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                 teams_to_idx[teams[i].mediumname] = i;
  73                 teams_to_idx[teams[i].shortname] = i;
  74         }
  75         return teams_to_idx;
  76 }
  77
  78 function partition_by_beat(teams, fill_beatmatrix)
  79 {
  80         // Head-to-head score by way of components. First construct the beat matrix.
  81         let n = teams.length;
  82         let beat = new Array(n);
  83         let teams_to_idx = make_teams_to_idx(teams);
  84         for (let i = 0; i < n; i++) {
  85                 beat[i] = new Array(n);
  86                 for (let j = 0; j < n; j++) {
  87                         beat[i][j] = 0;
  88                 }
  89         }
  90         fill_beatmatrix(beat, teams_to_idx);
  91         // Floyd-Warshall for transitive closure.
  92         for (let k = 0; k < n; ++k) {
  93                 for (let i = 0; i < n; ++i) {
  94                         for (let j = 0; j < n; ++j) {
  95                                 if (beat[i][k] && beat[k][j]) {
  96                                         beat[i][j] = 1;
  97                                 }
  98                         }
  99                 }
 100         }
 101
 102         // See if we can find any team that is comparable to all others.
 103         for (let pivot_idx = 0; pivot_idx < n; pivot_idx++) {
 104                 let incomparable = false;
 105                 for (let i = 0; i < n; ++i) {
 106                         if (i != pivot_idx && beat[pivot_idx][i] == 0 && beat[i][pivot_idx] == 0) {
 107                                 incomparable = true;
 108                                 break;
 109                         }
 110                 }
 111                 if (!incomparable) {
 112                         // Split the teams into three partitions:
 113                         let better_than_pivot = [], equal = [], worse_than_pivot = [];
 114                         for (let i = 0; i < n; ++i) {
 115                                 let we_beat = (beat[pivot_idx][i] == 1);
 116                                 let they_beat = (beat[i][pivot_idx] == 1);
 117                                 if ((i == pivot_idx) || (we_beat && they_beat)) {
 118                                         equal.push(teams[i]);
 119                                 } else if (we_beat && !they_beat) {
 120                                         worse_than_pivot.push(teams[i]);
 121                                 } else if (they_beat && !we_beat) {
 122                                         better_than_pivot.push(teams[i]);
 123                                 } else {
 124                                         console.log("this shouldn't happen");
 125                                 }
 126                         }
 127                         let result = [];
 128                         if (better_than_pivot.length > 0) {
 129                                 result = partition_by_beat(better_than_pivot, fill_beatmatrix);
 130                         }
 131                         result.push(equal);  // Obviously can't be partitioned further.
 132                         if (worse_than_pivot.length > 0) {
 133                                 result = result.concat(partition_by_beat(worse_than_pivot, fill_beatmatrix));
 134                         }
 135                         return result;
 136                 }
 137         }
 138
 139         // No usable pivot was found, so the graph is inherently
 140         // disconnected, and we cannot partition it.
 141         return [teams];
 142 }
 143
 144 // Takes in an array, gives every element a rank starting with 1, and returns.
 145 function rank(games, teams, start_rank, tiebreakers) {
 146         if (teams.length <= 1) {
 147                 // Only one team, so trivial.
 148                 teams[0].rank = start_rank;
 149                 return teams;
 150         }
 151
 152         // Rule #0: Partition the teams by score.
 153         let score_parts = partition(teams, function(a, b) { return b.pts - a.pts });
 154         if (score_parts.length > 1) {
 155                 return subrank_partitions(games, score_parts, start_rank, tiebreakers);
 156         }
 157
 158         // Rule #1: Head-to-head wins.
 159         let num_relevant_games = 0;
 160         let beat_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 161                 for (let i = 0; i < games.length; ++i) {
 162                         let idx1 = teams_to_idx[games[i].name1];
 163                         let idx2 = teams_to_idx[games[i].name2];
 164                         if (idx1 !== undefined && idx2 !== undefined) {
 165                                 if (games[i].score1 > games[i].score2) {
 166                                         beat[idx1][idx2] = 1;
 167                                         ++num_relevant_games;
 168                                 } else if (games[i].score1 < games[i].score2) {
 169                                         beat[idx2][idx1] = 1;
 170                                         ++num_relevant_games;
 171                                 }
 172                         }
 173                 }
 174         });
 175         if (beat_parts.length > 1) {
 176                 tiebreakers.push(explain_tiebreaker(beat_parts, 'head-to-head'));
 177                 return subrank_partitions(games, beat_parts, start_rank, tiebreakers);
 178         }
 179
 180         // Rule #2: Number of games played (fewer is better).
 181         // Actually the rule says “fewest losses”, but fewer games is equivalent
 182         // as long as teams have the same amount of points and ties don't exist.
 183         let nplayed_parts = partition(teams, function(a, b) { return a.nplayed - b.nplayed });
 184         if (nplayed_parts.length > 1) {
 185                 tiebreakers.push(explain_tiebreaker(nplayed_parts, 'fewer losses'));
 186                 return subrank_partitions(games, nplayed_parts, start_rank, tiebreakers);
 187         }
 188
 189         // Rule #3: Head-to-head goal difference (if all have played).
 190         let teams_to_idx = make_teams_to_idx(teams);
 191         if (num_relevant_games >= teams.length * (teams.length - 1) / 2) {
 192                 for (let i = 0; i < teams.length; i++) {
 193                         teams[i].h2h_gd = 0;
 194                         teams[i].h2h_goals = 0;
 195                 }
 196                 for (let i = 0; i < games.length; ++i) {
 197                         let idx1 = teams_to_idx[games[i].name1];
 198                         let idx2 = teams_to_idx[games[i].name2];
 199                         if (idx1 !== undefined && idx2 !== undefined &&
 200                             !isNaN(games[i].score1) && !isNaN(games[i].score2)) {
 201                                 teams[idx1].h2h_gd += games[i].score1;
 202                                 teams[idx1].h2h_gd -= games[i].score2;
 203                                 teams[idx2].h2h_gd += games[i].score2;
 204                                 teams[idx2].h2h_gd -= games[i].score1;
 205
 206                                 teams[idx1].h2h_goals += games[i].score1;
 207                                 teams[idx2].h2h_goals += games[i].score2;
 208                         }
 209                 }
 210                 let h2h_gd_parts = partition(teams, function(a, b) { return b.h2h_gd - a.h2h_gd });
 211                 if (h2h_gd_parts.length > 1) {
 212                         tiebreakers.push(explain_tiebreaker(h2h_gd_parts, 'head-to-head goal difference'));
 213                         return subrank_partitions(games, h2h_gd_parts, start_rank, tiebreakers);
 214                 }
 215         }
 216
 217         // Rule #4: Goal difference against common opponents.
 218         var results = {};
 219         for (let i = 0; i < games.length; ++i) {
 220                 if (results[games[i].name1] === undefined) {
 221                         results[games[i].name1] = {};
 222                 }
 223                 if (results[games[i].name2] === undefined) {
 224                         results[games[i].name2] = {};
 225                 }
 226                 results[games[i].name1][games[i].name2] = [ games[i].score1, games[i].score2 ];
 227                 results[games[i].name2][games[i].name1] = [ games[i].score2, games[i].score1 ];
 228         }
 229         let gd_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 230                 for (const team_i of Object.keys(teams_to_idx)) {
 231                         let i = teams_to_idx[team_i];
 232                         for (const team_j of Object.keys(teams_to_idx)) {
 233                                 let j = teams_to_idx[team_j];
 234                                 let results_i = results[team_i], results_j = results[team_j];
 235                                 let gd_i = 0, gd_j = 0;
 236
 237                                 // See if the two teams have both played a third team k.
 238                                 for (let k in results_i) {
 239                                         if (!results_i.hasOwnProperty(k)) continue;
 240                                         if (results_j !== undefined && results_j[k] !== undefined) {
 241                                                 gd_i += results_i[k][0] - results_i[k][1];
 242                                                 gd_j += results_j[k][0] - results_j[k][1];
 243                                         }
 244                                 }
 245
 246                                 if (gd_i > gd_j) {
 247                                         beat[i][j] = 1;
 248                                 } else if (gd_i < gd_j) {
 249                                         beat[j][i] = 1;
 250                                 }
 251                         }
 252                 }
 253         });
 254         if (gd_parts.length > 1) {
 255                 tiebreakers.push(explain_tiebreaker(gd_parts, 'goal difference versus common opponents'));
 256                 return subrank_partitions(games, gd_parts, start_rank, tiebreakers);
 257         }
 258
 259         // Rule #5: Head-to-head scored goals (if all have played).
 260         if (num_relevant_games >= teams.length * (teams.length - 1) / 2) {
 261                 let h2h_goals_parts = partition(teams, function(a, b) { return b.h2h_goals - a.h2h_goals });
 262                 if (h2h_goals_parts.length > 1) {
 263                         tiebreakers.push(explain_tiebreaker(h2h_goals_parts, 'head-to-head scored goals'));
 264                         return subrank_partitions(games, h2h_goals_parts, start_rank, tiebreakers);
 265                 }
 266         }
 267
 268         // Rule #6: Goals scored against common opponents.
 269         let goals_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 270                 for (const team_i of Object.keys(teams_to_idx)) {
 271                         let i = teams_to_idx[team_i];
 272                         for (const team_j of Object.keys(teams_to_idx)) {
 273                                 let j = teams_to_idx[team_j];
 274                                 let results_i = results[team_i], results_j = results[team_j];
 275                                 let goals_i = 0, goals_j = 0;
 276
 277                                 // See if the two teams have both played a third team k.
 278                                 for (let k in results_i) {
 279                                         if (!results_i.hasOwnProperty(k)) continue;
 280                                         if (results_j !== undefined && results_j[k] !== undefined) {
 281                                                 goals_i += results_i[k][0];
 282                                                 goals_j += results_j[k][0];
 283                                         }
 284                                 }
 285
 286                                 if (goals_i > goals_j) {
 287                                         beat[i][j] = 1;
 288                                 } else if (goals_i < goals_j) {
 289                                         beat[j][i] = 1;
 290                                 }
 291                         }
 292                 }
 293         });
 294         if (goals_parts.length > 1) {
 295                 tiebreakers.push(explain_tiebreaker(goals_parts, 'goals scored against common opponents'));
 296                 return subrank_partitions(games, goals_parts, start_rank, tiebreakers);
 297         }
 298
 299         // OK, it's a tie. Give them all the same rank.
 300         let result = [];
 301         for (let i = 0; i < teams.length; ++i) {
 302                 result.push(teams[i]);
 303                 result[i].rank = start_rank;
 304         }
 305         return result;
 306 };
 307
 308 function parse_teams_from_spreadsheet(response) {
 309         let teams = [];
 310         for (let i = 2; response.values[i].length >= 1; ++i) {
 311                 teams.push({
 312                         "name": response.values[i][0],
 313                         "mediumname": response.values[i][1],
 314                         "shortname": response.values[i][2],
 315                         "tags": response.values[i][3],
 316                         "nplayed": 0,
 317                         "gd": 0,
 318                         "pts": 0,
 319                         "goals": 0
 320                 });
 321         }
 322         return teams;
 323 };
 324
 325 function parse_games_from_spreadsheet(response, group_name, include_unplayed) {
 326         let games = [];
 327         let i;
 328         for (i = 0; i < response.values.length; ++i) {
 329                 if (response.values[i][0] === 'Results') {
 330                         i += 2;
 331                         break;
 332                 }
 333         }
 334
 335         for ( ; response.values[i] !== undefined && response.values[i].length >= 1; ++i) {
 336                 if ((response.values[i][2] && response.values[i][3]) || include_unplayed) {
 337                         let real_group_name = response.values[i][9];
 338                         if (real_group_name === undefined) {
 339                                 real_group_name = group_name;
 340                         }
 341                         games.push({
 342                                 "name1": response.values[i][0],
 343                                 "name2": response.values[i][1],
 344                                 "score1": parseInt(response.values[i][2]),
 345                                 "score2": parseInt(response.values[i][3]),
 346                                 "streamday": response.values[i][7],
 347                                 "streamtime": response.values[i][8],
 348                                 "group_name": real_group_name
 349                         });
 350                 }
 351         }
 352         return games;
 353 };
 354
 355 function display_group(response, group_name)
 356 {
 357         let teams = parse_teams_from_spreadsheet(response);
 358         let games = parse_games_from_spreadsheet(response, group_name, false);
 359         display_group_parsed(teams, games, group_name);
 360 };
 361
 362 function display_group_parsed(teams, games, group_name)
 363 {
 364         document.getElementById('entire-bug').style.display = 'none';
 365
 366         let teams_to_idx = make_teams_to_idx(teams);
 367         for (let i = 0; i < games.length; ++i) {
 368                 let idx1 = teams_to_idx[games[i].name1];
 369                 let idx2 = teams_to_idx[games[i].name2];
 370                 if (games[i].score1 === undefined || games[i].score2 === undefined ||
 371                     isNaN(games[i].score1) || isNaN(games[i].score2) ||
 372                     idx1 === undefined || idx2 === undefined ||
 373                     games[i].score1 == games[i].score2) {
 374                         continue;
 375                 }
 376                 ++teams[idx1].nplayed;
 377                 ++teams[idx2].nplayed;
 378                 teams[idx1].goals += games[i].score1;
 379                 teams[idx2].goals += games[i].score2;
 380                 teams[idx1].gd += games[i].score1;
 381                 teams[idx2].gd += games[i].score2;
 382                 teams[idx1].gd -= games[i].score2;
 383                 teams[idx2].gd -= games[i].score1;
 384                 if (games[i].score1 > games[i].score2) {
 385                         teams[idx1].pts += 2;
 386                 } else {
 387                         teams[idx2].pts += 2;
 388                 }
 389         }
 390
 391         let tiebreakers = [];
 392         teams = rank(games, teams, 1, tiebreakers);
 393
 394         let carousel = document.getElementById('carousel');
 395         clear_carousel(carousel);
 396
 397         addheading(carousel, 5, "Current standings<br />" + group_name);
 398         let tr = document.createElement("tr");
 399         tr.className = "subfooter";
 400         addth(tr, "rank", "");
 401         addth(tr, "team", "");
 402         addth(tr, "nplayed", "P");
 403         addth(tr, "gd", "GD");
 404         addth(tr, "pts", "Pts");
 405         carousel.appendChild(tr);
 406
 407         let row_num = 2;
 408         for (let i = 0; i < teams.length; ++i) {
 409                 let tr = document.createElement("tr");
 410
 411                 addth(tr, "rank", teams[i].rank);
 412                 addtd(tr, "team", teams[i].name);
 413                 addtd(tr, "nplayed", teams[i].nplayed);
 414                 addtd(tr, "gd", teams[i].gd.toString().replace(/-/, '−'));
 415                 addtd(tr, "pts", teams[i].pts);
 416
 417                 carousel.appendChild(tr);
 418         }
 419
 420         if (tiebreakers.length > 0) {
 421                 let tie_tr = document.createElement("tr");
 422                 tie_tr.className = "footer";
 423                 let td = document.createElement("td");
 424                 td.appendChild(document.createTextNode("Tiebreaks applied: " + tiebreakers.join(', ')));
 425                 td.setAttribute("colspan", "5");
 426                 tie_tr.appendChild(td);
 427                 carousel.appendChild(tie_tr);
 428         }
 429
 430         let footer_tr = document.createElement("tr");
 431         footer_tr.className = "footer";
 432         let td = document.createElement("td");
 433         td.appendChild(document.createTextNode("Norwegian Ultimate Championships 2018 | #ultimatenm"));
 434         td.setAttribute("colspan", "5");
 435         footer_tr.appendChild(td);
 436         carousel.appendChild(footer_tr);
 437
 438         fade_in_rows(carousel);
 439
 440         carousel.style.display = 'table';
 441 };
 442
 443 function fade_in_rows(table)
 444 {
 445         let trs = table.getElementsByTagName("tr");
 446         for (let i = 1; i < trs.length; ++i) {  // The header already has its own fade-in.
 447                 if (trs[i].className === "footer") {
 448                         trs[i].style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 449                 } else {
 450                         trs[i].style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 451                 }
 452         }
 453 };
 454
 455 function fade_out_rows(table)
 456 {
 457         let trs = table.getElementsByTagName("tr");
 458         for (let i = 0; i < trs.length; ++i) {
 459                 if (trs[i].className === "footer") {
 460                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 461                 } else {
 462                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 463                 }
 464         }
 465 };
 466
 467 function clear_carousel(table)
 468 {
 469         while (table.childNodes.length > 0) {
 470                 table.removeChild(table.firstChild);
 471         }
 472 };
 473
 474 // Stream schedule
 475 let max_list_len = 8;
 476
 477 function display_stream_schedule(response, group_name) {
 478         let teams = parse_teams_from_spreadsheet(response);
 479         let games = parse_games_from_spreadsheet(response, group_name, true);
 480         display_stream_schedule_parsed(teams, games, 0);
 481 };
 482
 483 function sort_game_list(games) {
 484         games = games.filter(function(game) { return game.streamtime !== undefined && game.streamtime.match(/[0-9]+:[0-9]+/) != null; });
 485         games.sort(function(a, b) {
 486                 if (a.streamday !== b.streamday) {
 487                         return a.streamday - b.streamday;
 488                 }
 489
 490                 let m1 = a.streamtime.match(/([0-9]+):([0-9]+)/);
 491                 let m2 = b.streamtime.match(/([0-9]+):([0-9]+)/);
 492                 return (m1[1] * 60 + m1[2]) - (m2[1] * 60 + m2[2]);
 493         });
 494         return games;
 495 }
 496
 497 function find_game_start_idx(games) {
 498         // Pick out a reasonable place to start the list. We'll show the last
 499         // completed match and start from there.
 500         let start_idx = games.length - 1;
 501         for (let i = 0; i < games.length; ++i) {
 502                 if (isNaN(games[i].score1) || isNaN(games[i].score2) &&
 503                     games[i].score1 === games[i].score2) {
 504                         start_idx = i;
 505                         break;
 506                 }
 507         }
 508         if (start_idx > 0) start_idx--;
 509         if (games.length >= max_list_len) {
 510                 start_idx = Math.min(start_idx, games.length - max_list_len);
 511         }
 512         return start_idx;
 513 }
 514
 515 function find_num_pages(games) {
 516         games = sort_game_list(games);
 517         let start_idx = find_game_start_idx(games);
 518         return Math.ceil((games.length - start_idx) / max_list_len);
 519 }
 520
 521 function display_stream_schedule_parsed(teams, games, page) {
 522         document.getElementById('entire-bug').style.display = 'none';
 523
 524         games = sort_game_list(games);
 525         let start_idx = find_game_start_idx(games);
 526
 527         start_idx += page * max_list_len;
 528         if (start_idx >= games.length) {
 529                 // Error.
 530                 return;
 531         }
 532
 533         let days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
 534         let shortdays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
 535         let today = days[(new Date).getDay()];
 536
 537         let covered_days = [];
 538         let row_num = 0;
 539         for (let i = start_idx; i < games.length && row_num++ < max_list_len; ++i) {
 540                 if (i == start_idx || games[i].streamday != games[i - 1].streamday) {
 541                         covered_days.push(days[games[i].streamday]);
 542                 }
 543         }
 544
 545         let carousel = document.getElementById('carousel');
 546         clear_carousel(carousel);
 547         addheading(carousel, 3, "Match schedule<br />" + covered_days.join('/') + " (all times CET)");
 548
 549         let teams_to_idx = make_teams_to_idx(teams);
 550         row_num = 0;
 551         for (let i = start_idx; i < games.length && row_num < max_list_len; ++i) {
 552                 let tr = document.createElement("tr");
 553
 554                 let name1 = teams[teams_to_idx[games[i].name1]].mediumname;
 555                 let name2 = teams[teams_to_idx[games[i].name2]].mediumname;
 556
 557                 addtd(tr, "matchup", name1 + "–" + name2);
 558                 addtd(tr, "group", games[i].group_name);
 559
 560                 if (!isNaN(games[i].score1) && !isNaN(games[i].score2) &&
 561                     games[i].score1 !== games[i].score2) {
 562                         addtd(tr, "streamtime", games[i].score1 + "–" + games[i].score2);
 563                 } else {
 564                         let streamtime = games[i].streamtime;
 565                         let streamday = days[games[i].streamday];
 566                         if (streamday !== today) {
 567                                 streamtime = shortdays[games[i].streamday] + " " + streamtime;
 568                         }
 569                         addth(tr, "streamtime", streamtime);
 570                 }
 571
 572                 row_num++;
 573                 carousel.appendChild(tr);
 574         }
 575
 576         fade_in_rows(carousel);
 577
 578         carousel.style.display = 'table';
 579 };
 580
 581 function get_group(group_name, cb)
 582 {
 583         let req = new XMLHttpRequest();
 584         req.onload = function(e) {
 585                 cb(JSON.parse(req.responseText), group_name);
 586         };
 587         req.open('GET', 'https://sheets.googleapis.com/v4/spreadsheets/122tIwrXTi5ug0Vv6Np5w3pVwEWE2KkjWxtzQQfGtOZA/values/\'' + group_name + '\'!A1:J50?key=AIzaSyAuP9yQn8g0bSay6r_RpGtpFeIbwprH1TU');
 588         req.send();
 589 };
 590
 591 function showgroup(group_name)
 592 {
 593         get_group(group_name, display_group);
 594 };
 595
 596 function showgroup_from_state()
 597 {
 598         showgroup(state['group_name']);
 599 };
 600
 601 let carousel_timeout = null;
 602
 603 function hidetable()
 604 {
 605         fade_out_rows(document.getElementById('carousel'));
 606 };
 607
 608 function showschedule(page)
 609 {
 610         let teams = [];
 611         let games = [];
 612         let num_left = 3;
 613
 614         let cb = function(response, group_name) {
 615                 teams = teams.concat(parse_teams_from_spreadsheet(response));
 616                 games = games.concat(parse_games_from_spreadsheet(response, group_name, true));
 617                 if (--num_left == 0) {
 618                         display_stream_schedule_parsed(teams, games, 0);
 619                 }
 620         };
 621
 622         get_group('Group A', cb);
 623         get_group('Group B', cb);
 624         get_group('Playoffs', cb);
 625 };
 626
 627 function do_series(series)
 628 {
 629         do_series_internal(series, 0);
 630 };
 631
 632 function do_series_internal(series, idx)
 633 {
 634         (series[idx][1])();
 635         if (idx + 1 < series.length) {
 636                 carousel_timeout = setTimeout(function() { do_series_internal(series, idx + 1); }, series[idx][0]);
 637         }
 638 };
 639
 640 function showcarousel()
 641 {
 642         let teams_per_group = [];
 643         let games_per_group = [];
 644         let combined_teams = [];
 645         let combined_games = [];
 646         let num_left = 3;
 647
 648         let cb = function(response, group_name) {
 649                 let teams = parse_teams_from_spreadsheet(response);
 650                 let games = parse_games_from_spreadsheet(response, group_name, true);
 651                 teams_per_group[group_name] = teams;
 652                 games_per_group[group_name] = games;
 653
 654                 combined_teams = combined_teams.concat(teams);
 655                 combined_games = combined_games.concat(games);
 656                 if (--num_left == 0) {
 657                         let series = [
 658                                 [ 13000, function() { display_group_parsed(teams_per_group['Group A'], games_per_group['Group A'], 'Group A'); } ],
 659                                 [ 2000, function() { hidetable(); } ],
 660                                 [ 13000, function() { display_group_parsed(teams_per_group['Group B'], games_per_group['Group B'], 'Group B'); } ],
 661                                 [ 2000, function() { hidetable(); } ]
 662                         ];
 663                         let num_pages = find_num_pages(combined_games);
 664                         for (let page = 0; page < num_pages; ++page) {
 665                                 series.push([ 13000, function() { display_stream_schedule_parsed(combined_teams, combined_games, page); } ]);
 666                                 series.push([ 2000, function() { hidetable(); } ]);
 667                         }
 668
 669                         do_series(series);
 670                 }
 671         };
 672
 673         get_group('Group A', cb);
 674         get_group('Group B', cb);
 675         get_group('Playoffs', cb);
 676 };
 677
 678 function stopcarousel()
 679 {
 680         if (carousel_timeout !== null) {
 681                 hidetable();
 682                 clearTimeout(carousel_timeout);
 683                 carousel_timeout = null;
 684         }
 685 };
 686
 687 function hidescorebug()
 688 {
 689         document.getElementById('entire-bug').style.display = 'none';
 690 }
 691
 692 function showscorebug()
 693 {
 694         document.getElementById('entire-bug').style.display = null;
 695 };
 696