package web
import (
"embed"
"io/fs"
"net/http"
"strings"
)
// Static files embedded at build time
//go:embed static/*
var staticFiles embed.FS
// GetWebUIHandler returns HTTP handler for embedded web UI
func GetWebUIHandler() http.Handler {
// Try to get the static subdirectory
staticFS, err := fs.Sub(staticFiles, "static")
if err != nil {
// Fallback to empty filesystem if no static files
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
w.WriteHeader(200)
w.Write([]byte(`
BZZZ Setup
BZZZ Setup
Web UI not yet built. Please build the React app first.
Run: cd install/config-ui && npm run build
`))
})
}
return http.FileServer(http.FS(staticFS))
}
// IsEmbeddedFileAvailable checks if a file exists in the embedded filesystem
func IsEmbeddedFileAvailable(path string) bool {
path = strings.TrimPrefix(path, "/")
if path == "" {
path = "index.html"
}
_, err := staticFiles.ReadFile("static/" + path)
return err == nil
}
// ServeEmbeddedFile serves a file from the embedded filesystem
func ServeEmbeddedFile(w http.ResponseWriter, r *http.Request, path string) {
path = strings.TrimPrefix(path, "/")
if path == "" {
path = "index.html"
}
content, err := staticFiles.ReadFile("static/" + path)
if err != nil {
http.NotFound(w, r)
return
}
// Set content type based on file extension
contentType := "text/html"
if strings.HasSuffix(path, ".js") {
contentType = "application/javascript"
} else if strings.HasSuffix(path, ".css") {
contentType = "text/css"
} else if strings.HasSuffix(path, ".json") {
contentType = "application/json"
}
w.Header().Set("Content-Type", contentType)
w.Write(content)
}