package apivalidate

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/ultisuite/ulti-backend/internal/api/apiresponse"
	"github.com/ultisuite/ulti-backend/internal/api/query"
)

func TestDecodeJSONInvalidBody(t *testing.T) {
	req := httptest.NewRequest(http.MethodPost, "/", bytes.NewBufferString("not-json"))
	rec := httptest.NewRecorder()

	err := DecodeJSON(rec, req, 1024, &struct{}{})
	if err == nil {
		t.Fatal("expected decode error")
	}
	if rec.Code != http.StatusBadRequest {
		t.Fatalf("status = %d", rec.Code)
	}

	var body apiresponse.ErrorBody
	_ = json.NewDecoder(rec.Body).Decode(&body)
	if body.Code != apiresponse.CodeInvalidRequest {
		t.Fatalf("code = %q", body.Code)
	}
}

func TestWriteQueryError(t *testing.T) {
	req := httptest.NewRequest(http.MethodGet, "/?page=0", nil)
	rec := httptest.NewRecorder()

	_, err := query.ParseListRequest(req)
	if err == nil {
		t.Fatal("expected query error")
	}
	WriteQueryError(rec, req, err)

	if rec.Code != http.StatusBadRequest {
		t.Fatalf("status = %d", rec.Code)
	}
}