#!/usr/bin/python


import sys, subprocess, datetime, os, re


PORTDIR = "/usr/portage/"
LOGFILE = "/var/log/emerge.log"

green_start = "\033[32m"
color_stop = "\033[m"

packages = []


class package:
    def __init__(self):
        self.name = ""
        self.version = ""
        self.emerge_time = ""
        self.emerge_date = ""


    def printable_time(self):
        time = self.emerge_time

        days = time/(3600*24)
        hours = (days - int(days))*24
        minutes = (hours - int(hours))*60
        seconds = (minutes - int(minutes))*60

        days = int(days)
        hours = int(hours)
        minutes = int(minutes)
        seconds = int(round(seconds))

        pdays, phours, pminutes, pseconds = str()

        if days > 0:
            pdays = (green_start + str(days) + color_stop + " day")
            if days != 1:
                pdays += "s"

        if hours > 0:
            phours = (green_start + str(hours) + color_stop + " hour")
            if hours != 1:
                phours += "s"

        if minutes > 0:
            pminutes = (green_start + str(minutes) + color_stop + " minute")
            if minutes != 1:
                pminutes += "s"

        pseconds = green_start + str(seconds) + color_stop + " second")
        if seconds != 1:
            pseconds += "s"

        return (pdays + phours + pminutes + pdays)
                     

def open_log():
    """Attempt to open the LOGFILE."""

    try:
        f = open(LOGFILE, 'r')
    except IOError as detail:
        print detail
        sys.exit(1)
    finally:
        return f



def search_log_for_package(package):

    log = open_log()

    for line in log:
        if ((">>>" in line) and ("emerge" in line)):
            if package in line:
                time_string = line.partition(">>>")
                start_time = float(time_string[0].strip().strip(':'))

        elif ((":::" in line) and ("completed emerge" in line)):
            if package in line:
                time_string = line.partition(":::")
                stop_time = float(time_string[0].strip().strip(':'))

                emerge_time = stop_time - start_time

#                date = 0 # get date

                print line
                packages.append((package, emerge_time))

def main(status, package=None):

    if status == "package":
        search_log_for_package(package)
        print packages


    elif status == "current":
        pass

    elif status == "pretended":
        pass




if __name__ == "__main__":

    if len(sys.argv) == 1:
        main("current")
        sys.exit(1)

    elif sys.argv[1] == "-p":
        main("pretended")
        sys.exit(1)

    elif len(sys.argv) > 1:
        main("package", sys.argv[1])