#!/usr/bin/env python
from __future__ import print_function
import optparse
import os
import subprocess
import sys

TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.dirname(TOOLS_DIR))
ROOT_DIR = os.path.dirname(TOOLS_DIR)

# check for the venv
from tools.lib import sanity_check
sanity_check.check_venv(__file__)

USAGE = '''
    tools/test-js-with-node                      - to run all tests
    tools/test-js-with-node util.js activity.js  - to run just a couple tests
    tools/test-js-with-node --coverage           - to generage coverage report
    '''

parser = optparse.OptionParser(USAGE)
parser.add_option('--coverage', dest='coverage',
                  action="store_true",
                  default=False, help='Get coverage report')
parser.add_option('--force', dest='force',
                  action="store_true",
                  default=False, help='Run tests despite possible problems.')
(options, args) = parser.parse_args()

from tools.lib.test_script import get_provisioning_status

if not options.force:
    ok, msg = get_provisioning_status()
    if not ok:
        print(msg)
        print('If you really know what you are doing, use --force to run anyway.')
        sys.exit(1)

os.environ['NODE_PATH'] = 'static'
os.environ['TZ'] = 'UTC'

INDEX_JS = 'frontend_tests/zjsunit/index.js'

# The index.js test runner is the real "driver" here, and we launch
# with either istanbul or node, depending on whether we want coverage
# reports.  Running under istanbul is slower and creates funny
# tracebacks, so you generally want to get coverage reports only
# after making sure tests will pass.
if options.coverage:
    if args:
        print('BAD ARGS! Coverage reports run against all files.')
        sys.exit(1)

    istanbul = os.path.join(ROOT_DIR, 'node_modules/.bin/istanbul')
    command = [istanbul, 'cover', INDEX_JS, '--dir', 'var/node-coverage']
else:
    # Normal testing, no coverage analysis.
    # Run the index.js test runner, which runs all the other tests.
    command = ['node', '--stack-trace-limit=100', INDEX_JS] + args

# If we got this far, we can run the tests!
try:
    ret = subprocess.check_call(command)
except OSError:
    print('Bad command: %s' % (command,))
    raise

if ret == 0:
    print("Test(s) passed. SUCCESS!")
else:
    print("FAIL - Test(s) failed")

sys.exit(ret)