git.sesse.net Git - ultimatescore/blob - carousel.js

   1 'use strict';
   2
   3 function addheading(carousel, colspan, content)
   4 {
   5         let thead = document.createElement("thead");
   6         let tr = document.createElement("tr");
   7         let th = document.createElement("th");
   8         th.innerHTML = content;
   9         th.setAttribute("colspan", colspan);
  10         tr.appendChild(th);
  11         thead.appendChild(tr);
  12         carousel.appendChild(thead);
  13 };
  14 function addtd(tr, className, content) {
  15         let td = document.createElement("td");
  16         td.appendChild(document.createTextNode(content));
  17         td.className = className;
  18         tr.appendChild(td);
  19 };
  20 function addth(tr, className, content) {
  21         let th = document.createElement("th");
  22         th.appendChild(document.createTextNode(content));
  23         th.className = className;
  24         tr.appendChild(th);
  25 };
  26
  27 function subrank_partitions(games, parts, start_rank, tiebreakers) {
  28         let result = [];
  29         for (let i = 0; i < parts.length; ++i) {
  30                 let part = rank(games, parts[i], start_rank, tiebreakers);
  31                 for (let j = 0; j < part.length; ++j) {
  32                         result.push(part[j]);
  33                 }
  34                 start_rank += part.length;
  35         }
  36         return result;
  37 };
  38
  39 function partition(teams, compare)
  40 {
  41         teams.sort(compare);
  42
  43         let parts = [];
  44         let curr_part = [teams[0]];
  45         for (let i = 1; i < teams.length; ++i) {
  46                 if (compare(teams[i], curr_part[0]) != 0) {
  47                         parts.push(curr_part);
  48                         curr_part = [];
  49                 }
  50                 curr_part.push(teams[i]);
  51         }
  52         if (curr_part.length != 0) {
  53                 parts.push(curr_part);
  54         }
  55         return parts;
  56 };
  57
  58 function explain_tiebreaker(parts, rule_name)
  59 {
  60         let result = [];
  61         for (let i = 0; i < parts.length; ++i) {
  62                 result.push(parts[i].map(function(x) { return x.shortname; }).join("/"));
  63         }
  64         return result.join(" > ") + " (" + rule_name + ")";
  65 }
  66
  67 function make_teams_to_idx(teams)
  68 {
  69         let teams_to_idx = [];
  70         for (let i = 0; i < teams.length; i++) {
  71                 teams_to_idx[teams[i].name] = i;
  72         }
  73         return teams_to_idx;
  74 }
  75
  76 function partition_by_beat(teams, fill_beatmatrix)
  77 {
  78         // Head-to-head score by way of components. First construct the beat matrix.
  79         let n = teams.length;
  80         let beat = new Array(n);
  81         let teams_to_idx = make_teams_to_idx(teams);
  82         for (let i = 0; i < n; i++) {
  83                 beat[i] = new Array(n);
  84                 for (let j = 0; j < n; j++) {
  85                         beat[i][j] = 0;
  86                 }
  87         }
  88         fill_beatmatrix(beat, teams_to_idx);
  89         // Floyd-Warshall for transitive closure.
  90         for (let k = 0; k < n; ++k) {
  91                 for (let i = 0; i < n; ++i) {
  92                         for (let j = 0; j < n; ++j) {
  93                                 if (beat[i][k] && beat[k][j]) {
  94                                         beat[i][j] = 1;
  95                                 }
  96                         }
  97                 }
  98         }
  99
 100         // See if we can find any team that is comparable to all others.
 101         for (let pivot_idx = 0; pivot_idx < n; pivot_idx++) {
 102                 let incomparable = false;
 103                 for (let i = 0; i < n; ++i) {
 104                         if (i != pivot_idx && beat[pivot_idx][i] == 0 && beat[i][pivot_idx] == 0) {
 105                                 incomparable = true;
 106                                 break;
 107                         }
 108                 }
 109                 if (!incomparable) {
 110                         // Split the teams into three partitions:
 111                         let better_than_pivot = [], equal = [], worse_than_pivot = [];
 112                         for (let i = 0; i < n; ++i) {
 113                                 let we_beat = (beat[pivot_idx][i] == 1);
 114                                 let they_beat = (beat[i][pivot_idx] == 1);
 115                                 if ((i == pivot_idx) || (we_beat && they_beat)) {
 116                                         equal.push(teams[i]);
 117                                 } else if (we_beat && !they_beat) {
 118                                         worse_than_pivot.push(teams[i]);
 119                                 } else if (they_beat && !we_beat) {
 120                                         better_than_pivot.push(teams[i]);
 121                                 } else {
 122                                         console.log("this shouldn't happen");
 123                                 }
 124                         }
 125                         let result = [];
 126                         if (better_than_pivot.length > 0) {
 127                                 result = partition_by_beat(better_than_pivot, fill_beatmatrix);
 128                         }
 129                         result.push(equal);  // Obviously can't be partitioned further.
 130                         if (worse_than_pivot.length > 0) {
 131                                 result = result.concat(partition_by_beat(worse_than_pivot, fill_beatmatrix));
 132                         }
 133                         return result;
 134                 }
 135         }
 136
 137         // No usable pivot was found, so the graph is inherently
 138         // disconnected, and we cannot partition it.
 139         return [teams];
 140 }
 141
 142 // Takes in an array, gives every element a rank starting with 1, and returns.
 143 function rank(games, teams, start_rank, tiebreakers) {
 144         if (teams.length <= 1) {
 145                 // Only one team, so trivial.
 146                 teams[0].rank = start_rank;
 147                 return teams;
 148         }
 149
 150         // Rule #0: Partition the teams by score.
 151         let score_parts = partition(teams, function(a, b) { return b.pts - a.pts });
 152         if (score_parts.length > 1) {
 153                 return subrank_partitions(games, score_parts, start_rank, tiebreakers);
 154         }
 155
 156         // Rule #1: Head-to-head wins.
 157         let beat_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 158                 for (let i = 0; i < games.length; ++i) {
 159                         let idx1 = teams_to_idx[games[i].name1];
 160                         let idx2 = teams_to_idx[games[i].name2];
 161                         if (idx1 !== undefined && idx2 !== undefined) {
 162                                 if (games[i].score1 > games[i].score2) {
 163                                         beat[idx1][idx2] = 1;
 164                                 }
 165                                 if (games[i].score1 < games[i].score2) {
 166                                         beat[idx2][idx1] = 1;
 167                                 }
 168                         }
 169                 }
 170         });
 171         if (beat_parts.length > 1) {
 172                 tiebreakers.push(explain_tiebreaker(beat_parts, 'head-to-head'));
 173                 return subrank_partitions(games, beat_parts, start_rank, tiebreakers);
 174         }
 175
 176         // Rule #2: Number of games played (fewer is better).
 177         // Actually the rule says “fewest losses”, but fewer games is equivalent
 178         // as long as teams have the same amount of points and ties don't exist.
 179         let nplayed_parts = partition(teams, function(a, b) { return a.nplayed - b.nplayed });
 180         if (nplayed_parts.length > 1) {
 181                 tiebreakers.push(explain_tiebreaker(nplayed_parts, 'fewer losses'));
 182                 return subrank_partitions(games, nplayed_parts, start_rank, tiebreakers);
 183         }
 184
 185         // Rule #3: Head-to-head goal difference.
 186         let teams_to_idx = make_teams_to_idx(teams);
 187         for (let i = 0; i < teams.length; i++) {
 188                 teams[i].h2h_gd = 0;
 189                 teams[i].h2h_goals = 0;
 190         }
 191         for (let i = 0; i < games.length; ++i) {
 192                 let idx1 = teams_to_idx[games[i].name1];
 193                 let idx2 = teams_to_idx[games[i].name2];
 194                 if (idx1 !== undefined && idx2 !== undefined &&
 195                     !isNaN(games[i].score1) && isNaN(games[i].score2)) {
 196                         teams[idx1].h2h_gd += games[i].score1;
 197                         teams[idx1].h2h_gd -= games[i].score2;
 198                         teams[idx2].h2h_gd += games[i].score2;
 199                         teams[idx2].h2h_gd -= games[i].score1;
 200
 201                         teams[idx1].h2h_goals += games[i].score1;
 202                         teams[idx2].h2h_goals += games[i].score2;
 203                 }
 204         }
 205         let h2h_gd_parts = partition(teams, function(a, b) { return b.h2h_gd - a.h2h_gd });
 206         if (h2h_gd_parts.length > 1) {
 207                 tiebreakers.push(explain_tiebreaker(h2h_gd_parts, 'head-to-head goal difference'));
 208                 return subrank_partitions(games, h2h_gd_parts, start_rank, tiebreakers);
 209         }
 210
 211         // Rule #4: Goal difference against common opponents.
 212         var results = {};
 213         for (let i = 0; i < games.length; ++i) {
 214                 if (results[games[i].name1] === undefined) {
 215                         results[games[i].name1] = {};
 216                 }
 217                 if (results[games[i].name2] === undefined) {
 218                         results[games[i].name2] = {};
 219                 }
 220                 results[games[i].name1][games[i].name2] = [ games[i].score1, games[i].score2 ];
 221                 results[games[i].name2][games[i].name1] = [ games[i].score2, games[i].score1 ];
 222         }
 223         let gd_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 224                 for (const team_i of Object.keys(teams_to_idx)) {
 225                         let i = teams_to_idx[team_i];
 226                         for (const team_j of Object.keys(teams_to_idx)) {
 227                                 let j = teams_to_idx[team_j];
 228                                 let results_i = results[team_i], results_j = results[team_j];
 229                                 let gd_i = 0, gd_j = 0;
 230
 231                                 // See if the two teams have both played a third team k.
 232                                 for (let k in results_i) {
 233                                         if (!results_i.hasOwnProperty(k)) continue;
 234                                         if (results_j[k] !== undefined) {
 235                                                 gd_i += results_i[k][0] - results_i[k][1];
 236                                                 gd_j += results_j[k][0] - results_j[k][1];
 237                                         }
 238                                 }
 239
 240                                 if (gd_i > gd_j) {
 241                                         beat[i][j] = 1;
 242                                 } else if (gd_i < gd_j) {
 243                                         beat[j][i] = 1;
 244                                 }
 245                         }
 246                 }
 247         });
 248         if (gd_parts.length > 1) {
 249                 tiebreakers.push(explain_tiebreaker(gd_parts, 'goal difference versus common opponents'));
 250                 return subrank_partitions(games, gd_parts, start_rank, tiebreakers);
 251         }
 252
 253         // Rule #5: Head-to-head scored goals.
 254         let h2h_goals_parts = partition(teams, function(a, b) { return b.h2h_goals - a.h2h_goals });
 255         if (h2h_goals_parts.length > 1) {
 256                 tiebreakers.push(explain_tiebreaker(h2h_goals_parts, 'head-to-head scored goals'));
 257                 return subrank_partitions(games, h2h_goals_parts, start_rank, tiebreakers);
 258         }
 259
 260         // Rule #6: Goals scored against common opponents.
 261         let goals_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 262                 for (const team_i of Object.keys(teams_to_idx)) {
 263                         let i = teams_to_idx[team_i];
 264                         for (const team_j of Object.keys(teams_to_idx)) {
 265                                 let j = teams_to_idx[team_j];
 266                                 let results_i = results[team_i], results_j = results[team_j];
 267                                 let goals_i = 0, goals_j = 0;
 268
 269                                 // See if the two teams have both played a third team k.
 270                                 for (let k in results_i) {
 271                                         if (!results_i.hasOwnProperty(k)) continue;
 272                                         if (results_j[k] !== undefined) {
 273                                                 goals_i += results_i[k][0];
 274                                                 goals_j += results_j[k][0];
 275                                         }
 276                                 }
 277
 278                                 if (goals_i > goals_j) {
 279                                         beat[i][j] = 1;
 280                                 } else if (goals_i < goals_j) {
 281                                         beat[j][i] = 1;
 282                                 }
 283                         }
 284                 }
 285         });
 286         if (goals_parts.length > 1) {
 287                 tiebreakers.push(explain_tiebreaker(goals_parts, 'goals scored against common opponents'));
 288                 return subrank_partitions(games, goals_parts, start_rank, tiebreakers);
 289         }
 290
 291         // OK, it's a tie. Give them all the same rank.
 292         let result = [];
 293         for (let i = 0; i < teams.length; ++i) {
 294                 result.push(teams[i]);
 295                 result[i].rank = start_rank;
 296         }
 297         return result;
 298 };
 299
 300 function parse_teams_from_spreadsheet(response) {
 301         let teams = [];
 302         for (let i = 2; response.values[i].length >= 1; ++i) {
 303                 teams.push({
 304                         "name": response.values[i][0],
 305                         "mediumname": response.values[i][1],
 306                         "shortname": response.values[i][2],
 307                         "tags": response.values[i][3],
 308                         "nplayed": 0,
 309                         "gd": 0,
 310                         "pts": 0,
 311                         "goals": 0
 312                 });
 313         }
 314         return teams;
 315 };
 316
 317 function parse_games_from_spreadsheet(response, group_name, include_unplayed) {
 318         let games = [];
 319         let i;
 320         for (i = 0; i < response.values.length; ++i) {
 321                 if (response.values[i][0] === 'Results') {
 322                         i += 2;
 323                         break;
 324                 }
 325         }
 326
 327         for ( ; response.values[i] !== undefined && response.values[i].length >= 1; ++i) {
 328                 if ((response.values[i][2] && response.values[i][3]) || include_unplayed) {
 329                         let real_group_name = response.values[i][9];
 330                         if (real_group_name === undefined) {
 331                                 real_group_name = group_name;
 332                         }
 333                         games.push({
 334                                 "name1": response.values[i][0],
 335                                 "name2": response.values[i][1],
 336                                 "score1": parseInt(response.values[i][2]),
 337                                 "score2": parseInt(response.values[i][3]),
 338                                 "streamday": response.values[i][7],
 339                                 "streamtime": response.values[i][8],
 340                                 "group_name": real_group_name
 341                         });
 342                 }
 343         }
 344         return games;
 345 };
 346
 347 function display_group(response, group_name)
 348 {
 349         let teams = parse_teams_from_spreadsheet(response);
 350         let games = parse_games_from_spreadsheet(response, group_name, false);
 351         display_group_parsed(teams, games, group_name);
 352 };
 353
 354 function display_group_parsed(teams, games, group_name)
 355 {
 356         document.getElementById('entire-bug').style.display = 'none';
 357
 358         let teams_to_idx = make_teams_to_idx(teams);
 359         for (let i = 0; i < games.length; ++i) {
 360                 let idx1 = teams_to_idx[games[i].name1];
 361                 let idx2 = teams_to_idx[games[i].name2];
 362                 if (games[i].score1 === undefined || games[i].score2 === undefined ||
 363                     isNaN(games[i].score1) || isNaN(games[i].score2) ||
 364                     idx1 === undefined || idx2 === undefined ||
 365                     games[i].score1 == games[i].score2) {
 366                         continue;
 367                 }
 368                 ++teams[idx1].nplayed;
 369                 ++teams[idx2].nplayed;
 370                 teams[idx1].goals += games[i].score1;
 371                 teams[idx2].goals += games[i].score2;
 372                 teams[idx1].gd += games[i].score1;
 373                 teams[idx2].gd += games[i].score2;
 374                 teams[idx1].gd -= games[i].score2;
 375                 teams[idx2].gd -= games[i].score1;
 376                 if (games[i].score1 > games[i].score2) {
 377                         teams[idx1].pts += 2;
 378                 } else {
 379                         teams[idx2].pts += 2;
 380                 }
 381         }
 382
 383         let tiebreakers = [];
 384         teams = rank(games, teams, 1, tiebreakers);
 385
 386         let carousel = document.getElementById('carousel');
 387         clear_carousel(carousel);
 388
 389         addheading(carousel, 5, "Current standings, Trøndisk 2017<br />" + group_name);
 390         let tr = document.createElement("tr");
 391         tr.className = "subfooter";
 392         addth(tr, "rank", "");
 393         addth(tr, "team", "");
 394         addth(tr, "nplayed", "P");
 395         addth(tr, "gd", "GD");
 396         addth(tr, "pts", "Pts");
 397         carousel.appendChild(tr);
 398
 399         let row_num = 2;
 400         for (let i = 0; i < teams.length; ++i) {
 401                 let tr = document.createElement("tr");
 402
 403                 addth(tr, "rank", teams[i].rank);
 404                 addtd(tr, "team", teams[i].name);
 405                 addtd(tr, "nplayed", teams[i].nplayed);
 406                 addtd(tr, "gd", teams[i].gd.toString().replace(/-/, '−'));
 407                 addtd(tr, "pts", teams[i].pts);
 408
 409                 carousel.appendChild(tr);
 410         }
 411
 412         if (tiebreakers.length > 0) {
 413                 let tie_tr = document.createElement("tr");
 414                 tie_tr.className = "footer";
 415                 let td = document.createElement("td");
 416                 td.appendChild(document.createTextNode("Tiebreaks applied: " + tiebreakers.join(', ')));
 417                 td.setAttribute("colspan", "5");
 418                 tie_tr.appendChild(td);
 419                 carousel.appendChild(tie_tr);
 420         }
 421
 422         let footer_tr = document.createElement("tr");
 423         footer_tr.className = "footer";
 424         let td = document.createElement("td");
 425         td.appendChild(document.createTextNode("www.trondheimfrisbeeklubb.no | #trøndisk"));
 426         td.setAttribute("colspan", "5");
 427         footer_tr.appendChild(td);
 428         carousel.appendChild(footer_tr);
 429
 430         fade_in_rows(carousel);
 431
 432         carousel.style.display = 'table';
 433 };
 434
 435 function fade_in_rows(table)
 436 {
 437         let trs = table.getElementsByTagName("tr");
 438         for (let i = 1; i < trs.length; ++i) {  // The header already has its own fade-in.
 439                 if (trs[i].className === "footer") {
 440                         trs[i].style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 441                 } else {
 442                         trs[i].style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 443                 }
 444         }
 445 };
 446
 447 function fade_out_rows(table)
 448 {
 449         let trs = table.getElementsByTagName("tr");
 450         for (let i = 0; i < trs.length; ++i) {
 451                 if (trs[i].className === "footer") {
 452                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 453                 } else {
 454                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 455                 }
 456         }
 457 };
 458
 459 function clear_carousel(table)
 460 {
 461         while (table.childNodes.length > 0) {
 462                 table.removeChild(table.firstChild);
 463         }
 464 };
 465
 466 // Stream schedule
 467 let max_list_len = 8;
 468
 469 function display_stream_schedule(response, group_name) {
 470         let teams = parse_teams_from_spreadsheet(response);
 471         let games = parse_games_from_spreadsheet(response, group_name, true);
 472         display_stream_schedule_parsed(teams, games, 0);
 473 };
 474
 475 function sort_game_list(games) {
 476         games = games.filter(function(game) { return game.streamtime !== undefined && game.streamtime.match(/[0-9]+:[0-9]+/) != null; });
 477         games.sort(function(a, b) {
 478                 if (a.streamday !== b.streamday) {
 479                         return a.streamday - b.streamday;
 480                 }
 481
 482                 let m1 = a.streamtime.match(/([0-9]+):([0-9]+)/);
 483                 let m2 = b.streamtime.match(/([0-9]+):([0-9]+)/);
 484                 return (m1[1] * 60 + m1[2]) - (m2[1] * 60 + m2[2]);
 485         });
 486         return games;
 487 }
 488
 489 function find_game_start_idx(games) {
 490         // Pick out a reasonable place to start the list. We'll show the last
 491         // completed match and start from there.
 492         let start_idx = games.length - 1;
 493         for (let i = 0; i < games.length; ++i) {
 494                 if (isNaN(games[i].score1) || isNaN(games[i].score2) &&
 495                     games[i].score1 === games[i].score2) {
 496                         start_idx = i;
 497                         break;
 498                 }
 499         }
 500         if (start_idx > 0) start_idx--;
 501         if (games.length >= max_list_len) {
 502                 start_idx = Math.min(start_idx, games.length - max_list_len);
 503         }
 504         return start_idx;
 505 }
 506
 507 function find_num_pages(games) {
 508         games = sort_game_list(games);
 509         let start_idx = find_game_start_idx(games);
 510         return Math.ceil((games.length - start_idx) / max_list_len);
 511 }
 512
 513 function display_stream_schedule_parsed(teams, games, page) {
 514         document.getElementById('entire-bug').style.display = 'none';
 515
 516         games = sort_game_list(games);
 517         let start_idx = find_game_start_idx(games);
 518
 519         start_idx += page * max_list_len;
 520         if (start_idx >= games.length) {
 521                 // Error.
 522                 return;
 523         }
 524
 525         let days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
 526         let shortdays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
 527         let today = days[(new Date).getDay()];
 528
 529         let covered_days = [];
 530         let row_num = 0;
 531         for (let i = start_idx; i < games.length && row_num++ < max_list_len; ++i) {
 532                 if (i == start_idx || games[i].streamday != games[i - 1].streamday) {
 533                         covered_days.push(days[games[i].streamday]);
 534                 }
 535         }
 536
 537         let carousel = document.getElementById('carousel');
 538         clear_carousel(carousel);
 539         addheading(carousel, 3, "Stream schedule, Trøndisk 2017<br />" + covered_days.join('/') + " (all times CET)");
 540
 541         let teams_to_idx = make_teams_to_idx(teams);
 542         row_num = 0;
 543         for (let i = start_idx; i < games.length && row_num < max_list_len; ++i) {
 544                 let tr = document.createElement("tr");
 545
 546                 let name1 = teams[teams_to_idx[games[i].name1]].mediumname;
 547                 let name2 = teams[teams_to_idx[games[i].name2]].mediumname;
 548
 549                 addtd(tr, "matchup", name1 + "–" + name2);
 550                 addtd(tr, "group", games[i].group_name);
 551
 552                 if (!isNaN(games[i].score1) && !isNaN(games[i].score2) &&
 553                     games[i].score1 !== games[i].score2) {
 554                         addtd(tr, "streamtime", games[i].score1 + "–" + games[i].score2);
 555                 } else {
 556                         let streamtime = games[i].streamtime;
 557                         let streamday = days[games[i].streamday];
 558                         if (streamday !== today) {
 559                                 streamtime = shortdays[games[i].streamday] + " " + streamtime;
 560                         }
 561                         addth(tr, "streamtime", streamtime);
 562                 }
 563
 564                 row_num++;
 565                 carousel.appendChild(tr);
 566         }
 567
 568         fade_in_rows(carousel);
 569
 570         carousel.style.display = 'table';
 571 };
 572
 573 function get_group(group_name, cb)
 574 {
 575         let req = new XMLHttpRequest();
 576         req.onload = function(e) {
 577                 cb(JSON.parse(req.responseText), group_name);
 578         };
 579         req.open('GET', 'https://sheets.googleapis.com/v4/spreadsheets/122tIwrXTi5ug0Vv6Np5w3pVwEWE2KkjWxtzQQfGtOZA/values/\'' + group_name + '\'!A1:J50?key=AIzaSyAuP9yQn8g0bSay6r_RpGtpFeIbwprH1TU');
 580         req.send();
 581 };
 582
 583 function showgroup(group_name)
 584 {
 585         get_group(group_name, display_group);
 586 };
 587
 588 function showgroup_from_state()
 589 {
 590         showgroup(state['group_name']);
 591 };
 592
 593 let carousel_timeout = null;
 594
 595 function hidetable()
 596 {
 597         fade_out_rows(document.getElementById('carousel'));
 598 };
 599
 600 function showschedule(page)
 601 {
 602         let teams = [];
 603         let games = [];
 604         let num_left = 3;
 605
 606         let cb = function(response, group_name) {
 607                 teams = teams.concat(parse_teams_from_spreadsheet(response));
 608                 games = games.concat(parse_games_from_spreadsheet(response, group_name, true));
 609                 if (--num_left == 0) {
 610                         display_stream_schedule_parsed(teams, games, 0);
 611                 }
 612         };
 613
 614         get_group('Group A', cb);
 615         get_group('Group B', cb);
 616         get_group('Playoffs', cb);
 617 };
 618
 619 function do_series(series)
 620 {
 621         do_series_internal(series, 0);
 622 };
 623
 624 function do_series_internal(series, idx)
 625 {
 626         (series[idx][1])();
 627         if (idx + 1 < series.length) {
 628                 carousel_timeout = setTimeout(function() { do_series_internal(series, idx + 1); }, series[idx][0]);
 629         }
 630 };
 631
 632 function showcarousel()
 633 {
 634         let teams_per_group = [];
 635         let games_per_group = [];
 636         let combined_teams = [];
 637         let combined_games = [];
 638         let num_left = 3;
 639
 640         let cb = function(response, group_name) {
 641                 let teams = parse_teams_from_spreadsheet(response);
 642                 let games = parse_games_from_spreadsheet(response, group_name, true);
 643                 teams_per_group[group_name] = teams;
 644                 games_per_group[group_name] = games;
 645
 646                 combined_teams = combined_teams.concat(teams);
 647                 combined_games = combined_games.concat(games);
 648                 if (--num_left == 0) {
 649                         let series = [
 650                                 [ 13000, function() { display_group_parsed(teams_per_group['Group A'], games_per_group['Group A'], 'Group A'); } ],
 651                                 [ 2000, function() { hidetable(); } ],
 652                                 [ 13000, function() { display_group_parsed(teams_per_group['Group B'], games_per_group['Group B'], 'Group B'); } ],
 653                                 [ 2000, function() { hidetable(); } ]
 654                         ];
 655                         let num_pages = find_num_pages(combined_games);
 656                         for (let page = 0; page < num_pages; ++page) {
 657                                 series.push([ 13000, function() { display_stream_schedule_parsed(combined_teams, combined_games, page); } ]);
 658                                 series.push([ 2000, function() { hidetable(); } ]);
 659                         }
 660
 661                         do_series(series);
 662                 }
 663         };
 664
 665         get_group('Group A', cb);
 666         get_group('Group B', cb);
 667         get_group('Playoffs', cb);
 668 };
 669
 670 function stopcarousel()
 671 {
 672         if (carousel_timeout !== null) {
 673                 hidetable();
 674                 clearTimeout(carousel_timeout);
 675                 carousel_timeout = null;
 676         }
 677 };
 678
 679 function hidescorebug()
 680 {
 681         document.getElementById('entire-bug').style.display = 'none';
 682 }
 683
 684 function showscorebug()
 685 {
 686         document.getElementById('entire-bug').style.display = null;
 687 };
 688