Add callbacks, crescendo sound and better configs

ui/config.go

@@ -24,6 +24,11 @@ const (
 	cfgServerPassword
 	cfgAPIPassword
 	cfgPollSeconds
+	cfgCrescendoEnabled
+	cfgCrescendoStartPct
+	cfgCrescendoEndPct
+	cfgCrescendoDurationS
+	cfgCallbackScript
 	cfgFieldCount
 )
 
@@ -51,6 +56,15 @@ func newConfigModel(cfg db.Settings) *configModel {
 	c.fields[cfgServerPassword] = cfg.ServerPassword
 	c.fields[cfgAPIPassword] = cfg.APIPassword
 	c.fields[cfgPollSeconds] = strconv.Itoa(cfg.PollSeconds)
+	if cfg.CrescendoEnabled {
+		c.fields[cfgCrescendoEnabled] = "true"
+	} else {
+		c.fields[cfgCrescendoEnabled] = "false"
+	}
+	c.fields[cfgCrescendoStartPct] = strconv.Itoa(cfg.CrescendoStartPct)
+	c.fields[cfgCrescendoEndPct] = strconv.Itoa(cfg.CrescendoEndPct)
+	c.fields[cfgCrescendoDurationS] = strconv.Itoa(cfg.CrescendoDurationS)
+	c.fields[cfgCallbackScript] = cfg.CallbackScript
 	return c
 }
 
@@ -90,11 +104,12 @@ func (c *configModel) HandleKey(msg tea.KeyMsg, m *Model) (tea.Model, tea.Cmd) {
 
 	case " ":
 		// Toggle boolean fields
-		if c.active == cfgShowSeconds {
-			if c.fields[cfgShowSeconds] == "true" {
-				c.fields[cfgShowSeconds] = "false"
+		if c.active == cfgShowSeconds || c.active == cfgCrescendoEnabled {
+			field := &c.fields[c.active]
+			if *field == "true" {
+				*field = "false"
 			} else {
-				c.fields[cfgShowSeconds] = "true"
+				*field = "true"
 			}
 			return *m, nil
 		}
@@ -106,7 +121,7 @@ func (c *configModel) HandleKey(msg tea.KeyMsg, m *Model) (tea.Model, tea.Cmd) {
 	default:
 		if len(key) == 1 {
 			// Don't allow free typing on boolean fields
-			if c.active == cfgShowSeconds {
+			if c.active == cfgShowSeconds || c.active == cfgCrescendoEnabled {
 				return *m, nil
 			}
 			c.fields[c.active] += key
@@ -159,6 +174,24 @@ func (c *configModel) save(m *Model) (tea.Model, tea.Cmd) {
 		return *m, nil
 	}
 
+	crescStartPct, err := strconv.Atoi(strings.TrimSpace(c.fields[cfgCrescendoStartPct]))
+	if err != nil || crescStartPct < 0 || crescStartPct > 100 {
+		c.err = "Crescendo start must be 0-100%"
+		return *m, nil
+	}
+
+	crescEndPct, err := strconv.Atoi(strings.TrimSpace(c.fields[cfgCrescendoEndPct]))
+	if err != nil || crescEndPct < 0 || crescEndPct > 150 {
+		c.err = "Crescendo end must be 0-150%"
+		return *m, nil
+	}
+
+	crescDuration, err := strconv.Atoi(strings.TrimSpace(c.fields[cfgCrescendoDurationS]))
+	if err != nil || crescDuration < 1 || crescDuration > 300 {
+		c.err = "Crescendo duration must be 1-300 seconds"
+		return *m, nil
+	}
+
 	cfg := db.Settings{
 		SnoozeMinutes:  snooze,
 		TimeoutMinutes: timeout,
@@ -177,6 +210,12 @@ func (c *configModel) save(m *Model) (tea.Model, tea.Cmd) {
 	cfg.APIPassword = strings.TrimSpace(c.fields[cfgAPIPassword])
 	cfg.PollSeconds = pollSeconds
 
+	cfg.CrescendoEnabled = strings.TrimSpace(c.fields[cfgCrescendoEnabled]) == "true"
+	cfg.CrescendoStartPct = crescStartPct
+	cfg.CrescendoEndPct = crescEndPct
+	cfg.CrescendoDurationS = crescDuration
+	cfg.CallbackScript = strings.TrimSpace(c.fields[cfgCallbackScript])
+
 	if cfg.DefaultSound == "" {
 		cfg.DefaultSound = "default"
 	}
@@ -208,6 +247,11 @@ func (c *configModel) View() string {
 		"Server pass:",
 		"API password:",
 		"Poll (sec):",
+		"Enabled:",
+		"Start %:",
+		"End %:",
+		"Duration (s):",
+		"Script path:",
 	}
 
 	hints := [cfgFieldCount]string{
@@ -223,12 +267,31 @@ func (c *configModel) View() string {
 		"password to auth with server",
 		"password for incoming API requests",
 		"1-60, client poll frequency",
+		"space to toggle",
+		"0-100, starting volume",
+		"0-150, ending volume (>100 = overdrive)",
+		"1-300, ramp duration in seconds",
+		"called with: start|dismiss|snooze|timeout <name>",
+	}
+
+	// Section headers: field index -> section name
+	sections := map[cfgField]string{
+		cfgSnoozeMinutes:    "─── Alarm ───",
+		cfgBlinkOnMs:        "─── Display ───",
+		cfgServerURL:        "─── Network ───",
+		cfgCrescendoEnabled: "─── Crescendo (pactl) ───",
+		cfgCallbackScript:   "─── Hooks ───",
 	}
 
 	var lines []string
 	lines = append(lines, TitleStyle.Render("Settings"), "")
 
 	for i := cfgField(0); i < cfgFieldCount; i++ {
+		// Insert section header if this field starts a new section
+		if section, ok := sections[i]; ok {
+			lines = append(lines, "", DividerStyle.Render(section))
+		}
+
 		labelStr := fmt.Sprintf("%15s", labels[i])
 		value := c.fields[i]