package categorize

import (
	"fmt"
	"testing"
	"testing/fstest"

	"github.com/stretchr/testify/assert"
)

func makeMapFSWithEmptyEntries(names ...string) fstest.MapFS {
	mapFS := make(fstest.MapFS, len(names))
	for _, name := range names {
		mapFS[name] = &fstest.MapFile{}
	}

	return mapFS
}

func makeTestCategorizer() Categorizer {
	testFS := makeMapFSWithEmptyEntries("The-Simpsons", "Seinfeld", "Westworld", "Barry")

	return newCategorizerForFS(testFS)
}

func TestCategorizesTVShowFiles(t *testing.T) {
	tt := []struct {
		fileName     string
		expectedPath string
	}{
		{
			"Westworld.S02.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTb",
			"Westworld/Season-2",
		},
		{
			"Barry.S01E01.Chapter.One.Make.Your.Mark.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTb.mkv",
			"Barry/Season-1",
		},
	}

	for _, test := range tt {
		testName := fmt.Sprintf("%s to %s", test.fileName, test.expectedPath)
		categorizer := makeTestCategorizer()
		t.Run(testName, func(t *testing.T) {
			outPath, err := categorizer.CategorizeFile(test.fileName)

			assert.Nil(t, err)
			assert.Equal(t, test.expectedPath, outPath)
		})
	}
}