extends Control

const GAME_SCENE := "res://scenes/game/game.tscn"
const MENU_BACKGROUND := preload("res://assets/background/background_menu.jpg")

func _ready() -> void:
	_build_menu()

func _build_menu() -> void:
	var background := TextureRect.new()
	background.name = "Background"
	background.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	background.texture = MENU_BACKGROUND
	background.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
	background.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_COVERED
	add_child(background)

	var shade := ColorRect.new()
	shade.name = "Shade"
	shade.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	shade.color = Color(0.015, 0.025, 0.06, 0.42)
	add_child(shade)

	var layout := VBoxContainer.new()
	layout.name = "MenuLayout"
	layout.set_anchors_preset(Control.PRESET_CENTER_LEFT)
	layout.position = Vector2(90, -190)
	layout.custom_minimum_size = Vector2(390, 380)
	layout.add_theme_constant_override("separation", 18)
	add_child(layout)

	var title := Label.new()
	title.text = "RANDOLOOT"
	title.add_theme_font_size_override("font_size", 54)
	title.add_theme_color_override("font_color", Color(0.92, 0.96, 1.0))
	layout.add_child(title)

	var subtitle := Label.new()
	subtitle.text = "SPACE ROGUELITE"
	subtitle.add_theme_font_size_override("font_size", 16)
	subtitle.add_theme_color_override("font_color", Color(0.48, 0.78, 1.0))
	layout.add_child(subtitle)

	var spacer := Control.new()
	spacer.custom_minimum_size.y = 12
	layout.add_child(spacer)

	_add_button(layout, "Start", _start_game, true)
	_add_button(layout, "Wgraj / Zapisz", Callable(), false)
	_add_button(layout, "Opcje", Callable(), false)
	_add_button(layout, "Wyjście", _exit_game, false)

func _add_button(parent: VBoxContainer, label: String, action: Callable, primary: bool) -> void:
	var button := Button.new()
	button.text = label
	button.custom_minimum_size = Vector2(300, 54)
	button.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
	button.add_theme_font_size_override("font_size", 20)
	var normal := StyleBoxFlat.new()
	normal.bg_color = Color(0.10, 0.33, 0.55, 0.92) if primary else Color(0.035, 0.075, 0.13, 0.88)
	normal.border_color = Color(0.20, 0.68, 0.95, 0.9) if primary else Color(0.26, 0.43, 0.58, 0.75)
	normal.set_border_width_all(1)
	normal.set_corner_radius_all(5)
	normal.content_margin_left = 22
	button.add_theme_stylebox_override("normal", normal)
	var hover := normal.duplicate() as StyleBoxFlat
	hover.bg_color = Color(0.14, 0.44, 0.68, 0.98) if primary else Color(0.08, 0.17, 0.27, 0.98)
	button.add_theme_stylebox_override("hover", hover)
	button.add_theme_stylebox_override("pressed", hover)
	if action.is_valid():
		button.pressed.connect(action)
	parent.add_child(button)

func _start_game() -> void:
	get_tree().change_scene_to_file(GAME_SCENE)

func _exit_game() -> void:
	get_tree().quit()