/*
Ginkgo accepts a number of configuration options.

These are documented [here](http://onsi.github.io/ginkgo/#the-ginkgo-cli)

You can also learn more via

	ginkgo help

or (I kid you not):

	go test -asdf
*/
package config

import (
	"flag"
	"time"

	"fmt"
)

const VERSION = "1.15.0"

type GinkgoConfigType struct {
	RandomSeed         int64
	RandomizeAllSpecs  bool
	RegexScansFilePath bool
	FocusStrings       []string
	SkipStrings        []string
	SkipMeasurements   bool
	FailOnPending      bool
	FailFast           bool
	FlakeAttempts      int
	EmitSpecProgress   bool
	DryRun             bool
	DebugParallel      bool

	ParallelNode  int
	ParallelTotal int
	SyncHost      string
	StreamHost    string
}

var GinkgoConfig = GinkgoConfigType{}

type DefaultReporterConfigType struct {
	NoColor           bool
	SlowSpecThreshold float64
	NoisyPendings     bool
	NoisySkippings    bool
	Succinct          bool
	Verbose           bool
	FullTrace         bool
	ReportPassed      bool
	ReportFile        string
}

var DefaultReporterConfig = DefaultReporterConfigType{}

func processPrefix(prefix string) string {
	if prefix != "" {
		prefix += "."
	}
	return prefix
}

type flagFunc func(string)

func (f flagFunc) String() string     { return "" }
func (f flagFunc) Set(s string) error { f(s); return nil }

func Flags(flagSet *flag.FlagSet, prefix string, includeParallelFlags bool) {
	prefix = processPrefix(prefix)
	flagSet.Int64Var(&(GinkgoConfig.RandomSeed), prefix+"seed", time.Now().Unix(), "The seed used to randomize the spec suite.")
	flagSet.BoolVar(&(GinkgoConfig.RandomizeAllSpecs), prefix+"randomizeAllSpecs", false, "If set, ginkgo will randomize all specs together.  By default, ginkgo only randomizes the top level Describe, Context and When groups.")
	flagSet.BoolVar(&(GinkgoConfig.SkipMeasurements), prefix+"skipMeasurements", false, "If set, ginkgo will skip any measurement specs.")
	flagSet.BoolVar(&(GinkgoConfig.FailOnPending), prefix+"failOnPending", false, "If set, ginkgo will mark the test suite as failed if any specs are pending.")
	flagSet.BoolVar(&(GinkgoConfig.FailFast), prefix+"failFast", false, "If set, ginkgo will stop running a test suite after a failure occurs.")

	flagSet.BoolVar(&(GinkgoConfig.DryRun), prefix+"dryRun", false, "If set, ginkgo will walk the test hierarchy without actually running anything.  Best paired with -v.")

	flagSet.Var(flagFunc(flagFocus), prefix+"focus", "If set, ginkgo will only run specs that match this regular expression. Can be specified multiple times, values are ORed.")
	flagSet.Var(flagFunc(flagSkip), prefix+"skip", "If set, ginkgo will only run specs that do not match this regular expression. Can be specified multiple times, values are ORed.")

	flagSet.BoolVar(&(GinkgoConfig.RegexScansFilePath), prefix+"regexScansFilePath", false, "If set, ginkgo regex matching also will look at the file path (code location).")

	flagSet.IntVar(&(GinkgoConfig.FlakeAttempts), prefix+"flakeAttempts", 1, "Make up to this many attempts to run each spec. Please note that if any of the attempts succeed, the suite will not be failed. But any failures will still be recorded.")

	flagSet.BoolVar(&(GinkgoConfig.EmitSpecProgress), prefix+"progress", false, "If set, ginkgo will emit progress information as each spec runs to the GinkgoWriter.")

	flagSet.BoolVar(&(GinkgoConfig.DebugParallel), prefix+"debug", false, "If set, ginkgo will emit node output to files when running in parallel.")

	if includeParallelFlags {
		flagSet.IntVar(&(GinkgoConfig.ParallelNode), prefix+"parallel.node", 1, "This worker node's (one-indexed) node number.  For running specs in parallel.")
		flagSet.IntVar(&(GinkgoConfig.ParallelTotal), prefix+"parallel.total", 1, "The total number of worker nodes.  For running specs in parallel.")
		flagSet.StringVar(&(GinkgoConfig.SyncHost), prefix+"parallel.synchost", "", "The address for the server that will synchronize the running nodes.")
		flagSet.StringVar(&(GinkgoConfig.StreamHost), prefix+"parallel.streamhost", "", "The address for the server that the running nodes should stream data to.")
	}

	flagSet.BoolVar(&(DefaultReporterConfig.NoColor), prefix+"noColor", false, "If set, suppress color output in default reporter.")
	flagSet.Float64Var(&(DefaultReporterConfig.SlowSpecThreshold), prefix+"slowSpecThreshold", 5.0, "(in seconds) Specs that take longer to run than this threshold are flagged as slow by the default reporter.")
	flagSet.BoolVar(&(DefaultReporterConfig.NoisyPendings), prefix+"noisyPendings", true, "If set, default reporter will shout about pending tests.")
	flagSet.BoolVar(&(DefaultReporterConfig.NoisySkippings), prefix+"noisySkippings", true, "If set, default reporter will shout about skipping tests.")
	flagSet.BoolVar(&(DefaultReporterConfig.Verbose), prefix+"v", false, "If set, default reporter print out all specs as they begin.")
	flagSet.BoolVar(&(DefaultReporterConfig.Succinct), prefix+"succinct", false, "If set, default reporter prints out a very succinct report")
	flagSet.BoolVar(&(DefaultReporterConfig.FullTrace), prefix+"trace", false, "If set, default reporter prints out the full stack trace when a failure occurs")
	flagSet.BoolVar(&(DefaultReporterConfig.ReportPassed), prefix+"reportPassed", false, "If set, default reporter prints out captured output of passed tests.")
	flagSet.StringVar(&(DefaultReporterConfig.ReportFile), prefix+"reportFile", "", "Override the default reporter output file path.")

}

func BuildFlagArgs(prefix string, ginkgo GinkgoConfigType, reporter DefaultReporterConfigType) []string {
	prefix = processPrefix(prefix)
	result := make([]string, 0)

	if ginkgo.RandomSeed > 0 {
		result = append(result, fmt.Sprintf("--%sseed=%d", prefix, ginkgo.RandomSeed))
	}

	if ginkgo.RandomizeAllSpecs {
		result = append(result, fmt.Sprintf("--%srandomizeAllSpecs", prefix))
	}

	if ginkgo.SkipMeasurements {
		result = append(result, fmt.Sprintf("--%sskipMeasurements", prefix))
	}

	if ginkgo.FailOnPending {
		result = append(result, fmt.Sprintf("--%sfailOnPending", prefix))
	}

	if ginkgo.FailFast {
		result = append(result, fmt.Sprintf("--%sfailFast", prefix))
	}

	if ginkgo.DryRun {
		result = append(result, fmt.Sprintf("--%sdryRun", prefix))
	}

	for _, s := range ginkgo.FocusStrings {
		result = append(result, fmt.Sprintf("--%sfocus=%s", prefix, s))
	}

	for _, s := range ginkgo.SkipStrings {
		result = append(result, fmt.Sprintf("--%sskip=%s", prefix, s))
	}

	if ginkgo.FlakeAttempts > 1 {
		result = append(result, fmt.Sprintf("--%sflakeAttempts=%d", prefix, ginkgo.FlakeAttempts))
	}

	if ginkgo.EmitSpecProgress {
		result = append(result, fmt.Sprintf("--%sprogress", prefix))
	}

	if ginkgo.DebugParallel {
		result = append(result, fmt.Sprintf("--%sdebug", prefix))
	}

	if ginkgo.ParallelNode != 0 {
		result = append(result, fmt.Sprintf("--%sparallel.node=%d", prefix, ginkgo.ParallelNode))
	}

	if ginkgo.ParallelTotal != 0 {
		result = append(result, fmt.Sprintf("--%sparallel.total=%d", prefix, ginkgo.ParallelTotal))
	}

	if ginkgo.StreamHost != "" {
		result = append(result, fmt.Sprintf("--%sparallel.streamhost=%s", prefix, ginkgo.StreamHost))
	}

	if ginkgo.SyncHost != "" {
		result = append(result, fmt.Sprintf("--%sparallel.synchost=%s", prefix, ginkgo.SyncHost))
	}

	if ginkgo.RegexScansFilePath {
		result = append(result, fmt.Sprintf("--%sregexScansFilePath", prefix))
	}

	if reporter.NoColor {
		result = append(result, fmt.Sprintf("--%snoColor", prefix))
	}

	if reporter.SlowSpecThreshold > 0 {
		result = append(result, fmt.Sprintf("--%sslowSpecThreshold=%.5f", prefix, reporter.SlowSpecThreshold))
	}

	if !reporter.NoisyPendings {
		result = append(result, fmt.Sprintf("--%snoisyPendings=false", prefix))
	}

	if !reporter.NoisySkippings {
		result = append(result, fmt.Sprintf("--%snoisySkippings=false", prefix))
	}

	if reporter.Verbose {
		result = append(result, fmt.Sprintf("--%sv", prefix))
	}

	if reporter.Succinct {
		result = append(result, fmt.Sprintf("--%ssuccinct", prefix))
	}

	if reporter.FullTrace {
		result = append(result, fmt.Sprintf("--%strace", prefix))
	}

	if reporter.ReportPassed {
		result = append(result, fmt.Sprintf("--%sreportPassed", prefix))
	}

	if reporter.ReportFile != "" {
		result = append(result, fmt.Sprintf("--%sreportFile=%s", prefix, reporter.ReportFile))
	}

	return result
}

// flagFocus implements the -focus flag.
func flagFocus(arg string) {
	GinkgoConfig.FocusStrings = append(GinkgoConfig.FocusStrings, arg)
}

// flagSkip implements the -skip flag.
func flagSkip(arg string) {
	GinkgoConfig.SkipStrings = append(GinkgoConfig.SkipStrings, arg)
}