package services

import "testing"

func TestExtractVideoPreviewURLFindsEnvatoPreview(t *testing.T) {
	html := `<script type="application/ld+json">{"contentUrl":"https://video-previews.elements.envatousercontent.com/ad0a3abc-7eb0-4075-8f68-8198f9a08777/watermarked_preview/watermarked_preview.mp4"}</script>`
	got := firstNonEmpty(extractJSONLDValue(html, "contentUrl"), extractVideoPreviewURL(html))
	want := "https://video-previews.elements.envatousercontent.com/ad0a3abc-7eb0-4075-8f68-8198f9a08777/watermarked_preview/watermarked_preview.mp4"
	if got != want {
		t.Fatalf("expected %q, got %q", want, got)
	}
}

func TestDeriveEnvatoPreviewFromThumbnail(t *testing.T) {
	thumb := "https://elements-resized.envatousercontent.com/elements-video-cover-images/ad0a3abc-7eb0-4075-8f68-8198f9a08777/video_preview/video_preview_0000.jpg?w=1200&amp;h=630"
	got := deriveEnvatoPreviewFromThumbnail(thumb)
	want := "https://elements-resized.envatousercontent.com/elements-video-cover-images/ad0a3abc-7eb0-4075-8f68-8198f9a08777/watermarked_preview/watermarked_preview.mp4"
	if got != want {
		t.Fatalf("expected %q, got %q", want, got)
	}
}

func TestIsUsefulGoogleVideoResultRejectsMusicResults(t *testing.T) {
	result := SearchResult{
		Title:   "Couple Friendly Sad Bgm Movie Best Bgm",
		Link:    "https://www.youtube.com/watch?v=LGP4wiXSw8c",
		Snippet: "romantic bgm soundtrack",
	}
	if isUsefulGoogleVideoResult(result) {
		t.Fatal("expected bgm/music result to be rejected")
	}
}

func TestExtractVideoObjectJSONLD(t *testing.T) {
	html := `<script type="application/ld+json">{"@context":"https://schema.org","@type":"VideoObject","name":"Smiling Man and Woman Waving at Camera","description":"Close up shot of a smiling couple waving.","thumbnailUrl":"https://elements-resized.envatousercontent.com/example/video_preview/video_preview_0001.jpg","contentUrl":"https://video-previews.elements.envatousercontent.com/example/watermarked_preview/watermarked_preview.mp4"}</script>`
	meta := extractVideoObjectJSONLD(html)
	if meta.Name != "Smiling Man and Woman Waving at Camera" {
		t.Fatalf("unexpected name: %#v", meta)
	}
	if meta.ContentURL == "" || meta.ThumbnailURL == "" || meta.Description == "" {
		t.Fatalf("expected full video object metadata, got %#v", meta)
	}
}

func TestCleanArtgridTitle(t *testing.T) {
	got := cleanArtgridTitle("movie film moving slowly from a reel by Arthur Cauty | Royalty Free Stock Footage – Artgrid.io")
	want := "movie film moving slowly from a reel"
	if got != want {
		t.Fatalf("expected %q, got %q", want, got)
	}
}