package furcadia

import (
	"errors"
	"testing"
)

func TestGetShortName(t *testing.T) {
	check := func(displayName, expectedShortname string) {
		short := GetShortName(displayName)
		if short != expectedShortname {
			t.Errorf("GetShortName('%v') -> '%v' (expected: '%v')", displayName, short, expectedShortname)
		}
	}

	check("ArTeX", "artex")
	check("Ice|Dragon", "icedragon")
	check("123_arte_X", "123artex")
	check("|~!@#$%^&*()_+<>[]{}:;'\",./?artex ", "artex")
}

func TestGetShortDreamURL(t *testing.T) {
	check := func(dreamURL, expectedShortURL string) {
		short, err := GetShortDreamURL(dreamURL)
		if err != nil {
			t.Errorf("GetShortDreamURL('%v') -> unexpected error %T (%v)", dreamURL, err, err)
		}
		if short != expectedShortURL {
			t.Errorf("GetShortDreamURL('%v') -> '%v' (expected: '%v')", dreamURL, short, expectedShortURL)
		}
	}

	check("furc://ice_dragon:some-dream-name/128", "icedragon:somedreamname")
	check("furc://artex", "artex")
	check("furc://artex:", "artex")
	check("furc://artex/128", "artex")
	check("furc://name:", "name")

	checkErr := func(dreamURL string, expectedErr error) {
		_, err := GetShortDreamURL(dreamURL)
		if !errors.Is(err, expectedErr) {
			t.Errorf("GetShortDreamURL('%v') -> unexpected error %T (%v)", dreamURL, err, err)
		}
	}

	checkErr("furc://", ErrInvalidDreamURL)
	checkErr("furc:///", ErrInvalidDreamURL)
	checkErr("furc://:", ErrInvalidDreamURL)
	checkErr("furc://:/", ErrInvalidDreamURL)
	checkErr("furc://:nouploader", ErrInvalidDreamURL)
	checkErr("furc://:nouploader/", ErrInvalidDreamURL)
	checkErr("furc://artex::", ErrInvalidDreamURL)
}

func TestGetShortDreamURLFromName(t *testing.T) {
	check := func(uploader, name, expected string) {
		short := GetShortDreamURLFromName(uploader, name)
		if short != expected {
			t.Errorf("GetShortDreamURLFromName('%v', '%v') -> '%v' (expected: '%v')", uploader, name, short, expected)
		}
	}

	check("Ice Dragon", "", "icedragon")
	check("Ice Dragon", "Some name here", "icedragon:somenamehere")
	check("icedragon", "some_name_here", "icedragon:somenamehere")
	check("", "Illegal but possible", ":illegalbutpossible")
}