import {useState, useEffect} from 'react'
import {cleanToken, grabToken, grabTokenData, grabTokens, selectToken, storeToken} from "../functions/token";

export class Token {
    id!: string
    host!: string
    permissions!: string[]
}

export interface UseTokenInterface {
    token: Token|null
    tokens: Token[]
    switchToken(tokenId: string): void
    deleteToken(tokenId: string): void
    addToken(tokenId: string): boolean
}

export function useToken(): UseTokenInterface {
    const [token, setToken] = useState<Token|null>(null);
    const [tokens, setTokens] = useState<Token[]>([]);
    useEffect(() => {
        setToken(grabToken()?.payload)

        let tokens = grabTokens().map((tokenData) => tokenData.payload as Token)
        setTokens(tokens)

        return () => {

        }
    }, [])

    const switchToken = (tokenId: string) => {
        selectToken(tokenId)
        setToken(grabToken()?.payload)
    }

    const deleteToken = (tokenId: string) => {
        cleanToken(tokenId)
        setToken(grabToken()?.payload)
    }

    const addToken = (token: string): boolean => {
        if (!grabTokenData(token)) {
            return false;
        }

        storeToken(token)
        setToken(grabToken()?.payload)
        setTokens([
            ...tokens,
            grabToken()?.payload
        ])
        return true
    }

    return {token, tokens, switchToken, deleteToken, addToken}
}