package io.gitlab.jfronny.inceptum.imgui.window.edit;

import imgui.ImGui;
import io.gitlab.jfronny.commons.io.JFiles;
import io.gitlab.jfronny.inceptum.common.Utils;
import io.gitlab.jfronny.inceptum.imgui.control.Tab;
import io.gitlab.jfronny.inceptum.imgui.window.GuiUtil;
import io.gitlab.jfronny.inceptum.imgui.window.Window;
import io.gitlab.jfronny.inceptum.launcher.model.inceptum.InstanceMeta;
import io.gitlab.jfronny.inceptum.launcher.util.InstanceLock;
import io.gitlab.jfronny.inceptum.launcher.system.mds.ModsDirScanner;

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

public class InstanceEditWindow extends Window {
    protected final Path path;
    protected final String name;
    protected final InstanceMeta instance;
    protected final ModsDirScanner mds;
    private final List<Tab> tabs;
    protected boolean reDownload = false;
    protected boolean lastTabWasMods = false;

    public InstanceEditWindow(Path path, InstanceMeta instance) throws IOException {
        super(path.getFileName().toString() + " - Edit");
        this.name = path.getFileName().toString();
        this.path = path;
        this.instance = instance;
        this.mds = ModsDirScanner.get(path.resolve("mods"), instance);
        this.mds.start();
        this.tabs = List.of(
                new GeneralTab(this),
                new ArgumentsTab(this),
                new ModsTab(this),
                new ExportTab(this)
        );
    }

    @Override
    public void draw() {
        if (InstanceLock.isSetupLocked(path)) {
            ImGui.text("This instance is still being set up.");
            return;
        }
        try {
            if (InstanceLock.isRunningLocked(path)) {
                ImGui.text("This instance is running. Edits in this state will result in breakage.");
            }
        } catch (IOException e) {
            ImGui.text("Could not read lock state on this instance");
            Utils.LOGGER.error("Could not read lock state", e);
        }
        lastTabWasMods = false;
        if (ImGui.beginTabBar("InstanceEdit" + path)) {
            for (Tab tab : tabs) tab.render();
            ImGui.endTabBar();
        }
    }

    protected void save() {
        try {
            JFiles.writeObject(path.resolve("instance.json"), instance);
        } catch (IOException e) {
            Utils.LOGGER.error("Could not write instance config", e);
        }
    }

    @Override
    public void close() {
        super.close();
        if (reDownload) {
            GuiUtil.reload(path);
        }
    }

    @Override
    public int getFlags() {
        return lastTabWasMods ? 0 : super.getFlags();
    }
}