package gemtext

import "testing"

type PrefixCase struct {
	Prefix string
	Link string
	Want string
}

func TestAddPrefix(t *testing.T) {
	cases := []PrefixCase{
	PrefixCase{Prefix: "", Link: "/test/", Want: "/test"},
	PrefixCase{Prefix:"https:itwont.work/", Link: "/test/stuff.gmi", Want: "https:itwont.work/test/stuff.gmi"},
	PrefixCase{Prefix:"https:itwont.work/", Link: "test/stuff.gmi", Want: "test/stuff.gmi"},
	PrefixCase{Prefix:"", Link: "", Want: ""},
	PrefixCase{Prefix:"https:itwont.work/", Link: "", Want: ""},
	}
	for _, c := range cases {
		got := addPrefix(c.Prefix,c.Link)
		if got != c.Want {
			t.Errorf("Case %#v, Got %#v", c, got)
		}
		
	}
}

type LineRenderCase struct {
	In GemtextObject
	Want string
}

func TestRenderHeading(t *testing.T) {
	cases := []LineRenderCase{
		LineRenderCase{In: GemtextObject{Type: HEADING, Level: 1, Text: "Hello"}, Want:"# Hello"}, // I'm not adding a Literal to these cases.
		LineRenderCase{In: GemtextObject{Type: HEADING, Level: 2, Text: ""}, Want:"## "},
		LineRenderCase{In: GemtextObject{Type: HEADING, Level: 2, Text: "Hello"}, Want:"## Hello"},
		LineRenderCase{In: GemtextObject{Type: HEADING, Level: 3, Text: "This contains spaces"}, Want:"### This contains spaces"},


	}
	for _, c := range cases {
		got, _ := RenderHeading(c.In)
		if got != c.Want {
			t.Errorf("Case %#v, Got %#v", c, got)
		}
	}
}

func TestRenderHTML(t *testing.T) {
	out, _ := RenderHTML(&testdocumenttree)
	want := "<h1>Document</h1><p>This is paragraph text &amp; It exists</p><a href=\"https://example.com\">example.com</a><br /><ul><li>List Item 1</li><li>List Item 2</li></ul><pre>this should be preformatted.\n=&gt; https://example.com Not a link\n</pre><ul><li>A single list item</li></ul><pre>one line of pre\n</pre><pre></pre><blockquote>Something\n- someone\n</blockquote>"
	if out != want {
		t.Errorf("Got %#v want %#v", out, want)
	}
	
}