# coding=utf-8

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

from past.builtins import basestring  # noqa
__author__ = 'shaman'


class LVEStat:
    __slots__ = (
        '_get_attributes',
        '_set_attributes',
        'reseller_id',
        'id',
        'mep',
        'cpu',
        'io',
        'cpu_usage',
        'mem_usage',
        'io_usage',
        'lmem',
        'lep',
        'ncpu',
        'mem_fault',
        'mep_fault',
        'lmemphy',
        'lcpuw',
        'lnproc',
        'memphy',
        'memphy_fault',
        'nproc',
        'nproc_fault',
        'liops',
        'iops')

    def __init__(self, line, version):
        """

        :param line: source of data (line from /proc/lve/list or other LVEStat or None
                     to make a dumb LVEStat initialized with zeroes)
        :type line: str | LVEStat | NoneType
        :param version: version of lve
        :type version: int
        """
        self.reseller_id = 0   # Reseller container ID. Added in LVE10
        self.id = 0            # LVE      lve id (>=0)
        self.mep = 0           # EP       number of processes entered lve (>=0)
        self.cpu = 0           # lCPU     cpu usage limit (1...100) or (1...10000 * ncpu)
        self.io = 0            # lIO      io priority (0...10)
        self.cpu_usage = 0     # CPU      cpu ticks passed (>0)
        self.mem_usage = 0     # MEM      used virtual memory in 4k-sized pages (>0)
        self.io_usage = 0      # IO       quantity of io >=0
        self.lmem = 0          # lMEM     limit of used memory in 4k-sized pages (>0)
        self.lep = 0           # lEP      limit of number of processes entered lve (>=0)
        self.ncpu = 0          # nCPU     number of cpu cores allowed to use in current lve (>=0)
        self.mem_fault = 0     # fMEM     number of virtual memory faults (>=0)
        self.mep_fault = 0     # fEP      number of maxentryproc faults (>=0)
        self.lmemphy = 0       # lMEMPHY  physical memory limit >=0
        self.lcpuw = 0         # lCPUW    not used
        self.lnproc = 0        # lNPROC   max number of processes spawned in lve limit >=0
        self.memphy = 0        # MEMPHY   physical memory used >=0
        self.memphy_fault = 0  # fMEMPHY  number of physical memory limit faults  >=0
        self.nproc = 0         # NPROC    current number of processes spawned in lve>=0
        self.nproc_fault = 0   # fNPROC   number of processes spawned in lve faults count>=0
        self.liops = 0         # lIOPS    limit of io operations #20
        self.iops = 0          # IOPS     io operations count #21

        if version < 8:
            self._set_attributes = self._set_attributes6
            self._get_attributes = self._get_attributes6
        elif version < 10:
            self._set_attributes = self._set_attributes8
            self._get_attributes = self._get_attributes8
        else:
            self._set_attributes = self._set_attributes10
            self._get_attributes = self._get_attributes10
        if isinstance(line, str):
            self.init_basestring(line)
        elif isinstance(line, LVEStat):
            self.init_lvestat(line)

    def init_lvestat(self, line):
        self._set_attributes(line._get_attributes())

    def init_basestring(self, line):
        result = [int(i) for i in line.replace(",", " ").split()]
        self._set_attributes(result)

    def _set_attributes6(self, args):
        self.id =           args[0]
        self.mep =          args[1]
        self.cpu =          args[2]
        self.io =           args[3]
        self.cpu_usage =    args[4]
        self.mem_usage =    args[5]
        self.io_usage =     args[6]
        self.lmem =         args[7]
        self.lep =          args[8]
        self.ncpu =         args[9]
        self.mem_fault =    args[10]
        self.mep_fault =    args[11]
        self.lmemphy =      args[12]
        self.lcpuw =        args[13]
        self.lnproc =       args[14]
        self.memphy =       args[15]
        self.memphy_fault = args[16]
        self.nproc =        args[17]
        self.nproc_fault =  args[18]

    def _get_attributes6(self):
        return (
            self.id,
            self.mep,
            self.cpu,
            self.io,
            self.cpu_usage,
            self.mem_usage,
            self.io_usage,
            self.lmem,
            self.lep,
            self.ncpu,
            self.mem_fault,
            self.mep_fault,
            self.lmemphy,
            self.lcpuw,
            self.lnproc,
            self.memphy,
            self.memphy_fault,
            self.nproc,
            self.nproc_fault)

    def _set_attributes8(self, args):
        self._set_attributes6(args)
        self.liops = args[19]
        self.iops =  args[20]

    def _get_attributes8(self):
        return self._get_attributes6() + (
            self.liops,
            self.iops)

    def _set_attributes10(self, args):
        self.reseller_id =  args[0]
        self.id =           args[1]
        self.cpu =          args[2]
        self.lcpuw =        args[3]
        self.ncpu =         args[4]
        self.lep =          args[5]
        self.lnproc =       args[6]
        self.lmem =         args[7]
        self.lmemphy =      args[8]
        self.io =           args[9]
        self.liops =        args[10]
        # None,             # lNETO    not implemented yet
        # None,             # lNETI    not implemented yet
        self.mep =          args[13]
        self.cpu_usage =    args[14]
        self.mem_usage =    args[15]
        self.io_usage =     args[16]
        self.mem_fault =    args[17]
        self.mep_fault =    args[18]
        self.memphy =       args[19]
        self.memphy_fault = args[20]
        self.nproc =        args[21]
        self.nproc_fault =  args[22]
        self.iops =         args[23]
        # None,             # NETO     not implemented yet
        # None              # NETI     not implemented yet

    def _get_attributes10(self):
        return (
            self.reseller_id,
            self.id,
            self.cpu,
            self.lcpuw,
            self.ncpu,
            self.lep,
            self.lnproc,
            self.lmem,
            self.lmemphy,
            self.io,
            self.liops,
            None,            # lNETO    not implemented yet
            None,            # lNETI    not implemented yet
            self.mep,
            self.cpu_usage,
            self.mem_usage,
            self.io_usage,
            self.mem_fault,
            self.mep_fault,
            self.memphy,
            self.memphy_fault,
            self.nproc,
            self.nproc_fault,
            self.iops,
            None,            # NETO     not implemented yet
            None,)           # NETI     not implemented yet