# 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/.

import os

import httplib2
import mozfile
import mozinstall
from mozprofile import Profile
from mozrunner import FirefoxRunner


class TPSFirefoxRunner(object):

    PROCESS_TIMEOUT = 240

    def __init__(self, binary):
        if binary is not None and ("http://" in binary or "ftp://" in binary):
            self.url = binary
            self.binary = None
        else:
            self.url = None
            self.binary = binary

        self.installdir = None

    def __del__(self):
        if self.installdir:
            mozfile.remove(self.installdir, True)

    def download_url(self, url, dest=None):
        h = httplib2.Http()
        resp, content = h.request(url, "GET")
        if dest is None:
            dest = os.path.basename(url)

        local = open(dest, "wb")
        local.write(content)
        local.close()
        return dest

    def download_build(self, installdir="downloadedbuild", appname="firefox"):
        self.installdir = os.path.abspath(installdir)
        buildName = os.path.basename(self.url)
        pathToBuild = os.path.join(
            os.path.dirname(os.path.abspath(__file__)), buildName
        )

        # delete the build if it already exists
        if os.access(pathToBuild, os.F_OK):
            os.remove(pathToBuild)

        # download the build
        print("downloading build")
        self.download_url(self.url, pathToBuild)

        # install the build
        print("installing {}".format(pathToBuild))
        mozfile.remove(self.installdir, True)
        binary = mozinstall.install(src=pathToBuild, dest=self.installdir)

        # remove the downloaded archive
        os.remove(pathToBuild)

        return binary

    def run(self, profile=None, timeout=PROCESS_TIMEOUT, env=None, args=None):
        """Runs the given FirefoxRunner with the given Profile, waits
        for completion, then returns the process exit code
        """
        if profile is None:
            profile = Profile()
        self.profile = profile

        if self.binary is None and self.url:
            self.binary = self.download_build()

        runner = FirefoxRunner(
            profile=self.profile, binary=self.binary, env=env, cmdargs=args
        )

        runner.start(timeout=timeout)
        return runner.wait()
