# 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/.

from __future__ import absolute_import

import re
import os.path


class TPSTestPhase(object):

    lineRe = re.compile(
        r'^(.*?)test phase (?P<matchphase>[^\s]+): (?P<matchstatus>.*)$')

    def __init__(self, phase, profile, testname, testpath, logfile, env,
                 firefoxRunner, logfn, ignore_unused_engines=False):
        self.phase = phase
        self.profile = profile
        self.testname = str(testname)  # this might be passed in as unicode
        self.testpath = testpath
        self.logfile = logfile
        self.env = env
        self.firefoxRunner = firefoxRunner
        self.log = logfn
        self.ignore_unused_engines = ignore_unused_engines
        self._status = None
        self.errline = ''

    @property
    def status(self):
        return self._status if self._status else 'unknown'

    def run(self):
        # launch Firefox

        prefs = {
            "testing.tps.testFile": os.path.abspath(self.testpath),
            "testing.tps.testPhase": self.phase,
            "testing.tps.logFile": self.logfile,
            "testing.tps.ignoreUnusedEngines": self.ignore_unused_engines
        }

        self.profile.set_preferences(prefs)

        self.log('\nLaunching Firefox for phase %s with prefs %s\n' %
                 (self.phase, str(prefs)))

        self.firefoxRunner.run(env=self.env,
                               args=[],
                               profile=self.profile)

        # parse the logfile and look for results from the current test phase
        found_test = False
        f = open(self.logfile, 'r')
        for line in f:

            # skip to the part of the log file that deals with the test we're running
            if not found_test:
                if line.find('Running test %s' % self.testname) > -1:
                    found_test = True
                else:
                    continue

            # look for the status of the current phase
            match = self.lineRe.match(line)
            if match:
                if match.group('matchphase') == self.phase:
                    self._status = match.group('matchstatus')
                    break

            # set the status to FAIL if there is TPS error
            if line.find('CROSSWEAVE ERROR: ') > -1 and not self._status:
                self._status = 'FAIL'
                self.errline = line[line.find('CROSSWEAVE ERROR: ') + len('CROSSWEAVE ERROR: '):]

        f.close()
