package recipe

import (
	"fmt"
	"sort"

	"coopcloud.tech/abra/cli/internal"
	"coopcloud.tech/abra/pkg/autocomplete"
	"coopcloud.tech/abra/pkg/formatter"
	recipePkg "coopcloud.tech/abra/pkg/recipe"
	"github.com/olekukonko/tablewriter"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli"
)

func sortServiceByName(versions [][]string) func(i, j int) bool {
	return func(i, j int) bool {
		// NOTE(d1): corresponds to the `tableCol` definition below
		if versions[i][1] == "app" {
			return true
		}
		return versions[i][1] < versions[j][1]
	}
}

var recipeVersionCommand = cli.Command{
	Name:        "versions",
	Aliases:     []string{"v"},
	Usage:       "List recipe versions",
	ArgsUsage:   "<recipe>",
	Description: "Versions are read from the recipe catalogue.",
	Flags: []cli.Flag{
		internal.DebugFlag,
		internal.OfflineFlag,
		internal.NoInputFlag,
		internal.MachineReadableFlag,
	},
	Before:       internal.SubCommandBefore,
	BashComplete: autocomplete.RecipeNameComplete,
	Action: func(c *cli.Context) error {
		recipe := internal.ValidateRecipe(c)

		catl, err := recipePkg.ReadRecipeCatalogue(internal.Offline)
		if err != nil {
			logrus.Fatal(err)
		}

		recipeMeta, ok := catl[recipe.Name]
		if !ok {
			logrus.Fatalf("%s is not published on the catalogue?", recipe.Name)
		}

		if len(recipeMeta.Versions) == 0 {
			logrus.Fatalf("%s has no catalogue published versions?", recipe.Name)
		}

		for i := len(recipeMeta.Versions) - 1; i >= 0; i-- {
			tableCols := []string{"version", "service", "image", "tag"}
			table := formatter.CreateTable(tableCols)
			for version, meta := range recipeMeta.Versions[i] {
				var versions [][]string
				for service, serviceMeta := range meta {
					versions = append(versions, []string{version, service, serviceMeta.Image, serviceMeta.Tag})
				}

				sort.Slice(versions, sortServiceByName(versions))

				for _, version := range versions {
					table.Append(version)
				}

				if internal.MachineReadable {
					table.JSONRender()
				} else {
					table.SetAutoMergeCellsByColumnIndex([]int{0})
					table.SetAlignment(tablewriter.ALIGN_LEFT)
					table.Render()
					fmt.Println()
				}
			}
		}

		return nil
	},
}