package app

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

func TestHealthzReturnsOK(t *testing.T) {
	srv := newTestServer(t)
	req := httptest.NewRequest(http.MethodGet, "/healthz", nil)
	rec := httptest.NewRecorder()

	srv.Routes().ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("expected ok, got %d", rec.Code)
	}
}

func TestReadyzReturnsVersionAndDBHealth(t *testing.T) {
	srv := newTestServer(t)
	req := httptest.NewRequest(http.MethodGet, "/readyz", nil)
	rec := httptest.NewRecorder()

	srv.Routes().ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("expected ok, got %d", rec.Code)
	}
	if got := rec.Header().Get("Content-Type"); got != "application/json; charset=utf-8" {
		t.Fatalf("expected json content type, got %q", got)
	}
	var body struct {
		Version   string `json:"version"`
		DBHealthy bool   `json:"db_healthy"`
	}
	if err := json.NewDecoder(rec.Result().Body).Decode(&body); err != nil {
		t.Fatal(err)
	}
	if body.Version != "test-version" || !body.DBHealthy {
		t.Fatalf("unexpected readyz body: %+v", body)
	}
}