// Generated, do not edit. sha256:30f785c6890a03397971aad68496979bd9657deab8cb4a7a61fd0569a7cf87a8
import { randomUUID, createHash } from 'node:crypto';
import { readFileSync } from 'node:fs';
import { readFile, writeFile, mkdir } from 'node:fs/promises';
import { join, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';
import { readSecretsStore, writeSecretsStore } from './keys.mjs';
import { installDir } from './portfolios.mjs';
import { parseLicense, verifySignature } from './license.mjs';
import { recordIntegrationCall, countServiceCall } from './data/integration-log.js';
import { CONFIG } from '../shared/config.js';
import { AppError, fail } from '../shared/app-error.js';

const LEGACY_STORE_KEY = 'market_service';

const RETRY_LATER = new Set([
  'marketService.unreachable', 'marketService.timeout', 'marketService.unavailable',
  'marketService.monthUnreachable', 'marketService.tooManyRequests',
]);

export const isRetryLater = (e) => !!e && RETRY_LATER.has(e.key);

function normalizeUrl(input) {
  const url = String(input || '').trim().replace(/\/+$/, '');
  if (!/^https?:\/\/[^/\s]+/i.test(url)) {
    fail('marketService.urlScheme', null, 'The address of the service has to start with http:// or https://.');
  }
  return url;
}

const settingsFile = () => join(installDir(), CONFIG.MARKET_SERVICE.SETTINGS_FILE_NAME);

async function writeSettings(settings) {
  await mkdir(installDir(), { recursive: true });
  await writeFile(settingsFile(), `${JSON.stringify(settings, null, 2)}\n`, { mode: 0o600 });
}

async function readSettings() {
  let own = null;
  try { own = JSON.parse(await readFile(settingsFile(), 'utf8')); }
  catch (e) { if (e.code !== 'ENOENT') throw e; }
  const secrets = await readSecretsStore();
  const old = secrets[LEGACY_STORE_KEY];
  if (old) {
    if (!own) {
      own = old.token ? { token: old.token } : {};
      await writeSettings(own);
    }
    delete secrets[LEGACY_STORE_KEY];
    await writeSecretsStore(secrets);
  }
  return own ?? {};
}

function serviceUrl() {
  const override = process.env.ASSETAPP_SERVICE_URL;
  return override ? normalizeUrl(override) : CONFIG.MARKET_SERVICE.URL;
}

const FREE_LICENSE = join(dirname(fileURLToPath(import.meta.url)), CONFIG.LICENSE.FREE_FILE_NAME);

function registrationLicense() {
  for (const file of [join(installDir(), CONFIG.LICENSE.FILE_NAME), FREE_LICENSE]) {
    let text;
    try { text = readFileSync(file, 'utf8'); } catch { continue; }
    try { if (verifySignature(parseLicense(text))) return text; } catch { }
  }
  return null;
}

const hashOf = (text) => createHash('sha256').update(text, 'utf8').digest('hex');

export async function marketServiceStatus() {
  const cur = await readSettings();
  return {
    url: serviceUrl(),
    override: !!process.env.ASSETAPP_SERVICE_URL,
    token_set: !!cur.token,
    token_source: !cur.token ? null : cur.licenseHash ? 'license' : 'manual',
    tier: cur.tier ?? null,
    can_register: registrationLicense() !== null,
  };
}

const SUPPORT_REFUSALS = {
  'support.empty': 'marketService.supportEmpty',
  'support.tooLong': 'marketService.supportTooLong',
  'support.attachmentEmpty': 'marketService.supportAttachmentType',
  'support.attachmentType': 'marketService.supportAttachmentType',
  'support.attachmentTooLarge': 'marketService.supportAttachmentTooLarge',
  'support.tooMany': 'marketService.supportTooMany',
};
const SUPPORT_PARAMS = {
  'marketService.supportTooLong': { max: CONFIG.LICENSE.SUPPORT.MAX_TEXT },
  'marketService.supportAttachmentTooLarge': { mb: CONFIG.LICENSE.SUPPORT.MAX_ATTACHMENT_BYTES / 1024 / 1024 },
};

function serviceError(status, json, headers) {
  const key = json && typeof json.key === 'string' ? json.key : null;
  const reason = (json && typeof json.error === 'string' && json.error) || `HTTP ${status}`;
  if (status === 401 && key === 'api.badAuth') {
    return new AppError('marketService.signatureRefused', { reason }, `The service refuses the signature: ${reason}`);
  }
  if (status === 401) {
    return new AppError('marketService.unauthorized', null, 'The service refuses the token: it is missing, wrong or revoked.');
  }
  if (status === 503 && key === 'api.salesClosed') {
    return new AppError('marketService.salesClosed', null, 'Nothing is for sale right now.');
  }
  if (status === 503 && key === 'api.checkoutUnavailable') {
    return new AppError('marketService.checkoutUnavailable', null, 'The checkout of the service cannot make an invoice now; try again later.');
  }
  if (status === 429 && key === 'api.tooManyOrders') {
    return new AppError('marketService.tooManyOrders', { reason }, `The service takes no more orders for this key now: ${reason}`);
  }
  if (status === 403 && key === 'api.licenseRevoked') {
    return new AppError('marketService.licenseRevoked', null, 'The service has revoked this licence and gives it no token.');
  }
  if (status === 400 && key === 'api.badLicense') {
    return new AppError('marketService.badLicense', { reason }, `The service does not accept this licence: ${reason}`);
  }
  if (status === 404 && key === 'api.unknownOrder') {
    return new AppError('marketService.unknownOrder', null, 'The service does not know this order (any more).');
  }
  const support = SUPPORT_REFUSALS[key];
  if (support) return new AppError(support, SUPPORT_PARAMS[support] ?? null, `The service refuses the message: ${reason}`);
  if (status === 404 && key === 'api.unknownAttachment') {
    return new AppError('marketService.unknownAttachment', null, 'The service does not know this screenshot.');
  }
  if (status === 429) {
    const s = Number(headers?.get?.('retry-after')) || 60;
    return new AppError('marketService.tooManyRequests', { s }, `Too many requests to the service; try again in ${s}s.`);
  }
  if (status === 503 && key === 'api.monthUnreachable') {
    const month = (json && json.month) || '?';
    return new AppError('marketService.monthUnreachable', { month },
      `The service cannot read month ${month} right now; try again later.`);
  }
  if (status === 503) {
    return new AppError('marketService.unavailable', null, 'The service is not ready (it may be starting); try again later.');
  }
  return new AppError('marketService.rejected', { status, key: key || '-', reason },
    `The service refused the request (HTTP ${status}, ${key || 'no key'}): ${reason}`);
}

function describeBody(res, text) {
  const type = String(res.headers?.get?.('content-type') || 'no type').split(';')[0].trim();
  return `no JSON (${type}, ${Buffer.byteLength(text || '', 'utf8')} bytes)`;
}

const appJournal = {
  failure: (entry, secrets) => recordIntegrationCall(entry, { secrets }),
  count: (c) => countServiceCall(c),
};

const COUNTED = { '/v1/spot': 'spot', '/v1/series': 'daily_history' };

export function createMarketClient({
  fetch: doFetch = (...a) => globalThis.fetch(...a),
  config = readConfig,
  renewOn401 = false,
  timeoutMs = CONFIG.MARKET_SERVICE.REQUEST_TIMEOUT_MS,
  now = Date.now,
  journal = appJournal,
  requestId: newRequestId = randomUUID,
} = {}) {
  async function note(fn) {
    if (!journal) return;
    try { await fn(); } catch { }
  }

  const subjectOf = (params) => (Array.isArray(params?.instruments) ? String(params.instruments.length)
    : typeof params?.instrument === 'string' ? params.instrument : null);

  async function exchange(path, params = null, opts = {}) {
    try {
      return await exchangeOnce(path, params, opts, false);
    } catch (e) {
      const tokenCall = (opts.auth ?? true) && !opts.signature;
      if (!(renewOn401 && tokenCall && e?.key === 'marketService.unauthorized')) throw e;
      return exchangeOnce(path, params, opts, true);
    }
  }

  async function exchangeOnce(path, params, { auth = true, signature = null, rawBody = null } = {}, renew) {
    if (signature) auth = false;
    const cfg = await config({ needToken: auth, renew });
    const id = newRequestId();
    const entry = { target: 'service', operation: path, subject: subjectOf(params), requestId: id, occurredAt: now() };
    if (auth && !cfg.token) {
      await note(() => journal.failure({ ...entry, outcome: 'refused', errorKey: 'marketService.noToken', requestId: null }, []));
      fail('marketService.noToken', null, 'No token set for the market data service.');
    }
    const u = new URL(cfg.url + path);
    const body = Object.fromEntries(Object.entries(params || {}).filter(([, v]) => v !== null && v !== undefined));
    const ctl = new AbortController();
    const timer = setTimeout(() => ctl.abort(), timeoutMs);
    const t0 = performance.now();
    let status = null;
    let detail = null;
    try {
      let res;
      try {
        res = await doFetch(u.toString(), auth
          ? {
            method: 'POST',
            headers: {
              Authorization: `Bearer ${cfg.token}`, Accept: 'application/json', 'Content-Type': 'application/json',
              'X-Request-Id': id,
            },
            body: JSON.stringify(body),
            signal: ctl.signal,
          }
          : {
            method: rawBody !== null ? 'POST' : 'GET',
            headers: {
              Accept: 'application/json', 'X-Request-Id': id,
              ...(signature ? { Authorization: signature } : {}),
              ...(rawBody !== null ? { 'Content-Type': 'application/json' } : {}),
            },
            ...(rawBody !== null ? { body: rawBody } : {}),
            signal: ctl.signal,
          });
      } catch (e) {
        if (ctl.signal.aborted) {
          const s = timeoutMs / 1000;
          throw new AppError('marketService.timeout', { s }, `The service did not answer within ${s}s.`);
        }
        const reason = e?.cause?.code || e?.cause?.message || e?.message || String(e);
        detail = reason;
        throw new AppError('marketService.unreachable', { url: cfg.url, reason },
          `The service at ${cfg.url} is unreachable: ${reason}.`);
      }
      status = res.status;
      const text = await res.text().catch(() => '');
      let json = null;
      try { json = JSON.parse(text); } catch { detail = describeBody(res, text); }
      const back = res.headers?.get?.('x-request-id');
      if (back && back !== id) detail = [detail, `service request id ${back}`].filter(Boolean).join('; ');
      if (!res.ok) {
        if (json && typeof json.error === 'string') detail = [json.error, detail].filter(Boolean).join('; ');
        throw serviceError(res.status, json, res.headers);
      }
      if (!json || typeof json !== 'object') {
        detail ??= 'not an object';
        fail('marketService.badAnswer', { url: cfg.url }, `The answer from ${cfg.url} is not the API of the service.`);
      }
      if (COUNTED[path]) await note(() => journal.count({ capability: COUNTED[path], ok: true, latencyMs: performance.now() - t0 }));
      return { json, requestId: id };
    } catch (e) {
      e.requestId ??= id;
      const latencyMs = performance.now() - t0;
      const serviceKey = e?.params?.key && e.params.key !== '-' ? ` ${e.params.key}` : '';
      await note(() => journal.failure({
        ...entry, outcome: 'fail', httpStatus: status, errorKey: `${e?.key || 'unknown'}${serviceKey}`,
        detail: detail ?? e?.params?.reason ?? null, latencyMs,
      }, [cfg.token, signature].filter(Boolean)));
      if (COUNTED[path]) await note(() => journal.count({ capability: COUNTED[path], ok: false, latencyMs }));
      throw e;
    } finally {
      clearTimeout(timer);
    }
  }

  const request = async (...a) => (await exchange(...a)).json;

  const noteEmpty = (path, params, requestId) => note(() => journal.failure({
    target: 'service', operation: path, subject: subjectOf(params), outcome: 'empty', httpStatus: 200,
    requestId, occurredAt: now(),
  }, []));

  async function instruments() {
    const json = await request('/v1/instruments');
    if (!Array.isArray(json.instruments)) {
      fail('marketService.badAnswer', { url: (await config()).url }, 'The register in the answer is not a list.');
    }
    return json.instruments;
  }

  async function testConnection() {
    const { url } = await config();
    const health = await request('/v1/health', null, { auth: false });
    if (health.ok !== true || health.app !== CONFIG.MARKET_SERVICE.APP_NAME) {
      fail('marketService.badAnswer', { url }, `The answer from ${url} is not the API of the service.`);
    }
    const list = await instruments();
    return { url, app: health.app, version: health.version || null, instruments: list.length };
  }

  let cached = null;
  async function register() {
    const { url } = await config();
    if (cached && cached.url === url && now() - cached.at < CONFIG.MARKET_SERVICE.REGISTER_TTL_MS) return cached.list;
    const list = await instruments();
    cached = { url, at: now(), list };
    return list;
  }

  async function series({ instrument, quote, resolution = 'minute', from, to }) {
    const points = [];
    let meta = null;
    let cursor = from;
    let rid = null;
    for (let page = 0; page < CONFIG.MARKET_SERVICE.MAX_SERIES_PAGES; page++) {
      const { json, requestId } = await exchange('/v1/series', { instrument, quote, resolution, from: cursor, to });
      rid = requestId;
      const cols = Array.isArray(json.columns) ? json.columns : [];
      const ti = cols.indexOf('t');
      const pi = cols.includes('price') ? cols.indexOf('price') : cols.indexOf('close');
      const si = cols.indexOf('source');
      if (ti < 0 || pi < 0 || !Array.isArray(json.rows) || typeof json.currency !== 'string' || !json.currency) {
        fail('marketService.badAnswer', { url: (await config()).url }, 'The series in the answer has no time, price or currency.');
      }
      if (meta && json.currency !== meta.currency) {
        fail('marketService.badAnswer', { url: (await config()).url }, 'The currency changed between two pages of one series.');
      }
      meta ??= { instrument, currency: json.currency, source: json.source || null, sourceLabel: json.sourceLabel || null,
        resolution: json.resolution || resolution, sourceLabels: {} };
      if (json.sourceLabels && typeof json.sourceLabels === 'object') {
        for (const [key, label] of Object.entries(json.sourceLabels)) if (typeof label === 'string' && label) meta.sourceLabels[key] = label;
      }
      for (const r of json.rows) {
        const t = Number(r?.[ti]);
        const p = Number(r?.[pi]);
        if (!(Number.isFinite(t) && t > 0 && Number.isFinite(p) && p > 0)) continue;
        const src = si >= 0 && typeof r[si] === 'string' && r[si] ? r[si] : null;
        points.push(src ? [t, p, src] : [t, p]);
      }
      if (json.next == null || !(Number(json.next) > cursor)) break;
      cursor = Number(json.next);
    }
    if (!points.length) await noteEmpty('/v1/series', { instrument }, rid);
    return { ...meta, points };
  }

  async function history({ instrument, quote, from, to }) {
    const points = [];
    let meta = null;
    let cursor = from;
    let rid = null;
    for (let page = 0; page < CONFIG.MARKET_SERVICE.MAX_SERIES_PAGES; page++) {
      const { json, requestId } = await exchange('/v1/series', { instrument, quote, kind: 'history', from: cursor, to });
      rid = requestId;
      const cols = Array.isArray(json.columns) ? json.columns : [];
      const [ti, pi, ri, si] = ['t', 'price', 'resolution', 'source'].map(c => cols.indexOf(c));
      if (ti < 0 || pi < 0 || ri < 0 || !Array.isArray(json.rows) || typeof json.currency !== 'string' || !json.currency) {
        fail('marketService.badAnswer', { url: (await config()).url }, 'The history in the answer has no time, price, resolution or currency.');
      }
      if (meta && json.currency !== meta.currency) {
        fail('marketService.badAnswer', { url: (await config()).url }, 'The currency changed between two pages of one series.');
      }
      meta ??= { instrument, currency: json.currency, source: json.source || null, sourceLabels: {} };
      if (json.sourceLabels && typeof json.sourceLabels === 'object') {
        for (const [key, label] of Object.entries(json.sourceLabels)) if (typeof label === 'string' && label) meta.sourceLabels[key] = label;
      }
      for (const r of json.rows) {
        const t = Number(r?.[ti]);
        const p = Number(r?.[pi]);
        if (!(Number.isFinite(t) && t > 0 && Number.isFinite(p) && p > 0)) continue;
        const src = si >= 0 && typeof r[si] === 'string' && r[si] ? r[si] : null;
        points.push(src ? [t, p, r[ri], src] : [t, p, r[ri]]);
      }
      if (json.next == null || !(Number(json.next) > cursor)) break;
      cursor = Number(json.next);
    }
    if (!points.length) await noteEmpty('/v1/series', { instrument }, rid);
    return { ...meta, points };
  }

  let spotCache = null;
  async function spots(keys, quote) {
    const { url } = await config();
    const pakket = [...new Set(keys)].sort();
    const sleutel = `${url}|${quote}|${pakket.join(',')}`;
    if (spotCache && spotCache.sleutel === sleutel && now() - spotCache.at < CONFIG.MARKET_SERVICE.SPOT_TTL_MS) {
      return spotCache.result;
    }
    const result = { spot: [], missing: [], unreachable: [] };
    const max = CONFIG.MARKET_SERVICE.MAX_INSTRUMENTS_PER_SPOT;
    let rid = null;
    for (let i = 0; i < pakket.length; i += max) {
      const { json, requestId } = await exchange('/v1/spot', { instruments: pakket.slice(i, i + max), quote });
      rid = requestId;
      if (!Array.isArray(json.spot)) {
        fail('marketService.badAnswer', { url }, 'The spot answer has no list of prices.');
      }
      for (const s of json.spot) {
        const price = Number(s?.price);
        if (typeof s?.instrument !== 'string' || !Number.isFinite(price) || price <= 0 || typeof s.currency !== 'string' || !s.currency) continue;
        result.spot.push({
          instrument: s.instrument, price, currency: s.currency,
          observedAt: Number(s.observedAt) || null, source: s.source || null, sourceLabel: s.sourceLabel || null,
        });
      }
      if (Array.isArray(json.missing)) result.missing.push(...json.missing);
      if (Array.isArray(json.unreachable)) result.unreachable.push(...json.unreachable);
    }
    if (pakket.length && !result.spot.length) await noteEmpty('/v1/spot', { instruments: pakket }, rid);
    spotCache = { sleutel, at: now(), result };
    return result;
  }

  async function buyerLicenses(signature) {
    const json = await request('/v1/license', null, { signature });
    if (!Array.isArray(json.licenses)) {
      fail('marketService.badAnswer', { url: (await config()).url }, 'The licences in the answer are not a list.');
    }
    return json.licenses;
  }

  async function sale() {
    const json = await request('/v1/sale', null, { auth: false });
    if (typeof json.open !== 'boolean') fail('marketService.badAnswer', { url: (await config()).url }, 'The sale in the answer has no open state.');
    return { open: json.open, priceSat: Number.isInteger(json.priceSat) ? json.priceSat : null, major: json.major ?? null };
  }

  async function placeOrder(signature, rawBody) {
    const json = await request('/v1/orders', null, { signature, rawBody });
    if (!json.order || typeof json.order.id !== 'string') fail('marketService.badAnswer', { url: (await config()).url }, 'The answer holds no order.');
    return { order: json.order, readKey: typeof json.readKey === 'string' ? json.readKey : null };
  }

  async function orderStatus(orderId, readKey) {
    const json = await request(`/v1/orders/${orderId}`, null, { signature: `Order ${readKey}` });
    if (!json.order) fail('marketService.badAnswer', { url: (await config()).url }, 'The answer holds no order.');
    return { order: json.order, license: json.license ?? null };
  }

  async function supportMessages(signature) {
    const json = await request('/v1/support/messages', null, { signature });
    if (!Array.isArray(json.messages)) fail('marketService.badAnswer', { url: (await config()).url }, 'The messages in the answer are not a list.');
    return json.messages;
  }

  async function supportSend(signature, rawBody) {
    const json = await request('/v1/support/messages', null, { signature, rawBody });
    if (!json.message || typeof json.message !== 'object') fail('marketService.badAnswer', { url: (await config()).url }, 'The answer holds no message.');
    return json.message;
  }

  async function supportAttachment(signature, id) {
    const json = await request(`/v1/support/attachments/${id}`, null, { signature });
    if (typeof json.mime !== 'string' || typeof json.data !== 'string') {
      fail('marketService.badAnswer', { url: (await config()).url }, 'The answer holds no screenshot.');
    }
    return { mime: json.mime, data: json.data };
  }

  async function registerLicense(text) {
    const json = await request('/v1/license/register', null, { auth: false, rawBody: text });
    if (typeof json.token !== 'string' || !json.token) fail('marketService.badAnswer', { url: (await config()).url }, 'The answer holds no token.');
    return { token: json.token, tier: typeof json.tier === 'string' ? json.tier : null };
  }

  return {
    instruments, register, series, history, spots, testConnection, buyerLicenses, sale, placeOrder, orderStatus,
    supportMessages, supportSend, supportAttachment, registerLicense,
  };
}

let registering = null;
async function tokenFor({ renew = false } = {}) {
  const cur = await readSettings();
  const license = registrationLicense();
  const hash = license ? hashOf(license) : null;
  if (cur.token && !renew && (!cur.licenseHash || !license || cur.licenseHash === hash)) return cur.token;
  if (!license) return renew ? '' : (cur.token || '');
  registering ??= (async () => {
    try {
      const { token, tier } = await appClient.registerLicense(license);
      await writeSettings({ token, tier, licenseHash: hash });
      return token;
    } finally {
      registering = null;
    }
  })();
  return registering;
}

async function readConfig({ needToken = false, renew = false } = {}) {
  return { url: serviceUrl(), token: needToken ? await tokenFor({ renew }) : '' };
}

const appClient = createMarketClient({ renewOn401: true });

export const testMarketService = () => appClient.testConnection();
export const marketRegister = () => appClient.register();
export const marketSeries = (opts) => appClient.series(opts);
export const marketHistory = (opts) => appClient.history(opts);
export const marketSpots = (keys, quote) => appClient.spots(keys, quote);
export const marketBuyerLicenses = (signature) => appClient.buyerLicenses(signature);
export const marketSale = () => appClient.sale();
export const marketPlaceOrder = (signature, rawBody) => appClient.placeOrder(signature, rawBody);
export const marketOrderStatus = (orderId, readKey) => appClient.orderStatus(orderId, readKey);
export const marketSupportMessages = (signature) => appClient.supportMessages(signature);
export const marketSupportSend = (signature, rawBody) => appClient.supportSend(signature, rawBody);
export const marketSupportAttachment = (signature, id) => appClient.supportAttachment(signature, id);

export const marketServiceUrl = async () => (await readConfig()).url;

export const marketConfigured = async () => {
  const st = await marketServiceStatus();
  return st.token_set || st.can_register;
};