using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Modules.Utils;
using jRandomSkills.src.player;
using jRandomSkills.src.utils;
using static jRandomSkills.jRandomSkills;

namespace jRandomSkills
{
    public class ReactiveArmor : ISkill
    {
        private const Skills skillName = Skills.ReactiveArmor;
        private static readonly float timerCooldown = Config.GetValue<float>(skillName, "cooldown");
        private static readonly Dictionary<ulong, PlayerSkillInfo> SkillPlayerInfo = [];

        public static void LoadSkill()
        {
            SkillUtils.RegisterSkill(skillName, Config.GetValue<string>(skillName, "color"));
        }

        public static void NewRound()
        {
            SkillPlayerInfo.Clear();
        }

        public static void OnTick()
        {
            foreach (var player in Utilities.GetPlayers())
            {
                var playerInfo = Instance.SkillPlayer.FirstOrDefault(p => p.SteamID == player.SteamID);
                if (playerInfo?.Skill == skillName)
                    if (SkillPlayerInfo.TryGetValue(player.SteamID, out var skillInfo))
                        UpdateHUD(player, skillInfo);
            }
        }

        public static void PlayerHurt(EventPlayerHurt @event)
        {
            var attacker = @event.Attacker;
            var victim = @event.Userid;
            int damage = @event.DmgHealth;

            if (!Instance.IsPlayerValid(attacker) || !Instance.IsPlayerValid(victim)) return;
            if (SkillPlayerInfo.TryGetValue(victim!.SteamID, out var skillInfo))
            {
                if (!victim.IsValid || !victim.PawnIsAlive || !skillInfo.CanUse) return;
                skillInfo.CanUse = false;
                skillInfo.Cooldown = DateTime.Now;
                RestoreHealth(victim, damage);
            }
        }

        public static void EnableSkill(CCSPlayerController player)
        {
            SkillPlayerInfo[player.SteamID] = new PlayerSkillInfo
            {
                SteamID = player.SteamID,
                CanUse = true,
                Cooldown = DateTime.MinValue,
            };
        }

        public static void DisableSkill(CCSPlayerController player)
        {
            SkillPlayerInfo.Remove(player.SteamID);
        }

        private static void UpdateHUD(CCSPlayerController player, PlayerSkillInfo skillInfo)
        {
            float cooldown = 0;
            if (skillInfo != null)
            {
                float time = (int)(skillInfo.Cooldown.AddSeconds(timerCooldown) - DateTime.Now).TotalSeconds;
                cooldown = Math.Max(time, 0);

                if (cooldown == 0 && skillInfo?.CanUse == false)
                    skillInfo.CanUse = true;
            }

            var skillData = SkillData.Skills.FirstOrDefault(s => s.Skill == skillName);
            if (skillData == null) return;

            string infoLine = $"<font class='fontSize-l' class='fontWeight-Bold' color='#FFFFFF'>{Localization.GetTranslation("your_skill")}:</font> <br>";
            string skillLine = $"<font class='fontSize-l' class='fontWeight-Bold' color='{skillData.Color}'>{skillData.Name}</font> <br>";
            string remainingLine = cooldown != 0 ? $"<font class='fontSize-m' color='#FFFFFF'>{Localization.GetTranslation("hud_info", $"<font color='#FF0000'>{cooldown}</font>")}</font> <br>" : "";

            var hudContent = infoLine + skillLine + remainingLine;
            player.PrintToCenterHtml(hudContent);
        }

        private static void RestoreHealth(CCSPlayerController victim, float damage)
        {
            var playerPawn = victim.PlayerPawn.Value;
            if (playerPawn == null || !playerPawn.IsValid) return;
            var newHealth = playerPawn.Health + damage;

            if (newHealth > 100)
                newHealth = 100;

            playerPawn.Health = (int)newHealth;
            Utilities.SetStateChanged(playerPawn, "CBaseEntity", "m_iHealth");
        }

        public class PlayerSkillInfo
        {
            public ulong SteamID { get; set; }
            public bool CanUse { get; set; }
            public DateTime Cooldown { get; set; }
        }

        public class SkillConfig(Skills skill = skillName, bool active = true, string color = "#3cded3", CsTeam onlyTeam = CsTeam.None, bool needsTeammates = false, float cooldown = 15) : Config.DefaultSkillInfo(skill, active, color, onlyTeam, needsTeammates)
        {
            public float Cooldown { get; set; } = cooldown;
        }
    }
}