package health

import (
	"context"
	"strings"
	"testing"
	"time"
)

func TestSampleReportsHostDataAndUnconfiguredDimensionsAsUnknown(t *testing.T) {
	sample := (Sampler{Now: func() time.Time { return time.Unix(100, 0) }}).Sample(context.Background(), t.TempDir())
	if sample.ObservedAtUnixMs != 100000 {
		t.Fatalf("observed_at=%d", sample.ObservedAtUnixMs)
	}
	if sample.MemoryAvailableBytes <= 0 || sample.SpoolCapacityBytes <= 0 || sample.FdLimit <= 0 {
		t.Fatalf("expected host observations: %+v", sample)
	}
	if sample.SampleFresh {
		t.Fatal("expected sample to remain unknown until media/AI dimensions are connected")
	}
	if !strings.Contains(sample.MissingReason, "media_ports") || !strings.Contains(sample.MissingReason, "ai_quota") {
		t.Fatalf("missing reason=%q", sample.MissingReason)
	}
}

func TestSampleFailsClosedForCanceledContext(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	cancel()
	sample := (Sampler{}).Sample(ctx, t.TempDir())
	if sample.SampleFresh {
		t.Fatal("canceled sample must not be fresh")
	}
	if sample.MissingReason == "" {
		t.Fatal("canceled sample must explain missing data")
	}
}