package catalogue

import (
	"path"
	"strings"

	"coopcloud.tech/abra/pkg/catalogue"
	"coopcloud.tech/abra/pkg/config"
	"coopcloud.tech/abra/pkg/git"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli/v2"
)

// CatalogueSkipList is all the repos that are not recipes.
var CatalogueSkipList = map[string]bool{
	"abra":                  true,
	"abra-apps":             true,
	"abra-aur":              true,
	"abra-capsul":           true,
	"abra-gandi":            true,
	"abra-hetzner":          true,
	"apps":                  true,
	"aur-abra-git":          true,
	"auto-apps-json":        true,
	"auto-mirror":           true,
	"backup-bot":            true,
	"coopcloud.tech":        true,
	"coturn":                true,
	"docker-cp-deploy":      true,
	"docker-dind-bats-kcov": true,
	"docs.coopcloud.tech":   true,
	"example":               true,
	"gardening":             true,
	"go-abra":               true,
	"organising":            true,
	"pyabra":                true,
	"radicle-seed-node":     true,
	"stack-ssh-deploy":      true,
	"swarm-cronjob":         true,
	"tagcmp":                true,
	"tyop":                  true,
}

var catalogueGenerateCommand = &cli.Command{
	Name:         "generate",
	Aliases:      []string{"g"},
	Usage:        "Generate a new copy of the catalogue",
	ArgsUsage:    "[<recipe>]",
	BashComplete: func(c *cli.Context) {},
	Action: func(c *cli.Context) error {
		recipes, err := catalogue.ReadRecipeCatalogue()
		if err != nil {
			logrus.Fatal(err)
		}

		recipeName := c.Args().First()
		if recipeName != "" {
			recipeMeta, exists := recipes[recipeName]
			if !exists {
				logrus.Fatalf("'%s' does not exist?", recipeName)
			}
			recipes = map[string]catalogue.RecipeMeta{recipeName: recipeMeta}
		}

		logrus.Debugf("ensuring '%v' recipe(s) are locally present and up-to-date", len(recipes))

		ch := make(chan string, len(recipes))
		for recipeName, recipeMeta := range recipes {
			go func(rn string, rm catalogue.RecipeMeta) {
				if _, exists := CatalogueSkipList[rn]; exists {
					ch <- rn
					return
				}
				if rm.Repository == "" {
					logrus.Warnf("'%s' has no git clone URL, skipping", rn)
					ch <- rn
					return
				}

				recipeDir := path.Join(config.ABRA_DIR, "apps", strings.ToLower(rn))
				if err := git.Clone(recipeDir, rm.Repository); err != nil {
					logrus.Fatal(err)
				}

				if err := git.EnsureUpToDate(recipeDir); err != nil {
					logrus.Fatal(err)
				}
				ch <- rn
			}(recipeName, recipeMeta)
		}

		for range recipes {
			<-ch // wait for everything
		}

		// for reach app, build the recipemeta from parsing
		// spit out a JSON file

		return nil
	},
}