Chimera Settle service

api/gateway/chsettle/internal/service/treasury/bot/commands.go

@@ -0,0 +1,94 @@
+package bot
+
+import "strings"
+
+type Command string
+
+const (
+	CommandStart    Command = "start"
+	CommandHelp     Command = "help"
+	CommandFund     Command = "fund"
+	CommandWithdraw Command = "withdraw"
+	CommandConfirm  Command = "confirm"
+	CommandCancel   Command = "cancel"
+)
+
+var supportedCommands = []Command{
+	CommandStart,
+	CommandHelp,
+	CommandFund,
+	CommandWithdraw,
+	CommandConfirm,
+	CommandCancel,
+}
+
+func (c Command) Slash() string {
+	name := strings.TrimSpace(string(c))
+	if name == "" {
+		return ""
+	}
+	return "/" + name
+}
+
+func parseCommand(text string) Command {
+	text = strings.TrimSpace(text)
+	if !strings.HasPrefix(text, "/") {
+		return ""
+	}
+	token := text
+	if idx := strings.IndexAny(token, " \t\n\r"); idx >= 0 {
+		token = token[:idx]
+	}
+	token = strings.TrimPrefix(token, "/")
+	if idx := strings.Index(token, "@"); idx >= 0 {
+		token = token[:idx]
+	}
+	return Command(strings.ToLower(strings.TrimSpace(token)))
+}
+
+func supportedCommandsMessage() string {
+	lines := make([]string, 0, len(supportedCommands)+2)
+	lines = append(lines, "*Supported Commands*")
+	lines = append(lines, "")
+	for _, cmd := range supportedCommands {
+		lines = append(lines, markdownCommand(cmd))
+	}
+	return strings.Join(lines, "\n")
+}
+
+func confirmationCommandsMessage() string {
+	return strings.Join([]string{
+		"*Confirm Operation*",
+		"",
+		"Use " + markdownCommand(CommandConfirm) + " to execute.",
+		"Use " + markdownCommand(CommandCancel) + " to abort.",
+	}, "\n")
+}
+
+func helpMessage(accountCode string, currency string) string {
+	accountCode = strings.TrimSpace(accountCode)
+	currency = strings.ToUpper(strings.TrimSpace(currency))
+	if accountCode == "" {
+		accountCode = "N/A"
+	}
+	if currency == "" {
+		currency = "N/A"
+	}
+
+	lines := []string{
+		"*Treasury Bot Help*",
+		"",
+		"*Attached account:* " + markdownCode(accountCode) + " (" + markdownCode(currency) + ")",
+		"",
+		"*How to use*",
+		"1. Start funding with " + markdownCommand(CommandFund) + " or withdrawal with " + markdownCommand(CommandWithdraw) + ".",
+		"2. Enter amount as decimal with dot separator and no currency.",
+		"   Example: " + markdownCode("1250.75"),
+		"3. Confirm with " + markdownCommand(CommandConfirm) + " or abort with " + markdownCommand(CommandCancel) + ".",
+		"",
+		"*Cooldown*",
+		"After confirmation there is a cooldown window. You can cancel during it with " + markdownCommand(CommandCancel) + ".",
+		"You will receive a follow-up message with execution success or failure.",
+	}
+	return strings.Join(lines, "\n")
+}