package test

import (
	"time"
	"path"
	"os"
	//	"io"
	"github.com/spf13/afero"
	"caj-larsson/bog/domain"
)


type MockBogFile struct {
	filename string
	file afero.File
}

func (f MockBogFile) Path() string {
	return f.filename
}

func (f MockBogFile) Size() int64 {
	stat, _ := f.file.Stat()
	return int64(stat.Size())
}

func (f MockBogFile) Read(p []byte) (int, error) {
	return f.file.Read(p)
}

func (f MockBogFile) Write(p []byte) (int, error) {
	return f.file.Write(p)
}

func (f MockBogFile) Close() error {
	return f.file.Close()
}

func (f MockBogFile) Seek(offset int64, whence int) (int64, error) {
	return f.file.Seek(offset, whence)
}

func (f MockBogFile) Modified() time.Time {
	stat, _ := f.file.Stat()
	return stat.ModTime()
}

// The actual repository
type MockFileRepository struct {
	fs afero.Fs
}

func NewMockFileRepository() domain.FileDataRepository {
	return MockFileRepository { afero.NewMemMapFs() }
}

func (r MockFileRepository) Create(filename string, user_agent_label string) (domain.BogInFile, error) {
	abs_path := path.Join(  filename, user_agent_label)
	dir := path.Dir(abs_path)
	r.fs.MkdirAll(dir, 0750)
	file, err := r.fs.OpenFile(abs_path, os.O_RDWR|os.O_CREATE, 0644)

	if err != nil {
		panic(err)
	}

	bf := MockBogFile {filename, file}

	return bf, nil
}

func (r MockFileRepository) Open(filename string, user_agent_label string) (domain.BogOutFile, error) {
	abs_path := path.Join(filename, user_agent_label)

	dir := path.Dir(abs_path)
	r.fs.MkdirAll(dir, 0750)
	file, err := r.fs.OpenFile(abs_path, os.O_RDONLY, 0644)

	if err != nil {
		return nil, domain.ErrNotExists
	}

	bf := MockBogFile {filename, file}
	return bf, nil
}

func (r MockFileRepository) Delete(filename string, user_agent_label string) {
	abs_path := path.Join(filename, user_agent_label)
	r.fs.Remove(abs_path)
}