using Terraria;
using Terraria.ID;
using Terraria.ModLoader;
using Microsoft.Xna.Framework;

namespace ForgottenWawiTech.Content.NPCs.Enemies.AvalianInvasion
{
    public class AvalianEliteCommando : ModNPC
    {
        private int attackTimer = 0;
        private int teleportTimer = 0;

        public override void SetStaticDefaults()
        {
            Main.npcFrameCount[Type] = 8;
            NPCID.Sets.NPCBestiaryDrawModifiers value = new NPCID.Sets.NPCBestiaryDrawModifiers(0)
            {
                Velocity = 1f
            };
            NPCID.Sets.NPCBestiaryDrawOffset.Add(Type, value);
        }

        public override void SetDefaults()
        {
            NPC.width = 38;
            NPC.height = 48;
            NPC.damage = 70;
            NPC.defense = 30;
            NPC.lifeMax = 800;
            NPC.HitSound = SoundID.NPCHit1;
            NPC.DeathSound = SoundID.NPCDeath6;
            NPC.value = Item.buyPrice(0, 0, 50, 0);
            NPC.knockBackResist = 0.1f;
            NPC.aiStyle = NPCAIStyleID.Bat;
        }

        public override void AI()
        {
            Player target = Main.player[NPC.target];
            if (target.active && !target.dead)
            {
                attackTimer++;
                teleportTimer++;
                
                // Fast movement
                Vector2 toPlayer = Vector2.Normalize(target.Center - NPC.Center);
                float distanceToPlayer = Vector2.Distance(NPC.Center, target.Center);

                // Teleport mechanic every 180 frames (3 seconds)
                if (teleportTimer >= 180 && distanceToPlayer > 200f)
                {
                    teleportTimer = 0;
                    
                    // Teleport dust effect
                    for (int i = 0; i < 20; i++)
                    {
                        Dust.NewDust(NPC.position, NPC.width, NPC.height, DustID.Electric);
                    }
                    
                    // Teleport near player
                    Vector2 teleportPos = target.Center + new Vector2(Main.rand.Next(-200, 200), -150);
                    NPC.position = teleportPos;
                    
                    for (int i = 0; i < 20; i++)
                    {
                        Dust.NewDust(NPC.position, NPC.width, NPC.height, DustID.Electric);
                    }
                }

                // Rapid fire attack every 30 frames (0.5 seconds)
                if (attackTimer >= 30)
                {
                    attackTimer = 0;
                    
                    if (Main.netMode != NetmodeID.MultiplayerClient)
                    {
                        Vector2 shootDirection = Vector2.Normalize(target.Center - NPC.Center);
                        
                        // Triple shot spread
                        for (int i = -1; i <= 1; i++)
                        {
                            Vector2 perturbedSpeed = shootDirection.RotatedBy(MathHelper.ToRadians(15 * i));
                            Projectile.NewProjectile(NPC.GetSource_FromAI(), NPC.Center, 
                                perturbedSpeed * 14f, ProjectileID.MartianTurretBolt, 
                                NPC.damage / 3, 1f);
                        }
                    }
                }

                // Aggressive movement
                if (distanceToPlayer > 150f)
                {
                    NPC.velocity = toPlayer * 6f;
                }
            }
        }

        public override void HitEffect(NPC.HitInfo hit)
        {
            if (NPC.life <= 0)
            {
                // Epic death effects
                for (int i = 0; i < 20; i++)
                {
                    Dust.NewDust(NPC.position, NPC.width, NPC.height, DustID.Feather);
                }
                for (int i = 0; i < 15; i++)
                {
                    Dust.NewDust(NPC.position, NPC.width, NPC.height, DustID.Electric);
                }
            }
        }

        public override float SpawnChance(NPCSpawnInfo spawnInfo)
        {
            return 0f; // Controlled by invasion system
        }
    }
}