import fs from "node:fs/promises";
import { v4 as uuidv4 } from "uuid";
import Debug from "debug";
const debug = Debug("lot-occupancy-system:functions.api");
const apiKeyPath = "data/apiKeys.json";
let apiKeys;
async function loadApiKeys() {
    try {
        const fileData = await fs.readFile(apiKeyPath, "utf8");
        apiKeys = JSON.parse(fileData);
    }
    catch (error) {
        debug(error);
        apiKeys = {};
    }
}
async function saveApiKeys() {
    try {
        await fs.writeFile(apiKeyPath, JSON.stringify(apiKeys), "utf8");
    }
    catch (error) {
        debug(error);
    }
}
function generateApiKey(apiKeyPrefix) {
    return apiKeyPrefix + "-" + uuidv4() + "-" + Date.now();
}
export async function regenerateApiKey(userName) {
    apiKeys[userName] = generateApiKey(userName);
    await saveApiKeys();
}
export async function getApiKey(userName) {
    if (!apiKeys) {
        await loadApiKeys();
    }
    if (!apiKeys[userName]) {
        await regenerateApiKey(userName);
    }
    return apiKeys[userName];
}
export async function getApiKeyFromSession(session) {
    return await getApiKey(session.user.userName);
}
export async function getUserNameFromApiKey(apiKey) {
    if (!apiKeys) {
        await loadApiKeys();
    }
    for (const [userName, currentApiKey] of Object.entries(apiKeys)) {
        if (apiKey === currentApiKey) {
            return userName;
        }
    }
}