/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

var { IMServices } = ChromeUtils.importESModule(
  "resource:///modules/IMServices.sys.mjs"
);
var { ircAccount } = ChromeUtils.importESModule(
  "resource:///modules/ircAccount.sys.mjs"
);
var { clearTimeout, setTimeout } = ChromeUtils.importESModule(
  "resource://gre/modules/Timer.sys.mjs"
);

function FakeAccount() {
  this._commandBuffers = new Map();
  this.callbacks = [];
}
FakeAccount.prototype = {
  __proto__: ircAccount.prototype,
  maxMessageLength: 60,
  callbacks: [],
  sendMessage(aCommand, aParams) {
    this.callbacks.shift()(aCommand, aParams);
  },
};

var account = new FakeAccount();

function run_test() {
  test_parameterCollect();
  test_maxLength();
  run_next_test();
}

function test_parameterCollect() {
  // Individual tests, data consisting of [channel, key] pairs.
  let tests = [
    {
      data: [["one"], ["one"]], // also tests deduplication
      result: "JOIN one",
    },
    {
      data: [["one", ""]], // explicit empty password string
      result: "JOIN one",
    },
    {
      data: [["one"], ["two"], ["three"]],
      result: "JOIN one,two,three",
    },
    {
      data: [["one"], ["two", "password"], ["three"]],
      result: "JOIN two,one,three password",
    },
    {
      data: [
        ["one"],
        ["two", "password"],
        ["three"],
        ["four", "anotherpassword"],
      ],
      result: "JOIN two,four,one,three password,anotherpassword",
    },
  ];

  for (let test of tests) {
    let timeout;
    // Destructure test to local variables so each function
    // generated here gets the correct value in its scope.
    let { data, result } = test;
    account.callbacks.push((aCommand, aParams) => {
      let msg = account.buildMessage(aCommand, aParams);
      equal(msg, result, "Test buffering of parameters");
      clearTimeout(timeout);
      account._lastCommandSendTime = 0;
      run_next_test();
    });
    add_test(() => {
      // This timeout lets the test fail more quickly if
      // some of the callbacks we added don't get called.
      // Not strictly speaking necessary.
      // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
      timeout = setTimeout(() => {
        ok(false, "test_parameterCollect failed after timeout.");
        run_next_test();
      }, 2000);
      for (let [channel, key] of data) {
        account.sendBufferedCommand("JOIN", channel, key);
      }
    });
  }

  // Test this still works when adding commands on different ticks of
  // the event loop.
  account._lastCommandSendTime = 0;
  for (let test of tests) {
    let timeout;
    let { data, result } = test;
    account.callbacks.push((aCommand, aParams) => {
      let msg = account.buildMessage(aCommand, aParams);
      equal(msg, result, "Test buffering with setTimeout");
      clearTimeout(timeout);
      run_next_test();
    });
    add_test(() => {
      // This timeout lets the test fail more quickly if
      // some of the callbacks we added don't get called.
      // Not strictly speaking necessary.
      // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
      timeout = setTimeout(() => {
        ok(false, "test_parameterCollect failed after timeout.");
        run_next_test();
      }, 2000);
      let delay = 0;
      for (let params of data) {
        let [channel, key] = params;
        delay += 200;
        // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
        setTimeout(() => {
          account.sendBufferedCommand("JOIN", channel, key);
        }, delay);
      }
    });
  }
}

function test_maxLength() {
  let tests = [
    {
      data: [
        ["applecustard"],
        ["pearpie"],
        ["strawberryfield"],
        ["blueberrypancake"],
        ["mangojuice"],
        ["raspberryberet"],
        ["pineapplesoup"],
        ["limejelly"],
        ["lemonsorbet"],
      ],
      results: [
        "JOIN applecustard,pearpie,strawberryfield,blueberrypancake",
        "JOIN mangojuice,raspberryberet,pineapplesoup,limejelly",
        "JOIN lemonsorbet",
      ],
    },
    {
      data: [
        ["applecustard"],
        ["pearpie"],
        ["strawberryfield", "password1"],
        ["blueberrypancake"],
        ["mangojuice"],
        ["raspberryberet"],
        ["pineapplesoup"],
        ["limejelly", "password2"],
        ["lemonsorbet"],
      ],
      results: [
        "JOIN strawberryfield,applecustard,pearpie password1",
        "JOIN blueberrypancake,mangojuice,raspberryberet",
        "JOIN limejelly,pineapplesoup,lemonsorbet password2",
      ],
    },
  ];

  account._lastCommandSendTime = 0;
  for (let test of tests) {
    let timeout;
    // Destructure test to local variables so each function
    // generated here gets the correct value in its scope.
    let { data, results } = test;
    for (let r of results) {
      let result = r;
      account.callbacks.push((aCommand, aParams) => {
        let msg = account.buildMessage(aCommand, aParams);
        equal(msg, result, "Test maximum message length constraint");
        // After all results are checked, run the next test.
        if (result == results[results.length - 1]) {
          clearTimeout(timeout);
          run_next_test();
        }
      });
    }
    add_test(() => {
      // This timeout lets the test fail more quickly if
      // some of the callbacks we added don't get called.
      // Not strictly speaking necessary.
      // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
      timeout = setTimeout(() => {
        ok(false, "test_maxLength failed after timeout.");
        run_next_test();
      }, 2000);
      for (let [channel, key] of data) {
        account.sendBufferedCommand("JOIN", channel, key);
      }
    });
  }
}