// k8s-tester-jobs-echo installs Kubernetes Jobs echo tester.
package main

import (
	"fmt"
	"os"

	"github.com/aws/aws-k8s-tester/client"
	jobs_echo "github.com/aws/aws-k8s-tester/k8s-tester/jobs-echo"
	"github.com/aws/aws-k8s-tester/utils/log"
	"github.com/spf13/cobra"
	"go.uber.org/zap"
)

var rootCmd = &cobra.Command{
	Use:        "k8s-tester-jobs-echo",
	Short:      "Kubernetes Jobs echo tester",
	SuggestFor: []string{"jobs-echo"},
}

func init() {
	cobra.EnablePrefixMatching = true
}

var (
	prompt             bool
	logLevel           string
	logOutputs         []string
	minimumNodes       int
	namespace          string
	kubectlDownloadURL string
	kubectlPath        string
	kubeconfigPath     string
)

func init() {
	rootCmd.PersistentFlags().BoolVar(&prompt, "prompt", true, "'true' to enable prompt mode")
	rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", log.DefaultLogLevel, "Logging level")
	rootCmd.PersistentFlags().StringSliceVar(&logOutputs, "log-outputs", []string{"stderr"}, "Additional logger outputs")
	rootCmd.PersistentFlags().IntVar(&minimumNodes, "minimum-nodes", jobs_echo.DefaultMinimumNodes, "minimum number of Kubernetes nodes required for installing this addon")
	rootCmd.PersistentFlags().StringVar(&namespace, "namespace", "test-namespace", "'true' to auto-generate path for create config/cluster, overwrites existing --path value")
	rootCmd.PersistentFlags().StringVar(&kubectlDownloadURL, "kubectl-download-url", client.DefaultKubectlDownloadURL(), "kubectl download URL")
	rootCmd.PersistentFlags().StringVar(&kubectlPath, "kubectl-path", client.DefaultKubectlPath(), "kubectl path")
	rootCmd.PersistentFlags().StringVar(&kubeconfigPath, "kubeconfig-path", "", "KUBECONFIG path")

	rootCmd.AddCommand(
		newApply(),
		newDelete(),
	)
}

func main() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Fprintf(os.Stderr, "k8s-tester-jobs-echo failed %v\n", err)
		os.Exit(1)
	}
	os.Exit(0)
}

var (
	repositoryPartition string
	repositoryAccountID string
	repositoryRegion    string
	repositoryName      string
	repositoryImageTag  string

	jobType                    string
	completes                  int32
	parallels                  int32
	echoSize                   int32
	schedule                   string
	successfulJobsHistoryLimit int32
	failedJobsHistoryLimit     int32
)

func newApply() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "apply",
		Short: "Apply tests",
		Run:   createApplyFunc,
	}

	cmd.PersistentFlags().StringVar(&repositoryPartition, "repository-partition", "", `used for deciding between "amazonaws.com" and "amazonaws.com.cn"`)
	cmd.PersistentFlags().StringVar(&repositoryAccountID, "repository-account-id", "", "account ID for tester ECR image")
	cmd.PersistentFlags().StringVar(&repositoryRegion, "repository-region", "", "ECR repository region to pull from")
	cmd.PersistentFlags().StringVar(&repositoryName, "repository-name", "", "repository name for tester ECR image")
	cmd.PersistentFlags().StringVar(&repositoryImageTag, "repository-image-tag", "", "image tag for tester ECR image")

	cmd.PersistentFlags().StringVar(&jobType, "job-type", jobs_echo.DefaultJobType, "job type, Job or CronJob")
	cmd.PersistentFlags().Int32Var(&completes, "completes", jobs_echo.DefaultCompletes, "desired number of successfully finished pods")
	cmd.PersistentFlags().Int32Var(&parallels, "parallels", jobs_echo.DefaultParallels, "maximum desired number of pods the job should run at any given time")
	cmd.PersistentFlags().StringVar(&schedule, "schedule", jobs_echo.DefaultSchedule, "maximum desired number of pods the job should run at any given time")
	cmd.PersistentFlags().Int32Var(&successfulJobsHistoryLimit, "successful-jobs-history-limit", jobs_echo.DefaultSuccessfulJobsHistoryLimit, "number of successful finished CronJobs to retain")
	cmd.PersistentFlags().Int32Var(&failedJobsHistoryLimit, "failed-jobs-history-limit", jobs_echo.DefaultFailedJobsHistoryLimit, "number of failed finished CronJobs to retain")

	return cmd
}

func createApplyFunc(cmd *cobra.Command, args []string) {
	lg, logWriter, _, err := log.NewWithStderrWriter(logLevel, logOutputs)
	if err != nil {
		panic(err)
	}
	_ = zap.ReplaceGlobals(lg)

	cli, err := client.New(&client.Config{
		Logger:             lg,
		KubectlDownloadURL: kubectlDownloadURL,
		KubectlPath:        kubectlPath,
		KubeconfigPath:     kubeconfigPath,
	})
	if err != nil {
		lg.Panic("failed to create client", zap.Error(err))
	}

	cfg := &jobs_echo.Config{
		Prompt:       prompt,
		Logger:       lg,
		LogWriter:    logWriter,
		MinimumNodes: minimumNodes,
		Client:       cli,

		Namespace: namespace,
		Repository: &aws_v1_ecr.Repository{
			Partition: repositoryPartition,
			AccountID: repositoryAccountID,
			Region:    repositoryRegion,
			Name:      repositoryName,
			ImageTag:  repositoryImageTag,
		},

		JobType: jobType,

		Completes: completes,
		Parallels: parallels,
		EchoSize:  echoSize,

		Schedule:                   schedule,
		SuccessfulJobsHistoryLimit: successfulJobsHistoryLimit,
		FailedJobsHistoryLimit:     failedJobsHistoryLimit,
	}

	ts := jobs_echo.New(cfg)
	if err := ts.Apply(); err != nil {
		fmt.Fprintf(os.Stderr, "failed to apply (%v)\n", err)
		os.Exit(1)
	}

	fmt.Printf("\n*********************************\n")
	fmt.Printf("'k8s-tester-jobs-echo apply' success\n")
}

func newDelete() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "delete",
		Short: "Delete resources",
		Run:   createDeleteFunc,
	}
	return cmd
}

func createDeleteFunc(cmd *cobra.Command, args []string) {
	lg, logWriter, _, err := log.NewWithStderrWriter(logLevel, logOutputs)
	if err != nil {
		panic(err)
	}
	_ = zap.ReplaceGlobals(lg)

	cli, err := client.New(&client.Config{
		Logger:             lg,
		KubectlDownloadURL: kubectlDownloadURL,
		KubectlPath:        kubectlPath,
		KubeconfigPath:     kubeconfigPath,
	})
	if err != nil {
		lg.Panic("failed to create client", zap.Error(err))
	}

	cfg := &jobs_echo.Config{
		Prompt:    prompt,
		Logger:    lg,
		LogWriter: logWriter,
		Namespace: namespace,
		Client:    cli,
		JobType:   jobType,
	}

	ts := jobs_echo.New(cfg)
	if err := ts.Delete(); err != nil {
		fmt.Fprintf(os.Stderr, "failed to delete (%v)\n", err)
		os.Exit(1)
	}

	fmt.Printf("\n*********************************\n")
	fmt.Printf("'k8s-tester-jobs-echo delete' success\n")
}