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import React, {useEffect} from 'react';
import {createContext, useState} from 'react';
import {
UserType,
ProfileType,
InstagramPostType,
ProfilePreviewType,
} from '../../types';
import AsyncStorage from '@react-native-community/async-storage';
import {
loadProfileInfo,
loadAvatar,
loadCover,
loadInstaPosts,
loadRecentlySearchedUsers,
} from '../../services';
interface AuthContextProps {
user: UserType;
profile: ProfileType;
login: (userId: string, username: string) => void;
logout: () => void;
avatar: string | null;
cover: string | null;
instaPosts: Array<InstagramPostType>;
recentSearches: Array<ProfilePreviewType>;
newMomentsAvailable: boolean;
updateMoments: (value: boolean) => void;
}
const NO_USER: UserType = {
userId: '',
username: '',
};
const NO_PROFILE: ProfileType = {
biography: '',
website: '',
name: '',
};
export const AuthContext = createContext<AuthContextProps>({
user: NO_USER,
profile: NO_PROFILE,
login: () => {},
logout: () => {},
avatar: null,
cover: null,
instaPosts: [],
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 [instaPosts, setInstaPosts] = useState<Array<InstagramPostType>>([]);
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);
loadInstaPosts(token, userId, setInstaPosts);
loadRecentlySearchedUsers(setRecentSearches);
} catch (err) {
console.log(err);
}
};
loadData();
}, [userId]);
return (
<AuthContext.Provider
value={{
user,
profile,
avatar,
cover,
instaPosts,
newMomentsAvailable,
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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