package irc

import (
	"errors"
	"time"
)

var (
	DEBUG_NET     = false
	DEBUG_CLIENT  = false
	DEBUG_CHANNEL = false
	DEBUG_SERVER  = false

	ErrAlreadyDestroyed = errors.New("already destroyed")
)

const (
	VERSION       = "1.0.0"
	CRLF          = "\r\n"
	MAX_REPLY_LEN = 512 - len(CRLF)

	// how long before a client is considered idle
	IDLE_TIMEOUT = time.Minute
	// how long after idle before a client is kicked
	QUIT_TIMEOUT = time.Minute

	// numeric codes
	RPL_WELCOME           = 1
	RPL_YOURHOST          = 2
	RPL_CREATED           = 3
	RPL_MYINFO            = 4
	RPL_BOUNCE            = 5
	RPL_TRACELINK         = 200
	RPL_TRACECONNECTING   = 201
	RPL_TRACEHANDSHAKE    = 202
	RPL_TRACEUNKNOWN      = 203
	RPL_TRACEOPERATOR     = 204
	RPL_TRACEUSER         = 205
	RPL_TRACESERVER       = 206
	RPL_TRACESERVICE      = 207
	RPL_TRACENEWTYPE      = 208
	RPL_TRACECLASS        = 209
	RPL_TRACERECONNECT    = 210
	RPL_STATSLINKINFO     = 211
	RPL_STATSCOMMANDS     = 212
	RPL_ENDOFSTATS        = 219
	RPL_UMODEIS           = 221
	RPL_SERVLIST          = 234
	RPL_SERVLISTEND       = 235
	RPL_STATSUPTIME       = 242
	RPL_STATSOLINE        = 243
	RPL_LUSERCLIENT       = 251
	RPL_LUSEROP           = 252
	RPL_LUSERUNKNOWN      = 253
	RPL_LUSERCHANNELS     = 254
	RPL_LUSERME           = 255
	RPL_ADMINME           = 256
	RPL_ADMINLOC1         = 257
	RPL_ADMINLOC2         = 258
	RPL_ADMINEMAIL        = 259
	RPL_TRACELOG          = 261
	RPL_TRACEEND          = 262
	RPL_TRYAGAIN          = 263
	RPL_AWAY              = 301
	RPL_USERHOST          = 302
	RPL_ISON              = 303
	RPL_UNAWAY            = 305
	RPL_NOWAWAY           = 306
	RPL_WHOISUSER         = 311
	RPL_WHOISSERVER       = 312
	RPL_WHOISOPERATOR     = 313
	RPL_WHOWASUSER        = 314
	RPL_ENDOFWHO          = 315
	RPL_WHOISIDLE         = 317
	RPL_ENDOFWHOIS        = 318
	RPL_WHOISCHANNELS     = 319
	RPL_LIST              = 322
	RPL_LISTEND           = 323
	RPL_CHANNELMODEIS     = 324
	RPL_UNIQOPIS          = 325
	RPL_NOTOPIC           = 331
	RPL_TOPIC             = 332
	RPL_INVITING          = 341
	RPL_SUMMONING         = 342
	RPL_INVITELIST        = 346
	RPL_ENDOFINVITELIST   = 347
	RPL_EXCEPTLIST        = 348
	RPL_ENDOFEXCEPTLIST   = 349
	RPL_VERSION           = 351
	RPL_WHOREPLY          = 352
	RPL_NAMREPLY          = 353
	RPL_LINKS             = 364
	RPL_ENDOFLINKS        = 365
	RPL_ENDOFNAMES        = 366
	RPL_BANLIST           = 367
	RPL_ENDOFBANLIST      = 368
	RPL_ENDOFWHOWAS       = 369
	RPL_INFO              = 371
	RPL_MOTD              = 372
	RPL_ENDOFINFO         = 374
	RPL_MOTDSTART         = 375
	RPL_ENDOFMOTD         = 376
	RPL_YOUREOPER         = 381
	RPL_REHASHING         = 382
	RPL_YOURESERVICE      = 383
	RPL_TIME              = 391
	RPL_USERSSTART        = 392
	RPL_USERS             = 393
	RPL_ENDOFUSERS        = 394
	RPL_NOUSERS           = 395
	ERR_NOSUCHNICK        = 401
	ERR_NOSUCHSERVER      = 402
	ERR_NOSUCHCHANNEL     = 403
	ERR_CANNOTSENDTOCHAN  = 404
	ERR_TOOMANYCHANNELS   = 405
	ERR_WASNOSUCHNICK     = 406
	ERR_TOOMANYTARGETS    = 407
	ERR_NOSUCHSERVICE     = 408
	ERR_NOORIGIN          = 409
	ERR_NORECIPIENT       = 411
	ERR_NOTEXTTOSEND      = 412
	ERR_NOTOPLEVEL        = 413
	ERR_WILDTOPLEVEL      = 414
	ERR_BADMASK           = 415
	ERR_UNKNOWNCOMMAND    = 421
	ERR_NOMOTD            = 422
	ERR_NOADMININFO       = 423
	ERR_FILEERROR         = 424
	ERR_NONICKNAMEGIVEN   = 431
	ERR_ERRONEUSNICKNAME  = 432
	ERR_NICKNAMEINUSE     = 433
	ERR_NICKCOLLISION     = 436
	ERR_UNAVAILRESOURCE   = 437
	ERR_USERNOTINCHANNEL  = 441
	ERR_NOTONCHANNEL      = 442
	ERR_USERONCHANNEL     = 443
	ERR_NOLOGIN           = 444
	ERR_SUMMONDISABLED    = 445
	ERR_USERSDISABLED     = 446
	ERR_NOTREGISTERED     = 451
	ERR_NEEDMOREPARAMS    = 461
	ERR_ALREADYREGISTRED  = 462
	ERR_NOPERMFORHOST     = 463
	ERR_PASSWDMISMATCH    = 464
	ERR_YOUREBANNEDCREEP  = 465
	ERR_YOUWILLBEBANNED   = 466
	ERR_KEYSET            = 467
	ERR_CHANNELISFULL     = 471
	ERR_UNKNOWNMODE       = 472
	ERR_INVITEONLYCHAN    = 473
	ERR_BANNEDFROMCHAN    = 474
	ERR_BADCHANNELKEY     = 475
	ERR_BADCHANMASK       = 476
	ERR_NOCHANMODES       = 477
	ERR_BANLISTFULL       = 478
	ERR_NOPRIVILEGES      = 481
	ERR_CHANOPRIVSNEEDED  = 482
	ERR_CANTKILLSERVER    = 483
	ERR_RESTRICTED        = 484
	ERR_UNIQOPPRIVSNEEDED = 485
	ERR_NOOPERHOST        = 491
	ERR_UMODEUNKNOWNFLAG  = 501
	ERR_USERSDONTMATCH    = 502

	Add    ModeOp = '+'
	List   ModeOp = '='
	Remove ModeOp = '-'

	Away          UserMode = 'a'
	Invisible     UserMode = 'i'
	LocalOperator UserMode = 'O'
	Operator      UserMode = 'o'
	Restricted    UserMode = 'r'
	ServerNotice  UserMode = 's'
	WallOps       UserMode = 'w'

	Anonymous     ChannelMode = 'a' // flag
	BanMask       ChannelMode = 'b' // arg
	ExceptionMask ChannelMode = 'e' // arg
	InviteMask    ChannelMode = 'I' // arg
	InviteOnly    ChannelMode = 'i' // flag
	Key           ChannelMode = 'k' // flag arg
	Moderated     ChannelMode = 'm' // flag
	NoOutside     ChannelMode = 'n' // flag
	OpOnlyTopic   ChannelMode = 't' // flag
	Private       ChannelMode = 'p' // flag
	Quiet         ChannelMode = 'q' // flag
	ReOp          ChannelMode = 'r' // flag
	Secret        ChannelMode = 's' // flag
	UserLimit     ChannelMode = 'l' // flag arg

	ChannelCreator  UserChannelMode = 'O'
	ChannelOperator UserChannelMode = 'o'
	Voice           UserChannelMode = 'v'
)