#!/usr/bin/python3

# ## {R2D2919B742E} ##
# ###########################################################################
# What if magic existed?
# What if a place existed where your every thought and dream come to life.
# There is only one catch: it has to be written down.
# Such a place exists, it is called programming.
#    - Scott Taylor Reph, RightThumb.com
# ###########################################################################
# ## {C3P0D40fAe8B} ##

import os
import sys
import time
##################################################
import _rightThumb._construct as __
appDBA = __.clearFocus( __name__, __file__ )
__.appReg = appDBA
def focus( parentApp='', childApp='', reg=True ):
    global appDBA
    f = __.appName( appDBA, parentApp, childApp )
    if reg:
        __.appReg = f
    return f
__.registeredApps.append( focus() )
import _rightThumb._base3 as _
_.load()
##################################################
import _rightThumb._vars as _v
import _rightThumb._string as _str
##################################################

def appSwitches():

    _.switches.register( 'Files', '-f,-file,-files','file.txt', isPipe=True, description='Files' )
    
    _.switches.register( 'Length', '-length' )

    _.switches.register( 'Top', '-top' )
    _.switches.register( 'Tail', '-tail' )
    _.switches.register( 'Sample', '-sample' )


_.autoBackupData = False
__.isRequired_Pipe = False
__.isRequired_Pipe_or_File = True
# __.isRequired_or_List = ['Pipe','Files','Plus']

_.appInfo[focus()] = {
    'file': 'filePart.py',
    'liveAppName': __.thisApp( __file__ ),
     'description': 'Return part of file',
    'categories': [
                        'peek',
                        'file',
                        'sample',
                ],
    'usage': [
                        # 'epy another',
                        # 'e nmap',
                        # '',
    ],
    'relatedapps': [
                        # 'p another -file file.txt',
                        # '',
    ],
    'prerequisite': [
                        # 'p another -file file.txt',
                        # '',
    ],
    'examples': [
                        'p thisApp -file file.txt',
                        '',
    ],
    'columns': [
                       # { 'name': 'name', 'abbreviation': 'n' },
                       # { 'name': '{1}', 'abbreviation': '{0}', 'sort': '{2}' },
    ],
    'aliases': [
                       # 'this',
                       # 'app',
    ],
    'notes': [
                       # {},
    ],
}

_.appData[focus()] = {
        'start': __.startTime,
        'uuid': '',
        'audit': [],
        'pipe': False,
        'data': {
                    'field': {'sent': [], 'received': [] }, # { 'label': '', 'context': [],  }
                    'table': {'sent': [], 'received': [] }, 
        },
    }



def registerSwitches( argvProcessForce=False ):
    global appDBA
    if not __.appReg == appDBA and appDBA in __.appReg:

        if not __name__ == '__main__':
            _.argvProcess = argvProcessForce
        else:
            _.argvProcess = True

        _.load()
        _.appInfo[__.appReg] = _.appInfo[appDBA]
        _.appData[__.appReg] = _.appData[appDBA]
    __.constructRegistration( _.appInfo[__.appReg]['file'],__.appReg )
    appSwitches()

    _.myFileLocation_Print = False
    __.myFileLocations_SKIP_VALIDATION = False
    _.switches.trigger( 'Files', _.myFileLocations )
    _.switches.trigger( 'Folder', _.myFolderLocations )
    _.switches.trigger( 'URL', _.urlTrigger )
    
    
    _.defaultScriptTriggers()
    _.switches.process()


if not __name__ == '__main__':
    _.argvProcess = False
else:
    _.argvProcess = True

registerSwitches()


def fieldSet( switchName, switchField, switchValue, theFocus=False ):
    if not type( theFocus ) == bool:
        theFocus = theFocus
    _.switches.fieldSet( switchName, switchField, switchValue, theFocus )


if __name__ == '__main__':
    if not sys.stdin.isatty():
        _.setPipeData( sys.stdin.readlines(), __.appReg, clean=True )


_.postLoad( __file__ )

########################################################################################
# START



def action():
    
    if _.switches.isActive('Length'):
        _.pr( len( _.isData(required=True) ) )

    if _.switches.isActive('Top'):
        end = int( _.switches.value('Top') )
        for i,row in enumerate(_.isData(required=True)):
            if i <= end:
                _.pr(row)

    if _.switches.isActive('Sample'):
        start = int( _.switches.values('Sample')[0] )
        try:
            end = int( _.switches.values('Sample')[1] )
        except Exception as e:
            end = len(_.isData(required=True))
        for i,row in enumerate(_.isData(required=True)):
            if i >= start:
                if i <= end:
                    _.pr(row)

    if _.switches.isActive('Tail'):
        end = int( _.switches.value('Tail') )
        results = []
        data = _.isData(required=True)
        data.reverse()
        for i,row in enumerate(data):
            if i <= end:
                results.append(row)
        results.reverse()
        for x in results:
            _.pr(x)

########################################################################################
if __name__ == '__main__':
    action()







