package cli

import (
	"fmt"
	"io"

	"git.dcglab.co.uk/steve/emcli/internal/store"
)

// accountShow renders one account's configuration. The password is never shown.
func accountShow(st *store.Store, rest []string, out, errOut io.Writer) int {
	if len(rest) == 0 {
		fmt.Fprintln(errOut, "usage: emcli account show <name>")
		return 2
	}
	if len(rest) > 1 {
		fmt.Fprintf(errOut, "unexpected argument %q\n", rest[1])
		return 2
	}
	a, err := st.GetAccount(rest[0])
	if err != nil {
		fmt.Fprintf(errOut, "show: %v\n", err)
		return 1
	}
	onOff := func(b bool) string {
		if b {
			return "enabled"
		}
		return "disabled"
	}
	smtp := "-"
	if a.SMTPHost != "" {
		smtp = fmt.Sprintf("%s:%d (%s)", a.SMTPHost, a.SMTPPort, a.SMTPSecurity)
	}
	subj := a.SubjectRegex
	if subj == "" {
		subj = "(none)"
	}
	// Labels padded to the width of the longest ("outbound whitelist:") so
	// every value aligns in one column.
	const lbl = "%-19s %s\n"
	fmt.Fprintf(out, lbl, "name:", a.Name)
	fmt.Fprintf(out, lbl, "mode:", a.Mode)
	fmt.Fprintf(out, lbl, "imap:", fmt.Sprintf("%s:%d (%s)", a.IMAPHost, a.IMAPPort, a.IMAPSecurity))
	fmt.Fprintf(out, lbl, "smtp:", smtp)
	fmt.Fprintf(out, lbl, "username:", a.Username)
	fmt.Fprintf(out, lbl, "send-from:", a.SendFrom())
	fmt.Fprintf(out, lbl, "subject filter:", subj)
	fmt.Fprintf(out, lbl, "inbound whitelist:", onOff(a.WhitelistInEnabled))
	fmt.Fprintf(out, lbl, "outbound whitelist:", onOff(a.WhitelistOutEnabled))
	return 0
}