using System.Collections.Generic;
using System.IO;
using Terraria;
using Terraria.ModLoader;
using Terraria.ModLoader.IO;
using Microsoft.Xna.Framework;

namespace ForgottenWawiTech
{
    public class WorldDefeatedBosses : ModSystem
    {
        public static bool Niko;
        public static bool Lyyka;
        public static bool Neptune;
        public static bool Lexy;
        public static bool Terra;
        public static bool Clara;
        public static bool Raccoon;

        public override void OnWorldUnload()
        {
            Niko = Lyyka = Neptune = Lexy = Terra = Clara = Raccoon = false;
        }

        public override void SaveWorldData(TagCompound tag)
        {
            var list = new List<string>();
            if (Niko) list.Add("Niko");
            if (Lyyka) list.Add("Lyyka");
            if (Neptune) list.Add("Neptune");
            if (Lexy) list.Add("Lexy");
            if (Terra) list.Add("Terra");
            if (Clara) list.Add("Clara");
            if (Raccoon) list.Add("Raccoon");

            tag["ForgottenWawiTech_DefeatedBosses"] = list;
        }

        public override void LoadWorldData(TagCompound tag)
        {
            if (tag.TryGet<List<string>>("ForgottenWawiTech_DefeatedBosses", out var list))
            {
                Niko = list.Contains("Niko");
                Lyyka = list.Contains("Lyyka");
                Neptune = list.Contains("Neptune");
                Lexy = list.Contains("Lexy");
                Terra = list.Contains("Terra");
                Clara = list.Contains("Clara");
                Raccoon = list.Contains("Raccoon");
            }
            else
            {
                Niko = Lyyka = Neptune = Lexy = Terra = Clara = Raccoon = false;
            }
        }

        public override void NetSend(BinaryWriter writer)
        {
            var flags = new BitsByte(
                Niko,
                Lyyka,
                Neptune,
                Lexy,
                Terra,
                Clara,
                Raccoon
            );
            writer.Write((byte)flags);
        }

        public override void NetReceive(BinaryReader reader)
        {
            BitsByte flags = reader.ReadByte();
            Niko = flags[0];
            Lyyka = flags[1];
            Neptune = flags[2];
            Lexy = flags[3];
            Terra = flags[4];
            Clara = flags[5];
            Raccoon = flags[6];
        }

        // Immediate network sync helper to broadcast current flags to clients.
        public static void Sync(Mod mod)
        {
            if (mod == null)
                return;

            var flags = new BitsByte(
                Niko,
                Lyyka,
                Neptune,
                Lexy,
                Terra,
                Clara,
                Raccoon
            );

            ModPacket packet = mod.GetPacket();
            packet.Write((byte)0); // message type 0 = sync world defeated bosses
            packet.Write((byte)flags);
            packet.Send();
        }
    }
}