import win32serviceutil
import win32service
import win32event
import servicemanager
import logging.handlers
import sys
from flask import Flask

log_file_path = "c:pythonsearchsearch_server.log"  # Put full path name here
mylogger = logging.getLogger("TestLogger")
mylogger.setLevel(logging.INFO)
handler = logging.handlers.RotatingFileHandler(log_file_path)
mylogger.addHandler(handler)


app = Flask(__name__)


@app.route('/')
def index():
    mylogger.info("-"*80)
    mylogger.info("-- Web request made")
    mylogger.info("-"*80)
    return "Hello, World!"


def run_my_webservice():
    print("Starting Web Service")
    mylogger.info("Starting Web Service")

    try:
        app.run(debug=False)
        mylogger.info("Web Service has been stopped")
        print("Web Service has been stopped")
    except AttributeError as err:
        mylogger.info("  Attribute Error")
        for arg in err.args:
            mylogger.info("    " + arg)
    except:
        mylogger.info("Unexpected error:")
        mylogger.info(sys.exc_info()[0])


class AppServerSvc(win32serviceutil.ServiceFramework):
    _svc_name_ = "TestService"
    _svc_display_name_ = "Test Service"
    _svc_description_ = "New Test Service"

    def __init__(self, args):
        mylogger.info('Init')
        win32serviceutil.ServiceFramework.__init__(self, args)
        self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)

    def SvcStop(self):
        mylogger.info('Stop')
        self.stop()
        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
        win32event.SetEvent(self.hWaitStop)

    def SvcDoRun(self):
        mylogger.info('Run')
        self.start()
        servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE, servicemanager.PYS_SERVICE_STARTED,
                              (self._svc_name_, ''))
        self.main()

    def start(self):
        mylogger.info('Start')

    def stop(self):
        mylogger.info('Start')

    def main(self):
        mylogger.info('Main')
        run_my_webservice()
        mylogger.info('End of main - should not be hit while webservice is still running.')


if __name__ == '__main__':
    mylogger.info("")
    mylogger.info("-" * 80)
    mylogger.info('Called with command args:')

    for arg in sys.argv:
        mylogger.info("    " + arg)

    mylogger.info("-" * 80)

    if len(sys.argv) == 1:
        AppServerSvc.main(AppServerSvc)
    else:
        win32serviceutil.HandleCommandLine(AppServerSvc)

--------------------------------------------------------------------------------
Called with command args:
    servicetest.py
--------------------------------------------------------------------------------
Main
Starting Web Service
--------------------------------------------------------------------------------
-- Web request made
--------------------------------------------------------------------------------
Web Service has been stopped
End of main - should not be hit while webservice is still running.

--------------------------------------------------------------------------------
Called with command args:
    servicetest.py
    install
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
Called with command args:
    servicetest.py
    start
--------------------------------------------------------------------------------
Init
Run
Start
Main
Starting Web Service
  Attribute Error
    'NoneType' object has no attribute 'write'
End of main - should not be hit while webservice is still running.