package observability

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

func TestHealthHandlerReadinessAndMetrics_HP_OPS_01(t *testing.T) {
	t.Parallel()
	health := New()
	health.Inc("dispatch_attempt")
	handler := health.Handler(Paths{Liveness: "/live", Readiness: "/ready", Metrics: "/metrics"})
	ready := httptest.NewRecorder()
	handler.ServeHTTP(ready, httptest.NewRequest(http.MethodGet, "/ready", nil))
	if ready.Code != http.StatusServiceUnavailable || !strings.Contains(ready.Body.String(), "ready=false") {
		t.Fatalf("initial readiness = %d %q", ready.Code, ready.Body.String())
	}
	health.SetReady(true)
	health.SetDirty(true)
	ready = httptest.NewRecorder()
	handler.ServeHTTP(ready, httptest.NewRequest(http.MethodGet, "/ready", nil))
	if ready.Code != http.StatusOK || !strings.Contains(ready.Body.String(), "dirty=true") {
		t.Fatalf("ready health = %d %q", ready.Code, ready.Body.String())
	}
	metrics := httptest.NewRecorder()
	handler.ServeHTTP(metrics, httptest.NewRequest(http.MethodGet, "/metrics", nil))
	if metrics.Code != http.StatusOK || !strings.Contains(metrics.Body.String(), "rvbox_dispatch_attempt_total 1") {
		t.Fatalf("metrics = %d %q", metrics.Code, metrics.Body.String())
	}
}

func TestHealthMetricNamesAreBounded_BH_OPS_01(t *testing.T) {
	t.Parallel()
	health := New()
	health.Inc("bad name")
	_, _, counters := health.Snapshot()
	if len(counters) != 0 {
		t.Fatalf("invalid metric name recorded: %#v", counters)
	}
}