package storage

import (
	"cwtch.im/cwtch/model"
	"encoding/json"
)

type profileStore struct {
	fs FileStore
}

// ProfileStore is an interface to managing the storage of Cwtch Profiles
type ProfileStore interface {
	Save(profile *model.Profile) error
	Load() (*model.Profile, error)
}

func NewProfileStore(filename string, password string) ProfileStore {
	return &profileStore{NewFileStore(filename, password)}
}

func (ps *profileStore) Save(profile *model.Profile) error {
	bytes, _ := json.Marshal(profile)
	return ps.fs.Save(bytes)
}

// Load instantiates a cwtchPeer from the file store
func (ps *profileStore) Load() (*model.Profile, error) {
	decrypted, err := ps.fs.Load()
	if err != nil {
		return nil, err
	}
	cp := new(model.Profile)
	err = json.Unmarshal(decrypted, &cp)
	if err == nil {
		return cp, nil
	}
	return nil, err
}