using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using BepInEx;
using UnityEngine;

namespace Snaitf.Dinkum.HideAndSeek
{
    [BepInPlugin(PluginInfo.PLUGIN_GUID, PluginInfo.PLUGIN_NAME, PluginInfo.PLUGIN_VERSION)]
    public class Plugin : BaseUnityPlugin
    {
        int modID = 258;

        int numNPCs;
        mapIcon[] icons;
        bool setup = false;

        private void Awake()
        {
            Logger.LogInfo($"Plugin {PluginInfo.PLUGIN_GUID} is loaded!");

            Config.Bind<int>("!Developer", "NexusID", modID, "Nexus Mod ID. You can find it on the mod's page on Nexus.").Value = modID;
            Config.Save();
        }

        private void Setup()
        {
            numNPCs = NPCManager.manage.NPCDetails.Count();

            icons = new mapIcon[numNPCs];

            for (int id = 0; id < numNPCs; id++)
            {
                icons[id] = Instantiate<mapIcon>(RenderMap.Instance.mapIconPrefab, RenderMap.Instance.mapParent).GetComponent<mapIcon>();
                icons[id].CurrentIconType = mapIcon.iconType.Special;

                Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Snaitf.Dinkum.HideAndSeek.Resources." + id + ".png");
                if (stream == null)
                    stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Snaitf.Dinkum.HideAndSeek.Resources.default.png");
                byte[] array = new BinaryReader(stream).ReadBytes((int)stream.Length);
                Texture2D texture2D = new(1, 2);
                ImageConversion.LoadImage(texture2D, array);

                icons[id].Icon.sprite = Sprite.Create(texture2D, new Rect(0f, 0f, (float)texture2D.width, (float)texture2D.height), Vector2.zero);
                icons[id].IconName = NPCManager.manage.NPCDetails[id].NPCName;
                icons[id].container.SetActive(false);
            }

            setup = true;
        }

        private void Update()
        {
            if (!NetworkMapSharer.Instance.localChar)
            {
                setup = false;
                return;
            }

            if (!setup)
                Setup();

            List<int> onMap = new();
            foreach (NPCMapAgent agent in NPCManager.manage.npcsOnMap)
            {
                if (!icons[agent.npcId].container.activeSelf)
                    icons[agent.npcId].container.SetActive(true);

                icons[agent.npcId].SetPosition((int)agent.currentPosition.x / 2, (int)agent.currentPosition.z / 2);
                if (icons[agent.npcId].ping.activeSelf)
                    if (!NetworkMapSharer.Instance.mapPoints.Contains(icons[agent.npcId].MyMapPoint))
                        NetworkMapSharer.Instance.mapPoints.Add(icons[agent.npcId].MyMapPoint);

                if (agent.npcId == 11)
                    foreach (Vehicle vehicle in SaveLoad.saveOrLoad.vehiclesToSave)
                        if (vehicle.saveId == 10)
                            icons[agent.npcId].SetPosition((int)vehicle.currentPosition.x / 2, (int)vehicle.currentPosition.z / 2);

                if (!RenderMap.Instance.mapIcons.Contains(icons[agent.npcId]))
                    RenderMap.Instance.mapIcons.Add(icons[agent.npcId]);

                if (!onMap.Contains(agent.npcId))
                    onMap.Add(agent.npcId);
            }

            for (int id = 0; id < numNPCs; id++)
            {
                if (!onMap.Contains(id) || RealWorldTimeLight.time.CurrentWorldArea != WorldArea.MAIN_ISLAND)
                {
                    RenderMap.Instance.mapIcons.Remove(icons[id]);
                    icons[id].container.SetActive(false);
                }
            }
        }
    }
}