# Copyright 2019 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Helper to find the path to the correct third_party directory
"""

from os import path
import sys
import platform


# Find the root path of the checkout.
# In the Chromium repository, this is the src/chromium directory.
# In the external repository, standalone build, this is the devtools-frontend directory.
# In the external repository, integrated build, this is the src/chromium directory.
def root_path():
    SCRIPTS_PATH = path.dirname(path.abspath(__file__))
    ABS_DEVTOOLS_PATH = path.dirname(SCRIPTS_PATH)
    PARENT_PATH = path.dirname(ABS_DEVTOOLS_PATH)
    # TODO(1011259): remove Chromium repository handling
    if path.basename(PARENT_PATH) == 'renderer':
        # Chromium repository
        return path.dirname(path.dirname(path.dirname(PARENT_PATH)))
    elif path.basename(PARENT_PATH) == 'devtools-frontend' or path.basename(
            PARENT_PATH) == 'devtools-frontend-internal':
        # External repository, integrated build
        return path.dirname(path.dirname(PARENT_PATH))
    else:
        # External repository, standalone build
        return ABS_DEVTOOLS_PATH


# This is the third_party path relative to the root of the checkout.
def third_party_path():
    return path.join(root_path(), 'third_party')


# This points to the node binary downloaded as part of the checkout.
def node_path():
    try:
        old_sys_path = sys.path[:]
        sys.path.append(path.join(third_party_path(), 'node'))
        import node
    finally:
        sys.path = old_sys_path
    return node.GetBinaryPath()


def devtools_root_path():
    return path.dirname((path.dirname(path.abspath(__file__))))


def node_modules_path():
    return path.join(devtools_root_path(), 'node_modules')


def eslint_path():
    return path.join(node_modules_path(), 'eslint', 'bin', 'eslint.js')


def mocha_path():
    return path.join(node_modules_path(), 'mocha', 'bin', 'mocha')


def karma_path():
    return path.join(node_modules_path(), 'karma', 'bin', 'karma')


def typescript_compiler_path():
    return path.join(node_modules_path(), 'typescript', 'bin', 'tsc')


def hosted_mode_script_path():
    return path.join(devtools_root_path(), 'scripts', 'hosted_mode',
                     'server.js')


def esbuild_path():
    return path.join(devtools_root_path(), 'third_party', 'esbuild', 'esbuild')


def downloaded_chrome_binary_path():
    return path.abspath(
        path.join(
            *{
                'Linux': (devtools_root_path(), 'third_party', 'chrome',
                          'chrome-linux', 'chrome'),
                'Darwin': (devtools_root_path(), 'third_party', 'chrome',
                           'chrome-mac', 'Google Chrome for Testing.app',
                           'Contents', 'MacOS', 'Google Chrome for Testing'),
                'Windows': (devtools_root_path(), 'third_party', 'chrome',
                            'chrome-win', 'chrome.exe'),
            }[platform.system()]))


def license_checker_path():
    return path.join(node_modules_path(), 'license-checker', 'bin',
                     'license-checker')


def rollup_path():
    return path.join(
        node_modules_path(),
        '@rollup',
        'wasm-node',
        'dist',
        'bin',
        'rollup',
    )


def package_lock_json_path():
    return path.join(devtools_root_path(), 'package-lock.json')


def package_json_path():
    return path.join(devtools_root_path(), 'package.json')


def browser_protocol_path():
    return path.join(third_party_path(), 'blink', 'public',
                     'devtools_protocol', 'browser_protocol.pdl')