#
#   sysinfo.py
#
#   Get standard system information from basic Unix commands
#

import platform
import subprocess
import os
import re

from ..formatting import *
from .. import config

import logging
logger = logging.getLogger(__name__)

def parse_log():

    logger.debug("Starting sysinfo section")
    section = Section("system")
    table = Table()

    table.add_row(Row([Column("Hostname"), Column(util.hostname(config.prefs['hostname-path']))]))
    table.add_row(Row([Column("OS"), Column(platform.platform())]))
    table.add_row(Row([Column("OS version"), Column(platform.version())]))
    table.add_row(Row([Column("Platform"), Column(platform.system() + " " + platform.machine())]))

    processors = []
    raw_proc = util.readlog(config.prefs['logs']['cpuinfo'])
    line_regex = re.compile(".*model name.*:\s*")
    proc_regex = re.compile("\s*(\(R\)|\(TM\)|CPU)")
    for line in raw_proc.splitlines():
        if "model name" in line:
            processor = line_regex.sub("", line, 1)
            processor = " ".join(proc_regex.sub("", processor).split()) # remove extraneous text and whitespace
            if not processor in processors:
                processors.append(processor)
            else:
                logger.debug("Found duplicate entry (perhaps multiple cores?) for {0}".format(processor))
    table.align_column(0, "right")
    if len(processors) == 1:
        table.add_row(Row([Column("Processor"), Column("; ".join(processors))]))
        section.append_table(table)
    elif len(processors) > 1:
        section.append_table(table)
        proc_data = Data("Processors")
        proc_data.items = processors
        section.append_data(proc_data)
    else:
        logger.warning("Failed to find processor data")

    logger.info("Finished sysinfo section")
    return section