snapshot before merge

tmp_patch4.py

@@ -0,0 +1,84 @@
+with open(r"E:\GitHub\blog\write-go\cmd\writeserver\main.go", "r", encoding="utf-8", errors="replace") as f:
+    content = f.read()
+
+# Find the root handler and replace it with a reverse proxy to Next.js
+# Remove the embedded HTML page approach, replace with reverse proxy
+
+# 1. Remove the embed directive
+content = content.replace('\n//go:embed admin_page.html\nvar adminPageHTML string\n', '\n')
+content = content.replace('//go:embed admin_page.html\nvar adminPageHTML string\n', '\n')
+
+# 2. Remove _ "embed" from imports
+content = content.replace('\t_ "embed"\n\t"net"\n', '\t"net"\n')
+content = content.replace('\t_ "embed"\n\t"log/slog"\n', '\t"log/slog"\n')
+
+# 3. Add net/http/httputil and net/url for reverse proxy
+content = content.replace(
+    '\t"net/http"\n',
+    '\t"net/http"\n\t"net/http/httputil"\n\t"net/url"\n'
+)
+
+# 4. Replace the root handler with reverse proxy
+old_root = '''	// Root page - admin dashboard
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/" {
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(404)
+			w.Write([]byte("{\"error\":\"not found\"}"))
+			return
+		}
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		w.Write([]byte(adminPageHTML))
+	})'''
+
+new_root = '''	// Root and non-API routes -> reverse proxy to Next.js (localhost:3000)
+	nextURL, _ := url.Parse("http://localhost:3000")
+	proxy := httputil.NewSingleHostReverseProxy(nextURL)
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if strings.HasPrefix(r.URL.Path, "/api/") {
+			// Let API handlers deal with it
+			http.NotFound(w, r)
+			return
+		}
+		proxy.ServeHTTP(w, r)
+	})'''
+
+content = content.replace(old_root, new_root)
+
+# 5. Add Next.js auto-start goroutine  
+old_goroutine = 'go autoStartBot()'
+new_goroutine = '''go autoStartBot()
+	go autoStartNextJS()'''
+
+content = content.replace(old_goroutine, new_goroutine)
+
+# 6. Add the autoStartNextJS function before the last }
+old_end = '\n\taddr := fmt.Sprintf("0.0.0.0:%d", port)'
+new_end = '''
+// autoStartNextJS starts Next.js if not running
+func autoStartNextJS() {
+	time.Sleep(1 * time.Second)
+	// Check if Next.js is already running
+	if _, err := net.DialTimeout("tcp", "127.0.0.1:3000", 2*time.Second); err == nil {
+		lg.Info("Next.js already running on :3000")
+		return
+	}
+	lg.Info("starting Next.js frontend")
+	cmd := exec.Command("npx.cmd", "next", "start", "-p", "3000")
+	cmd.Dir = filepath.Join(config.BLOG_ROOT, "write")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Start(); err != nil {
+		lg.Warn("failed to start Next.js", "err", err)
+	} else {
+		lg.Info("Next.js started", "pid", cmd.Process.Pid)
+	}
+}
+
+	addr := fmt.Sprintf("0.0.0.0:%d", port)'
+
+content = content.replace(old_end, new_end)
+
+with open(r"E:\GitHub\blog\write-go\cmd\writeserver\main.go", "w", encoding="utf-8", errors="replace") as f:
+    f.write(content)
+print("Done")