Organize Agentbox runtime code

Co-authored-by: codegirl007 <codegirl-007@users.noreply.github.com>

agentbox/internal/environment/dockerx11/input.go

@@ -0,0 +1,95 @@
+package dockerx11
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"agentbox/internal/environment"
+)
+
+func (environmentBackend *Environment) SendInput(
+	ctx context.Context,
+	action environment.InputAction,
+) error {
+	var xdotoolArguments []string
+	switch action.Type {
+	case environment.KeyDown:
+		if action.Key == "" {
+			return errors.New("key_down requires key")
+		}
+		xdotoolArguments = []string{"keydown", toX11KeyName(action.Key)}
+	case environment.KeyUp:
+		if action.Key == "" {
+			return errors.New("key_up requires key")
+		}
+		xdotoolArguments = []string{"keyup", toX11KeyName(action.Key)}
+	case environment.MouseMove:
+		xdotoolArguments = []string{
+			"mousemove",
+			strconv.Itoa(action.X),
+			strconv.Itoa(action.Y),
+		}
+	case environment.MouseDown:
+		xdotoolArguments = []string{"mousedown", strconv.Itoa(action.Button)}
+	case environment.MouseUp:
+		xdotoolArguments = []string{"mouseup", strconv.Itoa(action.Button)}
+	case environment.Wait:
+		if action.DurationMS < 0 {
+			return errors.New("wait duration cannot be negative")
+		}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-time.After(time.Duration(action.DurationMS) * time.Millisecond):
+			return nil
+		}
+	default:
+		return fmt.Errorf("unsupported input action %q", action.Type)
+	}
+
+	dockerArguments := []string{
+		"exec",
+		environmentBackend.containerName,
+		"xdotool",
+	}
+	dockerArguments = append(dockerArguments, xdotoolArguments...)
+	if _, err := environmentBackend.runDocker(ctx, dockerArguments...); err != nil {
+		return fmt.Errorf("send %s: %w", action.Type, err)
+	}
+	return nil
+}
+
+// toX11KeyName keeps X11 spellings out of the public action API. Agents can use
+// logical names such as RIGHT even though xdotool expects Right.
+func toX11KeyName(logicalName string) string {
+	switch strings.ToUpper(logicalName) {
+	case "LEFT":
+		return "Left"
+	case "RIGHT":
+		return "Right"
+	case "UP":
+		return "Up"
+	case "DOWN":
+		return "Down"
+	case "ENTER", "RETURN":
+		return "Return"
+	case "ESC", "ESCAPE":
+		return "Escape"
+	case "SPACE":
+		return "space"
+	case "TAB":
+		return "Tab"
+	case "BACKSPACE":
+		return "BackSpace"
+	case "DELETE":
+		return "Delete"
+	}
+	if len(logicalName) == 1 {
+		return strings.ToLower(logicalName)
+	}
+	return logicalName
+}