Update GaCy-GO

internal/sdkserver/api_aa_round_selection.go

@@ -0,0 +1,45 @@
+package sdkserver
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"gac-hkrpg-go/internal/common"
+)
+
+func apiAARoundSelection(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case http.MethodGet:
+		selection, err := common.ReadAARoundSelection()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		writeJSON(w, map[string]any{"status": 200, "selection": selection})
+	case http.MethodPost:
+		var request struct {
+			Action      string `json:"action"`
+			PeakGroupID uint32 `json:"peak_group_id"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
+			http.Error(w, "invalid JSON", http.StatusBadRequest)
+			return
+		}
+		if request.Action == "clear" {
+			if err := common.ClearAARoundSelection(); err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+			writeJSON(w, map[string]any{"status": 200, "selection": nil})
+			return
+		}
+		selection, err := common.SetAARoundSelection(request.PeakGroupID)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+		writeJSON(w, map[string]any{"status": 200, "selection": selection})
+	default:
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+	}
+}