extends Control

const Brand := preload("res://scripts/ui/medmind_style.gd")
const NotesEditor := preload("res://scripts/ui/notes_editor.gd")

signal closed

var panel: PanelContainer
var notes_editor: VBoxContainer
var theme_service: Node
var block_session_service: Node


func _ready() -> void:
	theme_service = get_node("/root/UIThemeService")
	block_session_service = get_node("/root/BlockSessionService")
	visible = false
	top_level = true
	mouse_filter = Control.MOUSE_FILTER_STOP
	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	var dim := ColorRect.new()
	dim.color = Color(0, 0, 0, 0.72)
	dim.set_anchors_preset(Control.PRESET_FULL_RECT)
	dim.gui_input.connect(_on_dim_input)
	add_child(dim)
	var center := CenterContainer.new()
	center.set_anchors_preset(Control.PRESET_FULL_RECT)
	add_child(center)
	panel = PanelContainer.new()
	panel.custom_minimum_size = Vector2(760, 650)
	center.add_child(panel)
	var content := VBoxContainer.new()
	content.add_theme_constant_override("separation", 12)
	panel.add_child(content)
	var header := HBoxContainer.new()
	content.add_child(header)
	var title := Label.new()
	title.text = "Notes"
	title.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	title.add_theme_font_override("font", Brand.font)
	title.add_theme_font_size_override("font_size", 26)
	header.add_child(title)
	var close_button := Button.new()
	close_button.icon = preload("res://assets/icons/lucide/x.svg")
	close_button.tooltip_text = "Close notes"
	close_button.custom_minimum_size = Vector2(42, 42)
	close_button.add_theme_constant_override("icon_max_width", 20)
	close_button.pressed.connect(hide_dialog)
	header.add_child(close_button)
	notes_editor = NotesEditor.new()
	content.add_child(notes_editor)
	theme_service.theme_changed.connect(_on_theme_changed)
	resized.connect(_fit_panel)
	_apply_theme()
	_fit_panel()


func show_dialog() -> void:
	notes_editor.activate()
	visible = true
	move_to_front()
	block_session_service.pause_current_question_timer()
	call_deferred("_focus_editor")


func hide_dialog() -> void:
	if not visible:
		return
	visible = false
	get_node("/root/NotesService").flush()
	block_session_service.resume_current_question_timer()
	closed.emit()


func _focus_editor() -> void:
	notes_editor.focus_editor()


func _input(event: InputEvent) -> void:
	if visible and event.is_action_pressed("ui_cancel"):
		hide_dialog()
		get_viewport().set_input_as_handled()


func _on_dim_input(event: InputEvent) -> void:
	var mouse_event := event as InputEventMouseButton
	if mouse_event != null and mouse_event.pressed and mouse_event.button_index == MOUSE_BUTTON_LEFT:
		hide_dialog()
		get_viewport().set_input_as_handled()


func _on_theme_changed(_dark: bool) -> void:
	_apply_theme()


func _apply_theme() -> void:
	panel.add_theme_stylebox_override("panel", Brand.panel_box(theme_service.is_dark_mode()))


func _fit_panel() -> void:
	if panel == null:
		return
	var available := get_viewport_rect().size - Vector2(32, 32)
	var target_size := Vector2(
		minf(760.0, maxf(300.0, available.x)),
		minf(650.0, maxf(420.0, available.y)))
	if panel.custom_minimum_size != target_size:
		panel.custom_minimum_size = target_size