@tool
class_name DayNightController
extends Node

#Time duration in seconds for a day
@export var day_duration: float = 120.0

#starting time
@export_range(0.0, 1.0) var start_time: float = 0.0

#Multiply for debug
@export var time_scale: float = 1.0

@export var paused: bool = false

signal time_changed(time: float)

var current_time: float = 0.0

func _ready() -> void:
	current_time = start_time
	update_time(current_time)

func _process(delta: float) -> void:
	if paused or day_duration <= 0.0:
		return

	var increment: float = (delta * time_scale) / day_duration
	current_time = wrapf(current_time + increment, 0.0, 1.0)

	update_time(current_time)

func get_time_string() -> String:
	var total_minutes: int = int(current_time * 1440.0)  # 1440 = 24*60
	var hours: int   = total_minutes / 60
	var minutes: int = total_minutes % 60
	return "%02d:%02d" % [hours, minutes]

func set_time(t: float) -> void:
	current_time = wrapf(t, 0.0, 1.0)
	update_time(current_time)

func update_time(currtime: float) -> void:
	emit_signal("time_changed", currtime)