refactor prompting, start on redeemCode

cmd/help/main.go

@@ -16,6 +16,8 @@ import (
 
 // TODO consider local-only help command for renaming and adding emails to account
 
+// TODO put colorscheme, prompting stuff into own packages for use in the other commands. would be good to get off of survey.
+
 type colorScheme struct {
 	Header   func(string) string
 	Subtitle func(string) string
@@ -41,11 +43,23 @@ func newColorScheme() colorScheme {
 	}
 }
 
-func stringPrompt(cs colorScheme, tty *tty.TTY, prompt string) (string, error) {
+type Prompter struct {
+	cs  colorScheme
+	tty *tty.TTY
+}
+
+func NewPrompter(tty *tty.TTY, cs colorScheme) *Prompter {
+	return &Prompter{
+		cs:  cs,
+		tty: tty,
+	}
+}
+
+func (p *Prompter) String(prompt string) (string, error) {
 	fmt.Println("")
-	fmt.Println(cs.Prompt(prompt))
-	fmt.Println(cs.Subtitle("(type your answer below and press enter to submit)"))
-	s, err := tty.ReadString()
+	fmt.Println(p.cs.Prompt(prompt))
+	fmt.Println(p.cs.Subtitle("(type your answer below and press enter to submit)"))
+	s, err := p.tty.ReadString()
 	if err != nil {
 		return "", fmt.Errorf("couldn't collect input: %w", err)
 	}
@@ -53,18 +67,18 @@ func stringPrompt(cs colorScheme, tty *tty.TTY, prompt string) (string, error) {
 	return s, nil
 }
 
-func numberPrompt(cs colorScheme, tty *tty.TTY, prompt string, opts []string) (int, error) {
+func (p *Prompter) Select(prompt string, opts []string) (int, error) {
 	fmt.Println()
-	fmt.Println(cs.Prompt(prompt))
-	fmt.Println(cs.Subtitle("(pick an option using the corresponding number)"))
+	fmt.Println(p.cs.Prompt(prompt))
+	fmt.Println(p.cs.Subtitle("(pick an option using the corresponding number)"))
 
 	chosen := -1
 	for chosen < 0 {
 		fmt.Println()
 		for ix, o := range opts {
-			fmt.Printf("%s: %s\n", cs.Option(fmt.Sprintf("%d", ix+1)), o)
+			fmt.Printf("%s: %s\n", p.cs.Option(fmt.Sprintf("%d", ix+1)), o)
 		}
-		r, err := tty.ReadRune()
+		r, err := p.tty.ReadRune()
 		if err != nil {
 			return -1, fmt.Errorf("could not collect answer for '%s': %w", prompt, err)
 		}
@@ -104,12 +118,14 @@ func _main() error {
 	}
 	defer tty.Close()
 
+	p := NewPrompter(tty, cs)
+
 	options := []string{
 		"I need to request that a new SSH key be added to my account.",
 		"I have a code from my e-mail to redeem for a new SSH key",
 		"I just want out of here",
 	}
-	c, err := numberPrompt(cs, tty, "What do you need help with?", options)
+	c, err := p.Select("What do you need help with?", options)
 
 	defer func() {
 		fmt.Println()
@@ -118,9 +134,9 @@ func _main() error {
 
 	switch c {
 	case 0:
-		return collectEmail(db, cs, tty)
+		return collectEmail(db, cs, p)
 	case 1:
-		return redeemCode(tty)
+		return redeemCode(db, cs, p)
 	case 2:
 		return nil
 	}
@@ -128,9 +144,9 @@ func _main() error {
 	return nil
 }
 
-func collectEmail(db *sql.DB, cs colorScheme, tty *tty.TTY) error {
+func collectEmail(db *sql.DB, cs colorScheme, p *Prompter) error {
 	fmt.Println(cs.Header("We can send a authorization code to an email associated with your town account."))
-	email, err := stringPrompt(cs, tty, "email to send reset code to?")
+	email, err := p.String("email to send reset code to?")
 	if err != nil {
 		return err
 	}
@@ -185,8 +201,25 @@ func collectEmail(db *sql.DB, cs colorScheme, tty *tty.TTY) error {
 	return nil
 }
 
-func redeemCode(tty *tty.TTY) error {
-	// TODO deserialize
+func redeemCode(db *sql.DB, cs colorScheme, p *Prompter) error {
+	fmt.Println(cs.Header("redeem an auth code and add a new public key"))
+	fmt.Println()
+	c, err := p.String("paste your auth code:")
+	if err != nil {
+		// TODO log
+		return err
+	}
+
+	parts, err := codes.Decode(c)
+	if err != nil {
+		// TODO log
+		return err
+	}
+	code := parts[0]
+	email := parts[1]
+
+	fmt.Println(code, email)
+
 	// TODO verify code
 	// TODO accept key
 	// TODO verify key