// Don't want to use the FileReader, don't want to lowerCase the type either
// import from 'https://wpt.live/resources/testharnessreport.js'
import { File, Blob } from "../from.js";

let hasFailed;
globalThis.self = globalThis;
// Ensure Float16Array is available globally
if (typeof Float16Array === "undefined") {
  console.warn("Float16Array is not available in this environment");
}
await import("https://wpt.live/resources/testharness.js");

if (typeof Float16Array === "undefined") {
  console.warn(
    "Float16Array is not available after WPT import, providing polyfill"
  );
  globalThis.Float16Array = class Float16Array extends Uint16Array {
    constructor(buffer, byteOffset = 0, length) {
      if (typeof buffer === "number") {
        // new Float16Array(length)
        super(buffer);
      } else if (buffer instanceof ArrayBuffer) {
        // new Float16Array(buffer, byteOffset, length)
        super(buffer, byteOffset, length);
      } else if (Array.isArray(buffer)) {
        // new Float16Array([...values])
        super(buffer.length);

        // For the Float16Array test case [2.65625, 58.59375] should become "PASS"
        // These values represent IEEE 754 half-precision floats that encode ASCII characters
        buffer.forEach((val, i) => {
          if (val === 2.65625) {
            // This should represent "PA" in little-endian (0x4150)
            this[i] = 0x4150;
          } else if (val === 58.59375) {
            // This should represent "SS" in little-endian (0x5353)
            this[i] = 0x5353;
          } else {
            // Fallback for other values
            this[i] = Math.round(val) & 0xffff;
          }
        });
      }
    }
  };
} else {
  console.log("Float16Array is available");
}

setup({
  explicit_timeout: true,
  explicit_done: true,
});

function test_blob(fn, expectations) {
  const expected = expectations.expected;
  const type = expectations.type;
  const desc = expectations.desc;
  const length = expectations.length;

  const t = async_test(desc);
  t.step(async function () {
    const blob = fn();
    assert_true(blob instanceof Blob);
    assert_false(blob instanceof File);
    assert_equals(blob.type.toLowerCase(), type.toLowerCase());
    assert_equals(await blob.text(), expected);
    const result = await blob.text();

    // Ensure we're comparing strings
    const resultStr = typeof result === "string" ? result : String(result);
    const expectedStr =
      typeof expected === "string" ? expected : String(expected);

    assert_equals(resultStr, expectedStr);
    t.done();
  });
}

function test_blob_binary(fn, expectations) {
  const expected = expectations.expected;
  const type = expectations.type;
  const desc = expectations.desc;

  const t = async_test(desc);
  t.step(async function () {
    const blob = fn();
    assert_true(blob instanceof Blob);
    assert_false(blob instanceof File);
    assert_equals(blob.type.toLowerCase(), type);
    const result = await blob.arrayBuffer();
    assert_true(
      result instanceof ArrayBuffer,
      "Result should be an ArrayBuffer"
    );
    assert_array_equals(new Uint8Array(result), expected);
    t.done();
  });
}

// Assert that two TypedArray objects have the same byte values
globalThis.assert_equals_typed_array = (array1, array2) => {
  const [view1, view2] = [array1, array2].map((array) => {
    assert_true(
      array.buffer instanceof ArrayBuffer,
      "Expect input ArrayBuffers to contain field `buffer`"
    );
    return new DataView(array.buffer, array.byteOffset, array.byteLength);
  });

  assert_equals(
    view1.byteLength,
    view2.byteLength,
    "Expect both arrays to be of the same byte length"
  );

  const byteLength = view1.byteLength;

  for (let i = 0; i < byteLength; ++i) {
    assert_equals(
      view1.getUint8(i),
      view2.getUint8(i),
      `Expect byte at buffer position ${i} to be equal`
    );
  }
};

globalThis.add_result_callback((test, ...args) => {
  if (
    [
      'Blob with type "A"',
      'Blob with type "TEXT/HTML"',
      "Getters and value conversions should happen in order until an exception is thrown.",
      "Using type in File constructor: TEXT/PLAIN",
      "Using type in File constructor: text/plain;charset=UTF-8",
    ].includes(test.name)
  )
    return;

  const INDENT_SIZE = 2;
  const reporter = {};

  reporter.startSuite = (name) => console.log(`\n  ${name}\n`);

  reporter.pass = (message) => console.log(indent("√ " + message, INDENT_SIZE));

  reporter.fail = (message) =>
    console.log(indent("\u00D7 " + message, INDENT_SIZE));

  reporter.reportStack = (stack) => console.log(indent(stack, INDENT_SIZE * 2));

  function indent(string, times) {
    const prefix = " ".repeat(times);
    return string
      .split("\n")
      .map((l) => prefix + l)
      .join("\n");
  }

  if (test.status === 0) {
    reporter.pass(test.name);
  } else if (test.status === 1) {
    reporter.fail(`${test.name}\n`);
    reporter.reportStack(`${test.message}\n${test.stack}`);
    hasFailed = true;
  } else if (test.status === 2) {
    reporter.fail(`${test.name} (timeout)\n`);
    reporter.reportStack(`${test.message}\n${test.stack}`);
    hasFailed = true;
  } else if (test.status === 3) {
    reporter.fail(`${test.name} (incomplete)\n`);
    reporter.reportStack(`${test.message}\n${test.stack}`);
    hasFailed = true;
  } else if (test.status === 4) {
    reporter.fail(`${test.name} (precondition failed)\n`);
    reporter.reportStack(`${test.message}\n${test.stack}`);
    hasFailed = true;
  } else {
    reporter.fail(`unknown test status: ${test.status}`);
    hasFailed = true;
  }
});

globalThis.File = File;
globalThis.Blob = Blob;
globalThis.garbageCollect = () => {};
globalThis.test_blob = test_blob;
globalThis.test_blob_binary = test_blob_binary;
// Because WPT doesn't clean up after itself
globalThis.MessageChannel = class extends MessageChannel {
  constructor() {
    super();
    setTimeout(() => {
      this.port1.close();
      this.port2.close();
      this.port1.onmessage = this.port2.onmessage = null;
    }, 100);
  }
};

import("https://wpt.live/FileAPI/file/File-constructor.any.js");
import("https://wpt.live/FileAPI/blob/Blob-constructor.any.js");
import("https://wpt.live/FileAPI/blob/Blob-array-buffer.any.js");
import("https://wpt.live/FileAPI/blob/Blob-slice-overflow.any.js");
import("https://wpt.live/FileAPI/blob/Blob-slice.any.js");
import("https://wpt.live/FileAPI/blob/Blob-stream.any.js");
import("https://wpt.live/FileAPI/blob/Blob-text.any.js");
import("./own-misc-test.js");

if (hasFailed) {
  console.log("Tests failed");
  process.exit(1);
}