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import AsyncStorage from '@react-native-community/async-storage';
import React, {createContext, useEffect, useState} from 'react';
import {
GET_FB_POSTS_ENDPOINT,
GET_IG_POSTS_ENDPOINT,
GET_TWITTER_POSTS_ENDPOINT,
} from '../../constants';
import {
loadAvatar,
loadCover,
loadProfileInfo,
loadRecentlySearchedUsers,
loadSocialPosts,
} from '../../services';
import {
ProfilePreviewType,
ProfileType,
SocialAccountType,
UserType,
} from '../../types';
interface AuthContextProps {
user: UserType;
profile: ProfileType;
login: (userId: string, username: string) => void;
logout: () => void;
avatar: string | null;
cover: string | null;
socialAccounts: Record<string, SocialAccountType>;
recentSearches: Array<ProfilePreviewType>;
newMomentsAvailable: boolean;
updateMoments: (value: boolean) => void;
}
const NO_USER: UserType = {
userId: '',
username: '',
};
const NO_PROFILE: ProfileType = {
biography: '',
website: '',
name: '',
};
// Not necessary, but safer, in case SocialAccountType object is undefined
const NO_SOCIAL_ACCOUNTS: Record<string, SocialAccountType> = {
Instagram: {},
Facebook: {},
Twitter: {},
};
export const AuthContext = createContext<AuthContextProps>({
user: NO_USER,
profile: NO_PROFILE,
login: () => {},
logout: () => {},
avatar: null,
cover: null,
socialAccounts: NO_SOCIAL_ACCOUNTS,
recentSearches: [],
newMomentsAvailable: true,
updateMoments: () => {},
});
/**
* Authentication provider for the application.
*/
const AuthProvider: React.FC = ({children}) => {
const [user, setUser] = useState<UserType>(NO_USER);
const [profile, setProfile] = useState<ProfileType>(NO_PROFILE);
const [avatar, setAvatar] = useState<string | null>(null);
const [cover, setCover] = useState<string | null>(null);
const [socialAccounts, setSocialAccounts] = useState<
Record<string, SocialAccountType>
>(NO_SOCIAL_ACCOUNTS);
const [recentSearches, setRecentSearches] = useState<
Array<ProfilePreviewType>
>([]);
const [newMomentsAvailable, setNewMomentsAvailable] = useState<boolean>(true);
const {userId} = user;
useEffect(() => {
if (!userId) {
return;
}
const loadData = async () => {
try {
const token = await AsyncStorage.getItem('token');
if (!token) {
setUser(NO_USER);
return;
}
loadProfileInfo(token, userId, setProfile);
loadAvatar(token, userId, setAvatar);
loadCover(token, userId, setCover);
loadRecentlySearchedUsers(setRecentSearches);
loadSocialPosts(
token,
userId,
'Instagram',
GET_IG_POSTS_ENDPOINT,
socialAccounts,
).then((newSocialAccounts) => setSocialAccounts(newSocialAccounts));
loadSocialPosts(
token,
userId,
'Facebook',
GET_FB_POSTS_ENDPOINT,
socialAccounts,
).then((newSocialAccounts) => setSocialAccounts(newSocialAccounts));
loadSocialPosts(
token,
userId,
'Twitter',
GET_TWITTER_POSTS_ENDPOINT,
socialAccounts,
).then((newSocialAccounts) => setSocialAccounts(newSocialAccounts));
} catch (err) {
console.log(err);
}
};
loadData();
}, [socialAccounts, userId]);
return (
<AuthContext.Provider
value={{
user,
profile,
avatar,
cover,
newMomentsAvailable,
socialAccounts,
login: (id, username) => {
setUser({...user, userId: id, username});
},
logout: () => {
try {
new Promise(() => {
AsyncStorage.removeItem('token');
}).then(() => {
setUser(NO_USER);
});
} catch (err) {
console.log(err);
}
},
recentSearches,
updateMoments: (value) => {
setNewMomentsAvailable(value);
},
}}>
{children}
</AuthContext.Provider>
);
};
export default AuthProvider;
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