using System;
using Sandbox;

public class MinibossShielder : Enemy
{
	public override EnemyType EnemyType => EnemyType.MinibossShielder;
	public override string GibFolder => "miniboss_shielder";
	public override float OverrideGibChance => 1f;
	public override int ExtraDeathBloodSprayAmount => 25;
	protected override float MinibossHealthScale => 1.2f;
	public override float GetMaxHealth() => MinibossBaseHealth * MinibossHealthScale;

	public override Vector3 SpawnScale => new Vector3( 1.6f );
	public override bool ShowHealthbar => true;
	public override float HealthbarOffset => 100f;
	public override float HealthbarOpacity => Utils.EasePercent( SpawnProgress, EasingType.QuadIn );
	public override float HealthbarArmorOpacity => Utils.EasePercent( SpawnProgress, EasingType.QuadIn );

	public override bool IsBoss => true;
	public override bool IsMiniboss => true;

	private List<OrbiterShieldEnemy> _shields;
	private bool _rotateClockwise;

	public override float ParticleYPosOverride => 0.5f;
	public override float StunParticleYPosOverride => 0.85f;

	protected override void OnStart()
	{
		base.OnStart();

		CoinValueMin = 10;
		CoinValueMax = 18;
		CoinChance = 1f;

		PushStrength = 9000f;
		Weight = 1.5f;

		_personalSpeedScale = 1f;
		_personalSpeedFreq = 12f;

		AnimSpeedModifier = 0.7f;

		if ( IsProxy )
			return;

		AggroRange = 85f;
		DetectTargetRange = 850f;
		LoseTargetRange = 1300f;
		LoseTargetTime = 7f;
		MeleeDamage = Utils.Select( Manager.Instance.Difficulty, 11f, 15f, 16f );
		DamageTargetDelay = 0.8f;
		Acceleration = 265f * Utils.Select( Manager.Instance.Difficulty, 0.9f, 1f, 1.05f );
		AccelerationAttacking = 305f * Utils.Select( Manager.Instance.Difficulty, 0.9f, 1f, 1.05f );
		Deceleration = 2.2f;
		DecelerationAttacking = 2.1f;

		_personalTurnSpeed = 4.5f;

		_rotateClockwise = Game.Random.Float( 0f, 1f ) < 0.5f;
		_shields = new();
		SpawnShield( 90f );
	}

	protected override void OnUpdate()
	{
		base.OnUpdate();

		if ( IsProxy )
			return;

		if ( _shields.Count == 1 && HpPercent < 0.66f )
			SpawnShield( _shields[0].CurrOrbitAngleDegrees - 90f );
		else if ( _shields.Count == 2 && HpPercent < 0.33f )
			SpawnShield( _shields[1].CurrOrbitAngleDegrees - 90f );
	}

	protected override float GetMoveSpeedFactor()
	{
		var progress = ModelRenderer.SceneModel.CurrentSequence.TimeNormalized;
		return Charger.GetChargerMoveSpeedFactor( progress, IsAttacking );
	}

	[Rpc.Broadcast]
	void SpawnShield( float degrees )
	{
		// todo: sfx

		if ( IsProxy )
			return;

		var pos = Position2D;
		var orbiterShieldEnemyGo = GameObject.Clone( "prefabs/orbiter_shield_enemy.prefab", new CloneConfig { StartEnabled = true, Transform = new Transform( new Vector3( pos.x, pos.y, -999f ), Rotation.From( 0f, 0f, 0f ) ) } );
		var orbiterShieldEnemy = orbiterShieldEnemyGo.Components.Get<OrbiterShieldEnemy>( true );

		orbiterShieldEnemy.OrbitedUnit = this;
		orbiterShieldEnemy.CurrOrbitAngleDegrees = degrees;
		orbiterShieldEnemy.ShieldNum = _shields.Count;

		orbiterShieldEnemyGo.NetworkSpawn();

		_shields.Add( orbiterShieldEnemy );

		foreach ( var shield in _shields )
			shield.OrbitSpeed = (_shields.Count * 40f) * (_rotateClockwise ? -1f : 1f);
	}

	public override void Die( Vector2 dir, float force, Player player, DamageType damageType )
	{
		base.Die( dir, force, player, damageType );

		if ( IsProxy )
			return;

		foreach ( var shield in _shields )
			shield.GameObject.Destroy();
	}

}