package viewer

import (
	"strings"
	"testing"
)

func TestRenderHTMLIncludesKnownSectionsAndFields(t *testing.T) {
	snapshot := []byte(`{
  "target_host": "test-host",
  "collected_at": "2026-03-15T12:00:00Z",
  "hardware": {
    "board": {
      "serial_number": "BOARD-001",
      "product_name": "Test Server"
    },
    "cpus": [
      {
        "socket": 0,
        "model": "Xeon",
        "status": "OK",
        "temperature_c": 61.5
      }
    ]
  }
}`)

	html, err := RenderHTML(snapshot, "Reanimator Chart")
	if err != nil {
		t.Fatalf("RenderHTML() error = %v", err)
	}

	text := string(html)
	for _, needle := range []string{
		"Reanimator Chart",
		"test-host",
		"Board",
		"CPUs",
		"BOARD-001",
		"Xeon",
		"temperature_c",
		"status-ok",
	} {
		if !strings.Contains(text, needle) {
			t.Fatalf("expected rendered html to contain %q", needle)
		}
	}
}