fixup: refactor launchpad, clearer structure, cancel timer

Signed-off-by: Simon Schrottner <[email protected]>

flagd/Dockerfile

@@ -6,9 +6,11 @@ FROM golang:1.24 AS builder
 WORKDIR /app
 
 # Copy Go modules and dependencies
-COPY launchpad/go.mod launchpad/go.sum launchpad/main.go ./
+COPY launchpad/go.mod launchpad/go.sum ./
 RUN go mod download
 
+COPY launchpad/ ./
+
 # Build the Go binary
 RUN go build -o launchpad main.go
 

launchpad/handlers/http.go

@@ -0,0 +1,75 @@
+package handlers
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"openfeature.com/flagd-testbed/launchpad/pkg"
+	"strconv"
+)
+
+// Response struct to standardize API responses
+type Response struct {
+	Status  string `json:"status"`
+	Message string `json:"message"`
+}
+
+// StartFlagdHandler starts the `flagd` process
+func StartFlagdHandler(w http.ResponseWriter, r *http.Request) {
+	config := r.URL.Query().Get("config")
+
+	if err := flagd.StartFlagd(config); err != nil {
+		respondWithJSON(w, http.StatusInternalServerError, "error", fmt.Sprintf("Failed to start flagd: %v", err))
+		return
+	}
+	respondWithJSON(w, http.StatusOK, "success", "flagd started successfully")
+}
+
+// RestartHandler stops and starts `flagd`
+func RestartHandler(w http.ResponseWriter, r *http.Request) {
+	secondsStr := r.URL.Query().Get("seconds")
+	if secondsStr == "" {
+		secondsStr = "5"
+	}
+
+	seconds, err := strconv.Atoi(secondsStr)
+	if err != nil || seconds < 0 {
+		respondWithJSON(w, http.StatusBadRequest, "error", "'seconds' must be a non-negative integer")
+		return
+	}
+
+	flagd.RestartFlagd(seconds)
+	respondWithJSON(w, http.StatusOK, "success", fmt.Sprintf("flagd will restart in %d seconds", seconds))
+}
+
+// StopFlagdHandler stops `flagd`
+func StopFlagdHandler(w http.ResponseWriter, r *http.Request) {
+	if err := flagd.StopFlagd(); err != nil {
+		respondWithJSON(w, http.StatusInternalServerError, "error", fmt.Sprintf("Failed to stop flagd: %v", err))
+		return
+	}
+	respondWithJSON(w, http.StatusOK, "success", "flagd stopped successfully")
+}
+
+// ChangeHandler triggers JSON file merging and notifies `flagd`
+func ChangeHandler(w http.ResponseWriter, r *http.Request) {
+	if err := flagd.CombineJSONFiles(flagd.InputDir); err != nil {
+		respondWithJSON(w, http.StatusInternalServerError, "error", fmt.Sprintf("Failed to update JSON files: %v", err))
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, "success", "JSON files updated successfully")
+}
+
+// Utility function to send JSON responses
+func respondWithJSON(w http.ResponseWriter, statusCode int, status, message string) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(statusCode)
+
+	response := Response{
+		Status:  status,
+		Message: message,
+	}
+
+	json.NewEncoder(w).Encode(response)
+}