import QuillDB from "../_/quilldb.js"
import fs from 'fs/promises'
import path from 'path'

export default class Database extends QuillDB {
    tokens;

    constructor() {
        super()
        this.loadTokens()
    }

    async loadTokens() {
        const tokenData = await fs.readFile(path.join(process.cwd(), 'db/tokens.json'), 'utf8');
        let tokenJSON = JSON.parse(tokenData);
        this.tokens = tokenJSON
    }
    
    get = {
        user: (id) => {
            return this.nodes[id]
        },
        userByEmail: (email) => {
            for (const id of this.labels["User"]) {
                const user = this.get.user(id);
                if (user.email === email) {
                    return  { id, ...user }
                }
            }
            return null;
        },
        token: (id) => {
            return this.tokens[id]
        }
    }

    generateUserID() {
        let id = this.labels["User"].length + 1;
        while (this.get.user(`user-${id}`)) {
            id++;
        }
        return `user-${id}`; // O(1) most of the time
    }

    async getAll() {
        return { nodes: this.nodes }
    }
}