class_name TimeEntriesItemsTree extends Tree

enum COL{
	TEXT,
	TIME
}

var config: ConfigManager = preload("res://config_manager.tres")

var current_item: TreeItem

func _ready() -> void:
	config.file_changed.connect(populate_entries)
	populate_entries()


func populate_entries() -> void:
	clear()
	var _root := create_item()
	var entries_names := config.timesheet.entries_names
	for entry_name in entries_names:
		append_name_to_tree(entry_name, entries_names[entry_name])


func set_time_elapsed(total_elapsed: int) -> void:
	current_item.set_text(COL.TIME, TimeEntry.time_to_period(total_elapsed))
	current_item.set_metadata(COL.TIME, total_elapsed)


func set_current_item(task_name: String) -> void:
	current_item = append_name_to_tree(task_name, 0)



func get_current_text() -> String:
	var item := get_selected()
	if not item:
		return ""
	
	var resp = item.get_metadata(COL.TEXT)
	if resp is String:
		return resp
	return ""


## Adds a new item to the tree, or returns the old item if it exists
func append_name_to_tree(task_name: String, total_elapsed := 0) -> TreeItem:
	var item := get_root()
	for item_name in task_name.split("/"):
		item.collapsed = false
		item = find_item(item, item_name, true)
	item.set_metadata(COL.TEXT, task_name)
	item.set_text(COL.TIME, TimeEntry.time_to_period(total_elapsed))
	item.set_metadata(COL.TIME, total_elapsed)
	scroll_to_item(item)
	return item


## Finds an item in the tree by text
func find_item(root: TreeItem, item_name: String, or_create: bool) -> TreeItem:
	for child in root.get_children():
		if child.get_text(COL.TEXT) == item_name:
			return child
	if or_create:
		var child := root.create_child()
		child.set_text(COL.TEXT, item_name)
		child.set_text(COL.TIME, Consts.NO_TIME)
		return child
	return null