feat: add command to delete a database (#37)

* feat: add command to delete a database

* refactor: accept DB as @db-name for deletion

* fix: return don't print err

* feat: add warning style to confirmation

* fix: show input in 'not found' msg

main.go

@@ -12,6 +12,7 @@ import (
 	"github.com/charmbracelet/charm/cmd"
 	"github.com/charmbracelet/charm/kv"
 	"github.com/charmbracelet/charm/ui/common"
+	"github.com/charmbracelet/lipgloss"
 	"github.com/dgraph-io/badger/v3"
 	mcobra "github.com/muesli/mango-cobra"
 	"github.com/muesli/roff"
@@ -28,6 +29,8 @@ var (
 	showBinary       bool
 	delimiterIterate string
 
+	warningStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#FD5B5B"))
+
 	rootCmd = &cobra.Command{
 		Use:   "skate",
 		Short: "Skate, a personal key value store.",
@@ -74,6 +77,14 @@ var (
 		RunE:  listDbs,
 	}
 
+	deleteDbCmd = &cobra.Command{
+		Use:    "delete-db [@DB]",
+		Hidden: false,
+		Short:  "Delete a database",
+		Args:   cobra.MinimumNArgs(1),
+		RunE:   deleteDb,
+	}
+
 	syncCmd = &cobra.Command{
 		Use:   "sync [@DB]",
 		Short: "Sync local db with latest Charm Cloud db.",
@@ -172,6 +183,47 @@ func listDbs(cmd *cobra.Command, args []string) error {
 	return nil
 }
 
+func deleteDb(cmd *cobra.Command, args []string) error {
+	n, err := nameFromArgs(args)
+	if err != nil {
+		return err
+	}
+	cc, err := client.NewClientWithDefaults()
+	if err != nil {
+		return err
+	}
+	dd, err := cc.DataPath()
+	if err != nil {
+		return err
+	}
+	dbs, err := os.ReadDir(filepath.Join(dd, "kv"))
+	if err != nil {
+		return err
+	}
+
+	var found bool
+	for _, d := range dbs {
+		if d.IsDir() && d.Name() == n {
+			found = true
+			var confirmation string
+			fmt.Println(warningStyle.Render("are you sure you want to delete " + d.Name() + " and all its contents? (y/n)"))
+			fmt.Scanln(&confirmation)
+			if confirmation == "y" {
+				err := os.RemoveAll(filepath.Join(dd, "kv", d.Name()))
+				if err != nil {
+					return err
+				}
+			} else {
+				fmt.Println("did not delete " + d.Name())
+			}
+		}
+	}
+	if !found {
+		fmt.Println(args[0] + " does not exist")
+	}
+	return nil
+}
+
 func list(cmd *cobra.Command, args []string) error {
 	var k string
 	var pf string
@@ -328,6 +380,7 @@ func init() {
 		deleteCmd,
 		listCmd,
 		listDbsCmd,
+		deleteDbCmd,
 		syncCmd,
 		resetCmd,
 		cmd.LinkCmd("skate"),