package server

import (
	"testing"

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

const (
	mockAccountID      = "accountID"
	mockUserID         = "userID"
	mockTargetUserId   = "targetUserID"
	mockTokenID1       = "tokenID1"
	mockToken1         = "SoMeHaShEdToKeN1"
	mockTokenID2       = "tokenID2"
	mockToken2         = "SoMeHaShEdToKeN2"
	mockTokenName      = "tokenName"
	mockEmptyTokenName = ""
	mockExpiresIn      = 7
	mockWrongExpiresIn = 4506
)

func TestUser_CreatePAT_ForSameUser(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")

	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	pat, err := am.CreatePAT(mockAccountID, mockUserID, mockUserID, mockTokenName, mockExpiresIn)
	if err != nil {
		t.Fatalf("Error when adding PAT to user: %s", err)
	}

	fileStore := am.Store.(*FileStore)
	tokenID := fileStore.HashedPAT2TokenID[pat.HashedToken]

	if tokenID == "" {
		t.Fatal("GetTokenIDByHashedToken failed after adding PAT")
	}

	assert.Equal(t, pat.ID, tokenID)

	userID := fileStore.TokenID2UserID[tokenID]
	if userID == "" {
		t.Fatal("GetUserByTokenId failed after adding PAT")
	}
	assert.Equal(t, mockUserID, userID)
}

func TestUser_CreatePAT_ForDifferentUser(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")

	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	_, err = am.CreatePAT(mockAccountID, mockUserID, mockTargetUserId, mockTokenName, mockExpiresIn)
	assert.Errorf(t, err, "Creating PAT for different user should thorw error")
}

func TestUser_CreatePAT_WithWrongExpiration(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")

	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	_, err = am.CreatePAT(mockAccountID, mockUserID, mockUserID, mockTokenName, mockWrongExpiresIn)
	assert.Errorf(t, err, "Wrong expiration should thorw error")
}

func TestUser_CreatePAT_WithEmptyName(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")

	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	_, err = am.CreatePAT(mockAccountID, mockUserID, mockUserID, mockEmptyTokenName, mockExpiresIn)
	assert.Errorf(t, err, "Wrong expiration should thorw error")
}

func TestUser_DeletePAT(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")
	account.Users[mockUserID] = &User{
		Id: mockUserID,
		PATs: map[string]*PersonalAccessToken{
			mockTokenID1: {
				ID:          mockTokenID1,
				HashedToken: mockToken1,
			},
		},
	}
	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	err = am.DeletePAT(mockAccountID, mockUserID, mockUserID, mockTokenID1)
	if err != nil {
		t.Fatalf("Error when adding PAT to user: %s", err)
	}

	assert.Nil(t, store.Accounts[mockAccountID].Users[mockUserID].PATs[mockTokenID1])
	assert.Empty(t, store.HashedPAT2TokenID[mockToken1])
	assert.Empty(t, store.TokenID2UserID[mockTokenID1])
}

func TestUser_GetPAT(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")
	account.Users[mockUserID] = &User{
		Id: mockUserID,
		PATs: map[string]*PersonalAccessToken{
			mockTokenID1: {
				ID:          mockTokenID1,
				HashedToken: mockToken1,
			},
		},
	}
	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	pat, err := am.GetPAT(mockAccountID, mockUserID, mockUserID, mockTokenID1)
	if err != nil {
		t.Fatalf("Error when adding PAT to user: %s", err)
	}

	assert.Equal(t, mockTokenID1, pat.ID)
	assert.Equal(t, mockToken1, pat.HashedToken)
}

func TestUser_GetAllPATs(t *testing.T) {
	store := newStore(t)
	account := newAccountWithId(mockAccountID, mockUserID, "")
	account.Users[mockUserID] = &User{
		Id: mockUserID,
		PATs: map[string]*PersonalAccessToken{
			mockTokenID1: {
				ID:          mockTokenID1,
				HashedToken: mockToken1,
			},
			mockTokenID2: {
				ID:          mockTokenID2,
				HashedToken: mockToken2,
			},
		},
	}
	err := store.SaveAccount(account)
	if err != nil {
		t.Fatalf("Error when saving account: %s", err)
	}

	am := DefaultAccountManager{
		Store: store,
	}

	pats, err := am.GetAllPATs(mockAccountID, mockUserID, mockUserID)
	if err != nil {
		t.Fatalf("Error when adding PAT to user: %s", err)
	}

	assert.Equal(t, 2, len(pats))
}