package wikilink_test

import (
	"testing"

	"code.ndumas.com/ndumas/wikilink-parser"
)

func _Test_Wikilink_Parsing(t *testing.T) {
	t.Parallel()

	tcs := []struct {
		name                  string
		in                    string
		link, alias, fragment string
	}{
		{name: "wikilink", in: "[[wikilink]]", link: "wikilink"},
		{name: "wikilink|display name", in: "[[wikilink|display name]]", link: "wikilink", alias: "display name"},
		{name: "wikilink|display name|second pipe", in: "[[wikilink|display name|second pipe]]", link: "wikilink", alias: "display name|second pipe"},
		{name: "wikilink with numeric alias|420|second pipe", in: "[[wikilink|420|second pipe]]", link: "wikilink with numeric aliases", alias: "420|second pipe"},
		{name: "wikilink with spaces in filename", in: "[[wikilink spaces]]", link: "wikilink spaces"},
		{name: "#heading", in: "[[#heading]]", link: "", fragment: "heading"},
		{name: "wikilink#heading", in: "[[wikilink#heading]]", link: "wikilink", fragment: "heading"},
		{name: "wikilink#heading|display name", in: "[[wikilink#heading|display name]]", link: "wikilink", alias: "display name", fragment: "heading"},
		{name: "wikilink#heading|display name|second pipe", in: "[[wikilink#heading|display name|second pipe]]", link: "wikilink", alias: "display name|second pipe", fragment: "heading"},
		{name: "wikilink with numeric aliases#heading|420|display name", in: "[[wikilink#heading|420|second pipe]]", link: "wikilink", alias: "420|second pipe", fragment: "heading"},
		{name: "^blockRef", in: "[[^blockRef]]", link: "", fragment: "blockRef"},
		{name: "wikilink^blockRef", in: "[[wikilink^blockRef]]", link: "wikilink", fragment: "blockRef"},
		{name: "wikilink^blockRef|display name", in: "[[wikilink#^blockRef|display name]]", link: "wikilink", alias: "display name", fragment: "blockRef"},
		{name: "wikilink^blockRef|display name|second pipe", in: "[[wikilink#^blockRef|display name|second pipe]]", link: "wikilink", alias: "display name|second pipe", fragment: "blockRef"},
		{name: "wikilink with numeric aliases^blockRef|420|second pipe", in: "[[wikilink#^blockRef|420|second pipe]]", link: "wikilink", alias: "420|second pipe", fragment: "blockRef"},
	}

	t.Run("link", func(t *testing.T) {
		for _, tc := range tcs {
			tc := tc
			t.Run(tc.name, func(t *testing.T) {
				t.Parallel()
				out := wikilink.Extract(tc.in)
				if out.Link != tc.link {
					t.Logf("got %#v\n", out)
					t.Fail()
				}
			})
		}
	})

	t.Run("alias", func(t *testing.T) {
		for _, tc := range tcs {
			tc := tc
			t.Run(tc.name, func(t *testing.T) {
				t.Parallel()
				out := wikilink.Extract(tc.in)
				if out.Alias != tc.alias {
					t.Logf("got %#v\n", out)
					t.Fail()
				}
			})
		}
	})

	t.Run("fragment", func(t *testing.T) {
		for _, tc := range tcs {
			tc := tc
			t.Run(tc.name, func(t *testing.T) {
				t.Parallel()
				out := wikilink.Extract(tc.in)
				if out.Fragment != tc.fragment {
					t.Logf("got %#v\n", out)
					t.Fail()
				}
			})
		}
	})
}