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/// **************************************************************************
/// Copyright (c) 2015 Osspial All Rights Reserved.
///
/// This file is part of hidapi-rs, based on hidapi_rust by Roland Ruckerbauer.
/// *************************************************************************
// For documentation look at the corresponding C header file hidapi.h
use libc::{c_char, c_int, c_uchar, c_ushort, c_void, size_t, wchar_t};

pub type HidDevice = c_void;

#[repr(C)]
pub struct HidDeviceInfo {
    pub path: *mut c_char,
    pub vendor_id: c_ushort,
    pub product_id: c_ushort,
    pub serial_number: *mut wchar_t,
    pub release_number: c_ushort,
    pub manufacturer_string: *mut wchar_t,
    pub product_string: *mut wchar_t,
    pub usage_page: c_ushort,
    pub usage: c_ushort,
    pub interface_number: c_int,
    pub next: *mut HidDeviceInfo,
}

#[allow(dead_code)]
extern "C" {
    pub fn hid_init() -> c_int;
    pub fn hid_exit() -> c_int;
    pub fn hid_enumerate(vendor_id: c_ushort, product_id: c_ushort) -> *mut HidDeviceInfo;
    pub fn hid_free_enumeration(hid_device_info: *mut HidDeviceInfo);
    pub fn hid_open(
        vendor_id: c_ushort,
        product_id: c_ushort,
        serial_number: *const wchar_t,
    ) -> *mut HidDevice;
    pub fn hid_open_path(path: *const c_char) -> *mut HidDevice;
    pub fn hid_write(device: *mut HidDevice, data: *const c_uchar, length: size_t) -> c_int;
    pub fn hid_read_timeout(
        device: *mut HidDevice,
        data: *mut c_uchar,
        length: size_t,
        milleseconds: c_int,
    ) -> c_int;
    pub fn hid_read(device: *mut HidDevice, data: *mut c_uchar, length: size_t) -> c_int;
    pub fn hid_set_nonblocking(device: *mut HidDevice, nonblock: c_int) -> c_int;
    pub fn hid_send_feature_report(
        device: *mut HidDevice,
        data: *const c_uchar,
        length: size_t,
    ) -> c_int;
    pub fn hid_get_feature_report(
        device: *mut HidDevice,
        data: *mut c_uchar,
        length: size_t,
    ) -> c_int;
    pub fn hid_close(device: *mut HidDevice);
    pub fn hid_get_manufacturer_string(
        device: *mut HidDevice,
        string: *mut wchar_t,
        maxlen: size_t,
    ) -> c_int;
    pub fn hid_get_product_string(
        device: *mut HidDevice,
        string: *mut wchar_t,
        maxlen: size_t,
    ) -> c_int;
    pub fn hid_get_serial_number_string(
        device: *mut HidDevice,
        string: *mut wchar_t,
        maxlen: size_t,
    ) -> c_int;
    pub fn hid_get_indexed_string(
        device: *mut HidDevice,
        string_index: c_int,
        string: *mut wchar_t,
        maxlen: size_t,
    ) -> c_int;
    pub fn hid_error(device: *mut HidDevice) -> *const wchar_t;
}