/*
 This file is part of GNU Taler
 (C) 2019 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
 * Imports.
 */
import {
  AccessToken,
  AmountString,
  Amounts,
  BalancesResponse,
  Configuration,
  Duration,
  HttpStatusCode,
  Logger,
  PaytoString,
  TalerAuthenticationHttpClient,
  TalerBankConversionHttpClient,
  TalerCoreBankHttpClient,
  TalerMerchantInstanceHttpClient,
  TalerMerchantManagementHttpClient,
  TransactionsResponse,
  createRFC8959AccessTokenEncoded,
  createRFC8959AccessTokenPlain,
  decodeCrock,
  encodeCrock,
  generateIban,
  j2s,
  randomBytes,
  rsaBlind,
  setGlobalLogLevelFromString,
  stringifyPayTemplateUri,
} from "@gnu-taler/taler-util";
import { clk } from "@gnu-taler/taler-util/clk";
import {
  HttpResponse,
  createPlatformHttpLib,
} from "@gnu-taler/taler-util/http";
import {
  CryptoDispatcher,
  SynchronousCryptoWorkerFactoryPlain,
  WalletApiOperation,
} from "@gnu-taler/taler-wallet-core";
import {
  downloadExchangeInfo,
  topupReserveWithBank,
} from "@gnu-taler/taler-wallet-core/dbless";
import { deepStrictEqual } from "assert";
import fs from "fs";
import os from "os";
import path from "path";
import { runBench1 } from "./bench1.js";
import { runBench2 } from "./bench2.js";
import { runBench3 } from "./bench3.js";
import { runEnvFull } from "./env-full.js";
import { runEnv1 } from "./env1.js";
import {
  GlobalTestState,
  WalletClient,
  delayMs,
  runTestWithState,
} from "./harness/harness.js";
import {
  createSimpleTestkudosEnvironmentV2,
  createWalletDaemonWithClient,
} from "./harness/helpers.js";
import { getTestInfo, runTests } from "./integrationtests/testrunner.js";
import { lintExchangeDeployment } from "./lint.js";

const logger = new Logger("taler-harness:index.ts");

process.on("unhandledRejection", (error: any) => {
  logger.error("unhandledRejection", error.message);
  logger.error("stack", error.stack);
  process.exit(2);
});

declare const __VERSION__: string;
declare const __GIT_HASH__: string;
function printVersion(): void {
  console.log(`${__VERSION__} ${__GIT_HASH__}`);
  process.exit(0);
}

export const testingCli = clk
  .program("testing", {
    help: "Command line interface for the GNU Taler test/deployment harness.",
  })
  .maybeOption("log", ["-L", "--log"], clk.STRING, {
    help: "configure log level (NONE, ..., TRACE)",
    onPresentHandler: (x) => {
      setGlobalLogLevelFromString(x);
    },
  })
  .flag("version", ["-v", "--version"], {
    onPresentHandler: printVersion,
  })
  .flag("verbose", ["-V", "--verbose"], {
    help: "Enable verbose output.",
  });

const advancedCli = testingCli.subcommand("advancedArgs", "advanced", {
  help: "Subcommands for advanced operations (only use if you know what you're doing!).",
});

advancedCli
  .subcommand("decode", "decode", {
    help: "Decode base32-crockford.",
  })
  .action((args) => {
    const enc = fs.readFileSync(0, "utf8");
    console.log(decodeCrock(enc.trim()));
  });

advancedCli
  .subcommand("bench1", "bench1", {
    help: "Run the 'bench1' benchmark",
  })
  .requiredOption("configJson", ["--config-json"], clk.STRING)
  .action(async (args) => {
    let config: any;
    try {
      config = JSON.parse(args.bench1.configJson);
    } catch (e) {
      console.log("Could not parse config JSON");
    }
    await runBench1(config);
  });

advancedCli
  .subcommand("bench2", "bench2", {
    help: "Run the 'bench2' benchmark",
  })
  .requiredOption("configJson", ["--config-json"], clk.STRING)
  .action(async (args) => {
    let config: any;
    try {
      config = JSON.parse(args.bench2.configJson);
    } catch (e) {
      console.log("Could not parse config JSON");
    }
    await runBench2(config);
  });

advancedCli
  .subcommand("bench3", "bench3", {
    help: "Run the 'bench3' benchmark",
  })
  .requiredOption("configJson", ["--config-json"], clk.STRING)
  .action(async (args) => {
    let config: any;
    try {
      config = JSON.parse(args.bench3.configJson);
    } catch (e) {
      console.log("Could not parse config JSON");
    }
    await runBench3(config);
  });

advancedCli
  .subcommand("envFull", "env-full", {
    help: "Run a test environment for bench1",
  })
  .action(async (args) => {
    const testDir = fs.mkdtempSync(path.join(os.tmpdir(), "taler-env-full-"));
    const testState = new GlobalTestState({
      testDir,
    });
    await runTestWithState(testState, runEnvFull, "env-full", true);
  });

advancedCli
  .subcommand("env1", "env1", {
    help: "Run a test environment for bench1",
  })
  .action(async (args) => {
    const testDir = fs.mkdtempSync(path.join(os.tmpdir(), "taler-env1-"));
    const testState = new GlobalTestState({
      testDir,
    });
    await runTestWithState(testState, runEnv1, "env1", true);
  });

async function doDbChecks(
  t: GlobalTestState,
  walletClient: WalletClient,
  indir: string,
): Promise<void> {
  // Check that balance didn't break
  const balPath = `${indir}/wallet-balances.json`;
  const expectedBal: BalancesResponse = JSON.parse(
    fs.readFileSync(balPath, { encoding: "utf8" }),
  ) as BalancesResponse;
  const actualBal = await walletClient.call(WalletApiOperation.GetBalances, {});
  t.assertDeepEqual(actualBal.balances.length, expectedBal.balances.length);

  // Check that transactions didn't break
  const txnPath = `${indir}/wallet-transactions.json`;
  const expectedTxn: TransactionsResponse = JSON.parse(
    fs.readFileSync(txnPath, { encoding: "utf8" }),
  ) as TransactionsResponse;
  const actualTxn = await walletClient.call(
    WalletApiOperation.GetTransactions,
    { includeRefreshes: true },
  );
  t.assertDeepEqual(
    actualTxn.transactions.length,
    expectedTxn.transactions.length,
  );
}

advancedCli
  .subcommand("walletDbcheck", "wallet-dbcheck", {
    help: "Check a wallet database (used for migration testing).",
  })
  .requiredArgument("indir", clk.STRING)
  .action(async (args) => {
    const indir = args.walletDbcheck.indir;
    if (!fs.existsSync(indir)) {
      throw Error("directory to be checked does not exist");
    }

    const testRootDir = fs.mkdtempSync(path.join(os.tmpdir(), "taler-dbchk-"));
    const t: GlobalTestState = new GlobalTestState({
      testDir: testRootDir,
    });
    const origWalletDbPath = `${indir}/wallet-db.sqlite3`;
    const testWalletDbPath = `${testRootDir}/wallet-testdb.sqlite3`;
    fs.cpSync(origWalletDbPath, testWalletDbPath);
    if (!fs.existsSync(origWalletDbPath)) {
      throw new Error("wallet db to be checked does not exist");
    }
    const { walletClient, walletService } = await createWalletDaemonWithClient(
      t,
      { name: "wallet-loaded", overrideDbPath: testWalletDbPath },
    );

    await walletService.pingUntilAvailable();

    // Do DB checks with the DB we loaded.
    await doDbChecks(t, walletClient, indir);

    const {
      walletClient: freshWalletClient,
      walletService: freshWalletService,
    } = await createWalletDaemonWithClient(t, {
      name: "wallet-fresh",
      persistent: false,
    });

    await freshWalletService.pingUntilAvailable();

    // Check that we can still import the backup JSON.

    const backupPath = `${indir}/wallet-backup.json`;
    const backupData = JSON.parse(
      fs.readFileSync(backupPath, { encoding: "utf8" }),
    );
    await freshWalletClient.call(WalletApiOperation.ImportDb, {
      dump: backupData,
    });

    // Repeat same checks with wallet that we restored from backup
    // instead of from the DB file.
    await doDbChecks(t, freshWalletClient, indir);

    await t.shutdown();
  });

advancedCli
  .subcommand("walletDbgen", "wallet-dbgen", {
    help: "Generate a wallet test database (to be used for migration testing).",
  })
  .requiredArgument("outdir", clk.STRING)
  .action(async (args) => {
    const outdir = args.walletDbgen.outdir;
    if (fs.existsSync(outdir)) {
      throw new Error("outdir already exists, please delete first");
    }
    fs.mkdirSync(outdir, {
      recursive: true,
    });

    const testRootDir = fs.mkdtempSync(path.join(os.tmpdir(), "taler-dbgen-"));
    console.log(`generating data in ${testRootDir}`);
    const t = new GlobalTestState({
      testDir: testRootDir,
    });
    const { walletClient, walletService, bank, exchange, merchant } =
      await createSimpleTestkudosEnvironmentV2(t);
    await walletClient.call(WalletApiOperation.RunIntegrationTestV2, {
      amountToSpend: "TESTKUDOS:5" as AmountString,
      amountToWithdraw: "TESTKUDOS:10" as AmountString,
      corebankApiBaseUrl: bank.corebankApiBaseUrl,
      exchangeBaseUrl: exchange.baseUrl,
      merchantBaseUrl: merchant.makeInstanceBaseUrl(),
    });
    await walletClient.call(
      WalletApiOperation.TestingWaitTransactionsFinal,
      {},
    );

    const transactionsJson = await walletClient.call(
      WalletApiOperation.GetTransactions,
      {
        includeRefreshes: true,
      },
    );

    const balancesJson = await walletClient.call(
      WalletApiOperation.GetBalances,
      {},
    );

    const backupJson = await walletClient.call(WalletApiOperation.ExportDb, {});

    const versionJson = await walletClient.call(
      WalletApiOperation.GetVersion,
      {},
    );

    await walletService.stop();

    await t.shutdown();

    console.log(`generated data in ${testRootDir}`);

    fs.copyFileSync(walletService.dbPath, `${outdir}/wallet-db.sqlite3`);
    fs.writeFileSync(
      `${outdir}/wallet-transactions.json`,
      j2s(transactionsJson),
    );
    fs.writeFileSync(`${outdir}/wallet-balances.json`, j2s(balancesJson));
    fs.writeFileSync(`${outdir}/wallet-backup.json`, j2s(backupJson));
    fs.writeFileSync(`${outdir}/wallet-version.json`, j2s(versionJson));
    fs.writeFileSync(
      `${outdir}/meta.json`,
      j2s({
        timestamp: new Date(),
      }),
    );
  });

const configCli = testingCli
  .subcommand("configArgs", "config", {
    help: "Subcommands for handling the Taler configuration.",
  })
  .maybeOption("configEntryFile", ["-c", "--config"], clk.STRING, {
    help: "Configuration file to use.",
  })
  .maybeOption("project", ["--project"], clk.STRING, {
    help: `Selection of the project to inspect/change the config (default: taler).`,
  });

configCli
  .subcommand("show", "show", {
    help: "Show the current configuration.",
  })
  .action(async (args) => {
    const config = Configuration.load(
      args.configArgs.configEntryFile,
      args.configArgs.project,
    );
    const cfgStr = config.stringify({
      diagnostics: true,
    });
    console.log(cfgStr);
  });

configCli
  .subcommand("get", "get", {
    help: "Get a configuration option.",
  })
  .requiredArgument("section", clk.STRING)
  .requiredArgument("option", clk.STRING)
  .flag("file", ["-f"], {
    help: "Treat the value as a filename, expanding placeholders.",
  })
  .action(async (args) => {
    const config = Configuration.load(
      args.configArgs.configEntryFile,
      args.configArgs.project,
    );
    let res;
    if (args.get.file) {
      res = config.getPath(args.get.section, args.get.option);
    } else {
      res = config.getString(args.get.section, args.get.option);
    }
    if (res.isDefined()) {
      console.log(res.required());
    } else {
      console.warn("not found");
      process.exit(1);
    }
  });

configCli
  .subcommand("set", "set", {
    help: "Set a configuration option.",
  })
  .requiredArgument("section", clk.STRING)
  .requiredArgument("option", clk.STRING)
  .requiredArgument("value", clk.STRING)
  .flag("dry", ["--dry"], {
    help: "Do not write the changed config to disk, only write it to stdout.",
  })
  .action(async (args) => {
    const config = Configuration.load(
      args.configArgs.configEntryFile,
      args.configArgs.project,
    );
    config.setString(args.set.section, args.set.option, args.set.value);
    if (args.set.dry) {
      console.log(
        config.stringify({
          excludeDefaults: true,
        }),
      );
    } else {
      config.write({
        excludeDefaults: true,
      });
    }
  });

const deploymentCli = testingCli.subcommand("deploymentArgs", "deployment", {
  help: "Subcommands for handling GNU Taler deployments.",
});

deploymentCli
  .subcommand("testTalerdotnetDemo", "test-demodottalerdotnet")
  .action(async (args) => {
    const http = createPlatformHttpLib();
    const cryptiDisp = new CryptoDispatcher(
      new SynchronousCryptoWorkerFactoryPlain(),
    );
    const cryptoApi = cryptiDisp.cryptoApi;
    const reserveKeyPair = await cryptoApi.createEddsaKeypair({});
    const exchangeBaseUrl = "https://exchange.demo.taler.net/";
    const exchangeInfo = await downloadExchangeInfo(exchangeBaseUrl, http);
    await topupReserveWithBank({
      amount: "KUDOS:10" as AmountString,
      corebankApiBaseUrl: "https://bank.demo.taler.net/",
      exchangeInfo,
      http,
      reservePub: reserveKeyPair.pub,
    });
    let reserveUrl = new URL(`reserves/${reserveKeyPair.pub}`, exchangeBaseUrl);
    reserveUrl.searchParams.set("timeout_ms", "30000");
    console.log("requesting", reserveUrl.href);
    const longpollReq = http.fetch(reserveUrl.href, {
      method: "GET",
    });
    const reserveStatusResp = await longpollReq;
    console.log("reserve status", reserveStatusResp.status);
  });

deploymentCli
  .subcommand("testDemoTestdotdalerdotnet", "test-testdottalerdotnet")
  .action(async (args) => {
    const http = createPlatformHttpLib();
    const cryptiDisp = new CryptoDispatcher(
      new SynchronousCryptoWorkerFactoryPlain(),
    );
    const cryptoApi = cryptiDisp.cryptoApi;
    const reserveKeyPair = await cryptoApi.createEddsaKeypair({});
    const exchangeBaseUrl = "https://exchange.test.taler.net/";
    const exchangeInfo = await downloadExchangeInfo(exchangeBaseUrl, http);
    await topupReserveWithBank({
      amount: "TESTKUDOS:10" as AmountString,
      corebankApiBaseUrl: "https://bank.test.taler.net/",
      exchangeInfo,
      http,
      reservePub: reserveKeyPair.pub,
    });
    let reserveUrl = new URL(`reserves/${reserveKeyPair.pub}`, exchangeBaseUrl);
    reserveUrl.searchParams.set("timeout_ms", "30000");
    console.log("requesting", reserveUrl.href);
    const longpollReq = http.fetch(reserveUrl.href, {
      method: "GET",
    });
    const reserveStatusResp = await longpollReq;
    console.log("reserve status", reserveStatusResp.status);
  });

deploymentCli
  .subcommand("testLocalhostDemo", "test-demo-localhost")
  .action(async (args) => {
    // Run checks against the "env-full" demo deployment on localhost
    const http = createPlatformHttpLib();
    const cryptiDisp = new CryptoDispatcher(
      new SynchronousCryptoWorkerFactoryPlain(),
    );
    const cryptoApi = cryptiDisp.cryptoApi;
    const reserveKeyPair = await cryptoApi.createEddsaKeypair({});
    const exchangeBaseUrl = "http://localhost:8081/";
    const exchangeInfo = await downloadExchangeInfo(exchangeBaseUrl, http);
    await topupReserveWithBank({
      amount: "TESTKUDOS:10" as AmountString,
      corebankApiBaseUrl: "http://localhost:8082/taler-bank-access/",
      exchangeInfo,
      http,
      reservePub: reserveKeyPair.pub,
    });
    let reserveUrl = new URL(`reserves/${reserveKeyPair.pub}`, exchangeBaseUrl);
    reserveUrl.searchParams.set("timeout_ms", "30000");
    console.log("requesting", reserveUrl.href);
    const longpollReq = http.fetch(reserveUrl.href, {
      method: "GET",
    });
    const reserveStatusResp = await longpollReq;
    console.log("reserve status", reserveStatusResp.status);
  });

deploymentCli
  .subcommand("lintExchange", "lint-exchange", {
    help: "Run checks on the exchange deployment.",
  })
  .flag("cont", ["--continue"], {
    help: "Continue after errors if possible",
  })
  .flag("debug", ["--debug"], {
    help: "Output extra debug info",
  })
  .action(async (args) => {
    await lintExchangeDeployment(
      args.lintExchange.debug,
      args.lintExchange.cont,
    );
  });

deploymentCli
  .subcommand("waitService", "wait-taler-service", {
    help: "Wait for the config endpoint of a Taler-style service to be available",
  })
  .requiredArgument("serviceName", clk.STRING)
  .requiredArgument("serviceConfigUrl", clk.STRING)
  .action(async (args) => {
    const serviceName = args.waitService.serviceName;
    const serviceUrl = args.waitService.serviceConfigUrl;
    console.log(
      `Waiting for service ${serviceName} to be ready at ${serviceUrl}`,
    );
    const httpLib = createPlatformHttpLib();
    while (1) {
      console.log(`Fetching ${serviceUrl}`);
      let resp: HttpResponse;
      try {
        resp = await httpLib.fetch(serviceUrl);
      } catch (e) {
        console.log(
          `Got network error for service ${serviceName} at ${serviceUrl}`,
        );
        await delayMs(1000);
        continue;
      }
      if (resp.status != 200) {
        console.log(
          `Got unexpected status ${resp.status} for service at ${serviceUrl}`,
        );
        await delayMs(1000);
        continue;
      }
      let respJson: any;
      try {
        respJson = await resp.json();
      } catch (e) {
        console.log(
          `Got json error for service ${serviceName} at ${serviceUrl}`,
        );
        await delayMs(1000);
        continue;
      }
      const recServiceName = respJson.name;
      console.log(`Got name ${recServiceName}`);
      if (recServiceName != serviceName) {
        console.log(`A different service is still running at ${serviceUrl}`);
        await delayMs(1000);
        continue;
      }
      console.log(`service ${serviceName} at ${serviceUrl} is now available`);
      return;
    }
  });

deploymentCli
  .subcommand("waitEndpoint", "wait-endpoint", {
    help: "Wait for an endpoint to return an HTTP 200 Ok status with JSON body",
  })
  .requiredArgument("serviceEndpoint", clk.STRING)
  .action(async (args) => {
    const serviceUrl = args.waitEndpoint.serviceEndpoint;
    console.log(`Waiting for endpoint ${serviceUrl} to be ready`);
    const httpLib = createPlatformHttpLib();
    while (1) {
      console.log(`Fetching ${serviceUrl}`);
      let resp: HttpResponse;
      try {
        resp = await httpLib.fetch(serviceUrl);
      } catch (e) {
        console.log(`Got network error for service at ${serviceUrl}`);
        await delayMs(1000);
        continue;
      }
      if (resp.status != 200) {
        console.log(
          `Got unexpected status ${resp.status} for service at ${serviceUrl}`,
        );
        await delayMs(1000);
        continue;
      }
      let respJson: any;
      try {
        respJson = await resp.json();
      } catch (e) {
        console.log(`Got json error for service at ${serviceUrl}`);
        await delayMs(1000);
        continue;
      }
      return;
    }
  });

deploymentCli
  .subcommand("genIban", "gen-iban", {
    help: "Generate a random IBAN.",
  })
  .requiredArgument("countryCode", clk.STRING)
  .requiredArgument("length", clk.INT)
  .action(async (args) => {
    console.log(generateIban(args.genIban.countryCode, args.genIban.length));
  });

deploymentCli
  .subcommand("provisionBankMerchant", "provision-bank-and-merchant", {
    help: "Provision a bank account, merchant instance and link them together.",
  })
  .requiredArgument("merchantApiBaseUrl", clk.STRING, {
    help: "URL location of the merchant backend",
  })
  .requiredArgument("corebankApiBaseUrl", clk.STRING, {
    help: "URL location of the libeufin bank backend",
  })
  .requiredOption(
    "merchantToken",
    ["--merchant-management-token"],
    clk.STRING,
    {
      help: "access token of the default instance in the merchant backend",
    },
  )
  .maybeOption("bankToken", ["--bank-admin-token"], clk.STRING, {
    help: "libeufin bank admin's token if the account creation is restricted",
  })
  .maybeOption("bankPassword", ["--bank-admin-password"], clk.STRING, {
    help: "libeufin bank admin's password if the account creation is restricted, it will override --bank-admin-token",
  })
  .requiredOption("name", ["--legal-name"], clk.STRING, {
    help: "legal name of the merchant",
  })
  .maybeOption("email", ["--email"], clk.STRING, {
    help: "email contact of the merchant",
  })
  .maybeOption("phone", ["--phone"], clk.STRING, {
    help: "phone contact of the merchant",
  })
  .requiredOption("id", ["--id"], clk.STRING, {
    help: "login id for the bank account and instance id of the merchant backend",
  })
  .flag("template", ["--create-template"], {
    help: "use this flag to create a default template for the merchant with fixed summary",
  })
  .requiredOption("password", ["--password"], clk.STRING, {
    help: "password of the accounts in libeufin bank and merchant backend",
  })
  .flag("randomPassword", ["--set-random-password"], {
    help: "if everything worked ok, change the password of the accounts at the end",
  })
  .action(async (args) => {
    const managementToken = createRFC8959AccessTokenPlain(
      args.provisionBankMerchant.merchantToken,
    );
    const bankAdminPassword = args.provisionBankMerchant.bankPassword;
    const bankAdminTokenArg = args.provisionBankMerchant.bankToken
      ? createRFC8959AccessTokenPlain(args.provisionBankMerchant.bankToken)
      : undefined;
    const id = args.provisionBankMerchant.id;
    const name = args.provisionBankMerchant.name;
    const email = args.provisionBankMerchant.email;
    const phone = args.provisionBankMerchant.phone;
    const password = args.provisionBankMerchant.password;

    const httpLib = createPlatformHttpLib({});
    const merchantManager = new TalerMerchantManagementHttpClient(
      args.provisionBankMerchant.merchantApiBaseUrl,
      httpLib,
    );
    const bank = new TalerCoreBankHttpClient(
      args.provisionBankMerchant.corebankApiBaseUrl,
      httpLib,
    );
    const instanceURL = merchantManager.getSubInstanceAPI(id).href;
    const merchantInstance = new TalerMerchantInstanceHttpClient(
      instanceURL,
      httpLib,
    );
    const conv = new TalerBankConversionHttpClient(
      bank.getConversionInfoAPI().href,
      httpLib,
    );
    const bankAuth = new TalerAuthenticationHttpClient(
      bank.getAuthenticationAPI(id).href,
      httpLib,
    );

    const bc = await bank.getConfig();
    if (bc.type === "fail") {
      logger.error(`couldn't get bank config. ${bc.detail.hint}`);
      return;
    }
    if (!bank.isCompatible(bc.body.version)) {
      logger.error(
        `bank server version is not compatible: ${bc.body.version}, client version: ${bank.PROTOCOL_VERSION}`,
      );
      return;
    }
    const mc = await merchantManager.getConfig();
    if (mc.type === "fail") {
      logger.error(`couldn't get merchant config. ${mc.detail.hint}`);
      return;
    }
    if (!merchantManager.isCompatible(mc.body.version)) {
      logger.error(
        `merchant server version is not compatible: ${mc.body.version}, client version: ${merchantManager.PROTOCOL_VERSION}`,
      );
      return;
    }

    let bankAdminToken: AccessToken | undefined;
    if (bankAdminPassword) {
      const adminAuth = new TalerAuthenticationHttpClient(
        bank.getAuthenticationAPI("admin").href,
        httpLib,
      );

      const resp = await adminAuth.createAccessTokenBasic(
        "admin",
        bankAdminPassword,
        {
          scope: "write",
          duration: {
            d_us: 1000 * 1000 * 10, //10 secs
          },
          refreshable: false,
        },
      );
      if (resp.type === "fail") {
        logger.error(`could not get bank admin token from password.`);
        return;
      }
      bankAdminToken = resp.body.access_token;
    } else {
      bankAdminToken = bankAdminTokenArg;
    }

    /**
     * create bank account
     */
    let accountPayto: PaytoString;
    {
      const resp = await bank.createAccount(bankAdminToken, {
        name: name,
        password: password,
        username: id,
        contact_data:
          email || phone
            ? {
                email: email,
                phone: phone,
              }
            : undefined,
      });

      if (resp.type === "fail") {
        logger.error(
          `unable to provision bank account, HTTP response status ${resp.case}`,
        );
        process.exit(2);
      }
      logger.info(`account ${id} successfully provisioned`);
      accountPayto = resp.body.internal_payto_uri;
    }

    /**
     * create merchant account
     */
    {
      const resp = await merchantManager.createInstance(managementToken, {
        address: {},
        auth: {
          method: "token",
          token: createRFC8959AccessTokenPlain(password),
        },
        default_pay_delay: Duration.toTalerProtocolDuration(
          Duration.fromSpec({ hours: 1 }),
        ),
        default_wire_transfer_delay: Duration.toTalerProtocolDuration(
          Duration.fromSpec({ hours: 1 }),
        ),
        id: id,
        jurisdiction: {},
        name: name,
        use_stefan: true,
      });

      if (resp.type === "ok") {
        logger.info(`instance ${id} created successfully`);
      } else if (resp.case === HttpStatusCode.Conflict) {
        logger.info(`instance ${id} already exists`);
      } else {
        logger.error(
          `unable to create instance ${id}, HTTP status ${resp.case}`,
        );
        process.exit(2);
      }
    }

    let wireAccount: string;
    /**
     * link bank account and merchant
     */
    {
      const resp = await merchantInstance.addBankAccount(
        createRFC8959AccessTokenEncoded(password),
        {
          payto_uri: accountPayto,
          credit_facade_url: bank.getRevenueAPI(id).href,
          credit_facade_credentials: {
            type: "basic",
            username: id,
            password: password,
          },
        },
      );
      if (resp.type === "fail") {
        console.error(
          `unable to configure bank account for instance ${id}, status ${resp.case}`,
        );
        console.error(j2s(resp.detail));
        process.exit(2);
      }
      wireAccount = resp.body.h_wire;
    }

    logger.info(`successfully configured bank account for ${id}`);

    let templateURI;
    /**
     * create template
     */
    if (args.provisionBankMerchant.template) {
      let currency = bc.body.currency;
      if (bc.body.allow_conversion) {
        const cc = await conv.getConfig();
        if (cc.type === "ok") {
          currency = cc.body.fiat_currency;
        } else {
          console.error(`could not get fiat currency status ${cc.case}`);
          console.error(j2s(cc.detail));
        }
      } else {
        console.log(`conversion is disabled, using bank currency`);
      }

      {
        const resp = await merchantInstance.addTemplate(
          createRFC8959AccessTokenEncoded(password),
          {
            template_id: "default",
            template_description: "First template",
            template_contract: {
              pay_duration: Duration.toTalerProtocolDuration(
                Duration.fromSpec({ hours: 1 }),
              ),
              minimum_age: 0,
              currency,
              summary: "Pay me!",
            },
            editable_defaults: {
              amount: currency,
            },
          },
        );
        if (resp.type === "fail") {
          console.error(
            `unable to create template for insntaince ${id}, status ${resp.case}`,
          );
          console.error(j2s(resp.detail));
          process.exit(2);
        }
      }

      logger.info(`template default successfully created`);
      templateURI = stringifyPayTemplateUri({
        merchantBaseUrl: instanceURL,
        templateId: "default",
      });
    }

    let finalPassword = password;
    if (args.provisionBankMerchant.randomPassword) {
      const prevPassword = password;
      const randomPassword = encodeCrock(randomBytes(16));
      logger.info("random password: ", randomPassword);
      let token: AccessToken;
      {
        const resp = await bankAuth.createAccessTokenBasic(id, prevPassword, {
          scope: "readwrite",
          duration: Duration.toTalerProtocolDuration(
            Duration.fromSpec({ minutes: 1 }),
          ),
          refreshable: false,
        });
        if (resp.type === "fail") {
          console.error(
            `unable to login into bank accountfor user ${id}, status ${resp.case}`,
          );
          console.error(j2s(resp.detail));
          process.exit(2);
        }
        token = resp.body.access_token;
      }

      {
        const resp = await bank.updatePassword(
          { username: id, token },
          {
            old_password: prevPassword,
            new_password: randomPassword,
          },
        );
        if (resp.type === "fail") {
          console.error(
            `unable to change bank password for user ${id}, status ${resp.case}`,
          );
          if (resp.case !== HttpStatusCode.Accepted) {
            console.error(j2s(resp.detail));
          } else {
            console.error("2FA required");
          }
          process.exit(2);
        }
      }

      {
        const resp = await merchantInstance.updateCurrentInstanceAuthentication(
          createRFC8959AccessTokenEncoded(prevPassword),
          {
            method: "token",
            token: createRFC8959AccessTokenPlain(randomPassword),
          },
        );
        if (resp.type === "fail") {
          console.error(
            `unable to change merchant password for instance ${id}, status ${resp.case}`,
          );
          console.error(j2s(resp.detail));
          process.exit(2);
        }
      }

      {
        const resp = await merchantInstance.updateBankAccount(
          createRFC8959AccessTokenEncoded(randomPassword),
          wireAccount,
          {
            credit_facade_url: bank.getRevenueAPI(id).href,
            credit_facade_credentials: {
              type: "basic",
              username: id,
              password: randomPassword,
            },
          },
        );
        if (resp.type != "ok") {
          console.error(
            `unable to update bank account for instance ${id}, status ${resp.case}`,
          );
          console.error(j2s(resp.detail));
          process.exit(2);
        }
      }
      finalPassword = randomPassword;
    }
    logger.info(`successfully configured bank account for ${id}`);

    /**
     * show result
     */
    console.log(
      JSON.stringify(
        {
          bankUser: id,
          bankURL: args.provisionBankMerchant.corebankApiBaseUrl,
          merchantURL: instanceURL,
          templateURI,
          password: finalPassword,
        },
        undefined,
        2,
      ),
    );
  });

deploymentCli
  .subcommand("provisionMerchantInstance", "provision-merchant-instance", {
    help: "Provision a merchant backend instance.",
  })
  .requiredArgument("merchantApiBaseUrl", clk.STRING)
  .requiredOption("managementToken", ["--management-token"], clk.STRING)
  .requiredOption("instanceToken", ["--instance-token"], clk.STRING)
  .requiredOption("name", ["--name"], clk.STRING)
  .requiredOption("id", ["--id"], clk.STRING)
  .requiredOption("payto", ["--payto"], clk.STRING)
  .maybeOption("bankURL", ["--bankURL"], clk.STRING)
  .maybeOption("bankUser", ["--bankUser"], clk.STRING)
  .maybeOption("bankPassword", ["--bankPassword"], clk.STRING)
  .action(async (args) => {
    const httpLib = createPlatformHttpLib({});
    const baseUrl = args.provisionMerchantInstance.merchantApiBaseUrl;
    const api = new TalerMerchantManagementHttpClient(baseUrl, httpLib);
    const managementToken = createRFC8959AccessTokenEncoded(
      args.provisionMerchantInstance.managementToken,
    );
    const instanceTokenEnc = createRFC8959AccessTokenPlain(
      args.provisionMerchantInstance.instanceToken,
    );
    const instanceTokenPlain = createRFC8959AccessTokenPlain(
      args.provisionMerchantInstance.instanceToken,
    );
    const instanceId = args.provisionMerchantInstance.id;
    const instancceName = args.provisionMerchantInstance.name;
    const bankURL = args.provisionMerchantInstance.bankURL;
    const bankUser = args.provisionMerchantInstance.bankUser;
    const bankPassword = args.provisionMerchantInstance.bankPassword;
    const accountPayto = args.provisionMerchantInstance.payto as PaytoString;

    const createResp = await api.createInstance(managementToken, {
      address: {},
      auth: {
        method: "token",
        token: instanceTokenPlain,
      },
      default_pay_delay: Duration.toTalerProtocolDuration(
        Duration.fromSpec({ hours: 1 }),
      ),
      default_wire_transfer_delay: { d_us: 1 },
      id: instanceId,
      jurisdiction: {},
      name: instancceName,
      use_stefan: true,
    });

    if (createResp.type === "ok") {
      logger.info(`instance ${instanceId} created successfully`);
    } else if (createResp.case === HttpStatusCode.Conflict) {
      logger.info(`instance ${instanceId} already exists`);
    } else {
      logger.error(
        `unable to create instance ${instanceId}, HTTP status ${createResp.case}`,
      );
      process.exit(2);
    }

    const createAccountResp = await api.addBankAccount(instanceTokenEnc, {
      payto_uri: accountPayto,
      credit_facade_url: bankURL,
      credit_facade_credentials:
        bankUser && bankPassword
          ? {
              type: "basic",
              username: bankUser,
              password: bankPassword,
            }
          : undefined,
    });
    if (createAccountResp.type != "ok") {
      console.error(
        `unable to configure bank account for instance ${instanceId}, status ${createAccountResp.case}`,
      );
      console.error(j2s(createAccountResp.detail));
      process.exit(2);
    }
    logger.info(`successfully configured bank account for ${instanceId}`);
  });

deploymentCli
  .subcommand("provisionBankAccount", "provision-bank-account", {
    help: "Provision a corebank account.",
  })
  .requiredArgument("corebankApiBaseUrl", clk.STRING)
  .flag("exchange", ["--exchange"])
  .flag("public", ["--public"])
  .requiredOption("login", ["--login"], clk.STRING)
  .requiredOption("name", ["--name"], clk.STRING)
  .requiredOption("password", ["--password"], clk.STRING)
  .maybeOption("internalPayto", ["--payto"], clk.STRING)
  .action(async (args) => {
    const httpLib = createPlatformHttpLib();
    const baseUrl = args.provisionBankAccount.corebankApiBaseUrl;
    const api = new TalerCoreBankHttpClient(baseUrl, httpLib);

    const accountLogin = args.provisionBankAccount.login;
    const resp = await api.createAccount(undefined, {
      name: args.provisionBankAccount.name,
      password: args.provisionBankAccount.password,
      username: accountLogin,
      is_public: !!args.provisionBankAccount.public,
      is_taler_exchange: !!args.provisionBankAccount.exchange,
      payto_uri: args.provisionBankAccount.internalPayto as PaytoString,
    });

    if (resp.type === "ok") {
      logger.info(`account ${accountLogin} successfully provisioned`);
      return;
    }
    logger.error(
      `unable to provision bank account, HTTP response status ${resp.case}`,
    );
    process.exit(2);
  });

deploymentCli
  .subcommand("coincfg", "gen-coin-config", {
    help: "Generate a coin/denomination configuration for the exchange.",
  })
  .requiredOption("minAmount", ["--min-amount"], clk.STRING, {
    help: "Smallest denomination",
  })
  .requiredOption("maxAmount", ["--max-amount"], clk.STRING, {
    help: "Largest denomination",
  })
  .flag("noFees", ["--no-fees"])
  .action(async (args) => {
    let out = "";

    const stamp = Math.floor(new Date().getTime() / 1000);

    const min = Amounts.parseOrThrow(args.coincfg.minAmount);
    const max = Amounts.parseOrThrow(args.coincfg.maxAmount);
    if (min.currency != max.currency) {
      console.error("currency mismatch");
      process.exit(1);
    }
    const currency = min.currency;
    let x = min;
    let n = 1;

    out += "# Coin configuration for the exchange.\n";
    out += '# Should be placed in "/etc/taler/conf.d/exchange-coins.conf".\n';
    out += "\n";

    while (Amounts.cmp(x, max) < 0) {
      out += `[COIN-${currency}-n${n}-t${stamp}]\n`;
      out += `VALUE = ${Amounts.stringify(x)}\n`;
      out += `DURATION_WITHDRAW = 7 days\n`;
      out += `DURATION_SPEND = 2 years\n`;
      out += `DURATION_LEGAL = 6 years\n`;
      out += `FEE_WITHDRAW = ${currency}:0\n`;
      if (args.coincfg.noFees) {
        out += `FEE_DEPOSIT = ${currency}:0\n`;
      } else {
        out += `FEE_DEPOSIT = ${Amounts.stringify(min)}\n`;
      }
      out += `FEE_REFRESH = ${currency}:0\n`;
      out += `FEE_REFUND = ${currency}:0\n`;
      out += `RSA_KEYSIZE = 2048\n`;
      out += `CIPHER = RSA\n`;
      out += "\n";
      x = Amounts.add(x, x).amount;
      n++;
    }

    console.log(out);
  });

testingCli.subcommand("logtest", "logtest").action(async (args) => {
  logger.trace("This is a trace message.");
  logger.info("This is an info message.");
  logger.warn("This is an warning message.");
  logger.error("This is an error message.");
});

testingCli
  .subcommand("listIntegrationtests", "list-integrationtests")
  .action(async (args) => {
    for (const t of getTestInfo()) {
      let s = t.name;
      if (t.suites.length > 0) {
        s += ` (suites: ${t.suites.join(",")})`;
      }
      if (t.experimental) {
        s += ` [experimental]`;
      }
      console.log(s);
    }
  });

testingCli
  .subcommand("runIntegrationtests", "run-integrationtests")
  .maybeArgument("pattern", clk.STRING, {
    help: "Glob pattern to select which tests to run",
  })
  .maybeOption("suites", ["--suites"], clk.STRING, {
    help: "Only run selected suites (comma-separated list)",
  })
  .flag("dryRun", ["--dry"], {
    help: "Only print tests that will be selected to run.",
  })
  .flag("experimental", ["--experimental"], {
    help: "Include tests marked as experimental",
  })
  .flag("failFast", ["--fail-fast"], {
    help: "Exit after the first error",
  })
  .flag("waitOnFail", ["--wait-on-fail"], {
    help: "Exit after the first error",
  })
  .flag("quiet", ["--quiet"], {
    help: "Produce less output.",
  })
  .flag("noTimeout", ["--no-timeout"], {
    help: "Do not time out tests.",
  })
  .action(async (args) => {
    await runTests({
      includePattern: args.runIntegrationtests.pattern,
      failFast: args.runIntegrationtests.failFast,
      waitOnFail: args.runIntegrationtests.waitOnFail,
      suiteSpec: args.runIntegrationtests.suites,
      dryRun: args.runIntegrationtests.dryRun,
      verbosity: args.runIntegrationtests.quiet ? 0 : 1,
      includeExperimental: args.runIntegrationtests.experimental ?? false,
      noTimeout: args.runIntegrationtests.noTimeout,
    });
  });

async function read(stream: NodeJS.ReadStream) {
  const chunks = [];
  for await (const chunk of stream) chunks.push(chunk);
  return Buffer.concat(chunks).toString("utf8");
}

testingCli.subcommand("tvgcheck", "tvgcheck").action(async (args) => {
  const data = await read(process.stdin);

  const lines = data.match(/[^\r\n]+/g);

  if (!lines) {
    throw Error("can't split lines");
  }

  const vals: Record<string, string> = {};

  let inBlindSigningSection = false;

  for (const line of lines) {
    if (line === "blind signing:") {
      inBlindSigningSection = true;
      continue;
    }
    if (line[0] !== " ") {
      inBlindSigningSection = false;
      continue;
    }
    if (inBlindSigningSection) {
      const m = line.match(/  (\w+) (\w+)/);
      if (!m) {
        console.log("bad format");
        process.exit(2);
      }
      vals[m[1]] = m[2];
    }
  }

  console.log(vals);

  const req = (k: string) => {
    if (!vals[k]) {
      throw Error(`no value for ${k}`);
    }
    return decodeCrock(vals[k]);
  };

  const myBm = rsaBlind(
    req("message_hash"),
    req("blinding_key_secret"),
    req("rsa_public_key"),
  );

  deepStrictEqual(req("blinded_message"), myBm);

  console.log("check passed!");
});

export function main() {
  testingCli.run();
}