extends CharacterBody3D
class_name Enemy

const MOVEMENT_SPEED = 1

@onready var animationtree: AnimationTree = $enemies/AnimationPlayer/AnimationTree
@onready var agent:NavigationAgent3D = $NavigationAgent
@onready var enemyAi: EnemyAI = $BTPlayer
@onready var health: Health = $Health
@onready var origin: Node3D = $"enemies/Vert/Shoot Marker"
@onready var enemyVisual: Node3D = $enemies/Vert
@onready var shootSound: AudioStreamPlayer3D = $"enemies/Vert/Shoot Marker/ShootSound"
@onready var deathSound: AudioStreamPlayer = $DeathSound

const SPEED = 5.0
const JUMP_VELOCITY = 4.5

var movementBlend = 0;

func _ready() -> void:
	health.death.connect(died)

func died() -> void:
	deathSound.play()
	
	process_mode = Node.PROCESS_MODE_DISABLED
	
	await deathSound.finished
	
	queue_free()

func updateMovementBlend(delta: float, to: float) -> void:
	movementBlend = move_toward(movementBlend, to, delta * 2);

func rotateTo(delta: float, targetDirection: Vector3) -> void:
	self.global_basis.z = targetDirection;

func _physics_process(delta: float) -> void:
	if agent.is_navigation_finished():
		if enemyAi.aggressive:
			rotateTo(delta, (Player.Instance.global_position - self.global_position).normalized())
			
		updateMovementBlend(delta, 0);
		self.animationtree['parameters/Movement/blend_position'] = movementBlend
		return
	
	var current_agent_position: Vector3 = global_position
	var next_path_position: Vector3 = agent.get_next_path_position()

	velocity = current_agent_position.direction_to(next_path_position) * MOVEMENT_SPEED
	move_and_slide()
	
	if enemyAi.aggressive:
		rotateTo(delta, (Player.Instance.global_position - self.global_position).normalized())
	else:
		rotateTo(delta, velocity.normalized())
	
	updateMovementBlend(delta, velocity.length())
	self.animationtree['parameters/Movement/blend_position'] = movementBlend

func fireWeapon() -> void:
	shootSound.play()
	
	var fireDirection = (Player.Instance.enemyTarget.global_position - origin.global_position).normalized()
	fireDirection = fireDirection.rotated(Vector3.UP, randf_range(-0.1, 0.1))
	
	var query = PhysicsRayQueryParameters3D.create(origin.global_position, origin.global_position + fireDirection * 200)
	var result = get_world_3d().direct_space_state.intersect_ray(query)
	
	if not result:
		return
	
	var health = result.collider.get_node_or_null('Health')
	print(health)
	if not health:
		return
	
	result.collider.health.take_damage(1, Vector2(0,0), self.origin)