chore: uncommitted changes auto-commit

main.go

@@ -10,9 +10,11 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"sort"
 	"strings"
+	"time"
 )
 
 const (
@@ -56,21 +58,7 @@ func findLatestScreenshot(desktop string) (string, error) {
 	return filepath.Join(desktop, screenshots[0].Name()), nil
 }
 
-func screenshotHandler(w http.ResponseWriter, r *http.Request) {
-	if r.Method != http.MethodGet {
-		http.Error(w, "GET only", http.StatusMethodNotAllowed)
-		return
-	}
-
-	desktop := getDesktopPath()
-	path, err := findLatestScreenshot(desktop)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusNotFound)
-		log.Println("No screenshot:", err)
-		return
-	}
-
-	// Open and serve
+func serveAndDelete(w http.ResponseWriter, path string) {
 	f, err := os.Open(path)
 	if err != nil {
 		http.Error(w, "Cannot open file", http.StatusInternalServerError)
@@ -88,7 +76,6 @@ func screenshotHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Delete after successful send
 	f.Close()
 	if err := os.Remove(path); err != nil {
 		log.Println("Warning: could not delete:", err)
@@ -97,18 +84,62 @@ func screenshotHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func screenshotHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "GET only", http.StatusMethodNotAllowed)
+		return
+	}
+
+	desktop := getDesktopPath()
+	path, err := findLatestScreenshot(desktop)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+		log.Println("No screenshot:", err)
+		return
+	}
+
+	serveAndDelete(w, path)
+}
+
+func captureHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "POST only", http.StatusMethodNotAllowed)
+		return
+	}
+
+	display := r.URL.Query().Get("display")
+	if display == "" {
+		display = "1"
+	}
+
+	tmpFile := filepath.Join(os.TempDir(), fmt.Sprintf("capture-%d.png", time.Now().UnixNano()))
+
+	cmd := exec.Command("screencapture", "-x", "-D", display, tmpFile)
+	if out, err := cmd.CombinedOutput(); err != nil {
+		http.Error(w, fmt.Sprintf("capture failed: %v: %s", err, out), http.StatusInternalServerError)
+		log.Printf("Capture failed (display %s): %v: %s", display, err, out)
+		os.Remove(tmpFile)
+		return
+	}
+
+	log.Printf("Captured display %s", display)
+	serveAndDelete(w, tmpFile)
+}
+
 func healthHandler(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("ok"))
 }
 
 func main() {
 	http.HandleFunc("/screenshot", screenshotHandler)
+	http.HandleFunc("/capture", captureHandler)
 	http.HandleFunc("/health", healthHandler)
 
 	log.Printf("Screenshot server starting on %s", port)
 	log.Printf("Desktop: %s", getDesktopPath())
 	log.Printf("Endpoints:")
 	log.Printf("  GET  /screenshot        - fetch & delete latest screenshot")
+	log.Printf("  POST /capture?display=N - take screenshot of display N")
 	log.Printf("  GET  /health            - health check")
 
 	if err := http.ListenAndServe(port, nil); err != nil {