package frontmatter

import "testing"

func TestSplitFull(t *testing.T) {
	meta, body, err := Split("---\ntitle: Q3 Brief\nsubtitle: Ops\nclassification: INTERNAL\ntemplate: brief\nauthor: A B\ndate: 2026-08-29\nextra: kept\n---\n\n# Body\n")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if meta.Title != "Q3 Brief" || meta.Subtitle != "Ops" || meta.Classification != "INTERNAL" ||
		meta.Template != "brief" || meta.Author != "A B" || meta.Date != "2026-08-29" {
		t.Fatalf("meta: %+v", meta)
	}
	if meta.Extra["extra"] != "kept" {
		t.Fatalf("extra keys dropped: %+v", meta.Extra)
	}
	if body != "# Body\n" {
		t.Fatalf("body: %q", body)
	}
}

func TestSplitQuoted(t *testing.T) {
	meta, _, err := Split("---\ntitle: \"The: Quoted Title\"\n---\nx")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if meta.Title != "The: Quoted Title" {
		t.Fatalf("title: %q", meta.Title)
	}
}

func TestSplitNone(t *testing.T) {
	meta, body, err := Split("# Just markdown\n\nBody.")
	if err != nil || meta.Title != "" || body != "# Just markdown\n\nBody." {
		t.Fatalf("meta=%+v body=%q err=%v", meta, body, err)
	}
}

func TestSplitUnclosed(t *testing.T) {
	_, _, err := Split("---\ntitle: x\n")
	if err == nil {
		t.Fatal("want error for unclosed block")
	}
}

func TestSplitBadLine(t *testing.T) {
	_, _, err := Split("---\nnope\n---\n")
	if err == nil {
		t.Fatal("want error for non key: value line")
	}
}

func TestSplitCommentsBlank(t *testing.T) {
	_, body, err := Split("---\n# comment\n\ntitle: t\n---\nbody here")
	if err != nil || body != "body here" {
		t.Fatalf("body=%q err=%v", body, err)
	}
}