summaryrefslogtreecommitdiffstats
path: root/libkdegames/highscore/kexthighscore_internal.cpp
blob: 3c73c3aae0f9e4815cbe40d4f3cc7e6af23b7a9f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
/*
    This file is part of the KDE games library
    Copyright (C) 2001-2004 Nicolas Hadacek (hadacek@kde.org)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "kexthighscore_internal.h"

#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>

#include <tqfile.h>
#include <tqlayout.h>
#include <tqdom.h>

#include <kglobal.h>
#include <kio/netaccess.h>
#include <kio/job.h>
#include <kmessagebox.h>
#include <kmdcodec.h>
#include <kdebug.h>

#include "config.h"
#include "kexthighscore.h"
#include "kexthighscore_gui.h"
#include "kemailsettings.h"


namespace KExtHighscore
{

//-----------------------------------------------------------------------------
const char ItemContainer::ANONYMOUS[] = "_";
const char ItemContainer::ANONYMOUS_LABEL[] = I18N_NOOP("anonymous");

ItemContainer::ItemContainer()
    : _item(0)
{}

ItemContainer::~ItemContainer()
{
    delete _item;
}

void ItemContainer::setItem(Item *item)
{
    delete _item;
    _item = item;
}

TQString ItemContainer::entryName() const
{
    if ( _subGroup.isEmpty() ) return _name;
    return _name + "_" + _subGroup;
}

TQVariant ItemContainer::read(uint i) const
{
    Q_ASSERT(_item);

    TQVariant v = _item->defaultValue();
    if ( isStored() ) {
        internal->hsConfig().setHighscoreGroup(_group);
        v = internal->hsConfig().readPropertyEntry(i+1, entryName(), v);
    }
    return _item->read(i, v);
}

TQString ItemContainer::pretty(uint i) const
{
    Q_ASSERT(_item);
    return _item->pretty(i, read(i));
}

void ItemContainer::write(uint i, const TQVariant &value) const
{
    Q_ASSERT( isStored() );
    Q_ASSERT( internal->hsConfig().isLocked() );
    internal->hsConfig().setHighscoreGroup(_group);
    internal->hsConfig().writeEntry(i+1, entryName(), value);
}

uint ItemContainer::increment(uint i) const
{
    uint v = read(i).toUInt() + 1;
    write(i, v);
    return v;
}

//-----------------------------------------------------------------------------
ItemArray::ItemArray()
    : _group(""), _subGroup("") // no null groups
{}

ItemArray::~ItemArray()
{
    for (uint i=0; i<size(); i++) delete at(i);
}

int ItemArray::findIndex(const TQString &name) const
{
    for (uint i=0; i<size(); i++)
        if ( at(i)->name()==name ) return i;
    return -1;
}

const ItemContainer *ItemArray::item(const TQString &name) const
{
    int i = findIndex(name);
    if ( i==-1 ) kdError(11002) << k_funcinfo << "no item named \"" << name
                                << "\"" << endl;
    return at(i);
}

ItemContainer *ItemArray::item(const TQString &name)
{
    int i = findIndex(name);
    if ( i==-1 ) kdError(11002) << k_funcinfo << "no item named \"" << name
                                << "\"" << endl;
    return at(i);
}

void ItemArray::setItem(const TQString &name, Item *item)
{
    int i = findIndex(name);
    if ( i==-1 ) kdError(11002) << k_funcinfo << "no item named \"" << name
                                << "\"" << endl;
    bool stored = at(i)->isStored();
    bool canHaveSubGroup = at(i)->canHaveSubGroup();
    _setItem(i, name, item, stored, canHaveSubGroup);
}

void ItemArray::addItem(const TQString &name, Item *item,
                        bool stored, bool canHaveSubGroup)
{
    if ( findIndex(name)!=-1 )
        kdError(11002) << "item already exists \"" << name << "\"" << endl;
    uint i = size();
    resize(i+1);
    at(i) = new ItemContainer;
    _setItem(i, name, item, stored, canHaveSubGroup);
}

void ItemArray::_setItem(uint i, const TQString &name, Item *item,
                         bool stored, bool canHaveSubGroup)
{
    at(i)->setItem(item);
    at(i)->setName(name);
    at(i)->setGroup(stored ? _group : TQString::null);
    at(i)->setSubGroup(canHaveSubGroup ? _subGroup : TQString::null);
}

void ItemArray::setGroup(const TQString &group)
{
    Q_ASSERT( !group.isNull() );
    _group = group;
    for (uint i=0; i<size(); i++)
        if ( at(i)->isStored() ) at(i)->setGroup(group);
}

void ItemArray::setSubGroup(const TQString &subGroup)
{
    Q_ASSERT( !subGroup.isNull() );
    _subGroup = subGroup;
    for (uint i=0; i<size(); i++)
        if ( at(i)->canHaveSubGroup() ) at(i)->setSubGroup(subGroup);
}

void ItemArray::read(uint k, Score &data) const
{
    for (uint i=0; i<size(); i++) {
        if ( !at(i)->isStored() ) continue;
        data.setData(at(i)->name(), at(i)->read(k));
    }
}

void ItemArray::write(uint k, const Score &data, uint nb) const
{
    for (uint i=0; i<size(); i++) {
        if ( !at(i)->isStored() ) continue;
        for (uint j=nb-1; j>k; j--)  at(i)->write(j, at(i)->read(j-1));
        at(i)->write(k, data.data(at(i)->name()));
    }
}

void ItemArray::exportToText(TQTextStream &s) const
{
    for (uint k=0; k<nbEntries()+1; k++) {
        for (uint i=0; i<size(); i++) {
            const Item *item = at(i)->item();
            if ( item->isVisible() ) {
                if ( i!=0 ) s << '\t';
                if ( k==0 ) s << item->label();
                else s << at(i)->pretty(k-1);
            }
        }
        s << endl;
    }
}

//-----------------------------------------------------------------------------
class ScoreNameItem : public NameItem
{
 public:
    ScoreNameItem(const ScoreInfos &score, const PlayerInfos &infos)
        : _score(score), _infos(infos) {}

    TQString pretty(uint i, const TQVariant &v) const {
        uint id = _score.item("id")->read(i).toUInt();
        if ( id==0 ) return NameItem::pretty(i, v);
        return _infos.prettyName(id-1);
    }

 private:
    const ScoreInfos  &_score;
    const PlayerInfos &_infos;
};

//-----------------------------------------------------------------------------
ScoreInfos::ScoreInfos(uint maxNbEntries, const PlayerInfos &infos)
    : _maxNbEntries(maxNbEntries)
{
    addItem("id", new Item((uint)0));
    addItem("rank", new RankItem, false);
    addItem("name", new ScoreNameItem(*this, infos));
    addItem("score", Manager::createItem(Manager::ScoreDefault));
    addItem("date", new DateItem);
}

uint ScoreInfos::nbEntries() const
{
    uint i = 0;
    for (; i<_maxNbEntries; i++)
        if ( item("score")->read(i)==item("score")->item()->defaultValue() )
            break;
    return i;
}

//-----------------------------------------------------------------------------
const char *HS_ID              = "player id";
const char *HS_REGISTERED_NAME = "registered name";
const char *HS_KEY             = "player key";
const char *HS_WW_ENABLED      = "ww hs enabled";

PlayerInfos::PlayerInfos()
{
    setGroup("players");

    // standard items
    addItem("name", new NameItem);
    Item *it = new Item((uint)0, i18n("Games Count"),Qt::AlignRight);
    addItem("nb games", it, true, true);
    it = Manager::createItem(Manager::MeanScoreDefault);
    addItem("mean score", it, true, true);
    it = Manager::createItem(Manager::BestScoreDefault);
    addItem("best score", it, true, true);
    addItem("date", new DateItem, true, true);
    it = new Item(TQString::null, i18n("Comment"), Qt::AlignLeft);
    addItem("comment", it);

    // statistics items
    addItem("nb black marks", new Item((uint)0), true, true); // legacy
    addItem("nb lost games", new Item((uint)0), true, true);
    addItem("nb draw games", new Item((uint)0), true, true);
    addItem("current trend", new Item((int)0), true, true);
    addItem("max lost trend", new Item((uint)0), true, true);
    addItem("max won trend", new Item((uint)0), true, true);

    struct passwd *pwd = getpwuid(getuid());
    TQString username = pwd->pw_name;
#ifdef HIGHSCORE_DIRECTORY
    internal->hsConfig().setHighscoreGroup("players");
    for (uint i=0; ;i++) {
        if ( !internal->hsConfig().hasEntry(i+1, "username") ) {
            _newPlayer = true;
            _id = i;
            break;
        }
        if ( internal->hsConfig().readEntry(i+1, "username")==username ) {
            _newPlayer = false;
            _id = i;
            return;
        }
    }
#endif
    internal->hsConfig().lockForWriting();
	KEMailSettings emailConfig;
	emailConfig.setProfile(emailConfig.defaultProfileName());
	TQString name = emailConfig.getSetting(KEMailSettings::RealName);
	if ( name.isEmpty() || isNameUsed(name) ) name = username;
	if ( isNameUsed(name) ) name= TQString(ItemContainer::ANONYMOUS);
#ifdef HIGHSCORE_DIRECTORY
    internal->hsConfig().writeEntry(_id+1, "username", username);
    item("name")->write(_id, name);
#endif

    ConfigGroup cg;
    _oldLocalPlayer = cg.config()->hasKey(HS_ID);
    _oldLocalId = cg.config()->readUnsignedNumEntry(HS_ID);
#ifdef HIGHSCORE_DIRECTORY
    if (_oldLocalPlayer) { // player already exists in local config file
        // copy player data
        TQString prefix = TQString("%1_").arg(_oldLocalId+1);
        TQMap<TQString, TQString> entries =
            cg.config()->entryMap("KHighscore_players");
        TQMap<TQString, TQString>::const_iterator it;
        for (it=entries.begin(); it!=entries.end(); ++it) {
            TQString key = it.key();
            if ( key.find(prefix)==0 ) {
                TQString name = key.right(key.length()-prefix.length());
                if ( name!="name" || !isNameUsed(it.data()) )
                    internal->hsConfig().writeEntry(_id+1, name, it.data());
            }
        }
    }
#else
    _newPlayer = !_oldLocalPlayer;
    if (_oldLocalPlayer) _id = _oldLocalId;
    else {
        _id = nbEntries();
        cg.config()->writeEntry(HS_ID, _id);
        item("name")->write(_id, name);
    }
#endif
    _bound = true;
    internal->hsConfig().writeAndUnlock();
}

void PlayerInfos::createHistoItems(const TQMemArray<uint> &scores, bool bound)
{
    Q_ASSERT( _histogram.size()==0 );
    _bound = bound;
    _histogram = scores;
    for (uint i=1; i<histoSize(); i++)
        addItem(histoName(i), new Item((uint)0), true, true);
}

bool PlayerInfos::isAnonymous() const
{
    return ( name()==ItemContainer::ANONYMOUS );
}

uint PlayerInfos::nbEntries() const
{
    internal->hsConfig().setHighscoreGroup("players");
    TQStringList list = internal->hsConfig().readList("name", -1);
    return list.count();
}

TQString PlayerInfos::key() const
{
    ConfigGroup cg;
    return cg.config()->readEntry(HS_KEY, TQString::null);
}

bool PlayerInfos::isWWEnabled() const
{
    ConfigGroup cg;
    return cg.config()->readBoolEntry(HS_WW_ENABLED, false);
}

TQString PlayerInfos::histoName(uint i) const
{
    const TQMemArray<uint> &sh = _histogram;
    Q_ASSERT( i<sh.size() || (_bound || i==sh.size()) );
    if ( i==sh.size() )
        return TQString("nb scores greater than %1").arg(sh[sh.size()-1]);
    return TQString("nb scores less than %1").arg(sh[i]);
}

uint PlayerInfos::histoSize() const
{
     return _histogram.size() + (_bound ? 0 : 1);
}

void PlayerInfos::submitScore(const Score &score) const
{
    // update counts
    uint nbGames = item("nb games")->increment(_id);
    switch (score.type()) {
    case Lost:
        item("nb lost games")->increment(_id);
        break;
    case Won: break;
    case Draw:
        item("nb draw games")->increment(_id);
        break;
    };

    // update mean
    if ( score.type()==Won ) {
        uint nbWonGames = nbGames - item("nb lost games")->read(_id).toUInt()
                        - item("nb draw games")->read(_id).toUInt()
                        - item("nb black marks")->read(_id).toUInt(); // legacy
        double mean = (nbWonGames==1 ? 0.0
                       : item("mean score")->read(_id).toDouble());
        mean += (double(score.score()) - mean) / nbWonGames;
        item("mean score")->write(_id, mean);
    }

    // update best score
    Score best = score; // copy optionnal fields (there are not taken into account here)
    best.setScore( item("best score")->read(_id).toUInt() );
    if ( best<score ) {
        item("best score")->write(_id, score.score());
        item("date")->write(_id, score.data("date").toDateTime());
    }

    // update trends
    int current = item("current trend")->read(_id).toInt();
    switch (score.type()) {
    case Won: {
        if ( current<0 ) current = 0;
        current++;
        uint won = item("max won trend")->read(_id).toUInt();
        if ( (uint)current>won ) item("max won trend")->write(_id, current);
        break;
    }
    case Lost: {
        if ( current>0 ) current = 0;
        current--;
        uint lost = item("max lost trend")->read(_id).toUInt();
        uint clost = -current;
        if ( clost>lost ) item("max lost trend")->write(_id, clost);
        break;
    }
    case Draw:
        current = 0;
        break;
    }
    item("current trend")->write(_id, current);

    // update histogram
    if ( score.type()==Won ) {
        const TQMemArray<uint> &sh = _histogram;
        for (uint i=1; i<histoSize(); i++)
            if ( i==sh.size() || score.score()<sh[i] ) {
                item(histoName(i))->increment(_id);
                break;
            }
    }
}

bool PlayerInfos::isNameUsed(const TQString &newName) const
{
    if ( newName==name() ) return false; // own name...
    for (uint i=0; i<nbEntries(); i++)
        if ( newName.lower()==item("name")->read(i).toString().lower() ) return true;
    if ( newName==i18n(ItemContainer::ANONYMOUS_LABEL) ) return true;
    return false;
}

void PlayerInfos::modifyName(const TQString &newName) const
{
    item("name")->write(_id, newName);
}

void PlayerInfos::modifySettings(const TQString &newName,
                                 const TQString &comment, bool WWEnabled,
                                 const TQString &newKey) const
{
    modifyName(newName);
    item("comment")->write(_id, comment);
    ConfigGroup cg;
    cg.config()->writeEntry(HS_WW_ENABLED, WWEnabled);
    if ( !newKey.isEmpty() ) cg.config()->writeEntry(HS_KEY, newKey);
    if (WWEnabled) cg.config()->writeEntry(HS_REGISTERED_NAME, newName);
}

TQString PlayerInfos::registeredName() const
{
    ConfigGroup cg;
    return cg.config()->readEntry(HS_REGISTERED_NAME, TQString::null);
}

void PlayerInfos::removeKey()
{
    ConfigGroup cg;

    // save old key/nickname
    uint i = 0;
    TQString str = "%1 old #%2";
    TQString sk;
    do {
        i++;
        sk = str.arg(HS_KEY).arg(i);
    } while ( !cg.config()->readEntry(sk, TQString::null).isEmpty() );
    cg.config()->writeEntry(sk, key());
    cg.config()->writeEntry(str.arg(HS_REGISTERED_NAME).arg(i),
                            registeredName());

    // clear current key/nickname
    cg.config()->deleteEntry(HS_KEY);
    cg.config()->deleteEntry(HS_REGISTERED_NAME);
    cg.config()->writeEntry(HS_WW_ENABLED, false);
}

//-----------------------------------------------------------------------------
ManagerPrivate::ManagerPrivate(uint nbGameTypes, Manager &m)
    : manager(m), showStatistics(false), showDrawGames(false),
      trackLostGames(false), trackDrawGames(false), 
      showMode(Manager::ShowForHigherScore),
      _first(true), _nbGameTypes(nbGameTypes), _gameType(0)
{}

void ManagerPrivate::init(uint maxNbEntries)
{
    _hsConfig = new KHighscore(false, 0);
    _playerInfos = new PlayerInfos;
    _scoreInfos = new ScoreInfos(maxNbEntries, *_playerInfos);
}

ManagerPrivate::~ManagerPrivate()
{
    delete _scoreInfos;
    delete _playerInfos;
    delete _hsConfig;
}

KURL ManagerPrivate::queryURL(QueryType type, const TQString &newName) const
{
    KURL url = serverURL;
    TQString nameItem = "nickname";
    TQString name = _playerInfos->registeredName();
    bool withVersion = true;
    bool key = false;
    bool level = false;

	switch (type) {
        case Submit:
            url.addPath("submit.php");
            level = true;
            key = true;
            break;
        case Register:
            url.addPath("register.php");
            name = newName;
            break;
        case Change:
            url.addPath("change.php");
            key = true;
            if ( newName!=name )
                Manager::addToQueryURL(url, "new_nickname", newName);
            break;
        case Players:
            url.addPath("players.php");
            nameItem = "highlight";
            withVersion = false;
            break;
        case Scores:
            url.addPath("highscores.php");
            withVersion = false;
            if ( _nbGameTypes>1 ) level = true;
            break;
	}

    if (withVersion) Manager::addToQueryURL(url, "version", version);
    if ( !name.isEmpty() ) Manager::addToQueryURL(url, nameItem, name);
    if (key) Manager::addToQueryURL(url, "key", _playerInfos->key());
    if (level) {
        TQString label = manager.gameTypeLabel(_gameType, Manager::WW);
        if ( !label.isEmpty() ) Manager::addToQueryURL(url, "level", label);
    }

    return url;
}

// strings that needs to be translated (coming from the highscores server)
const char *DUMMY_STRINGS[] = {
    I18N_NOOP("Undefined error."),
    I18N_NOOP("Missing argument(s)."),
    I18N_NOOP("Invalid argument(s)."),

    I18N_NOOP("Unable to connect to MySQL server."),
    I18N_NOOP("Unable to select database."),
    I18N_NOOP("Error on database query."),
    I18N_NOOP("Error on database insert."),

    I18N_NOOP("Nickname already registered."),
    I18N_NOOP("Nickname not registered."),
    I18N_NOOP("Invalid key."),
    I18N_NOOP("Invalid submit key."),

    I18N_NOOP("Invalid level."),
    I18N_NOOP("Invalid score.")
};

const char *UNABLE_TO_CONTACT =
    I18N_NOOP("Unable to contact world-wide highscore server");

bool ManagerPrivate::doQuery(const KURL &url, TQWidget *parent,
                                TQDomNamedNodeMap *map)
{
    KIO::http_update_cache(url, true, 0); // remove cache !

    TQString tmpFile;
    if ( !KIO::NetAccess::download(url, tmpFile, parent) ) {
        TQString details = i18n("Server URL: %1").arg(url.host());
        KMessageBox::detailedSorry(parent, i18n(UNABLE_TO_CONTACT), details);
        return false;
    }

	TQFile file(tmpFile);
	if ( !file.open(IO_ReadOnly) ) {
        KIO::NetAccess::removeTempFile(tmpFile);
        TQString details = i18n("Unable to open temporary file.");
        KMessageBox::detailedSorry(parent, i18n(UNABLE_TO_CONTACT), details);
        return false;
    }

	TQTextStream t(&file);
	TQString content = t.read().stripWhiteSpace();
	file.close();
    KIO::NetAccess::removeTempFile(tmpFile);

	TQDomDocument doc;
    if ( doc.setContent(content) ) {
        TQDomElement root = doc.documentElement();
        TQDomElement element = root.firstChild().toElement();
        if ( element.tagName()=="success" ) {
            if (map) *map = element.attributes();
            return true;
        }
        if ( element.tagName()=="error" ) {
            TQDomAttr attr = element.attributes().namedItem("label").toAttr();
            if ( !attr.isNull() ) {
                TQString msg = i18n(attr.value().latin1());
                TQString caption = i18n("Message from world-wide highscores "
                                       "server");
                KMessageBox::sorry(parent, msg, caption);
                return false;
            }
        }
    }
    TQString msg = i18n("Invalid answer from world-wide highscores server.");
    TQString details = i18n("Raw message: %1").arg(content);
    KMessageBox::detailedSorry(parent, msg, details);
    return false;
}

bool ManagerPrivate::getFromQuery(const TQDomNamedNodeMap &map,
                                  const TQString &name, TQString &value,
                                  TQWidget *parent)
{
    TQDomAttr attr = map.namedItem(name).toAttr();
    if ( attr.isNull() ) {
	    KMessageBox::sorry(parent,
               i18n("Invalid answer from world-wide "
                    "highscores server (missing item: %1).").arg(name));
		return false;
    }
    value = attr.value();
    return true;
}

Score ManagerPrivate::readScore(uint i) const
{
    Score score(Won);
    _scoreInfos->read(i, score);
    return score;
}

int ManagerPrivate::rank(const Score &score) const
{
    uint nb = _scoreInfos->nbEntries();
    uint i = 0;
	for (; i<nb; i++)
        if ( readScore(i)<score ) break;
	return (i<_scoreInfos->maxNbEntries() ? (int)i : -1);
}

bool ManagerPrivate::modifySettings(const TQString &newName,
                                    const TQString &comment, bool WWEnabled,
                                    TQWidget *widget)
{
    TQString newKey;
    bool newPlayer = false;

    if (WWEnabled) {
        newPlayer = _playerInfos->key().isEmpty()
                    || _playerInfos->registeredName().isEmpty();
        KURL url = queryURL((newPlayer ? Register : Change), newName);
        Manager::addToQueryURL(url, "comment", comment);

        TQDomNamedNodeMap map;
        bool ok = doQuery(url, widget, &map);
        if ( !ok || (newPlayer && !getFromQuery(map, "key", newKey, widget)) )
            return false;
    }

    bool ok = _hsConfig->lockForWriting(widget); // no GUI when locking
    if (ok) {
        // check again name in case the config file has been changed...
        // if it has, it is unfortunate because the WWW name is already
        // committed but should be very rare and not really problematic
        ok = ( !_playerInfos->isNameUsed(newName) );
        if (ok)
            _playerInfos->modifySettings(newName, comment, WWEnabled, newKey);
        _hsConfig->writeAndUnlock();
    }
    return ok;
}

void ManagerPrivate::convertToGlobal()
{
    // read old highscores
    KHighscore *tmp = _hsConfig;
    _hsConfig = new KHighscore(true, 0);
    TQValueVector<Score> scores(_scoreInfos->nbEntries());
    for (uint i=0; i<scores.count(); i++)
        scores[i] = readScore(i);

    // commit them
    delete _hsConfig;
    _hsConfig = tmp;
    _hsConfig->lockForWriting();
    for (uint i=0; i<scores.count(); i++)
        if ( scores[i].data("id").toUInt()==_playerInfos->oldLocalId()+1 )
            submitLocal(scores[i]);
    _hsConfig->writeAndUnlock();
}

void ManagerPrivate::setGameType(uint type)
{
    if (_first) {
        _first = false;
        if ( _playerInfos->isNewPlayer() ) {
            // convert legacy highscores
            for (uint i=0; i<_nbGameTypes; i++) {
                setGameType(i);
                manager.convertLegacy(i);
            }

#ifdef HIGHSCORE_DIRECTORY
            if ( _playerInfos->isOldLocalPlayer() ) {
                // convert local to global highscores
                for (uint i=0; i<_nbGameTypes; i++) {
                    setGameType(i);
                    convertToGlobal();
                }
            }
#endif
        }
    }

    Q_ASSERT( type<_nbGameTypes );
    _gameType = kMin(type, _nbGameTypes-1);
    TQString str = "scores";
    TQString lab = manager.gameTypeLabel(_gameType, Manager::Standard);
    if ( !lab.isEmpty() ) {
        _playerInfos->setSubGroup(lab);
        str += "_" + lab;
    }
    _scoreInfos->setGroup(str);
}

void ManagerPrivate::checkFirst()
{
    if (_first) setGameType(0);
}

int ManagerPrivate::submitScore(const Score &ascore,
                                TQWidget *widget, bool askIfAnonymous)
{
    checkFirst();

    Score score = ascore;
    score.setData("id", _playerInfos->id() + 1);
    score.setData("date", TQDateTime::currentDateTime());

    // ask new name if anonymous and winner
    const char *dontAskAgainName = "highscore_ask_name_dialog";
    TQString newName;
    KMessageBox::ButtonCode dummy;
    if ( score.type()==Won && askIfAnonymous && _playerInfos->isAnonymous()
     && KMessageBox::shouldBeShownYesNo(dontAskAgainName, dummy) ) {
         AskNameDialog d(widget);
         if ( d.exec()==TQDialog::Accepted ) newName = d.name();
         if ( d.dontAskAgain() )
             KMessageBox::saveDontShowAgainYesNo(dontAskAgainName,
                                                 KMessageBox::No);
    }

    int rank = -1;
    if ( _hsConfig->lockForWriting(widget) ) { // no GUI when locking
        // check again new name in case the config file has been changed...
        if ( !newName.isEmpty() && !_playerInfos->isNameUsed(newName) )
             _playerInfos->modifyName(newName);

        // commit locally
        _playerInfos->submitScore(score);
        if ( score.type()==Won ) rank = submitLocal(score);
        _hsConfig->writeAndUnlock();
    }

    if ( _playerInfos->isWWEnabled() )
        submitWorldWide(score, widget);

    return rank;
}

int ManagerPrivate::submitLocal(const Score &score)
{
    int r = rank(score);
    if ( r!=-1 ) {
        uint nb = _scoreInfos->nbEntries();
        if ( nb<_scoreInfos->maxNbEntries() ) nb++;
        _scoreInfos->write(r, score, nb);
    }
    return r;
}

bool ManagerPrivate::submitWorldWide(const Score &score,
                                     TQWidget *widget) const
{
    if ( score.type()==Lost && !trackLostGames ) return true;
    if ( score.type()==Draw && !trackDrawGames ) return true;

    KURL url = queryURL(Submit);
    manager.additionalQueryItems(url, score);
    int s = (score.type()==Won ? score.score() : (int)score.type());
    TQString str =  TQString::number(s);
    Manager::addToQueryURL(url, "score", str);
    KMD5 context(TQString(_playerInfos->registeredName() + str).latin1());
    Manager::addToQueryURL(url, "check", context.hexDigest());

    return doQuery(url, widget);
}

void ManagerPrivate::exportHighscores(TQTextStream &s)
{
    uint tmp = _gameType;

    for (uint i=0; i<_nbGameTypes; i++) {
        setGameType(i);
        if ( _nbGameTypes>1 ) {
            if ( i!=0 ) s << endl;
            s << "--------------------------------" << endl;
            s << "Game type: "
              << manager.gameTypeLabel(_gameType, Manager::I18N)
              << endl;
            s << endl;
        }
        s << "Players list:" << endl;
        _playerInfos->exportToText(s);
        s << endl;
        s << "Highscores list:" << endl;
        _scoreInfos->exportToText(s);
    }

    setGameType(tmp);
}

} // namespace