// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_IOS_DEVICE_UTIL_H_
#define BASE_IOS_DEVICE_UTIL_H_

#include <stdint.h>

#include <string>

namespace ios {
namespace device_util {

// Returns the hardware version of the device the app is running on.
//
// The returned string is the string returned by sysctlbyname() with name
// "hw.machine". Possible (known) values include:
//
// iPhone7,1 -> iPhone 6 Plus
// iPhone7,2 -> iPhone 6
// iPhone8,1 -> iPhone 6s
// iPhone8,2 -> iPhone 6s Plus
// iPhone8,4 -> iPhone SE (GSM)
// iPhone9,1 -> iPhone 7
// iPhone9,2 -> iPhone 7 Plus
// iPhone9,3 -> iPhone 7
// iPhone9,4 -> iPhone 7 Plus
// iPhone10,1 -> iPhone 8
// iPhone10,2 -> iPhone 8 Plus
// iPhone10,3 -> iPhone X Global
// iPhone10,4 -> iPhone 8
// iPhone10,5 -> iPhone 8 Plus
// iPhone10,6 -> iPhone X GSM
// iPhone11,2 -> iPhone XS
// iPhone11,4 -> iPhone XS Max
// iPhone11,6 -> iPhone XS Max Global
// iPhone11,8 -> iPhone XR
// iPhone12,1 -> iPhone 11
// iPhone12,3 -> iPhone 11 Pro
// iPhone12,5 -> iPhone 11 Pro Max
// iPhone12,8 -> iPhone SE 2nd Gen
// iPhone13,1 -> iPhone 12 Mini
// iPhone13,2 -> iPhone 12
// iPhone13,3 -> iPhone 12 Pro
// iPhone13,4 -> iPhone 12 Pro Max
// iPhone14,2 -> iPhone 13 Pro
// iPhone14,3 -> iPhone 13 Pro Max
// iPhone14,4 -> iPhone 13 Mini
// iPhone14,5 -> iPhone 13
// iPhone14,6 -> iPhone SE 3rd Gen
// iPhone14,7 -> iPhone 14
// iPhone14,8 -> iPhone 14 Plus
// iPhone15,2 -> iPhone 14 Pro
// iPhone15,3 -> iPhone 14 Pro Max
//
// iPad3,4 -> 4th Gen iPad
// iPad3,5 -> 4th Gen iPad GSM+LTE
// iPad3,6 -> 4th Gen iPad CDMA+LTE
// iPad4,1 -> iPad Air (WiFi)
// iPad4,2 -> iPad Air (GSM+CDMA)
// iPad4,3 -> 1st Gen iPad Air (China)
// iPad4,4 -> iPad mini Retina (WiFi)
// iPad4,5 -> iPad mini Retina (GSM+CDMA)
// iPad4,6 -> iPad mini Retina (China)
// iPad4,7 -> iPad mini 3 (WiFi)
// iPad4,8 -> iPad mini 3 (GSM+CDMA)
// iPad4,9 -> iPad Mini 3 (China)
// iPad5,1 -> iPad mini 4 (WiFi)
// iPad5,2 -> 4th Gen iPad mini (WiFi+Cellular)
// iPad5,3 -> iPad Air 2 (WiFi)
// iPad5,4 -> iPad Air 2 (Cellular)
// iPad6,3 -> iPad Pro (9.7 inch, WiFi)
// iPad6,4 -> iPad Pro (9.7 inch, WiFi+LTE)
// iPad6,7 -> iPad Pro (12.9 inch, WiFi)
// iPad6,8 -> iPad Pro (12.9 inch, WiFi+LTE)
// iPad6,11 -> iPad (2017)
// iPad6,12 -> iPad (2017)
// iPad7,1 -> iPad Pro 2nd Gen (WiFi)
// iPad7,2 -> iPad Pro 2nd Gen (WiFi+Cellular)
// iPad7,3 -> iPad Pro 10.5-inch 2nd Gen
// iPad7,4 -> iPad Pro 10.5-inch 2nd Gen
// iPad7,5 -> iPad 6th Gen (WiFi)
// iPad7,6 -> iPad 6th Gen (WiFi+Cellular)
// iPad7,11 -> iPad 7th Gen 10.2-inch (WiFi)
// iPad7,12 -> iPad 7th Gen 10.2-inch (WiFi+Cellular)
// iPad8,1 -> iPad Pro 11 inch 3rd Gen (WiFi)
// iPad8,2 -> iPad Pro 11 inch 3rd Gen (1TB, WiFi)
// iPad8,3 -> iPad Pro 11 inch 3rd Gen (WiFi+Cellular)
// iPad8,4 -> iPad Pro 11 inch 3rd Gen (1TB, WiFi+Cellular)
// iPad8,5 -> iPad Pro 12.9 inch 3rd Gen (WiFi)
// iPad8,6 -> iPad Pro 12.9 inch 3rd Gen (1TB, WiFi)
// iPad8,7 -> iPad Pro 12.9 inch 3rd Gen (WiFi+Cellular)
// iPad8,8 -> iPad Pro 12.9 inch 3rd Gen (1TB, WiFi+Cellular)
// iPad8,9 -> iPad Pro 11 inch 4th Gen (WiFi)
// iPad8,10 -> iPad Pro 11 inch 4th Gen (WiFi+Cellular)
// iPad8,11 -> iPad Pro 12.9 inch 4th Gen (WiFi)
// iPad8,12 -> iPad Pro 12.9 inch 4th Gen (WiFi+Cellular)
// iPad11,1 -> iPad mini 5th Gen (WiFi)
// iPad11,2 -> iPad mini 5th Gen
// iPad11,3 -> iPad Air 3rd Gen (WiFi)
// iPad11,4 -> iPad Air 3rd Gen
// iPad11,6 -> iPad 8th Gen (WiFi)
// iPad11,7 -> iPad 8th Gen (WiFi+Cellular)
// iPad12,1 -> iPad 9th Gen (WiFi)
// iPad12,2 -> iPad 9th Gen (WiFi+Cellular)
// iPad14,1 -> iPad mini 6th Gen (WiFi)
// iPad14,2 -> iPad mini 6th Gen (WiFi+Cellular)
// iPad13,1 -> iPad Air 4th Gen (WiFi)
// iPad13,2 -> iPad Air 4th Gen (WiFi+Cellular)
// iPad13,4 -> iPad Pro 11 inch 5th Gen
// iPad13,5 -> iPad Pro 11 inch 5th Gen
// iPad13,6 -> iPad Pro 11 inch 5th Gen
// iPad13,7 -> iPad Pro 11 inch 5th Gen
// iPad13,8 -> iPad Pro 12.9 inch 5th Gen
// iPad13,9 -> iPad Pro 12.9 inch 5th Gen
// iPad13,10 -> iPad Pro 12.9 inch 5th Gen
// iPad13,11 -> iPad Pro 12.9 inch 5th Gen
// iPad13,16 -> iPad Air 5th Gen (WiFi)
// iPad13,17 -> iPad Air 5th Gen (WiFi+Cellular)
//
// AppleTV2,1 -> AppleTV 2
std::string GetPlatform();

// Returns true if the application is running on a device with 512MB or more
// RAM.
bool RamIsAtLeast512Mb();

// Returns true if the application is running on a device with 1024MB or more
// RAM.
bool RamIsAtLeast1024Mb();

// Returns true if the application is running on a device with |ram_in_mb| MB or
// more RAM.
// Use with caution! Actual RAM reported by devices is less than the commonly
// used powers-of-two values. For example, a 512MB device may report only 502MB
// RAM. The convenience methods above should be used in most cases because they
// correctly handle this issue.
bool RamIsAtLeast(uint64_t ram_in_mb);

// Returns true if the device has only one core.
bool IsSingleCoreDevice();

// Returns the MAC address of the interface with name |interface_name|.
std::string GetMacAddress(const std::string& interface_name);

// Returns a random UUID.
std::string GetRandomId();

// Returns an identifier for the device, using the given |salt|. A global
// identifier is generated the first time this method is called, and the salt
// is used to be able to generate distinct identifiers for the same device. If
// |salt| is NULL, a default value is used. Unless you are using this value for
// something that should be anonymous, you should probably pass NULL.
std::string GetDeviceIdentifier(const char* salt);

// Returns the iOS Vendor ID for this device. Using this value can have privacy
// implications.
std::string GetVendorId();

// Returns a hashed version of |in_string| using |salt| (which must not be
// zero-length). Different salt values should result in differently hashed
// strings.
std::string GetSaltedString(const std::string& in_string,
                            const std::string& salt);

}  // namespace device_util
}  // namespace ios

#endif  // BASE_IOS_DEVICE_UTIL_H_