config

var (
	ErrNoBotRulesDefined                 = errors.New("config: must define at least one (1) bot rule")
	ErrBotMustHaveName                   = errors.New("config.Bot: must set name")
	ErrBotMustHaveUserAgentOrPath        = errors.New("config.Bot: must set either user_agent_regex, path_regex, headers_regex, or remote_addresses")
	ErrBotMustHaveUserAgentOrPathNotBoth = errors.New("config.Bot: must set either user_agent_regex, path_regex, and not both")
	ErrUnknownAction                     = errors.New("config.Bot: unknown action")
	ErrInvalidUserAgentRegex             = errors.New("config.Bot: invalid user agent regex")
	ErrInvalidPathRegex                  = errors.New("config.Bot: invalid path regex")
	ErrInvalidHeadersRegex               = errors.New("config.Bot: invalid headers regex")
	ErrInvalidCIDR                       = errors.New("config.Bot: invalid CIDR")
	ErrRegexEndsWithNewline              = errors.New("config.Bot: regular expression ends with newline (try >- instead of > in yaml)")
	ErrInvalidImportStatement            = errors.New("config.ImportStatement: invalid source file")
	ErrCantSetBotAndImportValuesAtOnce   = errors.New("config.BotOrImport: can't set bot rules and import values at the same time")
	ErrMustSetBotOrImportRules           = errors.New("config.BotOrImport: rule definition is invalid, you must set either bot rules or an import statement, not both")
	ErrStatusCodeNotValid                = errors.New("config.StatusCode: status code not valid, must be between 100 and 599")
)

var (
	ErrChallengeDifficultyTooLow  = errors.New("config.ChallengeRules: difficulty is too low (must be >= 0)")
	ErrChallengeDifficultyTooHigh = errors.New("config.ChallengeRules: difficulty is too high (must be <= 64)")
	ErrChallengeMustHaveAlgorithm = errors.New("config.ChallengeRules: must have algorithm name set")
)

var (
	ErrExpressionOrListMustBeStringOrObject = errors.New("config: this must be a string or an object")
	ErrExpressionEmpty                      = errors.New("config: this expression is empty")
	ErrExpressionCantHaveBoth               = errors.New("config: expression block can't contain multiple expression types")
)

var (
	ErrInvalidOpenGraphConfig   = errors.New("config.OpenGraph: invalid OpenGraph configuration")
	ErrOpenGraphTTLDoesNotParse = errors.New("config.OpenGraph: ttl does not parse as a Duration, see https://pkg.go.dev/time#ParseDuration (formatted like 5m -> 5 minutes, 2h -> 2 hours, etc)")
	ErrOpenGraphMissingProperty = errors.New("config.OpenGraph: default opengraph tags missing a property")
)

var (
	ErrNoStoreBackend      = errors.New("config.Store: no backend defined")
	ErrUnknownStoreBackend = errors.New("config.Store: unknown backend")
)

var (
	ErrNoThresholdRulesDefined             = errors.New("config: no thresholds defined")
	ErrThresholdMustHaveName               = errors.New("config.Threshold: must set name")
	ErrThresholdMustHaveExpression         = errors.New("config.Threshold: must set expression")
	ErrThresholdChallengeMustHaveChallenge = errors.New("config.Threshold: a threshold with the CHALLENGE action must have challenge set")
	ErrThresholdCannotHaveWeighAction      = errors.New("config.Threshold: a threshold cannot have the WEIGH action")

	DefaultThresholds = []Threshold{
		{
			Name: "legacy-anubis-behaviour",
			Expression: &ExpressionOrList{
				Expression: "weight > 0",
			},
			Action: RuleChallenge,
			Challenge: &ChallengeRules{
				Algorithm:  "fast",
				Difficulty: anubis.DefaultDifficulty,
				ReportAs:   anubis.DefaultDifficulty,
			},
		},
	}
)

var ErrMissingValue = errors.New("config: missing value")

var (
	ErrNotCountryCode = errors.New("config.Bot: invalid country code")
)

var (
	ErrPrivateASN = errors.New("bot.ASNs: you have specified a private use ASN")
)