package app

import (
	"context"

	"coopcloud.tech/abra/cli/internal"
	"coopcloud.tech/abra/pkg/autocomplete"
	"coopcloud.tech/abra/pkg/client"
	"coopcloud.tech/abra/pkg/formatter"
	"coopcloud.tech/abra/pkg/recipe"
	"coopcloud.tech/abra/pkg/upstream/stack"
	"github.com/docker/distribution/reference"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli"
)

// getImagePath returns the image name
func getImagePath(image string) (string, error) {
	img, err := reference.ParseNormalizedNamed(image)
	if err != nil {
		return "", err
	}

	path := reference.Path(img)

	path = recipe.StripTagMeta(path)

	logrus.Debugf("parsed %s from %s", path, image)

	return path, nil
}

var appVersionCommand = cli.Command{
	Name:    "version",
	Aliases: []string{"v"},
	Flags: []cli.Flag{
		internal.DebugFlag,
		internal.NoInputFlag,
	},
	Before: internal.SubCommandBefore,
	Usage:  "Show app versions",
	Description: `
This command shows all information about versioning related to a deployed app.
This includes the individual image names, tags and digests. But also the Co-op
Cloud recipe version.
`,
	Action: func(c *cli.Context) error {
		app := internal.ValidateApp(c)
		stackName := app.StackName()

		cl, err := client.New(app.Server)
		if err != nil {
			logrus.Fatal(err)
		}

		logrus.Debugf("checking whether %s is already deployed", stackName)

		isDeployed, deployedVersion, err := stack.IsDeployed(context.Background(), cl, stackName)
		if err != nil {
			logrus.Fatal(err)
		}

		if deployedVersion == "unknown" {
			logrus.Fatalf("failed to determine version of deployed %s", app.Name)
		}

		if !isDeployed {
			logrus.Fatalf("%s is not deployed?", app.Name)
		}

		recipeMeta, err := recipe.GetRecipeMeta(app.Type)
		if err != nil {
			logrus.Fatal(err)
		}

		versionsMeta := make(map[string]recipe.ServiceMeta)
		for _, recipeVersion := range recipeMeta.Versions {
			if currentVersion, exists := recipeVersion[deployedVersion]; exists {
				versionsMeta = currentVersion
			}
		}

		if len(versionsMeta) == 0 {
			logrus.Fatalf("could not retrieve deployed version (%s) from recipe catalogue?", deployedVersion)
		}

		tableCol := []string{"version", "service", "image", "digest"}
		table := formatter.CreateTable(tableCol)
		table.SetAutoMergeCellsByColumnIndex([]int{0})

		for serviceName, versionMeta := range versionsMeta {
			table.Append([]string{deployedVersion, serviceName, versionMeta.Image, versionMeta.Digest})
		}

		table.Render()

		return nil
	},
	BashComplete: autocomplete.AppNameComplete,
}