extends VBoxContainer

const Brand := preload("res://scripts/ui/medmind_style.gd")
const Builder := preload("res://scripts/ui/legal_document_builder.gd")

var main: Control
var document_content: VBoxContainer
var consent: CheckBox
var accept_button: Button
var status: Label


func _ready() -> void:
	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	add_theme_constant_override("separation", 14)
	var tabs := HBoxContainer.new()
	add_child(tabs)
	for kind in ["terms", "privacy"]:
		var button := Button.new()
		button.text = "Terms of Service" if kind == "terms" else "Privacy Policy"
		button.pressed.connect(_show_document.bind(kind))
		tabs.add_child(button)
	var scroll := ScrollContainer.new()
	scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL
	scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
	add_child(scroll)
	document_content = VBoxContainer.new()
	document_content.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	document_content.add_theme_constant_override("separation", 14)
	scroll.add_child(document_content)
	consent = CheckBox.new()
	consent.text = "I agree to the Terms of Service and acknowledge the Privacy Policy."
	consent.toggled.connect(func(enabled: bool): accept_button.disabled = not enabled)
	add_child(consent)
	status = Label.new()
	status.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	add_child(status)
	var actions := HBoxContainer.new()
	actions.alignment = BoxContainer.ALIGNMENT_END
	add_child(actions)
	var logout := Button.new()
	logout.text = "Log out"
	logout.pressed.connect(_logout)
	actions.add_child(logout)
	accept_button = Button.new()
	accept_button.text = "Agree and continue"
	accept_button.disabled = true
	accept_button.pressed.connect(_accept)
	actions.add_child(accept_button)
	LegalService.acceptance_succeeded.connect(_on_accepted)
	LegalService.acceptance_failed.connect(_on_failed)
	_show_document("terms")


func on_show(_payload: Variant = null) -> void:
	consent.set_pressed_no_signal(false)
	accept_button.disabled = true
	status.text = ""


func _show_document(kind: String) -> void:
	Builder.populate(document_content, LegalService.get_document(kind))


func _accept() -> void:
	accept_button.disabled = true
	status.text = "Saving your agreement..."
	LegalService.accept_current()


func _on_accepted() -> void:
	status.text = ""
	main.show_screen("dashboard")


func _on_failed(message: String) -> void:
	status.text = message
	accept_button.disabled = not consent.button_pressed


func _logout() -> void:
	AuthState.clear_session()
	main.show_screen("login")