/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import path from 'node:path';
import { promises as fsp, readFileSync } from 'node:fs';
import * as os from 'os';
import { QWEN_DIR, GOOGLE_ACCOUNTS_FILENAME } from './paths.js';
function getGoogleAccountsCachePath() {
    return path.join(os.homedir(), QWEN_DIR, GOOGLE_ACCOUNTS_FILENAME);
}
/**
 * Parses and validates the string content of an accounts file.
 * @param content The raw string content from the file.
 * @returns A valid UserAccounts object.
 */
function parseAndValidateAccounts(content) {
    const defaultState = { active: null, old: [] };
    if (!content.trim()) {
        return defaultState;
    }
    const parsed = JSON.parse(content);
    // Inlined validation logic
    if (typeof parsed !== 'object' || parsed === null) {
        console.log('Invalid accounts file schema, starting fresh.');
        return defaultState;
    }
    const { active, old } = parsed;
    const isValid = (active === undefined || active === null || typeof active === 'string') &&
        (old === undefined ||
            (Array.isArray(old) && old.every((i) => typeof i === 'string')));
    if (!isValid) {
        console.log('Invalid accounts file schema, starting fresh.');
        return defaultState;
    }
    return {
        active: parsed.active ?? null,
        old: parsed.old ?? [],
    };
}
function readAccountsSync(filePath) {
    const defaultState = { active: null, old: [] };
    try {
        const content = readFileSync(filePath, 'utf-8');
        return parseAndValidateAccounts(content);
    }
    catch (error) {
        if (error instanceof Error && 'code' in error && error.code === 'ENOENT') {
            return defaultState;
        }
        console.log('Error during sync read of accounts, starting fresh.', error);
        return defaultState;
    }
}
async function readAccounts(filePath) {
    const defaultState = { active: null, old: [] };
    try {
        const content = await fsp.readFile(filePath, 'utf-8');
        return parseAndValidateAccounts(content);
    }
    catch (error) {
        if (error instanceof Error && 'code' in error && error.code === 'ENOENT') {
            return defaultState;
        }
        console.log('Could not parse accounts file, starting fresh.', error);
        return defaultState;
    }
}
export async function cacheGoogleAccount(email) {
    const filePath = getGoogleAccountsCachePath();
    await fsp.mkdir(path.dirname(filePath), { recursive: true });
    const accounts = await readAccounts(filePath);
    if (accounts.active && accounts.active !== email) {
        if (!accounts.old.includes(accounts.active)) {
            accounts.old.push(accounts.active);
        }
    }
    // If the new email was in the old list, remove it
    accounts.old = accounts.old.filter((oldEmail) => oldEmail !== email);
    accounts.active = email;
    await fsp.writeFile(filePath, JSON.stringify(accounts, null, 2), 'utf-8');
}
export function getCachedGoogleAccount() {
    const filePath = getGoogleAccountsCachePath();
    const accounts = readAccountsSync(filePath);
    return accounts.active;
}
export function getLifetimeGoogleAccounts() {
    const filePath = getGoogleAccountsCachePath();
    const accounts = readAccountsSync(filePath);
    const allAccounts = new Set(accounts.old);
    if (accounts.active) {
        allAccounts.add(accounts.active);
    }
    return allAccounts.size;
}
export async function clearCachedGoogleAccount() {
    const filePath = getGoogleAccountsCachePath();
    const accounts = await readAccounts(filePath);
    if (accounts.active) {
        if (!accounts.old.includes(accounts.active)) {
            accounts.old.push(accounts.active);
        }
        accounts.active = null;
    }
    await fsp.writeFile(filePath, JSON.stringify(accounts, null, 2), 'utf-8');
}
//# sourceMappingURL=user_account.js.map