using System;
using System.Collections.Generic;
using System.Linq;
using Terraria;
using TerrariaApi.Server;
using System.Reflection;
using TShockAPI;

namespace JewsusPlugin
{
    [ApiVersion(1, 20)]
    public class JewChat : TerrariaPlugin
    {
        private bool all;
        private int chatIndex;
        private bool[] rainbow = new bool[255];
        private Color[] colors;

        public override Version Version { get { return Assembly.GetExecutingAssembly().GetName().Version; } }

        public override string Name { get { return "Rainbow Chat"; } }

        public override string Author { get { return "Jewsus"; } }

        public override string Description { get { return "Creates Rainbow Chat"; } }

        public JewChat(Main game) : base(game)
        {
            Order = 1;
        }

        public override void Initialize()
        {
            colors = new Color[]
            {
                new Color(255, 0, 0),
                new Color(0, 255, 0),
                new Color(0, 0, 255)
            };

            ServerApi.Hooks.ServerChat.Register(this, OnChat);
            ServerApi.Hooks.ServerLeave.Register(this, OnLeave);
            Commands.ChatCommands.Add(new Command("rainbow", RainbowToggle, new string[] { "rainbow", "rb" }));
        }

        private void OnLeave(LeaveEventArgs args)
        {
            rainbow[args.Who] = false;
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                ServerApi.Hooks.ServerChat.Deregister(this, OnChat);
                ServerApi.Hooks.ServerLeave.Deregister(this, OnLeave);
            }
            base.Dispose(disposing);
        }

        private void RainbowToggle(CommandArgs args)
        {
            if (args.Parameters.Count <= 0)
            {
                args.Player.SendMessage("Usage: /rainbow [true/false] - set rainbow for the whole server.", Color.Red);
                args.Player.SendMessage("       /rainbow [playername] [true/false] - set rainbow for the specified player.", Color.Red);
                return;
            }

            if (args.Parameters.Count == 1)
            {
                if (args.Parameters[0].ToLower() == "true")
                    all = true;
                else if (args.Parameters[0].ToLower() == "false")
                    all = false;
                else
                    all = !all;

                TSPlayer.All.SendMessage(string.Format("The server will {0} talk in rainbow.", all ? "now" : "not"), Color.Green);
            }
            else if (args.Parameters.Count == 2)
            {
                List<TSPlayer> list = TShock.Utils.FindPlayer(args.Parameters[0]);
                if (list.Count == 0)
                    args.Player.SendMessage("No player matches.", Color.Red);

                else if (list.Count > 1)
                    TShock.Utils.SendMultipleMatchError(args.Player, from p in list select p.Name);
                else if (args.Parameters[1].ToLower() == "true")
                    rainbow[list[0].Index] = true;
                else if (args.Parameters[1].ToLower() == "false")
                    rainbow[list[0].Index] = false;
                else
                    rainbow[list[0].Index] = !all;

                TShock.Utils.Broadcast(string.Format("{0} will {1} talk in rainbow.", list[0].Name, rainbow[list[0].Index] ? "now" : "not"), Color.Green);
            }
        }

        private void OnChat(ServerChatEventArgs args)
        {
            if (args.Handled || args.Text.StartsWith(Commands.Specifier))
                return;

            TSPlayer player = TShock.Players[args.Who];
            if (all || rainbow[args.Who])
            {
                args.Handled = true;
                Chat(colors[chatIndex++], args.Text, player);
                if (chatIndex > colors.Length - 1)
                    chatIndex = 0;
            }
        }

        private void Chat(Color color, string message, TSPlayer player)
        {
            TSPlayer.All.SendMessage(string.Format(TShock.Config.ChatFormat, player.Group.Name, player.Group.Prefix, player.Name, player.Group.Suffix, message), color);
        }
    }
}