#!/usr/bin/env python
"""
 APM automatic test suite
 Andrew Tridgell, October 2011
"""
from __future__ import print_function
import atexit
import fnmatch
import glob
import optparse
import os
import shutil
import signal
import sys
import time
import traceback

import apmrover2
import arducopter
import arduplane
import quadplane
from pysim import util

os.environ['PYTHONUNBUFFERED'] = '1'

os.putenv('TMPDIR', util.reltopdir('tmp'))


def get_default_params(atype, binary):
    """Get default parameters."""

    # use rover simulator so SITL is not starved of input
    from pymavlink import mavutil
    HOME = mavutil.location(40.071374969556928, -105.22978898137808, 1583.702759, 246)
    if binary.find("plane") != -1 or binary.find("rover") != -1:
        frame = "rover"
    else:
        frame = "+"

    home = "%f,%f,%u,%u" % (HOME.lat, HOME.lng, HOME.alt, HOME.heading)
    sitl = util.start_SITL(binary, wipe=True, model=frame, home=home, speedup=10, unhide_parameters=True)
    mavproxy = util.start_MAVProxy_SITL(atype)
    print("Dumping defaults")
    idx = mavproxy.expect(['Please Run Setup', 'Saved [0-9]+ parameters to (\S+)'])
    if idx == 0:
        # we need to restart it after eeprom erase
        util.pexpect_close(mavproxy)
        util.pexpect_close(sitl)
        sitl = util.start_SITL(binary, model=frame, home=home, speedup=10)
        mavproxy = util.start_MAVProxy_SITL(atype)
        idx = mavproxy.expect('Saved [0-9]+ parameters to (\S+)')
    parmfile = mavproxy.match.group(1)
    dest = util.reltopdir('../buildlogs/%s-defaults.parm' % atype)
    shutil.copy(parmfile, dest)
    util.pexpect_close(mavproxy)
    util.pexpect_close(sitl)
    print("Saved defaults for %s to %s" % (atype, dest))
    return True


def build_all():
    """Run the build_all.sh script."""
    print("Running build_all.sh")
    if util.run_cmd(util.reltopdir('Tools/scripts/build_all.sh'), directory=util.reltopdir('.')) != 0:
        print("Failed build_all.sh")
        return False
    return True


def build_binaries():
    """Run the build_binaries.sh script."""
    print("Running build_binaries.sh")
    import shutil
    # copy the script as it changes git branch, which can change the script while running
    orig = util.reltopdir('Tools/scripts/build_binaries.sh')
    copy = util.reltopdir('./build_binaries.sh')
    shutil.copyfile(orig, copy)
    shutil.copymode(orig, copy)
    if util.run_cmd(copy, directory=util.reltopdir('.')) != 0:
        print("Failed build_binaries.sh")
        return False
    return True


def build_devrelease():
    """Run the build_devrelease.sh script."""
    print("Running build_devrelease.sh")
    import shutil
    # copy the script as it changes git branch, which can change the script while running
    orig = util.reltopdir('Tools/scripts/build_devrelease.sh')
    copy = util.reltopdir('./build_devrelease.sh')
    shutil.copyfile(orig, copy)
    shutil.copymode(orig, copy)
    if util.run_cmd(copy, directory=util.reltopdir('.')) != 0:
        print("Failed build_devrelease.sh")
        return False
    return True


def build_examples():
    """Build examples."""
    for target in 'px4-v2', 'navio':
        print("Running build.examples for %s" % target)
        try:
            util.build_examples(target)
        except Exception as e:
            print("Failed build_examples on board=%s" % target)
            print(str(e))
            return False

    return True


def build_parameters():
    """Run the param_parse.py script."""
    print("Running param_parse.py")
    if util.run_cmd(util.reltopdir('Tools/autotest/param_metadata/param_parse.py'), directory=util.reltopdir('.')) != 0:
        print("Failed param_parse.py")
        return False
    return True


def convert_gpx():
    """Convert any tlog files to GPX and KML."""
    import glob
    mavlog = glob.glob(util.reltopdir("../buildlogs/*.tlog"))
    for m in mavlog:
        util.run_cmd(util.reltopdir("modules/mavlink/pymavlink/tools/mavtogpx.py") + " --nofixcheck " + m)
        gpx = m + '.gpx'
        kml = m + '.kml'
        util.run_cmd('gpsbabel -i gpx -f %s -o kml,units=m,floating=1,extrude=1 -F %s' % (gpx, kml), checkfail=False)
        util.run_cmd('zip %s.kmz %s.kml' % (m, m), checkfail=False)
        util.run_cmd("mavflightview.py --imagefile=%s.png %s" % (m, m))
    return True


def test_prerequisites():
    """Check we have the right directories and tools to run tests."""
    print("Testing prerequisites")
    util.mkdir_p(util.reltopdir('../buildlogs'))
    return True


def alarm_handler(signum, frame):
    """Handle test timeout."""
    global results, opts
    try:
        results.add('TIMEOUT', '<span class="failed-text">FAILED</span>', opts.timeout)
        util.pexpect_close_all()
        convert_gpx()
        write_fullresults()
        os.killpg(0, signal.SIGKILL)
    except Exception:
        pass
    sys.exit(1)


############## main program #############
parser = optparse.OptionParser("autotest")
parser.add_option("--skip", type='string', default='', help='list of steps to skip (comma separated)')
parser.add_option("--list", action='store_true', default=False, help='list the available steps')
parser.add_option("--viewerip", default=None, help='IP address to send MAVLink and fg packets to')
parser.add_option("--map", action='store_true', default=False, help='show map')
parser.add_option("--experimental", default=False, action='store_true', help='enable experimental tests')
parser.add_option("--timeout", default=3000, type='int', help='maximum runtime in seconds')
parser.add_option("--valgrind", default=False, action='store_true', help='run ArduPilot binaries under valgrind')
parser.add_option("--gdb", default=False, action='store_true', help='run ArduPilot binaries under gdb')
parser.add_option("--debug", default=False, action='store_true', help='make built binaries debug binaries')
parser.add_option("-j", default=None, type='int', help='build CPUs')

opts, args = parser.parse_args()


steps = [
    'prerequisites',
    'build.All',
    'build.Binaries',
    # 'build.DevRelease',
    'build.Examples',
    'build.Parameters',

    'build.ArduPlane',
    'defaults.ArduPlane',
    'fly.ArduPlane',
    'fly.QuadPlane',

    'build.APMrover2',
    'defaults.APMrover2',
    'drive.APMrover2',

    'build.ArduCopter',
    'defaults.ArduCopter',
    'fly.ArduCopter',

    'build.Helicopter',
    'fly.CopterAVC',

    'build.AntennaTracker',

    'convertgpx',
    ]

skipsteps = opts.skip.split(',')

# ensure we catch timeouts
signal.signal(signal.SIGALRM, alarm_handler)
signal.alarm(opts.timeout)

if opts.list:
    for step in steps:
        print(step)
    sys.exit(0)


def skip_step(step):
    """See if a step should be skipped."""
    for skip in skipsteps:
        if fnmatch.fnmatch(step.lower(), skip.lower()):
            return True
    return False


def binary_path(step, debug=False):
    if step.find("ArduCopter") != -1:
        binary_name = "arducopter"
    elif step.find("ArduPlane") != -1:
        binary_name = "arduplane"
    elif step.find("APMrover2") != -1:
        binary_name = "ardurover"
    elif step.find("AntennaTracker") != -1:
        binary_name = "antennatracker"
    elif step.find("CopterAVC") != -1:
        binary_name = "arducopter-heli"
    elif step.find("QuadPlane") != -1:
        binary_name = "arduplane"
    else:
        # cope with builds that don't have a specific binary
        return None

    if debug:
        binary_basedir = "sitl-debug"
    else:
        binary_basedir = "sitl"

    binary = util.reltopdir(os.path.join('build', binary_basedir, 'bin', binary_name))
    if not os.path.exists(binary):
        if os.path.exists(binary + ".exe"):
            binary += ".exe"
        else:
            raise ValueError("Binary (%s) does not exist" % (binary,))

    return binary


def run_step(step):
    """Run one step."""

    # remove old logs
    util.run_cmd('/bin/rm -f logs/*.BIN logs/LASTLOG.TXT')

    if step == "prerequisites":
        return test_prerequisites()

    if step == 'build.ArduPlane':
        return util.build_SITL('bin/arduplane', j=opts.j, debug=opts.debug)

    if step == 'build.APMrover2':
        return util.build_SITL('bin/ardurover', j=opts.j, debug=opts.debug)

    if step == 'build.ArduCopter':
        return util.build_SITL('bin/arducopter', j=opts.j, debug=opts.debug)

    if step == 'build.AntennaTracker':
        return util.build_SITL('bin/antennatracker', j=opts.j, debug=opts.debug)

    if step == 'build.Helicopter':
        return util.build_SITL('bin/arducopter-heli', j=opts.j, debug=opts.debug)

    binary = binary_path(step, debug=opts.debug)

    if step == 'defaults.ArduPlane':
        return get_default_params('ArduPlane', binary)

    if step == 'defaults.ArduCopter':
        return get_default_params('ArduCopter', binary)

    if step == 'defaults.APMrover2':
        return get_default_params('APMrover2', binary)

    if step == 'fly.ArduCopter':
        return arducopter.fly_ArduCopter(binary, viewerip=opts.viewerip, use_map=opts.map, valgrind=opts.valgrind, gdb=opts.gdb)

    if step == 'fly.CopterAVC':
        return arducopter.fly_CopterAVC(binary, viewerip=opts.viewerip, use_map=opts.map, valgrind=opts.valgrind, gdb=opts.gdb)

    if step == 'fly.ArduPlane':
        return arduplane.fly_ArduPlane(binary, viewerip=opts.viewerip, use_map=opts.map, valgrind=opts.valgrind, gdb=opts.gdb)

    if step == 'fly.QuadPlane':
        return quadplane.fly_QuadPlane(binary, viewerip=opts.viewerip, use_map=opts.map, valgrind=opts.valgrind, gdb=opts.gdb)

    if step == 'drive.APMrover2':
        return apmrover2.drive_APMrover2(binary, viewerip=opts.viewerip, use_map=opts.map, valgrind=opts.valgrind, gdb=opts.gdb)

    if step == 'build.All':
        return build_all()

    if step == 'build.Binaries':
        return build_binaries()

    if step == 'build.DevRelease':
        return build_devrelease()

    if step == 'build.Examples':
        return build_examples()

    if step == 'build.Parameters':
        return build_parameters()

    if step == 'convertgpx':
        return convert_gpx()

    raise RuntimeError("Unknown step %s" % step)


class TestResult(object):
    """Test result class."""
    def __init__(self, name, result, elapsed):
        self.name = name
        self.result = result
        self.elapsed = "%.1f" % elapsed


class TestFile(object):
    """Test result file."""
    def __init__(self, name, fname):
        self.name = name
        self.fname = fname


class TestResults(object):
    """Test results class."""
    def __init__(self):
        self.date = time.asctime()
        self.githash = util.run_cmd('git rev-parse HEAD', output=True, directory=util.reltopdir('.')).strip()
        self.tests = []
        self.files = []
        self.images = []

    def add(self, name, result, elapsed):
        """Add a result."""
        self.tests.append(TestResult(name, result, elapsed))

    def addfile(self, name, fname):
        """Add a result file."""
        self.files.append(TestFile(name, fname))

    def addimage(self, name, fname):
        """Add a result image."""
        self.images.append(TestFile(name, fname))

    def addglob(self, name, pattern):
        """Add a set of files."""
        import glob
        for f in glob.glob(util.reltopdir('../buildlogs/%s' % pattern)):
            self.addfile(name, os.path.basename(f))

    def addglobimage(self, name, pattern):
        """Add a set of images."""
        import glob
        for f in glob.glob(util.reltopdir('../buildlogs/%s' % pattern)):
            self.addimage(name, os.path.basename(f))


def write_webresults(results_to_write):
    """Write webpage results."""
    from pymavlink.generator import mavtemplate
    t = mavtemplate.MAVTemplate()
    for h in glob.glob(util.reltopdir('Tools/autotest/web/*.html')):
        html = util.loadfile(h)
        f = open(util.reltopdir("../buildlogs/%s" % os.path.basename(h)), mode='w')
        t.write(f, html, results_to_write)
        f.close()
    for f in glob.glob(util.reltopdir('Tools/autotest/web/*.png')):
        shutil.copy(f, util.reltopdir('../buildlogs/%s' % os.path.basename(f)))


def write_fullresults():
    """Write out full results set."""
    global results
    results.addglob("Google Earth track", '*.kmz')
    results.addfile('Full Logs', 'autotest-output.txt')
    results.addglob('DataFlash Log', '*-log.bin')
    results.addglob("MAVLink log", '*.tlog')
    results.addglob("GPX track", '*.gpx')
    results.addfile('ArduPlane build log', 'ArduPlane.txt')
    results.addfile('ArduPlane code size', 'ArduPlane.sizes.txt')
    results.addfile('ArduPlane stack sizes', 'ArduPlane.framesizes.txt')
    results.addfile('ArduPlane defaults', 'default_params/ArduPlane-defaults.parm')
    results.addglob("ArduPlane log", 'ArduPlane-*.BIN')
    results.addglob("ArduPlane core", 'ArduPlane.core')
    results.addglob("ArduPlane ELF", 'ArduPlane.elf')
    results.addfile('ArduCopter build log', 'ArduCopter.txt')
    results.addfile('ArduCopter code size', 'ArduCopter.sizes.txt')
    results.addfile('ArduCopter stack sizes', 'ArduCopter.framesizes.txt')
    results.addfile('ArduCopter defaults', 'default_params/ArduCopter-defaults.parm')
    results.addglob("ArduCopter log", 'ArduCopter-*.BIN')
    results.addglob("ArduCopter core", 'ArduCopter.core')
    results.addglob("ArduCopter elf", 'ArduCopter.elf')
    results.addglob("CopterAVC log", 'CopterAVC-*.BIN')
    results.addglob("CopterAVC core", 'CopterAVC.core')
    results.addfile('APMrover2 build log', 'APMrover2.txt')
    results.addfile('APMrover2 code size', 'APMrover2.sizes.txt')
    results.addfile('APMrover2 stack sizes', 'APMrover2.framesizes.txt')
    results.addfile('APMrover2 defaults', 'default_params/APMrover2-defaults.parm')
    results.addglob("APMrover2 log", 'APMrover2-*.BIN')
    results.addglob("APMrover2 core", 'APMrover2.core')
    results.addglob("APMrover2 ELF", 'APMrover2.elf')
    results.addfile('AntennaTracker build log', 'AntennaTracker.txt')
    results.addfile('AntennaTracker code size', 'AntennaTracker.sizes.txt')
    results.addfile('AntennaTracker stack sizes', 'AntennaTracker.framesizes.txt')
    results.addglob("AntennaTracker ELF", 'AntennaTracker.elf')
    results.addglob('APM:Libraries documentation', 'docs/libraries/index.html')
    results.addglob('APM:Plane documentation', 'docs/ArduPlane/index.html')
    results.addglob('APM:Copter documentation', 'docs/ArduCopter/index.html')
    results.addglob('APM:Rover documentation', 'docs/APMrover2/index.html')
    results.addglobimage("Flight Track", '*.png')

    write_webresults(results)


results = TestResults()


def check_logs(step):
    """Check for log files from a step."""
    print("check step: ", step)
    if step.startswith('fly.'):
        vehicle = step[4:]
    elif step.startswith('drive.'):
        vehicle = step[6:]
    else:
        return
    logs = glob.glob("logs/*.BIN")
    for log in logs:
        bname = os.path.basename(log)
        newname = util.reltopdir("../buildlogs/%s-%s" % (vehicle, bname))
        print("Renaming %s to %s" % (log, newname))
        os.rename(log, newname)

    corefile = "core"
    if os.path.exists(corefile):
        newname = util.reltopdir("../buildlogs/%s.core" % vehicle)
        print("Renaming %s to %s" % (corefile, newname))
        os.rename(corefile, newname)
        util.run_cmd('/bin/cp A*/A*.elf ../buildlogs', directory=util.reltopdir('.'))


def run_tests(steps):
    """Run a list of steps."""
    global results

    passed = True
    failed = []
    for step in steps:
        util.pexpect_close_all()
        if skip_step(step):
            continue

        t1 = time.time()
        print(">>>> RUNNING STEP: %s at %s" % (step, time.asctime()))
        try:
            if not run_step(step):
                print(">>>> FAILED STEP: %s at %s" % (step, time.asctime()))
                passed = False
                failed.append(step)
                results.add(step, '<span class="failed-text">FAILED</span>', time.time() - t1)
                continue
        except Exception as msg:
            passed = False
            failed.append(step)
            print(">>>> FAILED STEP: %s at %s (%s)" % (step, time.asctime(), msg))
            traceback.print_exc(file=sys.stdout)
            results.add(step, '<span class="failed-text">FAILED</span>', time.time() - t1)
            check_logs(step)
            continue
        results.add(step, '<span class="passed-text">PASSED</span>', time.time() - t1)
        print(">>>> PASSED STEP: %s at %s" % (step, time.asctime()))
        check_logs(step)
    if not passed:
        print("FAILED %u tests: %s" % (len(failed), failed))

    util.pexpect_close_all()

    write_fullresults()

    return passed


util.mkdir_p(util.reltopdir('../buildlogs'))

lckfile = util.reltopdir('../buildlogs/autotest.lck')
lck = util.lock_file(lckfile)
if lck is None:
    print("autotest is locked - exiting.  lckfile=(%s)" % (lckfile,))
    sys.exit(0)

atexit.register(util.pexpect_close_all)

if len(args) > 0:
    # allow a wildcard list of steps
    matched = []
    for a in args:
        arg_matched = False
        for s in steps:
            if fnmatch.fnmatch(s.lower(), a.lower()):
                matched.append(s)
                arg_matched = True
        if not arg_matched:
            print("No steps matched argument ({})".format(a))
            sys.exit(1)

    steps = matched

try:
    if not run_tests(steps):
        sys.exit(1)
except KeyboardInterrupt:
    util.pexpect_close_all()
    sys.exit(1)
except Exception:
    # make sure we kill off any children
    util.pexpect_close_all()
    raise