package templtest

import (
	"testing"

	"git.buddy.wtf/lib/tmpl"
	"github.com/google/go-cmp/cmp"
	"github.com/stretchr/testify/assert"
)

func TestList(t *testing.T) {
	type testcase struct {
		Name string
		tmpl.Templates
		Expected []string
		Err      error
	}

	tt := []testcase{
		{
			Name:      "list all files on empty config ",
			Templates: tmpl.Templates{FS: data},
			Expected: []string{
				"data/broken.invalid",
				"data/broken.template",
				"data/first/1/bar.txt.tmpl",
				"data/first/1/foo.txt.tmpl",
				"data/first/2/item.txt.tmpl",
				"data/first/2/list.txt.tmpl",
				"data/first/index.txt.tmpl",
				"data/first/static.txt",
				"data/index.html.tmpl",
				"data/index.txt.tmpl",
				"data/second/1/list.html.tmpl",
				"data/second/1/single.html.tmpl",
				"data/second/index.html.tmpl",
				"data/second/static.txt",
			},
		},

		{
			Name: "only list templates with matching suffix with suffix not in name",
			Templates: tmpl.Templates{
				FS:     data,
				Root:   "data",
				Suffix: "tmpl",
			},
			Expected: []string{
				"first/1/bar.txt",
				"first/1/foo.txt",
				"first/2/item.txt",
				"first/2/list.txt",
				"first/index.txt",
				"index.html",
				"index.txt",
				"second/1/list.html",
				"second/1/single.html",
				"second/index.html",
			},
		},
	}

	for _, tc := range tt {
		tc := tc
		t.Run(tc.Name, func(t *testing.T) {
			t.Parallel()
			a := assert.New(t)
			actual, err := tc.Templates.List()
			errorIs(a, err, tc.Err)
			a.Empty(cmp.Diff(tc.Expected, actual))
		})
	}
}