package main
import (
	"context"
	"fmt"
	"log"
	"cloud.google.com/go/firestore"
	"cloud.google.com/go/firestore/apiv1/firestorepb"
)
func main() {
	ctx := context.Background()
	// Connect to emulator (FIRESTORE_EMULATOR_HOST must be set)
	client, err := firestore.NewClient(ctx, "my-project")
	if err != nil {
		log.Fatal(err)
	}
	defer client.Close()
	// Create some test data
	client.Collection("items").Doc("1").Set(ctx, map[string]interface{}{"active": true})
	client.Collection("items").Doc("2").Set(ctx, map[string]interface{}{"active": true})
	// Run aggregation query
	query := client.Collection("items").Where("active", "==", true)
	results, err := query.NewAggregationQuery().WithCount("count").Get(ctx)
	if err != nil {
		log.Fatal(err)
	}
	count := results["count"]
	fmt.Printf("Type: %T, Value: %v\n", count, count)
	// Emulator returns: Type: *firestorepb.Value, Value: integer_value:2
	// Production returns: Type: int64, Value: 2
	// Workaround required:
	switch v := count.(type) {
	case int64:
		fmt.Println("Got int64:", v)
	case *firestorepb.Value:
		fmt.Println("Got *firestorepb.Value:", v.GetIntegerValue())
	}
}

module example
go 1.25
require (
	cloud.google.com/go/firestore v1.18.0
)

for k, v := range f {
    resp[k] = v  // v is *pb.Value, assigned directly without conversion
}

for k, v := range f {
    converted, err := createFromProtoValue(v, a.query.c)
    if err != nil {
        return nil, err
    }
    resp[k] = converted
}