package io.gitlab.jfronny.glaunch.windows;

import imgui.ImGui;
import imgui.type.ImString;
import io.gitlab.jfronny.glaunch.GLaunch;
import io.gitlab.jfronny.glaunch.Window;
import io.gitlab.jfronny.glaunch.install.SetupStepInfo;
import io.gitlab.jfronny.glaunch.install.Step;
import io.gitlab.jfronny.glaunch.install.Steps;
import io.gitlab.jfronny.glaunch.model.VersionsList;
import io.gitlab.jfronny.glaunch.model.VersionsListInfo;
import io.gitlab.jfronny.glaunch.util.mojang.McApi;

import java.io.IOException;

public class NewInstanceWindow extends Window {
    VersionsList manifest = McApi.getVersions();
    VersionsListInfo selected = null;
    LoaderType loaderType = null;
    State state = State.Version;
    String name = "";
    public NewInstanceWindow() {
        super("New Instance");
    }

    @Override
    public void preFirstDraw() {
        ImGui.setNextWindowSize(200, 800);
    }

    @Override
    public void draw() {
        if (ImGui.button("Cancel")) close();
        switch (state) {
            case Version -> {
                ImGui.text("Select a version");
                GLaunch.CONFIG.snapshots = ImGui.checkbox("Show snapshots", GLaunch.CONFIG.snapshots);
                if (ImGui.checkbox("Ae", true)) { //TODO fix
                    GLaunch.LOGGER.info("Ao");
                }
                for (VersionsListInfo version : manifest.versions) {
                    if (!version.type.equals("release") && !GLaunch.CONFIG.snapshots) continue;
                    if (ImGui.button(version.id)) {
                        selected = version;
                        state = State.Loader;
                        break;
                    }
                }
            }
            case Loader -> {
                ImGui.text("Select a mod loader"); //TODO implement fabric support
                for (LoaderType value : LoaderType.values()) {
                    if (ImGui.button(value.name())) {
                        state = State.Name;
                    }
                }
            }
            case Name -> {
                ImString is = new ImString(name);
                ImGui.text("Select a name");
                ImGui.inputText("", is);
                name = is.get();
                if (ImGui.button("OK"))
                    state = State.Installing;
            }
            case Installing -> {
                ImGui.text("Installing...");
                try {
                    SetupStepInfo stepInfo = new SetupStepInfo(McApi.getVersionInfo(selected), loaderType, name);
                    for (Step step : Steps.STEPS) {
                        step.execute(stepInfo);
                    }
                } catch (IOException e) {
                    GLaunch.LOGGER.error("Could not initialize instance", e);
                    GLaunch.open(new AlertWindow("Could not initialize instance, look at the log for details"));
                    close();
                }
            }
        }
    }

    enum State {
        Version,
        Loader,
        Name,
        Installing
    }

    public enum LoaderType {
        None,
        Fabric
    }
}