfronny.inceptum.model.inceptum.InstanceMeta;
import io.gitlab.jfronny.inceptum.util.Utils;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

//TODO allow changing name (moving), changing version, managing mods etc
public class InstanceEditWindow extends Window {
    private final Path path;
    private final InstanceMeta instance;
    private final ImString name;

    public InstanceEditWindow(Path path, InstanceMeta instance) {
        super("Edit " + path.getFileName().toString());
        this.path = path;
        this.instance = instance;
        name = new ImString(path.getFileName().toString(), NewInstanceWindow.MAX_NAME_LENGTH);
    }

    @Override
    public void draw() {
        if (ImGui.beginTabBar("InstanceEdit" + path)) {
            if (ImGui.beginTabItem("General")) {
                ImGui.inputTextWithHint("Name", "Name of this instance", name);
                if (!Utils.VALID_FILENAME.matcher(name.get()).matches())
                    ImGui.text("Invalid name");
                else if (!Files.exists(Inceptum.INSTANCE_DIR.resolve(name.get())) && ImGui.button("Rename")) {
                    try {
                        Path newPath = Inceptum.INSTANCE_DIR.resolve(name.get());
                        Files.move(path, newPath);
                        close();
                        Inceptum.open(new InstanceEditWindow(newPath, instance));
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (ImGui.button("Delete")) Inceptum.open(new AlertWindow("Are you sure?", "This instance will be removed forever (a long time)", () -> {
                    close();
                    try {
                        Utils.deleteRecursive(path);
                    } catch (IOException e) {
                        Inceptum.LOGGER.error("Could not delete the instance", e);
                        Inceptum.open(new AlertWindow("Could not delete", e.toString()));
                    }
                }, () -> {}));
                ImGui.endTabItem();
            }
            if (instance.isFabric() && ImGui.beginTabItem("Mods")) {
                ImGui.text("Mod editing is not currently implemented");
                ImGui.text("Please be patient");
                ImGui.endTabItem();
            }
            ImGui.endTabBar();
        }
    }
}