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// Copyright (c) 2025 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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import * as tty from 'node:tty';
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import { strictEqual, deepStrictEqual } from 'node:assert';
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export const ttyTest = {
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  test() {
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    // Note: test was generated by claude with manual tweaks
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    // Test that required exports exist
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    strictEqual(typeof tty.isatty, 'function');
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    strictEqual(typeof tty.ReadStream, 'function');
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    strictEqual(typeof tty.WriteStream, 'function');
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    // Test isatty function - should always return false
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    strictEqual(tty.isatty(0), false); // stdin
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    strictEqual(tty.isatty(1), false); // stdout
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    strictEqual(tty.isatty(2), false); // stderr
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    strictEqual(tty.isatty(3), false); // arbitrary fd
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    strictEqual(tty.isatty(-1), false); // invalid fd
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    strictEqual(tty.isatty(999), false); // high fd number
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    // Test ReadStream constructor - should succeed and store fd
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    const readStream = new tty.ReadStream(0);
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    strictEqual(readStream.fd, 0);
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    strictEqual(readStream.isRaw, false);
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    strictEqual(readStream.isTTY, false);
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    const readStream2 = new tty.ReadStream(1, {});
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    strictEqual(readStream2.fd, 1);
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    const readStream3 = new tty.ReadStream(2, { readable: true });
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    strictEqual(readStream3.fd, 2);
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    // Test WriteStream constructor - should succeed and store fd
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    const writeStream = new tty.WriteStream(1);
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    strictEqual(writeStream.fd, 1);
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    strictEqual(writeStream.columns, 0);
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    strictEqual(writeStream.rows, 0);
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    strictEqual(writeStream.isTTY, true);
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    const writeStream2 = new tty.WriteStream(2, {});
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    strictEqual(writeStream2.fd, 2);
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    const writeStream3 = new tty.WriteStream(1, { writable: true });
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    strictEqual(writeStream3.fd, 1);
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    // Test ReadStream prototype methods and properties
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    strictEqual(typeof tty.ReadStream.prototype.setRawMode, 'function');
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    // Test WriteStream prototype properties and methods
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    strictEqual(tty.WriteStream.prototype.isTTY, true);
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    strictEqual(typeof tty.WriteStream.prototype.getColorDepth, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.hasColors, 'function');
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    strictEqual(typeof tty.WriteStream.prototype._refreshSize, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.cursorTo, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.moveCursor, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.clearLine, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.clearScreenDown, 'function');
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    strictEqual(typeof tty.WriteStream.prototype.getWindowSize, 'function');
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    // Test WriteStream instance methods behavior
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    // Test getColorDepth - should return 8
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    const colorDepth = writeStream.getColorDepth();
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    strictEqual(colorDepth, 8);
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    // Test hasColors - should return false
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    const hasColors = writeStream.hasColors();
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    strictEqual(hasColors, false);
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    // Test _refreshSize - should be a no-op (not throw)
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    writeStream._refreshSize();
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    // Test getWindowSize - should return [columns, rows]
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    const windowSize = writeStream.getWindowSize();
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    deepStrictEqual(windowSize, [0, 0]);
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    // Test cursorTo - should be a no-op and return false
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    strictEqual(writeStream.cursorTo(10, 5), false);
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    let callbackCalled = false;
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    strictEqual(
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      writeStream.cursorTo(0, 0, () => {
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        callbackCalled = true;
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      }),
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      false
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    );
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    strictEqual(callbackCalled, true);
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    // Test cursorTo with callback as second argument
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    callbackCalled = false;
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    strictEqual(
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      writeStream.cursorTo(0, () => {
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        callbackCalled = true;
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      }),
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      false
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    );
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    strictEqual(callbackCalled, true);
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    // Test moveCursor - should be a no-op and return false
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    strictEqual(writeStream.moveCursor(1, 1), false);
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    callbackCalled = false;
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    strictEqual(
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      writeStream.moveCursor(-1, 0, () => {
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        callbackCalled = true;
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      }),
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      false
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    );
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    strictEqual(callbackCalled, true);
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    // Test clearLine - should be a no-op and return false
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    strictEqual(writeStream.clearLine(0), false);
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    callbackCalled = false;
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    strictEqual(
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      writeStream.clearLine(1, () => {
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        callbackCalled = true;
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      }),
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      false
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    );
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    strictEqual(callbackCalled, true);
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    // Test clearScreenDown - should be a no-op and return false
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    strictEqual(writeStream.clearScreenDown(), false);
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    callbackCalled = false;
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    strictEqual(
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      writeStream.clearScreenDown(() => {
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        callbackCalled = true;
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      }),
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      false
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    );
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    strictEqual(callbackCalled, true);
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    // Test ReadStream setRawMode - should set isRaw and return this
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    const setRawModeResult = readStream.setRawMode(true);
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    strictEqual(setRawModeResult, readStream);
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    strictEqual(readStream.isRaw, true);
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    const setRawModeFalseResult = readStream.setRawMode(false);
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    strictEqual(setRawModeFalseResult, readStream);
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    strictEqual(readStream.isRaw, false);
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    // Test edge cases for isatty
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    strictEqual(tty.isatty(Number.MAX_SAFE_INTEGER), false);
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    strictEqual(tty.isatty(Number.MIN_SAFE_INTEGER), false);
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    strictEqual(tty.isatty(0.5), false); // Non-integer
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    strictEqual(tty.isatty(NaN), false);
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    strictEqual(tty.isatty(Infinity), false);
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    strictEqual(tty.isatty(-Infinity), false);
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    // Test that constructors are functions
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    strictEqual(typeof tty.ReadStream, 'function');
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    strictEqual(typeof tty.WriteStream, 'function');
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    // Test default export
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    strictEqual(typeof tty.default, 'object');
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    strictEqual(tty.default.isatty, tty.isatty);
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    strictEqual(tty.default.ReadStream, tty.ReadStream);
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    strictEqual(tty.default.WriteStream, tty.WriteStream);
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    // Test hasColors with different arguments (should always return false)
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    strictEqual(writeStream.hasColors(), false);
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    strictEqual(writeStream.hasColors(8), false);
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    strictEqual(writeStream.hasColors(256), false);
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    // Test getColorDepth with different arguments (should always return 8)
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    strictEqual(writeStream.getColorDepth(), 8);
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    strictEqual(writeStream.getColorDepth({}), 8);
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    // Test setRawMode with different argument types
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    strictEqual(readStream.setRawMode(true), readStream);
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    strictEqual(readStream.setRawMode(false), readStream);
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    strictEqual(readStream.setRawMode(1), readStream);
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    strictEqual(readStream.setRawMode(0), readStream);
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    strictEqual(readStream.setRawMode('true'), readStream);
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  },
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};