/*
  Copyright (C) 2004 SKYRIX Software AG

  This file is part of OpenGroupware.org.

  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.
*/

#import <Foundation/NSArray.h>
#import <Foundation/NSCalendarDate.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSKeyValueCoding.h>
#import <Foundation/NSString.h>
#import <Foundation/NSValue.h>

#import <EOControl/EOQualifier.h>

#import <NGExtensions/NSCalendarDate+misc.h>
#import <NGExtensions/NGCalendarDateRange.h>

#import <SoObjects/SOGo/SOGoDateFormatter.h>

#import "UIxCalDayView.h"

// @interface UIxCalDayView (PrivateAPI)
// - (BOOL)isCurrentDateInApt:(id)_apt;
// - (NSArray *)_getDatesFrom:(NSCalendarDate *)_from to:(NSCalendarDate *)_to;
// @end

@implementation UIxCalDayView

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

// - (void) setCurrentDate: (NSCalendarDate *) _date
// {
//   ASSIGN(self->currentDate, _date);
// }

// - (NSCalendarDate *) currentDate
// {
//   return self->currentDate;
// }

// - (BOOL) isCurrentDateInApt
// {
//   return [self isCurrentDateInApt: [self appointment]];
// }

// - (BOOL) isCurrentDateInApt: (id) _apt
// {
//   NSCalendarDate *dateStart, *dateEnd, *aptStart, *aptEnd;
//   NGCalendarDateRange *dateRange, *aptRange;
    
//   dateStart = self->currentDate;
//   dateEnd   = [dateStart dateByAddingYears:0 months:0 days:0
//                          hours:1 minutes:0 seconds:0];
//   dateRange = [NGCalendarDateRange calendarDateRangeWithStartDate:dateStart
//                                    endDate:dateEnd];
//   aptStart = [self->appointment valueForKey:@"startDate"];
//   aptEnd   = [self->appointment valueForKey:@"endDate"];
//   aptRange = [NGCalendarDateRange calendarDateRangeWithStartDate:aptStart
//                                   endDate:aptEnd];

//   return [dateRange doesIntersectWithDateRange:aptRange];
// }

// - (NSArray *) dateRange
// {
//   /* default range is from dayStartHour to dayEndHour. Any values before
//      or after are also fine */

//   NSCalendarDate *min, *max;
//   NSArray        *aptDateRanges;

//   min = [[self startDate] hour:[self dayStartHour] minute:0];
//   max = [[self startDate] hour:[self dayEndHour]   minute:0];

//   aptDateRanges = [[self appointments] valueForKey: @"startDate"];
//   if([aptDateRanges count] != 0) {
//     NSCalendarDate *d;

//     aptDateRanges
//       = [aptDateRanges sortedArrayUsingSelector: @selector(compareAscending:)];
//     d   = [aptDateRanges objectAtIndex:0];
//     if ([d isDateOnSameDay:min])
//       min = (NSCalendarDate *)[d earlierDate:min];
//     d   = [aptDateRanges objectAtIndex:[aptDateRanges count] - 1];
//     if ([d isDateOnSameDay:max])
//       max = (NSCalendarDate *)[d laterDate:max];
//   }
  
//   return [self _getDatesFrom:min to:max];
// }

// - (NSArray *) _getDatesFrom: (NSCalendarDate *) _from
//                          to: (NSCalendarDate *) _to
// {
//   NSMutableArray *dates;
//   unsigned       i, count, offset;

//   offset = [_from hourOfDay];
//   count  = ([_to hourOfDay] + 1) - offset;
//   dates  = [[NSMutableArray alloc] initWithCapacity:count];
//   for(i = 0; i < count; i++) {
//     NSCalendarDate *date;
        
//     date = [_from hour:offset + i minute:0];
//     [dates addObject:date];
//   }
//   return [dates autorelease];
// }

/* URLs */

- (NSDictionary *) dayBeforePrevDayQueryParameters
{
  return [self _dateQueryParametersWithOffset: -2];
}

- (NSDictionary *) prevDayQueryParameters
{
  return [self _dateQueryParametersWithOffset: -1];
}

- (NSDictionary *) nextDayQueryParameters
{
  return [self _dateQueryParametersWithOffset: 1];
}

- (NSDictionary *) dayAfterNextDayQueryParameters
{
  return [self _dateQueryParametersWithOffset: 2];
}

- (NSDictionary *) currentDateQueryParameters
{
  NSMutableDictionary *qp;
  NSString *hmString;
  NSCalendarDate *date;
    
  date = [self selectedDate];
  hmString = [NSString stringWithFormat:@"%.2d%.2d",
                       [date hourOfDay], [date minuteOfHour]];
  qp = [[self queryParameters] mutableCopy];
  [self setSelectedDateQueryParameter:date inDictionary:qp];
  [qp setObject: hmString forKey:@"hm"];
  return [qp autorelease];
}

/* fetching */

- (NSCalendarDate *) startDate
{
  return [[self selectedDate] beginOfDay];
}

/* appointments */

// - (NSArray *)allDayApts {
//   NSCalendarDate *start;
//   NSArray        *apts;
//   NSMutableArray *filtered;
//   unsigned       i, count;
  
//   if (self->allDayApts)
//     return self->allDayApts;

//   start    = [self startDate];
//   apts     = [self appointments];
//   filtered = [[NSMutableArray alloc] initWithCapacity:1];
//   count    = [apts count];
//   for (i = 0; i < count; i++) {
//     id       apt;
//     NSNumber *bv;
    
//     apt = [apts objectAtIndex:i];
//     bv  = [apt valueForKey:@"isallday"];
//     if ([bv boolValue]) {
//       [filtered addObject:apt];
//     }
//     else {
//       NSCalendarDate *aptStartDate;

//       aptStartDate = [apt valueForKey:@"startDate"];
//       if([aptStartDate isLessThan:start]) {
//         [filtered addObject:apt];
//       }
//     }
//   }
  
//   ASSIGN(self->allDayApts, filtered);
//   [filtered release];
//   return self->allDayApts;
// }

// - (BOOL) hasAptsForCurrentDate
// {
//   return [[self aptsForCurrentDate] count] != 0;
// }

- (NSString *) _dayNameWithOffsetFromToday: (int) offset
{
  NSCalendarDate *date;

  date = [[self selectedDate] dateByAddingYears: 0
                              months: 0
                              days: offset];

  return [self localizedNameForDayOfWeek: [date dayOfWeek]];
}

- (NSString *) dayBeforeYesterdayName
{
  return [self _dayNameWithOffsetFromToday: -2];
}

- (NSString *) yesterdayName
{
  return [self _dayNameWithOffsetFromToday: -1];
}

- (NSString *) currentDayName
{
  return [self _dayNameWithOffsetFromToday: 0];
}

- (NSString *) tomorrowName
{
  return [self _dayNameWithOffsetFromToday: 1];
}

- (NSString *) dayAfterTomorrowName
{
  return [self _dayNameWithOffsetFromToday: 2];
}

@end
