package storage

import (
	"os"
	"testing"

	"github.com/spf13/afero"
	"github.com/stretchr/testify/assert"
)

func TestFileSystemStorageProvider(t *testing.T) {
	dummyData := []byte{0x13, 0x37}

	t.Run("storeRaw method stores files in filesystem", func(t *testing.T) {
		fileSystem := afero.NewMemMapFs()

		provider := FileSystemStorageProvider{
			fileSystem: fileSystem,
			basePath:   "/tmp/foo/bar",
		}

		finalPath, err := provider.StoreRaw("test", "test.bin", dummyData)
		assert.Nil(t, err)
		assert.Equal(t, "/tmp/foo/bar/test/test.bin", finalPath)

		exists, _ := afero.Exists(fileSystem, "/tmp/foo/bar/test/test.bin")
		assert.True(t, exists)

		content, _ := afero.ReadFile(fileSystem, "/tmp/foo/bar/test/test.bin")
		assert.Equal(t, dummyData, content)
	})

	t.Run("storeExisting method stores files in filesystem", func(t *testing.T) {
		fileSystem := afero.NewMemMapFs()

		err := os.WriteFile("/tmp/existing.bin", dummyData, os.ModePerm)
		assert.Nil(t, err)

		provider := FileSystemStorageProvider{
			fileSystem: fileSystem,
			basePath:   "/tmp/foo/bar",
		}

		finalPath, err := provider.StoreExisting("test", "test.bin", "/tmp/existing.bin")
		assert.Nil(t, err)
		assert.Equal(t, "/tmp/foo/bar/test/test.bin", finalPath)

		exists, _ := afero.Exists(fileSystem, "/tmp/foo/bar/test/test.bin")
		assert.True(t, exists)

		content, _ := afero.ReadFile(fileSystem, "/tmp/foo/bar/test/test.bin")
		assert.Equal(t, dummyData, content)
	})

	t.Run("getPath method returns correct path", func(t *testing.T) {
		fileSystem := afero.NewMemMapFs()

		provider := FileSystemStorageProvider{
			fileSystem: fileSystem,
			basePath:   "/tmp/foo/bar",
		}

		_, err := provider.StoreRaw("test", "test.bin", dummyData)
		assert.Nil(t, err)

		assert.Equal(t, "files/tmp/foo/bar/test/test.bin", provider.GetPath("test", "test.bin"))
	})
}