using System;
using System.IO;
using BepInEx;
using CoreNet.Utils;
using GB.Platform.Lobby;
using UnityEngine;

#pragma warning disable IDE0051 // Private member is unused

namespace GBSU.Addons;

public class GBSUGui : MonoBehaviour
{
    private bool menu_shown;
    private bool error_shown;
    //private string _currentMap;
    public Rect gmenu = new(Screen.width / 2, 0, 385f, 690f);
    public Rect error_dialog = new(Screen.width / 2, 0, 520f, 175f);
    private string error_msg = "Unknown error!";

    readonly IInputSystem inputSystem = UnityInput.Current;
    private void Update()
    {
        if (inputSystem.GetKeyDown(KeyCode.RightShift))
        {
            //Plugin.Log.LogInfo("Toggling GBSU menu...");
            ToggleMenu();
        }
    }

    private void ToggleMenu()
    {
        if (menu_shown == true)
        {
            menu_shown = false;
            //Plugin.Log.LogInfo("GBSU menu hidden");
        }
        else
        {
            menu_shown = true;
            //Plugin.Log.LogInfo("GBSU menu shown");
        }
    }

    private void ShowOurWindow(int window)
    {
        GUI.skin.label.alignment = TextAnchor.UpperLeft;

        GUILayout.Label($@"==Guide==
Set CLI arguments: -ip, -port

[Hosting]
1. Create a config in Gang Beasts_Data/Config/Rotation/config.json
2. Press the 'Host' button while in the Main Menu

[Joining]
1. Go to Online
2. Press the 'Join' button");
        if (GUI.Button(new Rect(320f, 10f, 55f, 30f), "KILL"))
        {
            Application.Quit(0);
        }
        if (Helper.serverip != null)
        {
            if (GUI.Button(new Rect(20f, 260f, 170f, 30f), "Host"))
            {
                if (LobbyManager.Instance.LobbyStates.SelfState == LobbyState.Game.Menu)
                {
                    if (File.Exists(Helper.RotationFolderPath + "config.json"))
                    {
                        Helper.hosting = true;

                        AudioListener.volume = 0; // mute game audio

                        try
                        {
                            Plugin.AddServerComp(); // add custom GBSU server component
                            GBSUServer.StartServer();
                        }
                        catch (Exception e)
                        {
                            PushError("Looks like you've caught a bug! Please send your log file to us :)\n" + e);
                        }
                    }
                    else
                    {
                        PushError(@$"No config.json could be found in {Helper.RotationFolderPath}
Make sure to download a file from the examples given and rename it to config.json.
{Helper.FilesInRotationDir()}");
                    }
                }
                else
                {
                    PushError("Please stay on the main menu to begin hosting. Tip: You might need to exit your lobby.");
                }
            }
            if (GUI.Button(new Rect(195f, 260f, 170f, 30f), "Join"))
            {
                if (LobbyManager.Instance.LobbyStates.SelfState == LobbyState.Game.Online)
                {
                    if (!Helper.hosting)
                    {
                        GBSUClient.JoinServer(Helper.serverip, Helper.serverport);
                    }
                    else
                    {
                        PushError("You are currently hosting a match! Please restart the game before attempting to join.");
                    }
                }
                else
                {
                    PushError("Failed to join lobby! Please select the Online option in-game before joining.");
                }
            }
        }
        else
        {
            PushError("Couldn't find the -ip CLI argument. Please refer to the documentation.");
        }

        if (GUI.Button(new Rect(20f, 295f, 170f, 30f), "Cap FPS to 60"))
        {
            Application.targetFrameRate = 60;
        }
        if (GUI.Button(new Rect(195f, 295f, 170f, 30f), "Cap FPS to 240"))
        {
            Application.targetFrameRate = 240;
        }
        if (GUI.Button(new Rect(20f, 330f, 170f, 30f), "Toggle VSync"))
        {
            Helper.FlipVSync();
        }

        GUI.Label(new Rect(20f, 365f, 365f, 400f), $@"

Current map: {UnityEngine.SceneManagement.SceneManager.GetActiveScene().name}
Lobby State: {LobbyManager.Instance.LobbyStates.SelfState}
VSync: {QualitySettings.vSyncCount}
Target FPS: {Application.targetFrameRate}
{UpdateScoreDisplay()}


Made with <3 by anavoi at Gaboule Community
Free and open-source software under GPLv3.
Our source code is available at git.gaboule.com/Gaboule/GBSU
Please refer to the documentation for more information.");

        GUI.DragWindow(new Rect(0, 0, 10000, 10000));
    }

    private void ShowError(int window)
    {
        GUI.skin.label.alignment = TextAnchor.MiddleCenter;

        GUILayout.Label(error_msg);

        if (GUI.Button(new Rect(420f, 135f, 85f, 30f), "Close"))
        {
            error_shown = false;
        }

        GUI.DragWindow(new Rect(0, 0, 10000, 10000));
    }
    private string UpdateScoreDisplay()
    {
        if (Helper.hosting)
        {
            string scoreString = "Score:\n";
            foreach (var pair in Plugin.GameScore)
            {
                scoreString += $"{pair.Key}: {pair.Value}\n";
            }
            return scoreString;
        }
        return null;
    }

    private void PushError(string message)
    {
        Plugin.Log.LogError(message);

        // Push this error to the UI
        error_msg = message;
        error_shown = true;
    }

    public void OnGUI()
    {
        if (menu_shown)
        {
            gmenu = GUILayout.Window(121, gmenu, ShowOurWindow, $"{MyPluginInfo.PLUGIN_NAME} [{MyPluginInfo.PLUGIN_VERSION}]");
        }

        if (error_shown)
        {
            error_dialog = GUILayout.Window(122, error_dialog, ShowError, "An error occurred!");
        }
    }
}