using System;
using System.Reflection;
using Harmony;

using GamecraftModdingAPI.Commands;
using GamecraftModdingAPI.Events;
using GamecraftModdingAPI.Utility;

namespace GamecraftModdingAPI.Tests
{
    // unused by design
    /// <summary>
    /// Modding API implemented as a standalone IPA Plugin.
    /// Ideally, GamecraftModdingAPI should be loaded by another mod; not itself
    /// </summary>
    public class GamecraftModdingAPIPluginTest
#if DEBUG
        : IllusionPlugin.IEnhancedPlugin
#endif
    {
        public static HarmonyInstance harmony { get; protected set; }

        public string[] Filter { get; } = new string[] { "Gamecraft" };

        public string Name { get; } = Assembly.GetExecutingAssembly().GetName().Name;

        public string Version { get; } = Assembly.GetExecutingAssembly().GetName().Version.ToString();

        public string HarmonyID { get; } = "org.git.exmods.modtainers.gamecraftmoddingapi";

        public void OnApplicationQuit()
        {
            GamecraftModdingAPI.Main.Shutdown();
        }

        public void OnApplicationStart()
        {
            GamecraftModdingAPI.Main.Init();
            // in case Steam is not installed/running
            // this will crash the game slightly later during startup
            //SteamInitPatch.ForcePassSteamCheck = true;
            // in case running in a VM
            //MinimumSpecsCheckPatch.ForcePassMinimumSpecCheck = true;

            // debug/test handlers
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("App Inited event!"); }, () => { },
                EventType.ApplicationInitialized, "appinit API debug"));
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("Menu Activated event!"); },
                () => { Logging.Log("Menu Destroyed event!"); },
                EventType.Menu, "menuact API debug"));
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("Menu Switched To event!"); }, () => { },
                EventType.MenuSwitchedTo, "menuswitch API debug"));
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("Game Activated event!"); },
                () => { Logging.Log("Game Destroyed event!"); },
                EventType.Game, "gameact API debug"));
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("Game Reloaded event!"); }, () => { },
                EventType.GameReloaded, "gamerel API debug"));
            EventManager.AddEventHandler(new SimpleEventHandlerEngine(() => { Logging.Log("Game Switched To event!"); }, () => { },
                EventType.GameSwitchedTo, "gameswitch API debug"));

            // debug/test commands
            CommandManager.AddCommand(new SimpleCustomCommandEngine(() => { UnityEngine.Application.Quit(); },
                "Exit", "Close Gamecraft without any prompts"));
            CommandManager.AddCommand(new SimpleCustomCommandEngine<float>((float d) => { UnityEngine.Camera.main.fieldOfView = d; },
                "SetFOV", "Set the player camera's field of view"));

        }

        public void OnFixedUpdate() { }

        public void OnLateUpdate() { }

        public void OnLevelWasInitialized(int level) { }

        public void OnLevelWasLoaded(int level) { }

        public void OnUpdate() { }
    }
}