package appuser

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

func TestWriteMutationErrorMapsGRPCBusinessFailures(t *testing.T) {
	gin.SetMode(gin.TestMode)
	tests := []struct {
		name       string
		err        error
		wantStatus int
	}{
		{name: "invalid level", err: status.Error(codes.FailedPrecondition, "target must exceed real level"), wantStatus: http.StatusBadRequest},
		{name: "missing user", err: status.Error(codes.NotFound, "user not found"), wantStatus: http.StatusNotFound},
		{name: "owner unavailable", err: status.Error(codes.Unavailable, "activity unavailable"), wantStatus: http.StatusInternalServerError},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			recorder := httptest.NewRecorder()
			context, _ := gin.CreateTestContext(recorder)
			writeMutationError(context, test.err, "mutation failed")
			if recorder.Code != test.wantStatus {
				t.Fatalf("HTTP status=%d want=%d body=%s", recorder.Code, test.wantStatus, recorder.Body.String())
			}
		})
	}
}