git.sesse.net Git - pkanalytics/blob - main.cpp

   1 #include <QMediaPlayer>
   2 #include <QMainWindow>
   3 #include <QApplication>
   4 #include <QGridLayout>
   5 #include <QVideoWidget>
   6 #include <QShortcut>
   7 #include <QInputDialog>
   8 #include <algorithm>
   9 #include <string>
  10 #include <map>
  11 #include <vector>
  12 #include <optional>
  13 #include <sqlite3.h>
  14 #include "mainwindow.h"
  15 #include "ui_mainwindow.h"
  16 #include "events.h"
  17 #include "players.h"
  18 #include "formations.h"
  19 #include "json.h"
  20
  21 using namespace std;
  22
  23 string format_timestamp(uint64_t pos)
  24 {
  25         int ms = pos % 1000;
  26         pos /= 1000;
  27         int sec = pos % 60;
  28         pos /= 60;
  29         int min = pos % 60;
  30         int hour = pos / 60;
  31
  32         char buf[256];
  33         snprintf(buf, sizeof(buf), "%d:%02d:%02d.%03d", hour, min, sec, ms);
  34         return buf;
  35 }
  36
  37 MainWindow::MainWindow(EventsModel *events, PlayersModel *players,
  38                        FormationsModel *offensive_formations, FormationsModel *defensive_formations)
  39         : events(events), players(players), offensive_formations(offensive_formations), defensive_formations(defensive_formations)
  40 {
  41         video = new QMediaPlayer;
  42         //video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate.mkv"));
  43         video->setSource(QUrl::fromLocalFile("/home/sesse/dev/stats/ultimate-prores.mkv"));
  44         video->play();
  45
  46         ui = new Ui::MainWindow;
  47         ui->setupUi(this);
  48
  49         ui->event_view->setModel(events);
  50         connect(ui->event_view->selectionModel(), &QItemSelectionModel::currentRowChanged,
  51                 [this, events](const QModelIndex &current, const QModelIndex &previous) {
  52                         uint64_t t = events->get_time(current.row());
  53                         if (t != video->position()) {
  54                                 video->setPosition(events->get_time(current.row()));
  55                         } else {
  56                                 // Selection could have changed, so we still need to update.
  57                                 // (Just calling setPosition() would not give us the signal
  58                                 // in this case.)
  59                                 update_ui_from_time(t);
  60                         }
  61                 });
  62
  63         ui->player_view->setModel(players);
  64         ui->player_view->setColumnWidth(0, 30);
  65         ui->player_view->setColumnWidth(1, 20);
  66         ui->player_view->horizontalHeader()->setStretchLastSection(true);
  67
  68         auto formation_changed = [this](const QModelIndex &current, const QModelIndex &previous) {
  69                 update_action_buttons(video->position());
  70         };
  71         ui->offensive_formation_view->setModel(offensive_formations);
  72         ui->defensive_formation_view->setModel(defensive_formations);
  73         connect(ui->offensive_formation_view->selectionModel(), &QItemSelectionModel::currentRowChanged, formation_changed);
  74         connect(ui->defensive_formation_view->selectionModel(), &QItemSelectionModel::currentRowChanged, formation_changed);
  75         connect(ui->offensive_formation_view, &QListView::doubleClicked, [this](const QModelIndex &index) {
  76                 formation_double_clicked(true, index.row());
  77         });
  78         connect(ui->defensive_formation_view, &QListView::doubleClicked, [this](const QModelIndex &index) {
  79                 formation_double_clicked(false, index.row());
  80         });
  81
  82         connect(video, &QMediaPlayer::positionChanged, [this](uint64_t pos) {
  83                 position_changed(pos);
  84         });
  85
  86         video->setVideoOutput(ui->video);
  87
  88         // It's not really clear whether PgUp should be forwards or backwards,
  89         // but mpv does at least up = forwards, so that's probably standard.
  90         QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);
  91         connect(pgdown, &QShortcut::activated, [this]() { seek(-120000); });
  92         QShortcut *pgup = new QShortcut(QKeySequence(Qt::Key_PageUp), this);
  93         connect(pgup, &QShortcut::activated, [this]() { seek(120000); });
  94
  95         // Ugh. Used when Qt messes up and hangs the video.
  96         QShortcut *f5 = new QShortcut(QKeySequence(Qt::Key_F5), this);
  97         connect(f5, &QShortcut::activated, [this]() {
  98                 QVideoWidget *nvw = new QVideoWidget(ui->video->parentWidget());
  99                 nvw->setObjectName("video");
 100                 nvw->setMinimumSize(QSize(320, 240));
 101                 video->setVideoOutput(nvw);
 102                 ui->main_grid->replaceWidget(ui->video, nvw);
 103                 ui->video = nvw;
 104         });
 105
 106         connect(ui->minus10s, &QPushButton::clicked, [this]() { seek(-10000); });
 107         connect(ui->plus10s, &QPushButton::clicked, [this]() { seek(10000); });
 108
 109         connect(ui->minus2s, &QPushButton::clicked, [this]() { seek(-2000); });
 110         connect(ui->plus2s, &QPushButton::clicked, [this]() { seek(2000); });
 111
 112         // TODO: Would be nice to actually have a frame...
 113         connect(ui->minus1f, &QPushButton::clicked, [this]() { seek(-20); });
 114         connect(ui->plus1f, &QPushButton::clicked, [this]() { seek(20); });
 115
 116         connect(ui->play_pause, &QPushButton::clicked, [this]() {
 117                 if (playing) {
 118                         video->pause();
 119                         ui->play_pause->setText("Play (space)");
 120                 } else {
 121                         video->setPlaybackRate(1.0);
 122                         video->play();
 123                         ui->play_pause->setText("Pause (space)");
 124                 }
 125                 playing = !playing;
 126
 127                 // Needs to be set anew when we modify setText(), evidently.
 128                 ui->play_pause->setShortcut(QCoreApplication::translate("MainWindow", "Space", nullptr));
 129         });
 130
 131         connect(ui->player_1, &QPushButton::clicked, [this]() { insert_player_event(0); });
 132         connect(ui->player_2, &QPushButton::clicked, [this]() { insert_player_event(1); });
 133         connect(ui->player_3, &QPushButton::clicked, [this]() { insert_player_event(2); });
 134         connect(ui->player_4, &QPushButton::clicked, [this]() { insert_player_event(3); });
 135         connect(ui->player_5, &QPushButton::clicked, [this]() { insert_player_event(4); });
 136         connect(ui->player_6, &QPushButton::clicked, [this]() { insert_player_event(5); });
 137         connect(ui->player_7, &QPushButton::clicked, [this]() { insert_player_event(6); });
 138
 139         // Offensive events
 140         connect(ui->offense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_offense"); });
 141         connect(ui->catch_, &QPushButton::clicked, [this]() { set_current_event_type("catch"); });
 142         connect(ui->throwaway, &QPushButton::clicked, [this, events]() {
 143                 EventsModel::Status s = events->get_status_at(video->position());
 144                 if (s.attack_state == EventsModel::Status::DEFENSE && s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 145                         insert_noplayer_event("pull_oob");
 146                 } else {
 147                         set_current_event_type("throwaway");
 148                 }
 149         });
 150         connect(ui->drop, &QPushButton::clicked, [this]() { set_current_event_type("drop"); });
 151         connect(ui->goal, &QPushButton::clicked, [this]() { set_current_event_type("goal"); });
 152         connect(ui->offensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_plus"); });
 153         connect(ui->offensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("offensive_soft_minus"); });
 154         connect(ui->pull, &QPushButton::clicked, [this, events]() {
 155                 EventsModel::Status s = events->get_status_at(video->position());
 156                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 157                         set_current_event_type("pull");
 158                 } else if (EventsModel::Status::PULL_IN_AIR) {
 159                         insert_noplayer_event("pull_landed");
 160                 }
 161         });
 162
 163         // Defensive events (TODO add more)
 164         connect(ui->interception, &QPushButton::clicked, [this]() { set_current_event_type("interception"); });
 165         connect(ui->defense_label, &ClickableLabel::clicked, [this]() { insert_noplayer_event("set_defense"); });
 166         connect(ui->their_throwaway, &QPushButton::clicked, [this]() { insert_noplayer_event("their_throwaway"); });
 167         connect(ui->their_goal, &QPushButton::clicked, [this]() { insert_noplayer_event("their_goal"); });
 168         connect(ui->their_pull, &QPushButton::clicked, [this, events]() {
 169                 EventsModel::Status s = events->get_status_at(video->position());
 170                 if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 171                         insert_noplayer_event("their_pull");
 172                 }
 173         });
 174         connect(ui->our_defense, &QPushButton::clicked, [this]() { set_current_event_type("defense"); });
 175         connect(ui->defensive_soft_plus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_plus"); });
 176         connect(ui->defensive_soft_minus, &QPushButton::clicked, [this]() { set_current_event_type("defensive_soft_minus"); });
 177
 178         // Misc. events
 179         connect(ui->substitution, &QPushButton::clicked, [this]() { make_substitution(); });
 180         connect(ui->stoppage, &QPushButton::clicked, [this, events]() {
 181                 EventsModel::Status s = events->get_status_at(video->position());
 182                 if (s.stoppage) {
 183                         insert_noplayer_event("restart");
 184                 } else {
 185                         insert_noplayer_event("stoppage");
 186                 }
 187         });
 188         connect(ui->unknown, &QPushButton::clicked, [this]() { insert_noplayer_event("unknown"); });
 189
 190         QShortcut *key_delete = new QShortcut(QKeySequence(Qt::Key_Delete), this);
 191         connect(key_delete, &QShortcut::activated, [this]() { ui->delete_->animateClick(); });
 192         connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 193 }
 194
 195 void MainWindow::position_changed(uint64_t pos)
 196 {
 197         ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
 198         if (buffered_seek) {
 199                 video->setPosition(*buffered_seek);
 200                 buffered_seek.reset();
 201         }
 202         if (!playing) {
 203                 video->pause();  // We only played to get a picture.
 204         }
 205         if (playing) {
 206                 QModelIndex row = events->get_last_event_qt(video->position());
 207                 ui->event_view->scrollTo(row, QAbstractItemView::PositionAtCenter);
 208         }
 209         update_ui_from_time(pos);
 210 }
 211
 212 void MainWindow::seek(int64_t delta_ms)
 213 {
 214         int64_t current_pos = buffered_seek ? *buffered_seek : video->position();
 215         uint64_t pos = max<int64_t>(current_pos + delta_ms, 0);
 216         buffered_seek = pos;
 217         if (!playing) {
 218                 video->setPlaybackRate(0.01);
 219                 video->play();  // Or Qt won't show the seek.
 220         }
 221 }
 222
 223 void MainWindow::insert_player_event(int button_id)
 224 {
 225         uint64_t t = video->position();
 226         vector<int> team = events->sort_team(events->get_team_at(t));
 227         if (button_id >= team.size()) {
 228                 return;
 229         }
 230         int player_id = team[button_id];
 231
 232         EventsModel::Status s = events->get_status_at(t);
 233
 234         ui->event_view->selectionModel()->blockSignals(true);
 235         if (s.attack_state == EventsModel::Status::OFFENSE) {
 236                 // TODO: Perhaps not if that player already did the last catch?
 237                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt, "catch"));
 238         } else {
 239                 ui->event_view->selectRow(events->insert_event(t, player_id, nullopt));
 240         }
 241         ui->event_view->selectionModel()->blockSignals(false);
 242
 243         update_ui_from_time(t);
 244 }
 245
 246 void MainWindow::insert_noplayer_event(const string &type)
 247 {
 248         uint64_t t = video->position();
 249
 250         ui->event_view->selectionModel()->blockSignals(true);
 251         ui->event_view->selectRow(events->insert_event(t, nullopt, nullopt, type));
 252         ui->event_view->selectionModel()->blockSignals(false);
 253
 254         update_ui_from_time(t);
 255 }
 256
 257 void MainWindow::set_current_event_type(const string &type)
 258 {
 259         QItemSelectionModel *select = ui->event_view->selectionModel();
 260         if (!select->hasSelection()) {
 261                 return;
 262         }
 263         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 264         events->set_event_type(row, type);
 265         update_ui_from_time(video->position());
 266 }
 267
 268 void MainWindow::delete_current_event()
 269 {
 270         QItemSelectionModel *select = ui->event_view->selectionModel();
 271         if (!select->hasSelection()) {
 272                 return;
 273         }
 274         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 275         ui->event_view->selectionModel()->blockSignals(true);
 276         events->delete_event(row);
 277         ui->event_view->selectionModel()->blockSignals(false);
 278         update_ui_from_time(video->position());
 279 }
 280
 281 void MainWindow::make_substitution()
 282 {
 283         QItemSelectionModel *select = ui->player_view->selectionModel();
 284         set<int> new_team;
 285         for (QModelIndex row : select->selectedRows()) {
 286                 new_team.insert(players->get_player_id(row.row()));
 287         }
 288         events->set_team_at(video->position(), new_team);
 289 }
 290
 291 void MainWindow::update_ui_from_time(uint64_t t)
 292 {
 293         update_status(t);
 294         update_player_buttons(t);
 295         update_action_buttons(t);
 296 }
 297
 298 void MainWindow::update_status(uint64_t t)
 299 {
 300         EventsModel::Status s = events->get_status_at(t);
 301         char buf[256];
 302         const char *offense = "not started";
 303         if (s.attack_state == EventsModel::Status::OFFENSE) {
 304                 offense = "offense";
 305         } else if (s.attack_state == EventsModel::Status::DEFENSE) {
 306                 offense = "defense";
 307         }
 308
 309         snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
 310                 s.our_score, s.their_score, offense, s.num_passes, s.possession_sec);
 311         if (s.stoppage_sec > 0) {
 312                 char buf2[256];
 313                 snprintf(buf2, sizeof(buf2), "%s (plus %d sec stoppage)", buf, s.stoppage_sec);
 314                 ui->status->setText(buf2);
 315         } else {
 316                 ui->status->setText(buf);
 317         }
 318 }
 319
 320 void MainWindow::update_player_buttons(uint64_t t)
 321 {
 322         QPushButton *buttons[] = {
 323                 ui->player_1,
 324                 ui->player_2,
 325                 ui->player_3,
 326                 ui->player_4,
 327                 ui->player_5,
 328                 ui->player_6,
 329                 ui->player_7
 330         };
 331         const char shortcuts[] = "qweasdf";
 332         int num_players = 0;
 333         for (int player_id : events->sort_team(events->get_team_at(t))) {
 334                 QPushButton *btn = buttons[num_players];
 335                 string label = players->get_player_name_by_id(player_id) + " (&" + shortcuts[num_players] + ")";
 336                 char shortcut[2] = "";
 337                 shortcut[0] = toupper(shortcuts[num_players]);
 338                 btn->setText(QString::fromUtf8(label));
 339                 btn->setShortcut(QCoreApplication::translate("MainWindow", shortcut, nullptr));
 340                 btn->setEnabled(true);
 341                 if (++num_players == 7) {
 342                         break;
 343                 }
 344         }
 345         for (int i = num_players; i < 7; ++i) {
 346                 QPushButton *btn = buttons[i];
 347                 btn->setText("No player");
 348                 btn->setEnabled(false);
 349         }
 350 }
 351
 352 void MainWindow::update_action_buttons(uint64_t t)
 353 {
 354         {
 355                 QItemSelectionModel *select = ui->offensive_formation_view->selectionModel();
 356                 if (select->hasSelection()) {
 357                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 358                         ui->offensive_formation->setEnabled(offensive_formations->get_formation_id(row) != -1);
 359                 } else {
 360                         ui->offensive_formation->setEnabled(false);
 361                 }
 362         }
 363         {
 364                 QItemSelectionModel *select = ui->defensive_formation_view->selectionModel();
 365                 if (select->hasSelection()) {
 366                         int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 367                         ui->defensive_formation->setEnabled(defensive_formations->get_formation_id(row) != -1);
 368                 } else {
 369                         ui->defensive_formation->setEnabled(false);
 370                 }
 371         }
 372
 373         EventsModel::Status s = events->get_status_at(t);
 374
 375         bool has_selection = false;
 376         bool has_selection_with_player = false;
 377
 378         QItemSelectionModel *select = ui->event_view->selectionModel();
 379         if (select->hasSelection()) {
 380                 has_selection = true;
 381                 int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 382                 has_selection_with_player = events->get_player_id(row).has_value();
 383         }
 384         ui->delete_->setEnabled(has_selection);
 385
 386         if (s.stoppage) {
 387                 ui->stoppage->setText("Restart (&v)");
 388                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 389                 ui->catch_->setEnabled(false);
 390                 ui->throwaway->setEnabled(false);
 391                 ui->drop->setEnabled(false);
 392                 ui->goal->setEnabled(false);
 393                 ui->offensive_soft_plus->setEnabled(false);
 394                 ui->offensive_soft_minus->setEnabled(false);
 395                 ui->pull->setEnabled(false);
 396                 ui->interception->setEnabled(false);
 397                 ui->their_throwaway->setEnabled(false);
 398                 ui->our_defense->setEnabled(false);
 399                 ui->their_goal->setEnabled(false);
 400                 ui->defensive_soft_plus->setEnabled(false);
 401                 ui->defensive_soft_minus->setEnabled(false);
 402                 ui->their_pull->setEnabled(false);
 403                 return;
 404         } else {
 405                 ui->stoppage->setText("Stoppage (&v)");
 406                 ui->stoppage->setShortcut(QCoreApplication::translate("MainWindow", "V", nullptr));
 407         }
 408
 409         // Defaults for pull-related buttons.
 410         ui->pull->setText("Pull (&p)");
 411         ui->their_pull->setText("Their pull (&p)");
 412         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 413         ui->their_pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 414         ui->throwaway->setText("Throwaway (&t)");
 415         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 416
 417         if (s.pull_state == EventsModel::Status::SHOULD_PULL) {
 418                 ui->pull->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 419                 ui->their_pull->setEnabled(s.attack_state == EventsModel::Status::OFFENSE);
 420
 421                 ui->catch_->setEnabled(false);
 422                 ui->throwaway->setEnabled(false);
 423                 ui->drop->setEnabled(false);
 424                 ui->goal->setEnabled(false);
 425                 ui->offensive_soft_plus->setEnabled(false);
 426                 ui->offensive_soft_minus->setEnabled(false);
 427                 ui->interception->setEnabled(false);
 428                 ui->their_throwaway->setEnabled(false);
 429                 ui->our_defense->setEnabled(false);
 430                 ui->their_goal->setEnabled(false);
 431                 ui->defensive_soft_plus->setEnabled(false);
 432                 ui->defensive_soft_minus->setEnabled(false);
 433                 return;
 434         }
 435         if (s.pull_state == EventsModel::Status::PULL_IN_AIR) {
 436                 if (s.attack_state == EventsModel::Status::DEFENSE) {
 437                         ui->pull->setText("Pull landed (&p)");
 438                         ui->pull->setShortcut(QCoreApplication::translate("MainWindow", "P", nullptr));
 439                         ui->pull->setEnabled(true);
 440
 441                         ui->throwaway->setText("Pull OOB (&t)");
 442                         ui->throwaway->setShortcut(QCoreApplication::translate("MainWindow", "T", nullptr));
 443                         ui->throwaway->setEnabled(true);
 444                 } else {
 445                         ui->pull->setEnabled(false);
 446                         ui->throwaway->setEnabled(false);
 447                 }
 448                 ui->their_pull->setEnabled(false);  // We don't track their pull landings; only by means of catch etc.
 449
 450                 ui->catch_->setEnabled(false);
 451                 ui->drop->setEnabled(false);
 452                 ui->goal->setEnabled(false);
 453                 ui->offensive_soft_plus->setEnabled(false);
 454                 ui->offensive_soft_minus->setEnabled(false);
 455                 ui->interception->setEnabled(false);
 456                 ui->their_throwaway->setEnabled(false);
 457                 ui->our_defense->setEnabled(false);
 458                 ui->their_goal->setEnabled(false);
 459                 ui->defensive_soft_plus->setEnabled(false);
 460                 ui->defensive_soft_minus->setEnabled(false);
 461                 return;
 462         }
 463
 464         ui->catch_->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 465         ui->throwaway->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 466         ui->drop->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 467         ui->goal->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 468         ui->offensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 469         ui->offensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::OFFENSE && has_selection_with_player);
 470         ui->pull->setEnabled(false);
 471
 472         ui->interception->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 473         ui->their_throwaway->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 474         ui->our_defense->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 475         ui->their_goal->setEnabled(s.attack_state == EventsModel::Status::DEFENSE);
 476         ui->defensive_soft_plus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 477         ui->defensive_soft_minus->setEnabled(s.attack_state == EventsModel::Status::DEFENSE && has_selection_with_player);
 478         ui->their_pull->setEnabled(false);
 479 }
 480
 481 void MainWindow::formation_double_clicked(bool offense, unsigned row)
 482 {
 483         FormationsModel *formations = offense ? offensive_formations : defensive_formations;
 484         int id = formations->get_formation_id(row);
 485         if (id == -1) {  // “Add new” clicked.
 486                 bool ok;
 487                 QString new_formation_str = QInputDialog::getText(this, "New formation", "Choose name for new formation:", QLineEdit::Normal, "", &ok);
 488                 if (!ok || new_formation_str.isEmpty()) {
 489                         return;
 490                 }
 491
 492                 id = formations->insert_new(new_formation_str.toStdString());
 493                 QListView *view = offense ? ui->offensive_formation_view : ui->defensive_formation_view;
 494                 view->selectionModel()->select(formations->index(formations->get_row_from_id(id), 0), QItemSelectionModel::ClearAndSelect);
 495                 events->inserted_new_formation(id, new_formation_str.toStdString());
 496         } else {
 497                 events->set_formation_at(video->position(), offense, id);
 498         }
 499 }
 500
 501 sqlite3 *open_db(const char *filename)
 502 {
 503         sqlite3 *db;
 504         int ret = sqlite3_open(filename, &db);
 505         if (ret != SQLITE_OK) {
 506                 fprintf(stderr, "%s: %s\n", filename, sqlite3_errmsg(db));
 507                 exit(1);
 508         }
 509
 510         sqlite3_exec(db, R"(
 511                 CREATE TABLE IF NOT EXISTS player (player INTEGER PRIMARY KEY, number VARCHAR, name VARCHAR, gender VARCHAR(1));
 512         )", nullptr, nullptr, nullptr);  // Ignore errors.
 513
 514         sqlite3_exec(db, R"(
 515                 CREATE TABLE IF NOT EXISTS match (match INTEGER PRIMARY KEY, description VARCHAR);
 516         )", nullptr, nullptr, nullptr);  // Ignore errors.
 517
 518         sqlite3_exec(db, R"(
 519                 CREATE TABLE IF NOT EXISTS formation (formation INTEGER PRIMARY KEY, name VARCHAR, offense BOOLEAN NOT NULL);
 520         )", nullptr, nullptr, nullptr);  // Ignore errors.
 521
 522         sqlite3_exec(db, R"(
 523                 CREATE TABLE IF NOT EXISTS event (event INTEGER PRIMARY KEY, match INTEGER, t INTEGER, player INTEGER, type VARCHAR, formation INTEGER, FOREIGN KEY (player) REFERENCES player(player), FOREIGN KEY (match) REFERENCES match (match), FOREIGN KEY (formation) REFERENCES formation (formation));
 524         )", nullptr, nullptr, nullptr);  // Ignore errors.
 525
 526         sqlite3_exec(db, "PRAGMA journal_mode=WAL", nullptr, nullptr, nullptr);  // Ignore errors.
 527         sqlite3_exec(db, "PRAGMA synchronous=NORMAL", nullptr, nullptr, nullptr);  // Ignore errors.
 528         sqlite3_exec(db, "PRAGMA foreign_keys=ON", nullptr, nullptr, nullptr);  // Ignore errors.
 529         return db;
 530 }
 531
 532 int get_match_id(sqlite3 *db, QWidget *parent, int requested_match)
 533 {
 534         QStringList items;
 535         vector<int> ids;
 536         bool requested_match_ok = false;
 537
 538         // Read the list of matches already in the database.
 539         sqlite3_stmt *stmt;
 540         int ret = sqlite3_prepare_v2(db, "SELECT match, description FROM match ORDER BY match", -1, &stmt, 0);
 541         if (ret != SQLITE_OK) {
 542                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
 543                 abort();
 544         }
 545         for ( ;; ) {
 546                 ret = sqlite3_step(stmt);
 547                 if (ret == SQLITE_ROW) {
 548                         char buf[256];
 549                         snprintf(buf, sizeof(buf), "%s (%d)", sqlite3_column_text(stmt, 1), sqlite3_column_int(stmt, 0));
 550                         ids.push_back(sqlite3_column_int(stmt, 0));
 551                         if (ids.back() == requested_match) {
 552                                 requested_match_ok = true;
 553                         }
 554                         items.push_back(buf);
 555                 } else if (ret == SQLITE_DONE) {
 556                         break;
 557                 } else {
 558                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 559                         abort();
 560                 }
 561         }
 562         ret = sqlite3_finalize(stmt);
 563         if (ret != SQLITE_OK) {
 564                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 565                 abort();
 566         }
 567         items.push_back("Add new…");
 568
 569         if (requested_match_ok) {
 570                 return requested_match;
 571         }
 572
 573         QString chosen_str;
 574         {
 575                 QInputDialog dialog(parent, Qt::WindowFlags());
 576                 dialog.setWindowTitle("Open game");
 577                 dialog.setLabelText("Choose game to analyze:");
 578                 dialog.setComboBoxItems(items);
 579                 dialog.setTextValue(items[items.size() - 2]);
 580                 dialog.setOption(QInputDialog::UseListViewForComboBoxItems, true);
 581                 if (!dialog.exec()) {
 582                         return -1;
 583                 }
 584                 chosen_str = dialog.textValue();
 585         }
 586
 587         for (unsigned i = 0; i < ids.size(); ++i) {
 588                 if (chosen_str == items[i]) {
 589                         return ids[i];
 590                 }
 591         }
 592
 593         // Must be a new game. Get its name and insert it into the database.
 594         bool ok;
 595         QString new_game_str = QInputDialog::getText(parent, "New game", "Choose name for new game:", QLineEdit::Normal, "", &ok);
 596         if (!ok || new_game_str.isEmpty()) {
 597                 return -1;
 598         }
 599
 600         // Insert the new row into the database.
 601         ret = sqlite3_prepare_v2(db, "INSERT INTO match (description) VALUES (?)", -1, &stmt, 0);
 602         if (ret != SQLITE_OK) {
 603                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 604                 abort();
 605         }
 606
 607         QByteArray new_game_utf8 = new_game_str.toUtf8();
 608         sqlite3_bind_text(stmt, 1, (const char *)new_game_utf8.data(), new_game_utf8.size(), SQLITE_STATIC);
 609
 610         ret = sqlite3_step(stmt);
 611         if (ret == SQLITE_ROW) {
 612                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 613                 abort();
 614         }
 615
 616         ret = sqlite3_finalize(stmt);
 617         if (ret != SQLITE_OK) {
 618                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 619                 abort();
 620         }
 621
 622         return sqlite3_last_insert_rowid(db);
 623 }
 624
 625 int main(int argc, char *argv[])
 626 {
 627         QApplication app(argc, argv);
 628         sqlite3 *db = open_db("ultimate.db");
 629
 630         // TODO: do this on-demand instead, from a menu
 631         export_to_json(db, "ultimate.json");
 632
 633         int requested_match = -1;
 634         if (argc >= 2) {
 635                 requested_match = atoi(argv[1]);
 636         }
 637
 638         int match_id = get_match_id(db, nullptr, requested_match);
 639         if (match_id <= 0) {  // Cancel.
 640                 return 0;
 641         }
 642
 643         MainWindow mainWindow(new EventsModel(db, match_id), new PlayersModel(db),
 644                               new FormationsModel(db, true), new FormationsModel(db, false));
 645         mainWindow.resize(QSize(1280, 720));
 646         mainWindow.show();
 647
 648         return app.exec();
 649
 650 }