/*
 * Copyright 2016 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 */

#include "config.h"

#include "fu-logitech-hidpp-common.h"
#include "fu-logitech-hidpp-hidpp.h"
#include "fu-logitech-hidpp-runtime.h"
#include "fu-logitech-hidpp-struct.h"

typedef struct {
	guint8 version_bl_major;
} FuLogitechHidppRuntimePrivate;

G_DEFINE_TYPE_WITH_PRIVATE(FuLogitechHidppRuntime, fu_logitech_hidpp_runtime, FU_TYPE_HIDRAW_DEVICE)

#define GET_PRIVATE(o) (fu_logitech_hidpp_runtime_get_instance_private(o))

guint8
fu_logitech_hidpp_runtime_get_version_bl_major(FuLogitechHidppRuntime *self)
{
	FuLogitechHidppRuntimePrivate *priv;
	g_return_val_if_fail(FU_IS_LOGITECH_HIDPP_RUNTIME(self), 0);
	priv = GET_PRIVATE(self);
	return priv->version_bl_major;
}

gboolean
fu_logitech_hidpp_runtime_enable_notifications(FuLogitechHidppRuntime *self, GError **error)
{
	g_autoptr(FuLogitechHidppHidppMsg) msg = fu_logitech_hidpp_msg_new();

	msg->report_id = FU_LOGITECH_HIDPP_REPORT_ID_SHORT;
	msg->device_id = FU_LOGITECH_HIDPP_DEVICE_IDX_RECEIVER;
	msg->sub_id = FU_LOGITECH_HIDPP_SUBID_SET_REGISTER;
	msg->function_id = FU_LOGITECH_HIDPP_REGISTER_HIDPP_NOTIFICATIONS;
	msg->data[0] = 0x00;
	msg->data[1] = 0x05; /* wireless + softwarepresent */
	msg->data[2] = 0x00;
	msg->hidpp_version = 1;
	return fu_logitech_hidpp_transfer(FU_UDEV_DEVICE(self), msg, error);
}

static gboolean
fu_logitech_hidpp_runtime_probe(FuDevice *device, GError **error)
{
	FuLogitechHidppRuntime *self = FU_LOGITECH_HIDPP_RUNTIME(device);
	FuLogitechHidppRuntimePrivate *priv = GET_PRIVATE(self);
	g_autoptr(FuDevice) device_usb = NULL;
	g_autoptr(FuDevice) device_usb_iface = NULL;

	/* FuHidrawDevice->probe */
	if (!FU_DEVICE_CLASS(fu_logitech_hidpp_runtime_parent_class)->probe(device, error))
		return FALSE;

	/* generate bootloader-specific GUID */
	device_usb = fu_device_get_backend_parent_with_subsystem(device, "usb:usb_device", NULL);
	if (device_usb != NULL) {
		g_autofree gchar *devid2 = NULL;
		g_autofree gchar *prop_interface = NULL;

		if (!fu_device_probe(device_usb, error))
			return FALSE;
		switch (fu_usb_device_get_release(FU_USB_DEVICE(device_usb)) & 0xFF00) {
		case 0x1200:
			/* nordic */
			devid2 =
			    g_strdup_printf("USB\\VID_%04X&PID_%04X",
					    fu_device_get_vid(device),
					    (guint)FU_LOGITECH_HIDPP_DEVICE_PID_BOOTLOADER_NORDIC);
			fu_device_add_instance_id_full(device,
						       devid2,
						       FU_DEVICE_INSTANCE_FLAG_QUIRKS |
							   FU_DEVICE_INSTANCE_FLAG_VISIBLE |
							   FU_DEVICE_INSTANCE_FLAG_COUNTERPART);
			priv->version_bl_major = 0x01;
			break;
		case 0x2400:
			/* texas */
			devid2 =
			    g_strdup_printf("USB\\VID_%04X&PID_%04X",
					    fu_device_get_vid(device),
					    (guint)FU_LOGITECH_HIDPP_DEVICE_PID_BOOTLOADER_TEXAS);
			fu_device_add_instance_id_full(device,
						       devid2,
						       FU_DEVICE_INSTANCE_FLAG_QUIRKS |
							   FU_DEVICE_INSTANCE_FLAG_VISIBLE |
							   FU_DEVICE_INSTANCE_FLAG_COUNTERPART);
			priv->version_bl_major = 0x03;
			break;
		case 0x0500:
			/* bolt */
			device_usb_iface =
			    fu_device_get_backend_parent_with_subsystem(device,
									"usb:usb_interface",
									error);
			if (device_usb_iface == NULL)
				return FALSE;
			prop_interface =
			    fu_udev_device_read_property(FU_UDEV_DEVICE(device_usb_iface),
							 "INTERFACE",
							 error);
			if (prop_interface == NULL)
				return FALSE;
			if (g_strcmp0(prop_interface, "3/0/0") != 0) {
				g_set_error_literal(error,
						    FWUPD_ERROR,
						    FWUPD_ERROR_NOT_SUPPORTED,
						    "skipping hidraw device");
				return FALSE;
			}
			devid2 =
			    g_strdup_printf("USB\\VID_%04X&PID_%04X",
					    fu_device_get_vid(device),
					    (guint)FU_LOGITECH_HIDPP_DEVICE_PID_BOOTLOADER_BOLT);
			fu_device_add_instance_id_full(device,
						       devid2,
						       FU_DEVICE_INSTANCE_FLAG_COUNTERPART);
			priv->version_bl_major = 0x03;
			break;
		default:
			g_warning("bootloader release 0x%04x invalid",
				  (guint)fu_usb_device_get_release(FU_USB_DEVICE(device_usb)));
			break;
		}
	}
	return TRUE;
}

static void
fu_logitech_hidpp_runtime_vid_pid_notify_cb(FuDevice *device, GParamSpec *pspec, gpointer user_data)
{
	if (fu_device_get_pid(device) == 0x0)
		return;

	/* this is a non-standard extension, but essentially API */
	fu_device_add_instance_u16(device, "VID", fu_device_get_vid(device));
	fu_device_add_instance_u16(device, "PID", fu_device_get_pid(device));
	fu_device_build_instance_id(device, NULL, "UFY", "VID", "PID", NULL);

	/* for vendor */
	fu_device_build_instance_id_full(device,
					 FU_DEVICE_INSTANCE_FLAG_QUIRKS,
					 NULL,
					 "USB",
					 "VID",
					 NULL);
}

static void
fu_logitech_hidpp_runtime_class_init(FuLogitechHidppRuntimeClass *klass)
{
	FuDeviceClass *device_class = FU_DEVICE_CLASS(klass);
	device_class->probe = fu_logitech_hidpp_runtime_probe;
}

static void
fu_logitech_hidpp_runtime_init(FuLogitechHidppRuntime *self)
{
	fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UPDATABLE);
	fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_CAN_EMULATION_TAG);
	fu_device_add_private_flag(FU_DEVICE(self), FU_DEVICE_PRIVATE_FLAG_REPLUG_MATCH_GUID);
	fu_device_set_version_format(FU_DEVICE(self), FWUPD_VERSION_FORMAT_PLAIN);
	fu_device_set_vid(FU_DEVICE(self), FU_LOGITECH_HIDPP_DEVICE_VID);
	fu_device_add_icon(FU_DEVICE(self), FU_DEVICE_ICON_USB_RECEIVER);
	fu_device_set_name(FU_DEVICE(self), "Unifying Receiver");
	fu_device_set_summary(FU_DEVICE(self), "Miniaturised USB wireless receiver");
	fu_device_set_remove_delay(FU_DEVICE(self), FU_DEVICE_REMOVE_DELAY_RE_ENUMERATE);
	fu_device_set_poll_interval(FU_DEVICE(self),
				    FU_LOGITECH_HIDPP_RECEIVER_RUNTIME_POLLING_INTERVAL);
	fu_udev_device_add_open_flag(FU_UDEV_DEVICE(self), FU_IO_CHANNEL_OPEN_FLAG_READ);
	fu_udev_device_add_open_flag(FU_UDEV_DEVICE(self), FU_IO_CHANNEL_OPEN_FLAG_WRITE);
	g_signal_connect(FU_DEVICE(self),
			 "notify::vid",
			 G_CALLBACK(fu_logitech_hidpp_runtime_vid_pid_notify_cb),
			 NULL);
	g_signal_connect(FU_DEVICE(self),
			 "notify::pid",
			 G_CALLBACK(fu_logitech_hidpp_runtime_vid_pid_notify_cb),
			 NULL);
}
