from setuptools import setup, Command
from setuptools.command.egg_info import egg_info
from subprocess import check_call
from distutils import log
import versioneer

import os
import sys
import platform
import json


here = os.path.dirname(os.path.abspath(__file__))
node_root = os.path.join(here, 'js')
is_repo = os.path.exists(os.path.join(here, '.git'))

npm_path = os.pathsep.join([
    os.path.join(node_root, 'node_modules', '.bin'),
                os.environ.get('PATH', os.defpath),
])


# Load plotly.js version from js/package.json
def plotly_js_version():
    with open('js/package.json', 'rt') as f:
        package_json = json.load(f)
        version = package_json['dependencies']['plotly.js']

    return version


def readme():
    with open('README.md') as f:
        return f.read()


def js_prerelease(command, strict=False):
    """decorator for building minified js/css prior to another command"""
    class DecoratedCommand(command):
        def run(self):
            jsdeps = self.distribution.get_command_obj('jsdeps')
            if not is_repo and all(os.path.exists(t) for t in jsdeps.targets):
                # sdist, nothing to do
                command.run(self)
                return

            try:
                self.distribution.run_command('jsdeps')
            except Exception as e:
                missing = [t for t in jsdeps.targets if not os.path.exists(t)]
                if strict or missing:
                    log.warn('rebuilding js and css failed')
                    if missing:
                        log.error('missing files: %s' % missing)
                    raise e
                else:
                    log.warn('rebuilding js and css failed (not a problem)')
                    log.warn(str(e))
            command.run(self)
            update_package_data(self.distribution)
    return DecoratedCommand


def update_package_data(distribution):
    """update package_data to catch changes during setup"""
    build_py = distribution.get_command_obj('build_py')
    # distribution.package_data = find_package_data()
    # re-init build_py options which load package_data
    build_py.finalize_options()


class NPM(Command):
    description = 'install package.json dependencies using npm'

    user_options = []

    node_modules = os.path.join(node_root, 'node_modules')

    targets = [
        os.path.join(here, 'plotlywidget', 'static', 'extension.js'),
        os.path.join(here, 'plotlywidget', 'static', 'index.js')
    ]

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def get_npm_name(self):
        npmName = 'npm'
        if platform.system() == 'Windows':
            npmName = 'npm.cmd'

        return npmName

    def has_npm(self):
        npmName = self.get_npm_name();
        try:
            check_call([npmName, '--version'])
            return True
        except:
            return False

    def should_run_npm_install(self):
        package_json = os.path.join(node_root, 'package.json')
        node_modules_exists = os.path.exists(self.node_modules)
        return self.has_npm()

    def run(self):
        has_npm = self.has_npm()
        if not has_npm:
            log.error(
                "`npm` unavailable.  If you're running this command using sudo, make sure `npm` is available to sudo")

        env = os.environ.copy()
        env['PATH'] = npm_path

        if self.should_run_npm_install():
            log.info("Installing build dependencies with npm.  This may take a while...")
            npmName = self.get_npm_name();
            check_call([npmName, 'install'], cwd=node_root, stdout=sys.stdout, stderr=sys.stderr)
            os.utime(self.node_modules, None)

        for t in self.targets:
            if not os.path.exists(t):
                msg = 'Missing file: %s' % t
                if not has_npm:
                    msg += '\nnpm is required to build a development version of widgetsnbextension'
                raise ValueError(msg)

        # update package data in case this created new files
        update_package_data(self.distribution)


class CodegenCommand(Command):
    description = 'Generate class hierarchy from Plotly JSON schema'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        if sys.version_info.major != 3 or sys.version_info.minor < 6:
            raise ImportError(
                'Code generation must be executed with Python >= 3.6')

        from codegen import perform_codegen
        perform_codegen()


def overwrite_schema(url):
    import requests
    req = requests.get(url)
    assert req.status_code == 200
    with open('plotly/package_data/plot-schema.json', 'wb') as f:
        f.write(req.content)


def overwrite_bundle(url):
    import requests
    req = requests.get(url)
    assert req.status_code == 200
    with open('plotly/package_data/plotly.min.js', 'wb') as f:
        f.write(req.content)


def overwrite_plotlyjs_version_file(plotlyjs_version):
    with open('plotly/offline/_plotlyjs_version.py', 'w') as f:
        f.write("""\
# DO NOT EDIT
# This file is generated by the updatebundle setup.py command
__plotlyjs_version__ = '{plotlyjs_version}'
""".format(plotlyjs_version=plotlyjs_version))


def overwrite_plotlywidget_version_file(version):
    with open('plotly/_widget_version.py', 'w') as f:
        f.write("""\
# This file is generated by the updateplotlywidgetversion setup.py command
# for automated dev builds
#
# It is edited by hand prior to official releases
__frontend_version__ = '{version}'
""".format(version=version))


def request_json(url):
    import requests
    req = requests.get(url)
    return json.loads(req.content.decode('utf-8'))


def get_latest_publish_build_info(branch):

    url = (r'https://circleci.com/api/v1.1/project/github/'
           r'plotly/plotly.js/tree/{branch}?limit=10000\&filter=completed'
           ).format(branch=branch)

    branch_jobs = request_json(url)

    # Get most recent successful publish build for branch
    builds = [j for j in branch_jobs
              if j.get('workflows', {}).get('job_name', None) == 'publish'
              and j.get('status', None) == 'success']
    build = builds[0]

    # Extract build info
    return {p: build[p] for p in ['vcs_revision', 'build_num', 'committer_date']}


def get_bundle_schema_urls(build_num):
    url = ('https://circleci.com/api/v1.1/project/github/'
           'plotly/plotly.js/{build_num}/artifacts'
           ).format(build_num=build_num)

    artifacts = request_json(url)

    # Find archive
    archives = [a for a in artifacts if a.get('path', None) == 'plotly.js.tgz']
    archive = archives[0]

    # Find bundle
    bundles = [a for a in artifacts if
               a.get('path', None) == 'dist/plotly.min.js']
    bundle = bundles[0]

    # Find schema
    schemas = [a for a in artifacts if
               a.get('path', None) == 'dist/plot-schema.json']
    schema = schemas[0]

    return archive['url'], bundle['url'], schema['url']


class UpdateSchemaCommand(Command):
    description = 'Download latest version of the plot-schema JSON file'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        url = ('https://raw.githubusercontent.com/plotly/plotly.js/'
               'v%s/dist/plot-schema.json' % plotly_js_version())
        overwrite_schema(url)


class UpdateBundleCommand(Command):
    description = 'Download latest version of the plot-schema JSON file'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        url = ('https://raw.githubusercontent.com/plotly/plotly.js/'
               'v%s/dist/plotly.min.js' % plotly_js_version())
        overwrite_bundle(url)

        # Write plotly.js version file
        plotlyjs_version = plotly_js_version()
        overwrite_plotlyjs_version_file(plotlyjs_version)


class UpdatePlotlyJsCommand(Command):
    description = 'Update project to a new version of plotly.js'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        self.run_command('updatebundle')
        self.run_command('updateschema')
        self.run_command('codegen')


class UpdateBundleSchemaDevCommand(Command):
    description = 'Update the plotly.js schema and bundle from master'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        branch = 'master'
        build_info = get_latest_publish_build_info(branch)

        archive_url, bundle_url, schema_url = get_bundle_schema_urls(
            build_info['build_num'])

        # Update bundle in package data
        overwrite_bundle(bundle_url)

        # Update schema in package data
        overwrite_schema(schema_url)

        # Update plotly.js url in package.json
        package_json_path = os.path.join(node_root, 'package.json')
        with open(package_json_path, 'r') as f:
            package_json = json.load(f)

        # Replace version with bundle url
        package_json['dependencies']['plotly.js'] = archive_url
        with open(package_json_path, 'w') as f:
            json.dump(package_json, f, indent=2)

        # update plotly.js version in _plotlyjs_version
        rev = build_info['vcs_revision']
        date = build_info['committer_date']
        version = '_'.join([branch, date[:10], rev[:8]])
        overwrite_plotlyjs_version_file(version)


class UpdatePlotlyJsDevCommand(Command):
    description = 'Update project to a new development version of plotly.js'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        self.run_command('updatebundleschemadev')
        self.run_command('jsdeps')
        self.run_command('codegen')


class UpdatePlotlywidgetVersionCommand(Command):
    description = 'Update package.json version of plotlywidget'
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        from plotly._version import git_pieces_from_vcs, render

        # Update plotly.js url in package.json
        package_json_path = os.path.join(node_root, 'package.json')
        with open(package_json_path, 'r') as f:
            package_json = json.load(f)

        # Replace version with bundle url
        root = os.path.dirname(os.path.realpath(__file__))
        pieces = git_pieces_from_vcs('widget-v', root, False)
        pieces['dirty'] = False
        widget_ver = render(pieces, 'pep440')['version']

        package_json['version'] = widget_ver
        with open(package_json_path, 'w') as f:
            json.dump(package_json, f, indent=2)

        # write _widget_version
        overwrite_plotlywidget_version_file(widget_ver)


graph_objs_packages = [
    d[0] for d in os.walk('plotly/graph_objs')
    if not d[0].endswith('__pycache__')]


validator_packages = [
    d[0] for d in os.walk('plotly/validators')
    if not d[0].endswith('__pycache__')]

versioneer_cmds = versioneer.get_cmdclass()
setup(name='plotly',
      version=versioneer.get_version(),
      use_2to3=False,
      author='Chris P',
      author_email='chris@plot.ly',
      maintainer='Jon Mease',
      maintainer_email='jon@plot.ly',
      url='https://plot.ly/python/',
      project_urls={"Github": "https://github.com/plotly/plotly.py"},
      description="An open-source, interactive graphing library for Python",
      long_description=readme(),
      long_description_content_type="text/markdown",
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Topic :: Scientific/Engineering :: Visualization',
      ],
      license='MIT',
      packages=['plotly',
                'plotlywidget',
                'plotly/plotly',
                'plotly/figure_factory',
                'plotly/offline',
                'plotly/io',
                'plotly/matplotlylib',
                'plotly/matplotlylib/mplexporter',
                'plotly/matplotlylib/mplexporter/renderers',
                'chart_studio',
                'chart_studio/api',
                'chart_studio/api/v1',
                'chart_studio/api/v2',
                'chart_studio/dashboard_objs',
                'chart_studio/grid_objs',
                'chart_studio/plotly',
                'chart_studio/plotly/chunked_requests',
                'chart_studio/presentation_objs',
                'chart_studio/widgets',
                '_plotly_utils',
                '_plotly_future_',
                ] + graph_objs_packages + validator_packages,
      package_data={'plotly': ['package_data/*', 'package_data/templates/*'],
                    'plotlywidget': ['static/extension.js',
                                     'static/index.js']},
      data_files=[
          ('share/jupyter/nbextensions/plotlywidget', [
              'plotlywidget/static/extension.js',
              'plotlywidget/static/index.js',
          ]),
          ('etc/jupyter/nbconfig/notebook.d', ['plotlywidget.json']),
      ],
      install_requires=['decorator>=4.0.6',
                        'nbformat>=4.2',
                        'pytz',
                        'requests',
                        'retrying>=1.3.3',
                        'six'],
      zip_safe=False,
      cmdclass=dict(
          build_py=js_prerelease(versioneer_cmds['build_py']),
          egg_info=js_prerelease(egg_info),
          sdist=js_prerelease(versioneer_cmds['sdist'], strict=True),
          jsdeps=NPM,
          codegen=CodegenCommand,
          updateschema=UpdateSchemaCommand,
          updatebundle=UpdateBundleCommand,
          updateplotlyjs=js_prerelease(UpdatePlotlyJsCommand),
          updatebundleschemadev=UpdateBundleSchemaDevCommand,
          updateplotlyjsdev=UpdatePlotlyJsDevCommand,
          updateplotlywidgetversion=UpdatePlotlywidgetVersionCommand,
          version=versioneer_cmds['version']
      ))