start on bare bones help SSH command

cmd/help/main.go

@@ -1,7 +1,78 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+	"strconv"
+
+	"github.com/mattn/go-tty"
+)
+
+func numberPrompt(tty *tty.TTY, prompt string, opts []string) (int, error) {
+	fmt.Println()
+	fmt.Println(prompt)
+	fmt.Println("(pick an option using the corresponding number)")
+
+	chosen := -1
+	for chosen < 0 {
+		fmt.Println()
+		for ix, o := range opts {
+			fmt.Printf("%d: %s\n", ix+1, o)
+		}
+		r, err := tty.ReadRune()
+		if err != nil {
+			return -1, fmt.Errorf("could not collect answer for '%s': %w", prompt, err)
+		}
+		c, err := strconv.Atoi(string(r))
+		if err != nil {
+			fmt.Println()
+			fmt.Printf("I could not understand '%s'. Try again, please.\n", string(r))
+			continue
+		}
+		if c > len(opts) || c == 0 {
+			fmt.Println()
+			fmt.Printf("%s is not an option. Try again, please.\n", string(r))
+			continue
+		}
+		chosen = c - 1
+	}
+
+	return chosen, nil
+}
+
+func _main() error {
+	fmt.Println("Hi, you have reached the tilde town help desk.")
+	fmt.Println()
+	fmt.Println("Please check out the options below. If none of them apply to you, you can send an e-mail to root@tilde.town .")
+	tty, err := tty.Open()
+	if err != nil {
+		return fmt.Errorf("could not open tty: %w", err)
+	}
+	defer tty.Close()
+
+	options := []string{
+		"I lost access to my tilde.town account and want to upload a new SSH key",
+		"I have a code from my e-mail to redeem",
+		"I just want outta here",
+	}
+	c, err := numberPrompt(tty, "What do you need help with?", options)
+
+	if c == 2 {
+		fmt.Println()
+		fmt.Println("bye~")
+		return nil
+	}
+
+	// TODO collect email
+
+	return nil
+}
 
 func main() {
-	fmt.Println("TODO")
+	err := _main()
+	if err != nil {
+		fmt.Printf("sorry, something went wrong: %s\n", err.Error())
+		fmt.Println("Please let an admin know by emailing a copy of this error to root@tilde.town")
+		os.Exit(1)
+	}
 }

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/charmbracelet/lipgloss v0.6.0
 	github.com/gdamore/tcell/v2 v2.5.3
 	github.com/mattn/go-sqlite3 v1.14.16
+	github.com/mattn/go-tty v0.0.5
 	github.com/rivo/tview v0.0.0-20230130130022-4a1b7a76c01c
 	github.com/spf13/cobra v1.5.0
 	gopkg.in/yaml.v3 v3.0.1
@@ -23,7 +24,7 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
-	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/mattn/go-colorable v0.1.4 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect

go.sum

@@ -34,12 +34,15 @@ github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNU
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
-github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
 github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
+github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
 github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
 github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
@@ -47,6 +50,8 @@ github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4
 github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
 github.com/mattn/go-sqlite3 v1.14.16/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
+github.com/mattn/go-tty v0.0.5 h1:s09uXI7yDbXzzTTfw3zonKFzwGkyYlgU3OMjqA0ddz4=
+github.com/mattn/go-tty v0.0.5/go.mod h1:u5GGXBtZU6RQoKV8gY5W6UhMudbR5vXnUe7j3pxse28=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b h1:j7+1HpAFS1zy5+Q4qx1fWh90gTKwiN4QCGoY9TWyyO4=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/microcosm-cc/bluemonday v1.0.17 h1:Z1a//hgsQ4yjC+8zEkV8IWySkXnsxmdSY642CTFQb5Y=
@@ -84,6 +89,8 @@ github.com/yuin/goldmark-emoji v1.0.1/go.mod h1:2w1E6FEWLcDQkoTE+7HU6QF1F6SLlNGj
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=