""" $Id: //guest/jeffery_g_smith/perforce/utils/sttop4/python/params.py#1 $

    StarTeam to Perforce Converter, Parameter module

    Copyright 1998 Perforce Software.  All rights reserved.
    Based on VSStoP4:
        Written by James Strickland, April 1998
        Maintained by Robert Cowham, since 2000
    Updated to support StarTeam conversions and converted to Python:
        Jeffery G. Smith, MedPlus, Inc. 2004-2005
"""
__revision__ = '$Id: //guest/jeffery_g_smith/perforce/utils/sttop4/python/params.py#1 $'
__metaclass__ = type

import sys
import os
import re
import datetime
from win32con import * 
from win32api import * 

minpyver = (2, 4, 0)
if sys.version_info[:3] < minpyver:
    raise 'Minum Python version ' + str(minpyver) + ' required, found ' + str(sys.version_info)

""" This is a list of the parameters which can be set in the INI file along with their default values.
    If a value is required, the default value should be set to 'required_but_not_set' """
parameters = {
    'source' : { # Pre-conversion server info
        'type': 'required_but_not_set',
        'server': 'required_but_not_set',
        'port': 'required_but_not_set',
        'user': 'required_but_not_set',
        'passwd': 'required_but_not_set',
        'progid': 'required_but_not_set',
        'projects': 'required_but_not_set',
        'exclude': ''},
    'perforce': { # Perforce server info
        'p4port': 'required_but_not_set',
        'p4user': 'required_but_not_set',
        'p4client': 'required_but_not_set',
        'p4passwd': '',
        'depot': 'depot',
        'root': 'main'},
    'conversion': { # Basic conversion definitions
        'root': os.curdir,
        'logfile': 'convert.log',
        'confirm': 1,
        'debug': 0,
        'lcpaths': 0,
        'lcfiles': 0,
        'lcextensions': 0,
        'lcusers': 0,
        'verify': 0},
    'labels': { # Label conversion definitions
        'prefix': '',
        'usecase': 0,
        'ignore': ''},
    'changelists': { # Changelist import definitions
        'start': '',
        'interval': 600}
}

class Converter:

    def __init__(self, ini_file):
        self._parameters = dict()
        self._inifile = os.path.join(os.curdir, ini_file)
        for (section, params) in parameters.iteritems():
            for (param, default) in params.iteritems():
                val = GetProfileVal(section, param, default, self._inifile)
                if val == 'required_but_not_set':
                    raise ValueError, 'unable to locate required parameter:' +\
                          '\n\tINI file: ' + self._inifile +\
                          '\n\tINI section: [' + section + ']' +\
                          '\n\tparameter: ' + param
                self.setparam(section, param, val)
            
        self.setparam('conversion', 'metadata', os.path.join(self.getparam('conversion', 'root'),'metadata'))
        self.setparam('perforce', 'clientroot', os.path.join(self.getparam('conversion', 'root'),'data'))
            
        # If start is specified then convert to timestamp
        start_param = self.getparam('changelists', 'start')
        if start_param:
            self.setparam('changelists', 'start', mktimestamp(start_param))

        # Set up by date and time formats from registry
        (date_format, time_format) = read_date_time_format_from_registry()
        self.setparam('changelists', 'dateformat', date_format)
        self.setparam('changelists', 'timeformat', time_format)

        # Construct the user mapping table
        for mapping in GetProfileSection('usermap', self._inifile):
            self.setparam('usermap', *mapping.split('='))

    def setparam(self, psec, pname, value):
        if psec not in self._parameters:
            self._parameters[psec] = dict()
        self._parameters[psec][pname] = value
        
    def getparam(self, psec, pname):
        return self._parameters[psec][pname]


# Convert from "yyyy/mm/dd hh:mm:ss" to datetime object
def mktimestamp(dtstr):
    (dstr, tstr) = dtstr.split()
    return datetime.datetime(*map(int, dstr.split('/') + tstr.split(':')))

# Read current date/time format settings from Registry and parse appropriately
def read_date_time_format_from_registry():
    rkey = RegOpenKeyEx(HKEY_CURRENT_USER, r'Control Panel\International', 0, KEY_READ)

    sShortDate = RegQueryValueEx(rkey, 'sShortDate')[0].lower() # Date format, e.g. dd/MM/yyyy
    iTime = RegQueryValueEx(rkey, 'iTime')[0] # 0 = 12 hour, 1 = 24 hour format
    sTime = RegQueryValueEx(rkey, 'sTime')[0] # time seperator (usually ":")
    sDate = RegQueryValueEx(rkey, 'sDate')[0] # Date seperator (usually "/")
    s1159 = RegQueryValueEx(rkey, 's1159')[0] # AM indicator (if required)
    s2359 = RegQueryValueEx(rkey, 's2359')[0] # PM indicator (if required)
    RegCloseKey(rkey)

    # Remove duplicates of d/M/y and change to lowercase
    sShortDate = re.sub('d+', 'd', sShortDate)
    sShortDate = re.sub('m+', 'm', sShortDate)
    sShortDate = re.sub('y+', 'y', sShortDate)
    
    time_format = 'H' + sTime + 'M'
    if iTime == 0:
        time_format += 'p'

    return (sShortDate, time_format)