package notificationservice

import (
	"encoding/json"
	"strings"
	"testing"
)

func TestNormalizeFCMCredentialsJSON_multilinePrivateKey(t *testing.T) {
	raw := `{` +
		`"type":"service_account",` +
		`"project_id":"my-proj",` +
		`"private_key":"-----BEGIN PRIVATE KEY-----` +
		`\nLINETWO\n` +
		`-----END PRIVATE KEY-----\n",` +
		`"client_email":"x@some.iam.gserviceaccount.com"` +
		`}`
	raw = strings.ReplaceAll(raw, "\\n", "\n")

	var broken map[string]any
	if err := json.Unmarshal([]byte(raw), &broken); err == nil {
		t.Fatal("expected broken JSON fixture to fail raw parse")
	}

	fixed, err := normalizeFCMCredentialsJSON(raw)
	if err != nil {
		t.Fatalf("normalize: %v", err)
	}
	var m map[string]any
	if err := json.Unmarshal(fixed, &m); err != nil {
		t.Fatalf("unmarshal normalized: %v", err)
	}
	if got := m["project_id"]; got != "my-proj" {
		t.Fatalf("project_id: %v", got)
	}
	pk, _ := m["private_key"].(string)
	if !strings.Contains(pk, "LINETWO") {
		t.Fatalf("private_key body missing")
	}
}