extends Control

export var text = "" setget setText

export var wordSpacing = 6
signal wordSpacingChanged

const line_scriptLocation = "res://staging/interactiveText2/line.gd"

func _ready():

    $paragraph.connect("resized",self,"refreshMinSize")
    #test
    setText("1 2 3 4 5 6 7 8 9\n10  11 12 13 14 15 165")
    pass

func refreshMinSize():
    $paragraph.rect_size = Vector2(0,0)
    rect_min_size.y = $paragraph.rect_size.y
    pass

func setText(newText):
    #analyzing session
    var paragraph = []
    var words = []

    var processedWord = ""

    for letter in newText:

        if letter == "\n":
            words.append(processedWord)
            paragraph.append(words.duplicate(false))
            words.clear()
            processedWord = ""
        elif letter == " ":
            #processedWord += " "
            words.append(processedWord)
            processedWord = ""
        else:
            processedWord += letter

    words.append(processedWord)
    paragraph.append(words.duplicate(false))

    text = newText

    printText(paragraph)
    return paragraph

func printText(paragraph):
    var width = rect_size.x
    var paragraphNode = get_node("paragraph")

    print(paragraphNode)
    for i in paragraphNode.get_children():
        i.free()

    for lines in paragraph:
        var linesNode = VBoxContainer.new()
        paragraphNode.add_child(linesNode)

        var currentLine = _createLine()
        linesNode.add_child(currentLine)
        var lineWidth = 0.0

        for word in lines:
            var wordNode = _createWord(word)

            currentLine.add_child(wordNode)

#           printt(
#           currentLine.rect_size.x,"+",wordNode.rect_size.x,
#           "=",currentLine.rect_size.x + wordNode.rect_size.x,
#           ">",width)

            printt(lineWidth ,"+", wordNode.rect_size.x,"=", lineWidth + wordNode.rect_size.x,">", width)

            if (lineWidth + wordNode.rect_size.x > width):

                var newLine = _createLine()
                currentLine.next = newLine

                currentLine.remove_child(wordNode)
                newLine.add_child(wordNode)

                linesNode.add_child(newLine)

                currentLine = newLine
                lineWidth = 0.0 + wordNode.rect_size.x + wordSpacing
            else:
                lineWidth += wordNode.rect_size.x + wordSpacing

            pass

func _createLine():
    var newLine = HBoxContainer.new()
    newLine.set_script( load(line_scriptLocation) )
    newLine["size_flags_horizontal"] = false
    newLine.set('custom_constants/separation', wordSpacing)
    connect("wordSpacingChanged",newLine,"setSpacing")
    return newLine

func _createWord(word):
    var label = Label.new()
    label.text = word
    label.name = word
    return label