/**
 * Config loader
 */ import * as fs from "node:fs";
import { fileURLToPath } from "node:url";
import { dirname } from "node:path";
import * as yaml from "js-yaml";
import path from "node:path";
import parseDuration from "parse-duration";
export default function load() {
    const _filename = fileURLToPath(import.meta.url);
    const _dirname = dirname(_filename);
    const dir = `${_dirname}/../../../..`;
    const { ICESHRIMP_CONFIG: configFile, ICESHRIMP_SECRETS: secretsFile, ICESHRIMP_MEDIA_DIR: mediaDir } = process.env;
    const configPath = process.env.NODE_ENV === "test" ? `${dir}/.config/test.yml` : configFile ?? `${dir}/.config/default.yml`;
    const meta = JSON.parse(fs.readFileSync(`${_dirname}/../../../../built/meta.json`, "utf-8"));
    const clientManifest = JSON.parse(fs.readFileSync(`${_dirname}/../../../../built/_client_dist_/manifest.json`, "utf-8"));
    let config = yaml.load(fs.readFileSync(configPath, "utf-8"));
    if (secretsFile !== undefined) config = Object.assign(config, yaml.load(fs.readFileSync(secretsFile, "utf-8")));
    const mixin = {};
    const url = tryCreateUrl(config.url);
    config.url = url.origin;
    config.port = config.port || parseInt(process.env.PORT || "", 10);
    config.listen = process.env.ICESHRIMP_LISTEN ?? config.listen ?? "0.0.0.0";
    if (config.tls != null) {
        config.tls = {
            keyPath: typeof config.tls.keyPath === "string" ? path.resolve(dir, config.tls.keyPath) : undefined,
            certPath: typeof config.tls.certPath === "string" ? path.resolve(dir, config.tls.certPath) : undefined
        };
    }
    config.images = {
        info: '/twemoji/1f440.svg',
        notFound: '/twemoji/2049.svg',
        error: '/twemoji/1f480.svg',
        ...config.images
    };
    config.htmlCache = {
        ttlSeconds: parseDuration(config.htmlCache?.ttl ?? '1h', 's'),
        prewarm: false,
        dbFallback: false,
        ...config.htmlCache
    };
    if (config.htmlCache.ttlSeconds == null) throw new Error('Failed to parse config.htmlCache.ttl');
    config.wordMuteCache = {
        ttlSeconds: parseDuration(config.wordMuteCache?.ttl ?? '24h', 's')
    };
    if (config.wordMuteCache.ttlSeconds == null) throw new Error('Failed to parse config.wordMuteCache.ttl');
    config.searchEngine = config.searchEngine ?? 'https://duckduckgo.com/?q=';
    config.metrics = config.metrics ?? {};
    config.metrics.enable = config.metrics?.enable ?? false;
    if (typeof config.shellAddress === "string") {
        config.shellAddress = path.isAbsolute(config.shellAddress) ? config.shellAddress : path.resolve(`../../${config.shellAddress}`);
    }
    mixin.version = meta.version;
    mixin.host = url.host;
    mixin.hostname = url.hostname;
    mixin.domain = config.accountDomain ?? url.host;
    mixin.scheme = url.protocol.replace(/:$/, "");
    mixin.wsScheme = mixin.scheme.replace("http", "ws");
    mixin.wsUrl = `${mixin.wsScheme}://${mixin.host}`;
    mixin.apiUrl = `${mixin.scheme}://${mixin.host}/api`;
    mixin.authUrl = `${mixin.scheme}://${mixin.host}/auth`;
    mixin.driveUrl = `${mixin.scheme}://${mixin.host}/files`;
    mixin.userAgent = `FrozenFriendsYume/${meta.version} (${config.url})`;
    mixin.clientEntry = clientManifest["src/init.ts"];
    mixin.mediaDir = mediaDir ?? `${dir}/files`;
    if (!config.redis.prefix) config.redis.prefix = mixin.hostname;
    return Object.assign(config, mixin);
}
function tryCreateUrl(url) {
    try {
        return new URL(url);
    } catch (e) {
        throw new Error(`url="${url}" is not a valid URL.`);
    }
}
