extends Control


var dir = Directory.new()

# Called when the node enters the scene tree for the first time.
func _ready():
	OS.request_permissions()
	$ImportDialog.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	$ExportDialog.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	if OS.get_name() == "HTML5":
		$pm/opts/save.hide()
		$pm/opts/delete.hide()
	get_tree().connect("files_dropped",self,"_on_file_drop")


func _on_List_item_selected(index):
	#update buttons if to be clickable.
	var preyname = $pm/List.get_item_text(index)
	var dat = Global.preydata[preyname]
	#print(dat)
	$pm/opts/delete.disabled = (dat.get('file') == null)
	$pm/opts/remove.disabled = false
	$pm/opts/save.disabled = (dat.get('file') != null)
	$pm/opts/edit.disabled = false
	$pm/opts/copy.disabled = false
	$pm/opts/export.disabled = false


func _on_List_nothing_selected():
	#print("nothing selected")
	$pm/opts/delete.disabled = true
	$pm/opts/remove.disabled = true
	$pm/opts/save.disabled = true
	$pm/opts/edit.disabled = true
	$pm/opts/copy.disabled = true
	$pm/opts/export.disabled = true


func _on_remove_pressed():
	var index = $pm/List.get_selected_items()[0]
	var preyname = $pm/List.get_item_text(index)
	Global.preydata.erase(preyname)
	$pm/List.remove_item(index)
	_on_List_nothing_selected()


func _on_delete_pressed():
	$DelConf.popup_centered()


func _on_save_pressed():
	$SaveConf.popup_centered()


func _on_DelConf_confirmed():
	#delete prey file from disk
	var index = $pm/List.get_selected_items()[0]
	var preyname = $pm/List.get_item_text(index)
	dir.remove(Global.preydata[preyname]['file'])
	Global.preydata[preyname]['file'] = null
	$pm/opts/save.disabled = false
	$pm/opts/delete.disabled = true


func _on_edit_pressed():
	var preyname = $pm/List.prey_selected()
	Global.preytoedit = preyname
	get_tree().change_scene("res://PreyEdit.tscn")


func _on_add_pressed():
	if OS.get_name() == "HTML5":
		OS.alert("To import prey in the browser, drag and drop a PNG image or .prey file into the Prey Manager.")
	else:
		$ImportDialog.popup_centered()


func _on_ImportDialog_file_selected(path):
	if Global.import_prey(path,true):
		$pm/List.refresh()
	else:
		print("err")


func _on_SaveConf_confirmed():
	var preyname = $pm/List.prey_selected()
	print("selected is ",preyname)
	var fname = "user://prey/"+preyname+".prey"
	Global.save_prey(fname,preyname)
	Global.preydata[preyname]['file'] = fname
	$pm/opts/save.disabled = true
	$pm/opts/delete.disabled = false


func _on_export_pressed():
	var preyname = $pm/List.prey_selected()
	if OS.get_name() == "HTML5":
		Global.save_prey("/tmp/prey",preyname)
		var temp = File.new()
		temp.open("/tmp/prey",File.READ)
		JavaScript.download_buffer(temp.get_buffer(temp.get_len()),preyname+".prey")
		temp.close()
	else:
		$ExportDialog.popup_centered()


func _on_file_drop(files:PoolStringArray,from_screen):
	for file in files:
		Global.import_prey(file,true)
		$pm/List.refresh()


func _on_copy_pressed():
	var preyname = $pm/List.prey_selected()
	var newprey:String = preyname+" Copy "
	var i:int = 1
	while Global.preydata.has(newprey+str(i)):
		i+=1
	newprey += str(i)
	Global.preydata[newprey] = Global.preydata[preyname].duplicate(true)
	Global.preydata[newprey]["file"] = null #make sure new prey is only in memory
	Global.preydata[newprey]["shape"] = Global.preydata[preyname]["shape"].duplicate()
	$pm/List.refresh()


func _on_ExportDialog_file_selected(path):
	var preyname = $pm/List.prey_selected()
	Global.save_prey(path,preyname)