stages

const (
	ErrExpressionsRequired  = "JMES expression is required"
	ErrCouldNotCompileJMES  = "could not compile JMES expression"
	ErrEmptyJSONStageConfig = "empty json stage configuration"
	ErrEmptyJSONStageSource = "empty source"
)

const (
	ErrEmptyLabelStageConfig = "label stage config cannot be empty"
	ErrInvalidLabelName      = "invalid label name: %s"
)

const (
	ErrEmptyMatchStageConfig = "match stage config cannot be empty"
	ErrPipelineNameRequired  = "match stage pipeline name can be omitted but cannot be an empty string"
	ErrSelectorRequired      = "selector statement required for match stage"
	ErrMatchRequiresStages   = "match stage requires at least one additional stage to be defined in '- stages'"
	ErrSelectorSyntax        = "invalid selector syntax for match stage"
)

const (
	MetricTypeCounter   = "counter"
	MetricTypeGauge     = "gauge"
	MetricTypeHistogram = "histogram"

	ErrEmptyMetricsStageConfig = "empty metric stage configuration"
	ErrMetricsStageInvalidType = "invalid metric type '%s', metric type must be one of 'counter', 'gauge', or 'histogram'"
)

const (
	ErrEmptyOutputStageConfig = "output stage config cannot be empty"
	ErrOutputSourceRequired   = "output source value is required if output is specified"
)

const (
	ErrExpressionRequired    = "expression is required"
	ErrCouldNotCompileRegex  = "could not compile regular expression"
	ErrEmptyRegexStageConfig = "empty regex stage configuration"
	ErrEmptyRegexStageSource = "empty source"
)

const (
	StageTypeJSON      = "json"
	StageTypeRegex     = "regex"
	StageTypeMetric    = "metrics"
	StageTypeLabel     = "labels"
	StageTypeTimestamp = "timestamp"
	StageTypeOutput    = "output"
	StageTypeDocker    = "docker"
	StageTypeCRI       = "cri"
	StageTypeMatch     = "match"
	StageTypeTemplate  = "template"
	StageTypePipeline  = "pipeline"
)

const (
	ErrEmptyTemplateStageConfig = "template stage config cannot be empty"
	ErrTemplateSourceRequired   = "template source value is required"
)

const (
	ErrEmptyTimestampStageConfig = "timestamp stage config cannot be empty"
	ErrTimestampSourceRequired   = "timestamp source value is required if timestamp is specified"
	ErrTimestampFormatRequired   = "timestamp format is required"
	ErrInvalidLocation           = "invalid location specified: %v"

	Unix   = "Unix"
	UnixMs = "UnixMs"
	UnixNs = "UnixNs"
)

const (
	ErrTimestampContainsYear = "timestamp '%s' is expected to not contain the year date component"
)

const RFC3339Nano = "RFC3339Nano"