#import "Release.h"
#import "DiscardingLog.h"
#import "PhoneManager.h"
#import "PhoneNumberUtil.h"
#import "RecentCallManager.h"
#import "PhoneNumberDirectoryFilterManager.h"

#define RELEASE_ZRTP_CLIENT_ID @"Whisper 000     ".encodedAsAscii
#define RELEASE_ZRTP_VERSION_ID @"1.10".encodedAsAscii

#define TESTING_ZRTP_CLIENT_ID @"RedPhone 019    ".encodedAsAscii
#define TESTING_ZRTP_VERSION_ID @"1.10".encodedAsAscii

static unsigned char DH3K_PRIME[]={
    0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC9,0x0F,0xDA,0xA2,0x21,0x68,0xC2,
    0x34,0xC4,0xC6,0x62,0x8B,0x80,0xDC,0x1C,0xD1,0x29,0x02,0x4E,0x08,0x8A,0x67,
    0xCC,0x74,0x02,0x0B,0xBE,0xA6,0x3B,0x13,0x9B,0x22,0x51,0x4A,0x08,0x79,0x8E,
    0x34,0x04,0xDD,0xEF,0x95,0x19,0xB3,0xCD,0x3A,0x43,0x1B,0x30,0x2B,0x0A,0x6D,
    0xF2,0x5F,0x14,0x37,0x4F,0xE1,0x35,0x6D,0x6D,0x51,0xC2,0x45,0xE4,0x85,0xB5,
    0x76,0x62,0x5E,0x7E,0xC6,0xF4,0x4C,0x42,0xE9,0xA6,0x37,0xED,0x6B,0x0B,0xFF,
    0x5C,0xB6,0xF4,0x06,0xB7,0xED,0xEE,0x38,0x6B,0xFB,0x5A,0x89,0x9F,0xA5,0xAE,
    0x9F,0x24,0x11,0x7C,0x4B,0x1F,0xE6,0x49,0x28,0x66,0x51,0xEC,0xE4,0x5B,0x3D,
    0xC2,0x00,0x7C,0xB8,0xA1,0x63,0xBF,0x05,0x98,0xDA,0x48,0x36,0x1C,0x55,0xD3,
    0x9A,0x69,0x16,0x3F,0xA8,0xFD,0x24,0xCF,0x5F,0x83,0x65,0x5D,0x23,0xDC,0xA3,
    0xAD,0x96,0x1C,0x62,0xF3,0x56,0x20,0x85,0x52,0xBB,0x9E,0xD5,0x29,0x07,0x70,
    0x96,0x96,0x6D,0x67,0x0C,0x35,0x4E,0x4A,0xBC,0x98,0x04,0xF1,0x74,0x6C,0x08,
    0xCA,0x18,0x21,0x7C,0x32,0x90,0x5E,0x46,0x2E,0x36,0xCE,0x3B,0xE3,0x9E,0x77,
    0x2C,0x18,0x0E,0x86,0x03,0x9B,0x27,0x83,0xA2,0xEC,0x07,0xA2,0x8F,0xB5,0xC5,
    0x5D,0xF0,0x6F,0x4C,0x52,0xC9,0xDE,0x2B,0xCB,0xF6,0x95,0x58,0x17,0x18,0x39,
    0x95,0x49,0x7C,0xEA,0x95,0x6A,0xE5,0x15,0xD2,0x26,0x18,0x98,0xFA,0x05,0x10,
    0x15,0x72,0x8E,0x5A,0x8A,0xAA,0xC4,0x2D,0xAD,0x33,0x17,0x0D,0x04,0x50,0x7A,
    0x33,0xA8,0x55,0x21,0xAB,0xDF,0x1C,0xBA,0x64,0xEC,0xFB,0x85,0x04,0x58,0xDB,
    0xEF,0x0A,0x8A,0xEA,0x71,0x57,0x5D,0x06,0x0C,0x7D,0xB3,0x97,0x0F,0x85,0xA6,
    0xE1,0xE4,0xC7,0xAB,0xF5,0xAE,0x8C,0xDB,0x09,0x33,0xD7,0x1E,0x8C,0x94,0xE0,
    0x4A,0x25,0x61,0x9D,0xCE,0xE3,0xD2,0x26,0x1A,0xD2,0xEE,0x6B,0xF1,0x2F,0xFA,
    0x06,0xD9,0x8A,0x08,0x64,0xD8,0x76,0x02,0x73,0x3E,0xC8,0x6A,0x64,0x52,0x1F,
    0x2B,0x18,0x17,0x7B,0x20,0x0C,0xBB,0xE1,0x17,0x57,0x7A,0x61,0x5D,0x6C,0x77,
    0x09,0x88,0xC0,0xBA,0xD9,0x46,0xE2,0x08,0xE2,0x4F,0xA0,0x74,0xE5,0xAB,0x31,
    0x43,0xDB,0x5B,0xFC,0xE0,0xFD,0x10,0x8E,0x4B,0x82,0xD1,0x20,0xA9,0x3A,0xD2,
    0xCA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
#define DH3K_GENERATOR 2

@implementation Release

+(Environment*) releaseEnvironmentWithLogging:(id<Logging>)logging {
    //ErrorHandlerBlock errorDiscarder = ^(id error, id relatedInfo, bool causedTermination) {};
    ErrorHandlerBlock errorNoter = ^(id error, id relatedInfo, bool causedTermination) {DDLogError(@"%@: %@, %d", error, relatedInfo, causedTermination); };
    
    NSString *defaultRegion;
#if TARGET_OS_IPHONE
    defaultRegion = [[PhoneNumberUtil sharedInstance].nbPhoneNumberUtil countryCodeByCarrier];
    
    if ([defaultRegion isEqualToString:@"ZZ"]) {
        defaultRegion = [[NSLocale currentLocale] objectForKey:NSLocaleCountryCode];
    }
#else
    defaultRegion = [[NSLocale currentLocale] objectForKey:NSLocaleCountryCode];
#endif
    
    
    NSAssert([defaultRegion isKindOfClass:[NSString class]], @"");
    
    return [Environment environmentWithLogging:logging
                                 andErrorNoter:errorNoter
                                 andServerPort:31337
                       andMasterServerHostName:@"master.whispersystems.org"
                           andDefaultRelayName:@"relay"
                  andRelayServerHostNameSuffix:@"whispersystems.org"
                                andCertificate:[Certificate certificateFromResourcePath:@"redphone" ofType:@"cer"]
           andCurrentRegionCodeForPhoneNumbers:defaultRegion
             andSupportedKeyAgreementProtocols:[self supportedKeyAgreementProtocols]
                               andPhoneManager:[PhoneManager phoneManagerWithErrorHandler:errorNoter]
                          andRecentCallManager:[RecentCallManager new]
                    andTestingAndLegacyOptions:@[ENVIRONMENT_LEGACY_OPTION_RTP_PADDING_BIT_IMPLIES_EXTENSION_BIT_AND_TWELVE_EXTRA_ZERO_BYTES_IN_HEADER]
                               andZrtpClientId:RELEASE_ZRTP_CLIENT_ID
                              andZrtpVersionId:RELEASE_ZRTP_VERSION_ID
                            andContactsManager:[ContactsManager new]
                      andPhoneDirectoryManager:[PhoneNumberDirectoryFilterManager new]];
}

+(Environment*) unitTestEnvironment:(NSArray*)testingAndLegacyOptions {
    NSArray* keyAgreementProtocols = self.supportedKeyAgreementProtocols;
    if ([testingAndLegacyOptions containsObject:TESTING_OPTION_USE_DH_FOR_HANDSHAKE]) {
        keyAgreementProtocols = @[[Release supportedDH3KKeyAgreementProtocol]];
    }
    
    return [Environment environmentWithLogging:[DiscardingLog discardingLog]
                                 andErrorNoter:^(id error, id relatedInfo, bool causedTermination) {}
                                 andServerPort:31337
                       andMasterServerHostName:@"master.whispersystems.org"
                           andDefaultRelayName:@"relay"
                  andRelayServerHostNameSuffix:@"whispersystems.org"
                                andCertificate:[Certificate certificateFromResourcePath:@"redphone" ofType:@"cer"]
           andCurrentRegionCodeForPhoneNumbers:@"US"
             andSupportedKeyAgreementProtocols:keyAgreementProtocols
                               andPhoneManager:nil
                          andRecentCallManager:nil
                    andTestingAndLegacyOptions:testingAndLegacyOptions
                               andZrtpClientId:TESTING_ZRTP_CLIENT_ID
                              andZrtpVersionId:TESTING_ZRTP_VERSION_ID
                            andContactsManager:nil
                      andPhoneDirectoryManager:nil];
}

+(NSArray*) supportedKeyAgreementProtocols {
    return @[
             [EC25KeyAgreementProtocol new],
             [Release supportedDH3KKeyAgreementProtocol]
             ];
}

+(DH3KKeyAgreementProtocol*) supportedDH3KKeyAgreementProtocol {
    NSData* prime = [NSData dataWithBytes:DH3K_PRIME length:sizeof(DH3K_PRIME)];
    NSData* generator = [NSData dataWithSingleByte:DH3K_GENERATOR];
    return [DH3KKeyAgreementProtocol protocolWithModulus:prime andGenerator:generator];
}

@end