implement strip fader commands

cmd/strip.go

@@ -1,24 +1,22 @@
-/*
-LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
-*/
 package cmd
 
 import (
-	"fmt"
+	"time"
 
 	"github.com/spf13/cobra"
 )
 
-// stripCmd represents the strip command
+// stripCmd represents the strip command.
 var stripCmd = &cobra.Command{
 	Use:   "strip",
 	Short: "Commands to control individual strips",
 	Long:  `Commands to control individual strips of the XAir mixer, including fader level and mute status.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("strip called")
+	Run: func(cmd *cobra.Command, _ []string) {
+		cmd.Help()
 	},
 }
 
+// stripMuteCmd represents the strip mute command.
 var stripMuteCmd = &cobra.Command{
 	Use:   "mute",
 	Short: "Get or set the mute status of a strip",
@@ -85,8 +83,196 @@ For example:
 	},
 }
 
+// stripFaderCmd represents the strip fader command.
+var stripFaderCmd = &cobra.Command{
+	Use:   "fader",
+	Short: "Get or set the fader level of a strip",
+	Long: `Get or set the fader level of a specific strip.
+
+If no level argument is provided, the current fader level is retrieved.
+If a level argument (in dB) is provided, the strip fader is set to that level.
+
+For example:
+  # Get the current fader level of strip 1
+  xair-cli strip fader 1
+  
+  # Set the fader level of strip 1 to -10.0 dB
+  xair-cli strip fader 1 -10.0
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		client := ClientFromContext(cmd.Context())
+		if client == nil {
+			cmd.PrintErrln("OSC client not found in context")
+			return
+		}
+
+		if len(args) < 1 {
+			cmd.PrintErrln("Please provide a strip number")
+			return
+		}
+
+		stripIndex := mustConvToInt(args[0])
+
+		if len(args) == 1 {
+			level, err := client.StripFader(stripIndex)
+			if err != nil {
+				cmd.PrintErrln("Error getting strip fader level:", err)
+				return
+			}
+			cmd.Printf("Strip %d fader level: %.2f\n", stripIndex, level)
+			return
+		}
+
+		if len(args) < 2 {
+			cmd.PrintErrln("Please provide a fader level in dB")
+			return
+		}
+
+		level := mustConvToFloat64(args[1])
+
+		err := client.SetStripFader(stripIndex, level)
+		if err != nil {
+			cmd.PrintErrln("Error setting strip fader level:", err)
+			return
+		}
+		cmd.Printf("Strip %d fader set to %.2f dB\n", stripIndex, level)
+	},
+}
+
+// stripFadeOutCmd represents the strip fade out command.
+var stripFadeOutCmd = &cobra.Command{
+	Use:   "fadeout",
+	Short: "Fade out the strip over a specified duration",
+	Long: `Fade out the strip over a specified duration in seconds.
+
+For example:
+  # Fade out strip 1 over 5 seconds
+  xair-cli strip fadeout 1 --duration 5.0
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		client := ClientFromContext(cmd.Context())
+		if client == nil {
+			cmd.PrintErrln("OSC client not found in context")
+			return
+		}
+
+		if len(args) < 1 {
+			cmd.PrintErrln("Please provide strip number")
+			return
+		}
+
+		stripIndex := mustConvToInt(args[0])
+
+		duration, err := cmd.Flags().GetFloat64("duration")
+		if err != nil {
+			cmd.PrintErrln("Error getting duration flag:", err)
+			return
+		}
+
+		target := -90.0
+		if len(args) > 1 {
+			target = mustConvToFloat64(args[1])
+		}
+
+		currentFader, err := client.StripFader(stripIndex)
+		if err != nil {
+			cmd.PrintErrln("Error getting current strip fader level:", err)
+			return
+		}
+
+		totalSteps := float64(currentFader - target)
+		if totalSteps <= 0 {
+			cmd.Println("Strip is already at or below target level")
+			return
+		}
+
+		stepDelay := time.Duration(duration*1000/totalSteps) * time.Millisecond
+
+		for currentFader > target {
+			currentFader -= 1.0
+			err := client.SetStripFader(stripIndex, currentFader)
+			if err != nil {
+				cmd.PrintErrln("Error setting strip fader level:", err)
+				return
+			}
+			time.Sleep(stepDelay)
+		}
+
+		cmd.Printf("Strip %d faded out to %.2f dB over %.2f seconds\n", stripIndex, target, duration)
+	},
+}
+
+// stripFadeInCmd represents the strip fade in command.
+var stripFadeInCmd = &cobra.Command{
+	Use:   "fadein",
+	Short: "Fade in the strip over a specified duration",
+	Long: `Fade in the strip over a specified duration in seconds.
+
+For example:
+  # Fade in strip 1 over 5 seconds
+  xair-cli strip fadein 1 --duration 5.0
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		client := ClientFromContext(cmd.Context())
+		if client == nil {
+			cmd.PrintErrln("OSC client not found in context")
+			return
+		}
+
+		if len(args) < 1 {
+			cmd.PrintErrln("Please provide strip number")
+			return
+		}
+
+		stripIndex := mustConvToInt(args[0])
+
+		duration, err := cmd.Flags().GetFloat64("duration")
+		if err != nil {
+			cmd.PrintErrln("Error getting duration flag:", err)
+			return
+		}
+
+		target := 0.0
+		if len(args) > 1 {
+			target = mustConvToFloat64(args[1])
+		}
+
+		currentFader, err := client.StripFader(stripIndex)
+		if err != nil {
+			cmd.PrintErrln("Error getting current strip fader level:", err)
+			return
+		}
+
+		totalSteps := float64(target - currentFader)
+		if totalSteps <= 0 {
+			cmd.Println("Strip is already at or above target level")
+			return
+		}
+
+		stepDelay := time.Duration(duration*1000/totalSteps) * time.Millisecond
+
+		for currentFader < target {
+			currentFader += 1.0
+			err := client.SetStripFader(stripIndex, currentFader)
+			if err != nil {
+				cmd.PrintErrln("Error setting strip fader level:", err)
+				return
+			}
+			time.Sleep(stepDelay)
+		}
+
+		cmd.Printf("Strip %d faded in to %.2f dB over %.2f seconds\n", stripIndex, target, duration)
+	},
+}
+
 func init() {
 	rootCmd.AddCommand(stripCmd)
 
 	stripCmd.AddCommand(stripMuteCmd)
+
+	stripCmd.AddCommand(stripFaderCmd)
+	stripCmd.AddCommand(stripFadeOutCmd)
+	stripFadeOutCmd.Flags().Float64P("duration", "d", 5.0, "Duration of the fade out in seconds")
+	stripCmd.AddCommand(stripFadeInCmd)
+	stripFadeInCmd.Flags().Float64P("duration", "d", 5.0, "Duration of the fade in in seconds")
 }