extends Spatial

const time_max = 3000 # msec
const gyroscope_max_diff = 0.1

# var gyroscope_value_old = Vector2(0, 0)
var gyroscope_value_old = Vector3(0, 0, 0)

onready var meshes = {
	"dagger": {
		"mesh": $"Main Scene Props/dagger",
		"value": 0.0,
		"label": "Dagger",
		"lock": false,
		"tick_reference": null
	}
}

func _ready():
	$Dialog/ConfirmEscape.set_title(tr("SCENE_WARCRAFT_DIALOG_QUIT_TITLE"))
	$Dialog/ConfirmEscape.set_text(tr("SCENE_WARCRAFT_DIALOG_QUIT_QUESTION"))

func _process(_delta):
	_check_quit_scene()
	_check_dissolve_mesh()
	_check_change_angle_camera()

func _check_quit_scene():
	# Event key "escape" and "godot event" ui_end
	if Input.is_action_just_pressed("ui_end"):
		_confirm_before_quit()

func _check_dissolve_mesh():
	# Event dissolve in object searched by gamer
	for mesh in meshes:
		if meshes[mesh]["lock"] == true and meshes[mesh]["mesh"] != null:
			if meshes[mesh]["tick_reference"] == null:
				meshes[mesh]["tick_reference"] = OS.get_ticks_msec()
			
			if OS.get_ticks_msec() < meshes[mesh]["tick_reference"] + time_max:
				meshes[mesh]["value"] += 0.01
				meshes[mesh]["mesh"].get_surface_material(0).set("shader_param/dissolve_amount", meshes[mesh]["value"])
			else:
				meshes[mesh]["mesh"].call_deferred("free")
				meshes[mesh]["mesh"] = null

func _check_change_angle_camera():
	var camera = $"Main Camera"
	var gyroscope = Input.get_gyroscope()
	
	if camera.h_offset >= -0.2:
		if _action_pressed("ui_left") or _gyroscope_changed_left(gyroscope):
			# print("[warcraft#_ready] move camera angle to left")
			$"Main Camera".h_offset -= 0.01

	if camera.h_offset <= 0.2:
		if _action_pressed("ui_right") or _gyroscope_changed_right(gyroscope):
			# print("[warcraft#_ready] move camera angle to right")
			$"Main Camera".h_offset += 0.01
	
	if camera.v_offset >= -0.2:
		if _action_pressed("ui_down") or _gyroscope_changed_down(gyroscope):
			# print("[warcraft#_ready] move camera angle to right")
			$"Main Camera".v_offset -= 0.01
	
	if camera.v_offset <= 0.2:
		if _action_pressed("ui_up") or _gyroscope_changed_up(gyroscope):
			# print("[warcraft#_ready] move camera angle to right")
			$"Main Camera".v_offset += 0.01
	
	gyroscope_value_old = gyroscope

func _action_pressed(action):
	return Input.is_action_just_pressed(action)

func _gyroscope_changed_left(gyroscope):
	if (gyroscope.y - gyroscope_value_old.y) > gyroscope_max_diff:
		# print("[warcraft#_ready] (left)")
		print("[warcraft#_ready] (left) y "+String(gyroscope.y)+" - y.old "+String(gyroscope_value_old.y)+" = "+String(gyroscope.y - gyroscope_value_old.y))
		return true
	else:
		return false

func _gyroscope_changed_right(gyroscope):
	if (gyroscope.y - gyroscope_value_old.y) > gyroscope_max_diff and gyroscope.y > 0:
		print("[warcraft#_ready] (right)")
		# print("[warcraft#_ready] (right) y "+String(gyroscope.y)+" - x.old "+String(gyroscope_value_old.y)+" = "+String(gyroscope.y - gyroscope_value_old.y))
		return true
	else:
		return false

func _gyroscope_changed_down(gyroscope):
	if (gyroscope.z - gyroscope_value_old.z) > gyroscope_max_diff:
		print("[warcraft#_ready] (down)")
		# print("[warcraft#_ready] (down) x "+String(gyroscope.x)+" - x.old "+String(gyroscope_value_old.x)+" = "+String(gyroscope.x - gyroscope_value_old.x))
		return true
	else:
		return false

func _gyroscope_changed_up(gyroscope):
	if (gyroscope.z - gyroscope_value_old.z) > gyroscope_max_diff and gyroscope.z > 0:
		print("[warcraft#_ready] (up)")
		# print("[warcraft#_ready] (up) x "+String(gyroscope.x)+" - x.old "+String(gyroscope_value_old.x)+" = "+String(gyroscope.x - gyroscope_value_old.x))
		return true
	else:
		return false

func _notification(what):
	# Notification for android back action
	if what == MainLoop.NOTIFICATION_WM_GO_BACK_REQUEST:
		_confirm_before_quit()

func _confirm_before_quit():
	$Dialog/ConfirmEscape.popup()

# Back to main scene
func _quit_to_menu():
	Global.goto_scene("res://scenes/main.tscn")

# Event when user click/touch dagger
func _on_dagger_input_event(camera, event, click_position, click_normal, shape_idx):
	_initialize_mesh_ref("dagger", event)

func _initialize_mesh_ref(meshInstance, event):
	if meshes[meshInstance]["lock"] == false and (event is InputEventMouseButton or event is InputEventScreenTouch):
		meshes[meshInstance]["lock"] = true

func _on_ConfirmEscape_confirmed():
	_quit_to_menu()