/*
  Copyright (C) 2000-2004 SKYRIX Software AG

  This file is part of OGo

  OGo is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  OGo is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with OGo; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/
// $Id$


#import "SOGoDateFormatter.h"
#import <NGExtensions/NGExtensions.h>


@interface SOGoDateFormatter (PrivateAPI)
- (NSString *)shortDayOfWeek:(int)_day;
- (NSString *)fullDayOfWeek:(int)_day;
- (NSString *)shortMonthOfYear:(int)_month;
- (NSString *)fullMonthOfYear:(int)_month;

- (NSString *)isoDateFormatForDate:(NSCalendarDate *)_date;
- (NSString *)fullWeekdayNameAndDetailsForDate:(NSCalendarDate *)_date;
@end


@implementation SOGoDateFormatter

- (id)initWithLocale:(NSDictionary *)_locale {
    self = [super init];
    if(self) {
        ASSIGN(self->locale, _locale);
        [self setISODateFormat];
    }
    return self;
}

- (void)dealloc {
    [self->locale release];
    [super dealloc];
}

- (void)setISODateFormat {
    self->formatAction = @selector(isoDateFormatForDate:);
}

- (void)setFullWeekdayNameAndDetails {
    self->formatAction = @selector(fullWeekdayNameAndDetailsForDate:);
}

- (NSString *)stringForObjectValue:(id)_obj {
    return [self performSelector:self->formatAction
                      withObject:_obj];
}


/* Helpers */

- (NSString *)shortDayOfWeek:(int)_day {
    return [[self->locale objectForKey:@"NSShortWeekDayNameArray"]
                          objectAtIndex:_day];
}

- (NSString *)fullDayOfWeek:(int)_day {
    return [[self->locale objectForKey:@"NSWeekDayNameArray"]
                          objectAtIndex:_day];
}

- (NSString *)shortMonthOfYear:(int)_month {
    return [[self->locale objectForKey:@"NSShortMonthNameArray"]
                          objectAtIndex:_month - 1];
}

- (NSString *)fullMonthOfYear:(int)_month {
    return [[self->locale objectForKey:@"NSMonthNameArray"]
                          objectAtIndex:_month - 1];
}


/* Private API */

- (NSString *)isoDateFormatForDate:(NSCalendarDate *)_date {
    return [NSString stringWithFormat:@"%d-%02d-%02d",
        [_date yearOfCommonEra],
        [_date monthOfYear],
        [_date dayOfMonth]];
}

- (NSString *)fullWeekdayNameAndDetailsForDate:(NSCalendarDate *)_date {
    NSMutableString *desc;
    
    desc = [[NSMutableString alloc] init];
    [desc appendString:[self fullDayOfWeek:[_date dayOfWeek]]];
    [desc appendString:@", "];
    [desc appendString:[self isoDateFormatForDate:_date]];
    [desc appendString:@" "];
    [desc appendFormat:@"%02d:%02d ",
        [_date hourOfDay],
        [_date minuteOfHour]];
    [desc appendString:[[_date timeZone] name]];
    return [desc autorelease];
}

@end