# defines the parameters for quests and spawning enemies within an area
class_name WorldArea
extends PanelContainer


enum GoalType { KILL, FIND }

@export var area_type := Globals.World.AreaType.WILDS
@export var spawnTimerValue = 10.0


var middleX : float
var playerPos : Vector2


func _ready() -> void:
    middleX = get_viewport_rect().size.x / 2
    playerPos = Vector2(middleX, get_viewport_rect().size.y * (0.75))
    
    _generate_quest()

    $SpawnTimer.start(spawnTimerValue)
    _spawn_enemies(randi_range(1, 5))
    # _spawn_enemies(5)
    

func _process(_delta: float) -> void:
    playerPos = Vector2(middleX, get_viewport_rect().size.y * (0.75))


# instantiate Quest
func _generate_quest() -> void:
    var quest = load("res://scenes/quest.tscn").instantiate()
    # quest.goalType = GoalType.FIND
    SignalBus.quest_generated.emit(quest)
    

# spawn appropriate enemies
func _create_enemy():
    var enemy = load("res://scenes/enemy.tscn").instantiate()
    enemy.scale = Vector2.ONE * 0.5
    enemy.position = Vector2(randf_range(0, get_viewport_rect().size.x), -50.0)
    enemy.speed *= randf_range(0.67, 1.5)
    enemy.target = playerPos
    
    return enemy
    
func _get_enemies() -> Array:
    var enemies := get_tree().get_nodes_in_group("enemies")
    return enemies
    
    
func _get_num_enemies() -> int:
    var enemies := get_tree().get_nodes_in_group("enemies")
    return len(enemies)
    

func _spawn_enemies(numEnemies: int) -> void:
    #await get_tree().create_timer(time).timeout
    # var numEnemies = randi_range(1, maxEnemies)
    for i in range(numEnemies):
        var enemy = _create_enemy()
        add_child(enemy)
        # var randEnemyMoveSpeed := randf_range(0.5, 2.0)*enemyMoveSpeed
        # create_tween().tween_property(enemy, "position", playerPos, randEnemyMoveSpeed)


func _on_spawn_timer_timeout() -> void:
    _spawn_enemies(randi_range(1, 5))