#!/usr/bin/env python
#
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# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
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# copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# This permission notice shall be included in all copies or
# substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHOR(S) BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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# DEALINGS IN THE SOFTWARE.


from getopt import getopt, GetoptError
import os.path as path
import re
import sys, os
import time
import traceback

sys.path.append(path.dirname(path.realpath(sys.argv[0])))
import framework.core as core
from framework.threads import synchronized_self

#############################################################################
##### Main program
#############################################################################
def usage():
	USAGE = """\
Usage: %(progName)s [options] [profile.tests] [results]

Options:
  -h, --help                Show this message
  -d, --dry-run             Do not execute the tests
  -t regexp, --tests=regexp Run only matching tests (can be used more
                            than once)
  -x regexp, --exclude-tests=regexp Excludey matching tests (can be used
                            more than once)
  -n name, --name=name      Name of the testrun
  -c bool, --concurrent=bool  Enable/disable concurrent test runs. Valid
			      option values are: 0, 1, on, off.  (default: on)
Example:
  %(progName)s tests/all.tests results/all
         Run all tests, store the results in the directory results/all

  %(progName)s -t basic tests/all.tests results/all
         Run all tests whose path contains the word 'basic'

  %(progName)s -t ^glean/ -t tex tests/all.tests results/all
         Run all tests that are in the 'glean' group or whose path contains
		 the substring 'tex'
"""
	print USAGE % {'progName': sys.argv[0]}
	sys.exit(1)

def main():
	env = core.Environment()

	try:
		option_list = [
			 "help",
			 "dry-run",
			 "tests=",
			 "name=",
			 "exclude-tests=",
			 "concurrent=",
			 ]
		options, args = getopt(sys.argv[1:], "hdt:n:x:c:", option_list)
	except GetoptError:
		usage()

	OptionName = ''

	for name, value in options:
		if name in ('-h', '--help'):
			usage()
		elif name in ('-d', '--dry-run'):
			env.execute = False
		elif name in ('-t', '--tests'):
			env.filter[:0] = [re.compile(value)]
		elif name in ('-x', '--exclude-tests'):
			env.exclude_filter[:0] = [re.compile(value)]
		elif name in ('-n', '--name'):
			OptionName = value
		elif name in ('-c, --concurrent'):
			if value in ('1', 'on'):
				env.concurrent = True
			elif value in ('0', 'off'):
				env.concurrent = False
			else:
				usage()

	if len(args) != 2:
		usage()

	profileFilename = args[0]
	resultsDir = args[1]

	# Change to the piglit's path
	piglit_dir = path.dirname(path.realpath(sys.argv[0]))
	os.chdir(piglit_dir)

	core.checkDir(resultsDir, False)

	results = core.TestrunResult()

	# Set results.name
	if OptionName is '':
		results.name = path.basename(resultsDir)
	else:
		results.name = OptionName

	# Begin json.
	result_filepath = os.path.join(resultsDir, 'main')
	result_file = open(result_filepath, 'w')
	json_writer = core.JSONWriter(result_file)
	json_writer.open_dict()

	json_writer.write_dict_item('name', results.name)
	for (key, value) in env.collectData().items():
		json_writer.write_dict_item(key, value)

	profile = core.loadTestProfile(profileFilename, resultsDir)
	time_start = time.time()

	profile.run(env, json_writer)

	time_end = time.time()
	results.time_elapsed = time_end - time_start
	json_writer.write_dict_item('time_elapsed', results.time_elapsed)

	# End json.
	json_writer.close_dict()
	json_writer.file.close()

	print
	print 'Thank you for running Piglit!'
	print 'Results have been written to ' + result_filepath

if __name__ == "__main__":
	main()