extends PopupPanel

## Dynamic settings popup for a specific plugin.
## Touch-friendly: large close button, exclusive modal, ample control sizes.

const CLOSE_BTN_SIZE: Vector2 = Vector2(56, 56)
const WINDOW_CORNER_RADIUS: float = 12.0

var _plugin_id: String = ""
var _controls: Dictionary = {}  # setting_key -> Control


func setup(plugin_id: String) -> void:
	_plugin_id = plugin_id
	exclusive = true
	_build_ui()


func _build_ui() -> void:
	# Window background with rounded corners
	var bg := StyleBoxFlat.new()
	bg.bg_color = Color(0.12, 0.12, 0.16, 1.0)
	bg.corner_radius_top_left = WINDOW_CORNER_RADIUS
	bg.corner_radius_top_right = WINDOW_CORNER_RADIUS
	bg.corner_radius_bottom_left = WINDOW_CORNER_RADIUS
	bg.corner_radius_bottom_right = WINDOW_CORNER_RADIUS
	add_theme_stylebox_override("panel", bg)

	# Content area — leave right margin for the overlaid close button
	var mc := MarginContainer.new()
	mc.add_theme_constant_override("margin_left", 16)
	mc.add_theme_constant_override("margin_right", 16 + CLOSE_BTN_SIZE.x)
	mc.add_theme_constant_override("margin_top", 12)
	mc.add_theme_constant_override("margin_bottom", 12)
	add_child(mc)

	var vbox := VBoxContainer.new()
	vbox.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	vbox.size_flags_vertical = Control.SIZE_EXPAND_FILL
	mc.add_child(vbox)

	# Title bar
	var title_bar := HBoxContainer.new()
	var title_label := Label.new()
	var info: Dictionary = PluginManager.get_plugin(_plugin_id)
	title_label.text = "%s Settings" % info.get("name", _plugin_id)
	title_label.add_theme_font_size_override("font_size", 20)
	title_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	title_bar.add_child(title_label)
	vbox.add_child(title_bar)

	vbox.add_child(HSeparator.new())

	# Setting rows
	var settings: Array[Dictionary] = PluginManager.get_plugin_settings(_plugin_id)
	if settings.is_empty():
		var empty := Label.new()
		empty.text = "No configurable settings for this plugin."
		empty.modulate = Color(0.5, 0.5, 0.55)
		empty.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
		vbox.add_child(empty)
		return

	var inner := MarginContainer.new()
	inner.add_theme_constant_override("margin_left", 4)
	inner.add_theme_constant_override("margin_right", 4)
	inner.add_theme_constant_override("margin_top", 10)
	inner.size_flags_vertical = Control.SIZE_EXPAND_FILL
	vbox.add_child(inner)

	var scroll := ScrollContainer.new()
	scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL
	inner.add_child(scroll)

	var form := VBoxContainer.new()
	form.add_theme_constant_override("separation", 14)
	form.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	scroll.add_child(form)

	for sd in settings:
		var key: String = sd.get("key", "")
		if key.is_empty():
			continue
		var label_text: String = sd.get("label", key)
		var stype: String = sd.get("type", "string")
		var default_val: Variant = sd.get("default", null)
		var current_val: Variant = PluginManager.get_plugin_setting(_plugin_id, key, default_val)

		var row := HBoxContainer.new()
		row.size_flags_horizontal = Control.SIZE_EXPAND_FILL

		var lbl := Label.new()
		lbl.text = label_text
		lbl.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		lbl.mouse_filter = Control.MOUSE_FILTER_PASS
		row.add_child(lbl)

		var ctrl := _build_control(stype, key, current_val, sd)
		if ctrl != null:
			ctrl.custom_minimum_size = Vector2(180, 40)
			_controls[key] = ctrl
			row.add_child(ctrl)

		form.add_child(row)

	# Red corner close button (overlaid, anchored top-right, flush to edge)
	var close_button := Button.new()
	close_button.text = "✕"
	close_button.add_theme_font_size_override("font_size", 22)
	close_button.flat = true
	close_button.pressed.connect(_close)
	close_button.custom_minimum_size = CLOSE_BTN_SIZE

	var btn_style := StyleBoxFlat.new()
	btn_style.bg_color = Color(1.0, 0.0, 0.0, 1.0)
	btn_style.corner_radius_top_right = WINDOW_CORNER_RADIUS
	btn_style.corner_radius_bottom_left = WINDOW_CORNER_RADIUS
	btn_style.corner_radius_top_left = 0
	btn_style.corner_radius_bottom_right = 0
	btn_style.set_corner_radius(Corner.CORNER_TOP_RIGHT, WINDOW_CORNER_RADIUS)
	btn_style.set_corner_radius(Corner.CORNER_BOTTOM_LEFT, WINDOW_CORNER_RADIUS)
	close_button.add_theme_stylebox_override("normal", btn_style)

	var hover_style := StyleBoxFlat.new()
	hover_style.bg_color = Color(0.85, 0.0, 0.0, 1.0)
	hover_style.corner_radius_top_right = WINDOW_CORNER_RADIUS
	hover_style.corner_radius_bottom_left = WINDOW_CORNER_RADIUS
	hover_style.corner_radius_top_left = 0
	hover_style.corner_radius_bottom_right = 0
	close_button.add_theme_stylebox_override("hover", hover_style)

	var pressed_style := StyleBoxFlat.new()
	pressed_style.bg_color = Color(0.7, 0.0, 0.0, 1.0)
	pressed_style.corner_radius_top_right = WINDOW_CORNER_RADIUS
	pressed_style.corner_radius_bottom_left = WINDOW_CORNER_RADIUS
	pressed_style.corner_radius_top_left = 0
	pressed_style.corner_radius_bottom_right = 0
	close_button.add_theme_stylebox_override("pressed", pressed_style)

	close_button.set_anchors_preset(Control.PRESET_TOP_RIGHT)
	add_child(close_button)


func _build_control(stype: String, key: String, val: Variant, defn: Dictionary) -> Control:
	match stype:
		"int":
			var sb := SpinBox.new()
			sb.min_value = defn.get("min", -999999)
			sb.max_value = defn.get("max", 999999)
			sb.step = 1
			sb.value = int(val) if val != null else int(defn.get("default", 0))
			sb.custom_minimum_size = Vector2(0, 40)
			sb.value_changed.connect(_on_value_changed.bind(key))
			return sb

		"float":
			var sb := SpinBox.new()
			sb.min_value = defn.get("min", -999999.0)
			sb.max_value = defn.get("max", 999999.0)
			sb.step = defn.get("step", 0.1)
			sb.value = float(val) if val != null else float(defn.get("default", 0.0))
			sb.custom_minimum_size = Vector2(0, 40)
			sb.value_changed.connect(_on_value_changed.bind(key))
			return sb

		"bool":
			var cb := CheckBox.new()
			cb.button_pressed = bool(val) if val != null else bool(defn.get("default", false))
			cb.custom_minimum_size = Vector2(0, 40)
			cb.toggled.connect(_on_toggled.bind(key))
			return cb

		_:
			# string / default
			var le := LineEdit.new()
			le.text = str(val) if val != null else str(defn.get("default", ""))
			le.custom_minimum_size = Vector2(0, 40)
			le.text_changed.connect(_on_text_changed.bind(key))
			return le


func _on_value_changed(value: float, key: String) -> void:
	PluginManager.set_plugin_setting(_plugin_id, key, value)


func _on_toggled(checked: bool, key: String) -> void:
	PluginManager.set_plugin_setting(_plugin_id, key, checked)


func _on_text_changed(text: String, key: String) -> void:
	PluginManager.set_plugin_setting(_plugin_id, key, text)


func _close() -> void:
	queue_free()