package main

import (
	"context"
	"fmt"
	sourcev1 "github.com/fluxcd/source-controller/api/v1alpha1"
	"github.com/spf13/cobra"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/apimachinery/pkg/util/wait"
	"time"
)

var syncSourceGitCmd = &cobra.Command{
	Use:   "git [name]",
	Short: "Synchronize git source",
	Long: `
The sync source command triggers a reconciliation of a GitRepository resource and waits for it to finish.`,
	Example: `  # Trigger a git pull for an existing source
  sync source git podinfo
`,
	RunE: syncSourceGitCmdRun,
}

func init() {
	syncSourceCmd.AddCommand(syncSourceGitCmd)
}

func syncSourceGitCmdRun(cmd *cobra.Command, args []string) error {
	if len(args) < 1 {
		return fmt.Errorf("source name is required")
	}
	name := args[0]

	ctx, cancel := context.WithTimeout(context.Background(), timeout)
	defer cancel()

	kubeClient, err := utils.kubeClient(kubeconfig)
	if err != nil {
		return err
	}

	namespacedName := types.NamespacedName{
		Namespace: namespace,
		Name:      name,
	}

	logAction("annotating source %s in %s namespace", name, namespace)
	var gitRepository sourcev1.GitRepository
	err = kubeClient.Get(ctx, namespacedName, &gitRepository)
	if err != nil {
		return err
	}

	if gitRepository.Annotations == nil {
		gitRepository.Annotations = map[string]string{
			sourcev1.SyncAtAnnotation: time.Now().String(),
		}
	} else {
		gitRepository.Annotations[sourcev1.SyncAtAnnotation] = time.Now().String()
	}
	if err := kubeClient.Update(ctx, &gitRepository); err != nil {
		return err
	}
	logSuccess("source annotated")

	logWaiting("waiting for git sync")
	if err := wait.PollImmediate(pollInterval, timeout,
		isGitRepositoryReady(ctx, kubeClient, name, namespace)); err != nil {
		return err
	}

	logSuccess("git sync completed")

	err = kubeClient.Get(ctx, namespacedName, &gitRepository)
	if err != nil {
		return err
	}

	if gitRepository.Status.Artifact != nil {
		logSuccess("fetched revision %s", gitRepository.Status.Artifact.Revision)
	} else {
		return fmt.Errorf("git sync failed, artifact not found")
	}
	return nil
}