class_name StepVisualization
extends Node2D

static var game_manager: GameManager
static var world: World
#
enum LineType { SEARCH_BASE, SEARCH_SELECTED }
#
# Dictionary[Array[Vector2i], LineType] ([from, to], line_type)
static var draw_lines: Dictionary = {}


static func add_line(from: Vector2i, to: Vector2i, line_type: LineType) -> void:
    draw_lines[[from, to]] = line_type


static func add_line_tileset(from: Vector2i, to: Vector2i, line_type: LineType) -> void:
    var from_tileset: Vector2i = world.tilemap_ground.cell_to_local(from)
    var to_tileset: Vector2i   = world.tilemap_ground.cell_to_local(to)
    draw_lines[[from_tileset, to_tileset]] = line_type


func game_tick_start():
    draw_lines.clear()


func game_tick_end():
    queue_redraw()

var label_font = Control.new().get_theme_default_font()

@export var default_line_color: Color = Color("red")


func _ready() -> void:
    pass


func _draw() -> void:
    # draw all draw_lines with their labels
    for key in draw_lines.keys():
        var from: Vector2i      = key[0]
        var to: Vector2i        = key[1]
        var line_type: LineType = draw_lines[key]

        if line_type == LineType.SEARCH_BASE:
            draw_line(from, to, Color("blue"), 1)
        elif line_type == LineType.SEARCH_SELECTED:
            draw_line(from, to, Color("green"), 2)

            # var center: Vector2 = (from + to) / 2
            # draw_string(label_font, center, label, 0, -1, 12, text_color)