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

   1 'use strict';
   2
   3 function jsonclone(x)
   4 {
   5         return JSON.parse(JSON.stringify(x));
   6 }
   7
   8 // Log with deep clone, so that the browser will show the object at time of log,
   9 // instead of what it looks like at time of view.
  10 function dlog()
  11 {
  12         let args = [];
  13         for (const arg of arguments) {
  14                 args.push(jsonclone(arg));
  15         }
  16         console.log(args);
  17 }
  18
  19 function addheading(carousel, colspan, content)
  20 {
  21         let thead = document.createElement("thead");
  22         let tr = document.createElement("tr");
  23         let th = document.createElement("th");
  24         th.innerHTML = content;
  25         th.setAttribute("colspan", colspan);
  26         tr.appendChild(th);
  27         thead.appendChild(tr);
  28         carousel.appendChild(thead);
  29 }
  30
  31 function addtd(tr, className, content) {
  32         let td = document.createElement("td");
  33         td.appendChild(document.createTextNode(content));
  34         td.className = className;
  35         tr.appendChild(td);
  36 }
  37
  38 function addth(tr, className, content) {
  39         let th = document.createElement("th");
  40         th.appendChild(document.createTextNode(content));
  41         th.className = className;
  42         tr.appendChild(th);
  43 }
  44
  45 function subrank_partitions(games, parts, start_rank, tiebreakers, func) {
  46         let result = [];
  47         for (let i = 0; i < parts.length; ++i) {
  48                 let part = func(games, parts[i], start_rank, tiebreakers);
  49                 for (let j = 0; j < part.length; ++j) {
  50                         result.push(part[j]);
  51                 }
  52                 start_rank += part.length;
  53         }
  54         return result;
  55 };
  56
  57 function partition(teams, compare)
  58 {
  59         teams.sort(compare);
  60
  61         let parts = [];
  62         let curr_part = [teams[0]];
  63         for (let i = 1; i < teams.length; ++i) {
  64                 if (compare(teams[i], curr_part[0]) != 0) {
  65                         parts.push(curr_part);
  66                         curr_part = [];
  67                 }
  68                 curr_part.push(teams[i]);
  69         }
  70         if (curr_part.length != 0) {
  71                 parts.push(curr_part);
  72         }
  73         return parts;
  74 };
  75
  76 function explain_tiebreaker(parts, rule_name)
  77 {
  78         let result = [];
  79         for (let i = 0; i < parts.length; ++i) {
  80                 result.push(parts[i].map(function(x) { return x.shortname; }).join("/"));
  81         }
  82         return result.join(" > ") + " (" + rule_name + ")";
  83 }
  84
  85 function make_teams_to_idx(teams)
  86 {
  87         let teams_to_idx = [];
  88         for (let i = 0; i < teams.length; i++) {
  89                 teams_to_idx[teams[i].name] = i;
  90                 teams_to_idx[teams[i].mediumname] = i;
  91                 teams_to_idx[teams[i].shortname] = i;
  92         }
  93         return teams_to_idx;
  94 }
  95
  96 function partition_by_beat(teams, fill_beatmatrix)
  97 {
  98         // Head-to-head score by way of components. First construct the beat matrix.
  99         let n = teams.length;
 100         let beat = new Array(n);
 101         let teams_to_idx = make_teams_to_idx(teams);
 102         for (let i = 0; i < n; i++) {
 103                 beat[i] = new Array(n);
 104                 for (let j = 0; j < n; j++) {
 105                         beat[i][j] = 0;
 106                 }
 107         }
 108         fill_beatmatrix(beat, teams_to_idx);
 109         // Floyd-Warshall for transitive closure.
 110         for (let k = 0; k < n; ++k) {
 111                 for (let i = 0; i < n; ++i) {
 112                         for (let j = 0; j < n; ++j) {
 113                                 if (beat[i][k] && beat[k][j]) {
 114                                         beat[i][j] = 1;
 115                                 }
 116                         }
 117                 }
 118         }
 119
 120         // See if we can find any team that is comparable to all others.
 121         for (let pivot_idx = 0; pivot_idx < n; pivot_idx++) {
 122                 let incomparable = false;
 123                 for (let i = 0; i < n; ++i) {
 124                         if (i != pivot_idx && beat[pivot_idx][i] == 0 && beat[i][pivot_idx] == 0) {
 125                                 incomparable = true;
 126                                 break;
 127                         }
 128                 }
 129                 if (!incomparable) {
 130                         // Split the teams into three partitions:
 131                         let better_than_pivot = [], equal = [], worse_than_pivot = [];
 132                         for (let i = 0; i < n; ++i) {
 133                                 let we_beat = (beat[pivot_idx][i] == 1);
 134                                 let they_beat = (beat[i][pivot_idx] == 1);
 135                                 if ((i == pivot_idx) || (we_beat && they_beat)) {
 136                                         equal.push(teams[i]);
 137                                 } else if (we_beat && !they_beat) {
 138                                         worse_than_pivot.push(teams[i]);
 139                                 } else if (they_beat && !we_beat) {
 140                                         better_than_pivot.push(teams[i]);
 141                                 } else {
 142                                         console.log("this shouldn't happen");
 143                                 }
 144                         }
 145                         let result = [];
 146                         if (better_than_pivot.length > 0) {
 147                                 result = partition_by_beat(better_than_pivot, fill_beatmatrix);
 148                         }
 149                         result.push(equal);  // Obviously can't be partitioned further.
 150                         if (worse_than_pivot.length > 0) {
 151                                 result = result.concat(partition_by_beat(worse_than_pivot, fill_beatmatrix));
 152                         }
 153                         return result;
 154                 }
 155         }
 156
 157         // No usable pivot was found, so the graph is inherently
 158         // disconnected, and we cannot partition it.
 159         return [teams];
 160 }
 161
 162 // Takes in an array, gives every element a rank starting with 1, and returns.
 163 function rank(games, teams, start_rank, tiebreakers) {
 164         if (teams.length <= 1) {
 165                 // Only one team, so trivial.
 166                 teams[0].rank = start_rank;
 167                 return teams;
 168         }
 169
 170         // Rule #0: Partition the teams by score.
 171         let score_parts = partition(teams, function(a, b) { return b.pts - a.pts });
 172         if (score_parts.length > 1) {
 173                 return subrank_partitions(games, score_parts, start_rank, tiebreakers, rank);
 174         }
 175
 176         // Rule #1: Head-to-head wins.
 177         let num_relevant_games = 0;
 178         let beat_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 179                 for (let i = 0; i < games.length; ++i) {
 180                         let idx1 = teams_to_idx[games[i].name1];
 181                         let idx2 = teams_to_idx[games[i].name2];
 182                         if (idx1 !== undefined && idx2 !== undefined) {
 183                                 if (games[i].score1 > games[i].score2) {
 184                                         beat[idx1][idx2] = 1;
 185                                         ++num_relevant_games;
 186                                 } else if (games[i].score1 < games[i].score2) {
 187                                         beat[idx2][idx1] = 1;
 188                                         ++num_relevant_games;
 189                                 }
 190                         }
 191                 }
 192         });
 193         if (beat_parts.length > 1) {
 194                 tiebreakers.push(explain_tiebreaker(beat_parts, 'head-to-head'));
 195                 return subrank_partitions(games, beat_parts, start_rank, tiebreakers, rank);
 196         }
 197
 198         // Rule #2: Number of games played (fewer is better).
 199         // Actually the rule says “fewest losses”, but fewer games is equivalent
 200         // as long as teams have the same amount of points and ties don't exist.
 201         let nplayed_parts = partition(teams, function(a, b) { return a.nplayed - b.nplayed });
 202         if (nplayed_parts.length > 1) {
 203                 tiebreakers.push(explain_tiebreaker(nplayed_parts, 'fewer losses'));
 204                 return subrank_partitions(games, nplayed_parts, start_rank, tiebreakers, rank);
 205         }
 206
 207         // Rule #3: Head-to-head goal difference (if all have played).
 208         let teams_to_idx = make_teams_to_idx(teams);
 209         if (num_relevant_games >= teams.length * (teams.length - 1) / 2) {
 210                 for (let i = 0; i < teams.length; i++) {
 211                         teams[i].h2h_gd = 0;
 212                         teams[i].h2h_goals = 0;
 213                 }
 214                 for (let i = 0; i < games.length; ++i) {
 215                         let idx1 = teams_to_idx[games[i].name1];
 216                         let idx2 = teams_to_idx[games[i].name2];
 217                         if (idx1 !== undefined && idx2 !== undefined &&
 218                             !isNaN(games[i].score1) && !isNaN(games[i].score2)) {
 219                                 teams[idx1].h2h_gd += games[i].score1;
 220                                 teams[idx1].h2h_gd -= games[i].score2;
 221                                 teams[idx2].h2h_gd += games[i].score2;
 222                                 teams[idx2].h2h_gd -= games[i].score1;
 223
 224                                 teams[idx1].h2h_goals += games[i].score1;
 225                                 teams[idx2].h2h_goals += games[i].score2;
 226                         }
 227                 }
 228                 let h2h_gd_parts = partition(teams, function(a, b) { return b.h2h_gd - a.h2h_gd });
 229                 if (h2h_gd_parts.length > 1) {
 230                         tiebreakers.push(explain_tiebreaker(h2h_gd_parts, 'head-to-head goal difference'));
 231                         return subrank_partitions(games, h2h_gd_parts, start_rank, tiebreakers, rank);
 232                 }
 233         }
 234
 235         // Rule #4: Goal difference against common opponents.
 236         var results = {};
 237         for (let i = 0; i < games.length; ++i) {
 238                 if (results[games[i].name1] === undefined) {
 239                         results[games[i].name1] = {};
 240                 }
 241                 if (results[games[i].name2] === undefined) {
 242                         results[games[i].name2] = {};
 243                 }
 244                 results[games[i].name1][games[i].name2] = [ games[i].score1, games[i].score2 ];
 245                 results[games[i].name2][games[i].name1] = [ games[i].score2, games[i].score1 ];
 246         }
 247         let gd_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 248                 for (const team_i of Object.keys(teams_to_idx)) {
 249                         let i = teams_to_idx[team_i];
 250                         for (const team_j of Object.keys(teams_to_idx)) {
 251                                 let j = teams_to_idx[team_j];
 252                                 let results_i = results[team_i], results_j = results[team_j];
 253                                 let gd_i = 0, gd_j = 0;
 254
 255                                 // See if the two teams have both played a third team k.
 256                                 for (let k in results_i) {
 257                                         if (!results_i.hasOwnProperty(k)) continue;
 258                                         if (results_j !== undefined && results_j[k] !== undefined) {
 259                                                 gd_i += results_i[k][0] - results_i[k][1];
 260                                                 gd_j += results_j[k][0] - results_j[k][1];
 261                                         }
 262                                 }
 263
 264                                 if (gd_i > gd_j) {
 265                                         beat[i][j] = 1;
 266                                 } else if (gd_i < gd_j) {
 267                                         beat[j][i] = 1;
 268                                 }
 269                         }
 270                 }
 271         });
 272         if (gd_parts.length > 1) {
 273                 tiebreakers.push(explain_tiebreaker(gd_parts, 'goal difference versus common opponents'));
 274                 return subrank_partitions(games, gd_parts, start_rank, tiebreakers, rank);
 275         }
 276
 277         // Rule #5: Head-to-head scored goals (if all have played).
 278         if (num_relevant_games >= teams.length * (teams.length - 1) / 2) {
 279                 let h2h_goals_parts = partition(teams, function(a, b) { return b.h2h_goals - a.h2h_goals });
 280                 if (h2h_goals_parts.length > 1) {
 281                         tiebreakers.push(explain_tiebreaker(h2h_goals_parts, 'head-to-head scored goals'));
 282                         return subrank_partitions(games, h2h_goals_parts, start_rank, tiebreakers, rank);
 283                 }
 284         }
 285
 286         // Rule #6: Goals scored against common opponents.
 287         let goals_parts = partition_by_beat(teams, function(beat, teams_to_idx) {
 288                 for (const team_i of Object.keys(teams_to_idx)) {
 289                         let i = teams_to_idx[team_i];
 290                         for (const team_j of Object.keys(teams_to_idx)) {
 291                                 let j = teams_to_idx[team_j];
 292                                 let results_i = results[team_i], results_j = results[team_j];
 293                                 let goals_i = 0, goals_j = 0;
 294
 295                                 // See if the two teams have both played a third team k.
 296                                 for (let k in results_i) {
 297                                         if (!results_i.hasOwnProperty(k)) continue;
 298                                         if (results_j !== undefined && results_j[k] !== undefined) {
 299                                                 goals_i += results_i[k][0];
 300                                                 goals_j += results_j[k][0];
 301                                         }
 302                                 }
 303
 304                                 if (goals_i > goals_j) {
 305                                         beat[i][j] = 1;
 306                                 } else if (goals_i < goals_j) {
 307                                         beat[j][i] = 1;
 308                                 }
 309                         }
 310                 }
 311         });
 312         if (goals_parts.length > 1) {
 313                 tiebreakers.push(explain_tiebreaker(goals_parts, 'goals scored against common opponents'));
 314                 return subrank_partitions(games, goals_parts, start_rank, tiebreakers, rank);
 315         }
 316
 317         // OK, it's a tie. Give them all the same rank.
 318         let result = [];
 319         for (let i = 0; i < teams.length; ++i) {
 320                 result.push(teams[i]);
 321                 result[i].rank = start_rank;
 322         }
 323         return result;
 324 };
 325
 326 // Same, but with the simplified rules for ranking thirds. games isn't used and can be empty.
 327 function rank_thirds(games, teams, start_rank, tiebreakers) {
 328         if (teams.length <= 1) {
 329                 // Only one team, so trivial.
 330                 teams[0].rank = start_rank;
 331                 return teams;
 332         }
 333
 334         // Rule #1: Partition the teams by score.
 335         let score_parts = partition(teams, function(a, b) { return b.pts - a.pts });
 336         if (score_parts.length > 1) {
 337                 tiebreakers.push(explain_tiebreaker(score_parts, 'most games won'));
 338                 return subrank_partitions(games, score_parts, start_rank, tiebreakers, rank_thirds);
 339         }
 340
 341         // Rule #2: Goal difference against common opponents.
 342         let gd_parts = partition(teams, function(a, b) { return b.gd - a.gd });
 343         if (gd_parts.length > 1) {
 344                 tiebreakers.push(explain_tiebreaker(gd_parts, 'goal difference'));
 345                 return subrank_partitions(games, gd_parts, start_rank, tiebreakers, rank_thirds);
 346         }
 347
 348         // Rule #3: Goals scored.
 349         let goal_parts = partition(teams, function(a, b) { return b.goals - a.goals });
 350         if (goal_parts.length > 1) {
 351                 tiebreakers.push(explain_tiebreaker(goal_parts, 'goals scored'));
 352                 return subrank_partitions(games, goal_parts, start_rank, tiebreakers, rank_thirds);
 353         }
 354
 355         // OK, it's a tie. Give them all the same rank.
 356         let result = [];
 357         for (let i = 0; i < teams.length; ++i) {
 358                 result.push(teams[i]);
 359                 result[i].rank = start_rank;
 360         }
 361         return result;
 362 };
 363
 364 function parse_teams_from_spreadsheet(response) {
 365         let teams = [];
 366         for (let i = 2; response.values[i].length >= 1; ++i) {
 367                 teams.push({
 368                         "name": response.values[i][0],
 369                         "mediumname": response.values[i][1],
 370                         "shortname": response.values[i][2],
 371                         //"tags": response.values[i][3],
 372                         "ngames": 0,
 373                         "nplayed": 0,
 374                         "gd": 0,
 375                         "pts": 0,
 376                         "goals": 0
 377                 });
 378         }
 379         return teams;
 380 };
 381
 382 function parse_games_from_spreadsheet(response, group_name, include_unplayed) {
 383         let games = [];
 384         let i;
 385         for (i = 0; i < response.values.length; ++i) {
 386                 if (response.values[i][0] === 'Results') {
 387                         i += 2;
 388                         break;
 389                 }
 390         }
 391
 392         for ( ; response.values[i] !== undefined && response.values[i].length >= 1; ++i) {
 393                 if ((response.values[i][2] && response.values[i][3]) || include_unplayed) {
 394                         let real_group_name = response.values[i][9];
 395                         if (real_group_name === undefined) {
 396                                 real_group_name = group_name;
 397                         }
 398                         games.push({
 399                                 "name1": response.values[i][0],
 400                                 "name2": response.values[i][1],
 401                                 "score1": parseInt(response.values[i][2]),
 402                                 "score2": parseInt(response.values[i][3]),
 403                                 "streamday": response.values[i][7],
 404                                 "streamtime": response.values[i][8],
 405                                 "group_name": real_group_name
 406                         });
 407                 }
 408         }
 409         return games;
 410 };
 411
 412 function apply_games_to_teams(games, teams, ignored_teams, ret_ignored_games)
 413 {
 414         let teams_to_idx = make_teams_to_idx(teams);
 415         let ignored_teams_idx;
 416         if (ignored_teams === undefined) {
 417                 ignored_teams_idx = [];
 418         } else {
 419                 ignored_teams_idx = make_teams_to_idx(ignored_teams);
 420         }
 421         for (let i = 0; i < teams.length; ++i) {
 422                 teams[i].nplayed = 0;
 423                 teams[i].goals = 0;
 424                 teams[i].gd = 0;
 425                 teams[i].pts = 0;
 426         }
 427         for (let i = 0; i < games.length; ++i) {
 428                 let idx1 = teams_to_idx[games[i].name1];
 429                 let idx2 = teams_to_idx[games[i].name2];
 430                 if (games[i].score1 === undefined || games[i].score2 === undefined ||
 431                     isNaN(games[i].score1) || isNaN(games[i].score2) ||
 432                     idx1 === undefined || idx2 === undefined ||
 433                     games[i].score1 == games[i].score2) {
 434                         continue;
 435                 }
 436
 437                 let ignored_idx1 = ignored_teams_idx[games[i].name1];
 438                 let ignored_idx2 = ignored_teams_idx[games[i].name2];
 439                 if (ignored_idx1 !== undefined || ignored_idx2 !== undefined) {
 440                         if (ret_ignored_games !== undefined) {
 441                                 // Figure out whether the fifth we're ignoring was only picked out arbitrarily
 442                                 // (ie., there's a tie for 5th); if so, mark it as such.
 443                                 let arbitrary = false;
 444                                 if (ignored_idx1 !== undefined && ignored_teams[ignored_idx1].rank < 5) {
 445                                         arbitrary = true;
 446                                 } else if (ignored_idx2 !== undefined && ignored_teams[ignored_idx2].rank < 5) {
 447                                         arbitrary = true;
 448                                 }
 449                                 ret_ignored_games.push([teams[idx1].shortname, teams[idx2].shortname, arbitrary]);
 450                         }
 451                         continue;
 452                 }
 453                 ++teams[idx1].nplayed;
 454                 ++teams[idx2].nplayed;
 455                 teams[idx1].goals += games[i].score1;
 456                 teams[idx2].goals += games[i].score2;
 457                 teams[idx1].gd += games[i].score1;
 458                 teams[idx2].gd += games[i].score2;
 459                 teams[idx1].gd -= games[i].score2;
 460                 teams[idx2].gd -= games[i].score1;
 461                 if (games[i].score1 > games[i].score2) {
 462                         teams[idx1].pts += 2;
 463                 } else {
 464                         teams[idx2].pts += 2;
 465                 }
 466         }
 467 }
 468
 469 // So that we can just have one team list, and let membership be defined by games.
 470 function filter_teams(teams, response)
 471 {
 472         let teams_to_idx = make_teams_to_idx(teams);
 473         let games = parse_games_from_spreadsheet(response, 'irrelevant group name', true);
 474         for (let i = 0; i < games.length; ++i) {
 475                 let idx1 = teams_to_idx[games[i].name1];
 476                 let idx2 = teams_to_idx[games[i].name2];
 477                 if (idx1 !== undefined) {
 478                         ++teams[idx1].ngames;  // FIXME: shouldn't nplayed be just as good?
 479                 }
 480                 if (idx2 !== undefined) {
 481                         ++teams[idx2].ngames;
 482                 }
 483         }
 484         return teams.filter(function(team) { return team.ngames > 0; });
 485 }
 486
 487 function display_group_parsed(teams, games, group_name)
 488 {
 489         document.getElementById('entire-bug').style.display = 'none';
 490
 491         apply_games_to_teams(games, teams);
 492         let tiebreakers = [];
 493         teams = rank(games, teams, 1, tiebreakers);
 494
 495         let carousel = document.getElementById('carousel');
 496         clear_carousel(carousel);
 497
 498         addheading(carousel, 5, "Current standings, " + ultimateconfig['tournament_title'] + "<br />" + group_name);
 499         let tr = document.createElement("tr");
 500         tr.className = "subfooter";
 501         addth(tr, "rank", "");
 502         addth(tr, "team", "");
 503         addth(tr, "nplayed", "P");
 504         addth(tr, "gd", "GD");
 505         addth(tr, "pts", "Pts");
 506         carousel.appendChild(tr);
 507
 508         let row_num = 2;
 509         for (let i = 0; i < teams.length; ++i) {
 510                 let tr = document.createElement("tr");
 511
 512                 addth(tr, "rank", teams[i].rank);
 513                 addtd(tr, "team", teams[i].name);
 514                 addtd(tr, "nplayed", teams[i].nplayed);
 515                 addtd(tr, "gd", teams[i].gd.toString().replace(/-/, '−'));
 516                 addtd(tr, "pts", teams[i].pts);
 517
 518                 carousel.appendChild(tr);
 519         }
 520
 521         if (tiebreakers.length > 0) {
 522                 let tie_tr = document.createElement("tr");
 523                 tie_tr.className = "footer";
 524                 let td = document.createElement("td");
 525                 td.appendChild(document.createTextNode("Tiebreaks applied: " + tiebreakers.join(', ')));
 526                 td.setAttribute("colspan", "5");
 527                 tie_tr.appendChild(td);
 528                 carousel.appendChild(tie_tr);
 529         }
 530
 531         let footer_tr = document.createElement("tr");
 532         footer_tr.className = "footer";
 533         let td = document.createElement("td");
 534         td.appendChild(document.createTextNode(ultimateconfig['tournament_footer']));
 535         td.setAttribute("colspan", "5");
 536         footer_tr.appendChild(td);
 537         carousel.appendChild(footer_tr);
 538
 539         fade_in_rows(carousel);
 540
 541         carousel.style.display = 'table';
 542 };
 543
 544 function fade_in_rows(table)
 545 {
 546         let trs = table.getElementsByTagName("tr");
 547         for (let i = 1; i < trs.length; ++i) {  // The header already has its own fade-in.
 548                 if (trs[i].className === "footer") {
 549                         trs[i].style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 550                 } else {
 551                         trs[i].style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
 552                 }
 553         }
 554 };
 555
 556 function fade_out_rows(table)
 557 {
 558         let trs = table.getElementsByTagName("tr");
 559         for (let i = 0; i < trs.length; ++i) {
 560                 if (trs[i].className === "footer") {
 561                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 562                 } else {
 563                         trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
 564                 }
 565         }
 566 };
 567
 568 function clear_carousel(table)
 569 {
 570         while (table.childNodes.length > 0) {
 571                 table.removeChild(table.firstChild);
 572         }
 573 };
 574
 575 // Stream schedule
 576 let max_list_len = 7;
 577
 578 function display_stream_schedule(response, group_name) {
 579         let teams = parse_teams_from_spreadsheet(response);
 580         let games = parse_games_from_spreadsheet(response, group_name, true);
 581         display_stream_schedule_parsed(teams, games, 0);
 582 };
 583
 584 function sort_game_list(games) {
 585         games = games.filter(function(game) { return game.streamtime !== undefined && game.streamtime.match(/[0-9]+:[0-9]+/) != null; });
 586         games.sort(function(a, b) {
 587                 if (a.streamday !== b.streamday) {
 588                         return a.streamday - b.streamday;
 589                 }
 590
 591                 let m1 = a.streamtime.match(/([0-9]+):([0-9]+)/);
 592                 let m2 = b.streamtime.match(/([0-9]+):([0-9]+)/);
 593                 return (m1[1] * 60 + m1[2]) - (m2[1] * 60 + m2[2]);
 594         });
 595         return games;
 596 }
 597
 598 function find_game_start_idx(games) {
 599         // Pick out a reasonable place to start the list. We'll show the last
 600         // completed match and start from there.
 601         let start_idx = games.length - 1;
 602         for (let i = 0; i < games.length; ++i) {
 603                 if (isNaN(games[i].score1) || isNaN(games[i].score2) &&
 604                     games[i].score1 === games[i].score2) {
 605                         start_idx = i;
 606                         break;
 607                 }
 608         }
 609         if (start_idx > 0) start_idx--;
 610         if (games.length >= max_list_len) {
 611                 start_idx = Math.min(start_idx, games.length - max_list_len);
 612         }
 613         return start_idx;
 614 }
 615
 616 function find_num_pages(games) {
 617         games = sort_game_list(games);
 618         let start_idx = find_game_start_idx(games);
 619         return Math.ceil((games.length - start_idx) / max_list_len);
 620 }
 621
 622 function display_stream_schedule_parsed(teams, games, page) {
 623         document.getElementById('entire-bug').style.display = 'none';
 624
 625         games = sort_game_list(games);
 626         let start_idx = find_game_start_idx(games);
 627
 628         start_idx += page * max_list_len;
 629         if (start_idx >= games.length) {
 630                 // Error.
 631                 return;
 632         }
 633
 634         let days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
 635         let shortdays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
 636         let today = days[(new Date).getDay()];
 637
 638         let covered_days = [];
 639         let row_num = 0;
 640         for (let i = start_idx; i < games.length && row_num++ < max_list_len; ++i) {
 641                 if (i == start_idx || games[i].streamday != games[i - 1].streamday) {
 642                         covered_days.push(days[games[i].streamday]);
 643                 }
 644         }
 645
 646         let carousel = document.getElementById('carousel');
 647         clear_carousel(carousel);
 648         addheading(carousel, 3, "Stream schedule, " + ultimateconfig['tournament_title'] + "<br />" + covered_days.join('/') + " (all times CET)");
 649
 650         let teams_to_idx = make_teams_to_idx(teams);
 651         row_num = 0;
 652         for (let i = start_idx; i < games.length && row_num < max_list_len; ++i) {
 653                 let tr = document.createElement("tr");
 654
 655                 let name1 = teams[teams_to_idx[games[i].name1]].mediumname;
 656                 let name2 = teams[teams_to_idx[games[i].name2]].mediumname;
 657
 658                 addtd(tr, "matchup", name1 + "–" + name2);
 659                 addtd(tr, "group", games[i].group_name);
 660
 661                 if (!isNaN(games[i].score1) && !isNaN(games[i].score2) &&
 662                     games[i].score1 !== games[i].score2) {
 663                         addtd(tr, "streamtime", games[i].score1 + "–" + games[i].score2);
 664                 } else {
 665                         let streamtime = games[i].streamtime;
 666                         let streamday = days[games[i].streamday];
 667                         if (streamday !== today) {
 668                                 streamtime = shortdays[games[i].streamday] + " " + streamtime;
 669                         }
 670                         addth(tr, "streamtime", streamtime);
 671                 }
 672
 673                 row_num++;
 674                 carousel.appendChild(tr);
 675         }
 676
 677         fade_in_rows(carousel);
 678
 679         carousel.style.display = 'table';
 680 };
 681
 682 function get_group(group_name, cb)
 683 {
 684         let req = new XMLHttpRequest();
 685         req.onload = function(e) {
 686                 cb(JSON.parse(req.responseText), group_name);
 687         };
 688         req.open('GET', 'https://sheets.googleapis.com/v4/spreadsheets/' + ultimateconfig['score_sheet_id'] + '/values/\'' + group_name + '\'!A1:J50?key=' + ultimateconfig['api_key']);
 689         req.send();
 690 }
 691
 692 function showgroup(group_name)
 693 {
 694         get_group(group_name, function(response, group_name) {
 695                 let teams = parse_teams_from_spreadsheet(response);
 696                 let games = parse_games_from_spreadsheet(response, group_name, false);
 697                 teams = filter_teams(teams, response);
 698                 display_group_parsed(teams, games, group_name);
 699                 publish_group_rank(response, group_name);  // Update the spreadsheet in the background.
 700         });
 701 }
 702
 703
 704 function showgroup_from_state()
 705 {
 706         showgroup(state['group_name']);
 707 }
 708
 709 let carousel_timeout = null;
 710
 711 function hidetable()
 712 {
 713         fade_out_rows(document.getElementById('carousel'));
 714 };
 715
 716 function showschedule(page)
 717 {
 718         let teams = [];
 719         let games = [];
 720         let groups_to_get = [
 721                 'Group A',
 722                 'Group B',
 723                 // 'Group C',
 724                 // 'Playoffs 9th-13th',
 725                 'Playoffs'
 726         ];
 727         let num_left = groups_to_get.length;
 728
 729         let cb = function(response, group_name) {
 730                 teams = teams.concat(parse_teams_from_spreadsheet(response));
 731                 games = games.concat(parse_games_from_spreadsheet(response, group_name, true));
 732                 if (--num_left == 0) {
 733                         display_stream_schedule_parsed(teams, games, 0);
 734                 }
 735         };
 736
 737         for (const group of groups_to_get) {
 738                 get_group(group, cb);
 739         }
 740 };
 741
 742 function do_series(series)
 743 {
 744         do_series_internal(series, 0);
 745 };
 746
 747 function do_series_internal(series, idx)
 748 {
 749         (series[idx][1])();
 750         if (idx + 1 < series.length) {
 751                 carousel_timeout = setTimeout(function() { do_series_internal(series, idx + 1); }, series[idx][0]);
 752         }
 753 };
 754
 755 function showcarousel()
 756 {
 757         let teams_per_group = [];
 758         let games_per_group = [];
 759         let combined_teams = [];
 760         let combined_games = [];
 761         let groups_to_get = [
 762                 'Group A',
 763                 'Group B',
 764                 // 'Group C',
 765                 // 'Playoffs 9th-13th',
 766                 'Playoffs'
 767         ];
 768         let num_left = groups_to_get.length;
 769
 770         let cb = function(response, group_name) {
 771                 let teams = parse_teams_from_spreadsheet(response);
 772                 let games = parse_games_from_spreadsheet(response, group_name, true);
 773                 teams = filter_teams(teams, response);
 774                 teams_per_group[group_name] = teams;
 775                 games_per_group[group_name] = games;
 776
 777                 combined_teams = combined_teams.concat(teams);
 778                 combined_games = combined_games.concat(games);
 779                 if (--num_left == 0) {
 780                         let series = [
 781                                 [ 13000, function() { display_group_parsed(teams_per_group['Group A'], games_per_group['Group A'], 'Group A'); } ],
 782                                 [ 2000, function() { hidetable(); } ],
 783                                 [ 13000, function() { display_group_parsed(teams_per_group['Group B'], games_per_group['Group B'], 'Group B'); } ],
 784                                 [ 2000, function() { hidetable(); } ]
 785                         ];
 786                         let num_pages = find_num_pages(combined_games);
 787                         for (let page = 0; page < num_pages; ++page) {
 788                                 series.push([ 13000, function() { display_stream_schedule_parsed(combined_teams, combined_games, page); } ]);
 789                                 series.push([ 2000, function() { hidetable(); } ]);
 790                         }
 791
 792                         do_series(series);
 793                 }
 794         };
 795
 796         for (const group of groups_to_get) {
 797                 get_group(group, cb);
 798         }
 799 };
 800
 801 function stopcarousel()
 802 {
 803         if (carousel_timeout !== null) {
 804                 hidetable();
 805                 clearTimeout(carousel_timeout);
 806                 carousel_timeout = null;
 807         }
 808 };
 809
 810 function hidescorebug()
 811 {
 812         document.getElementById('entire-bug').style.display = 'none';
 813 }
 814
 815 function showscorebug()
 816 {
 817         document.getElementById('entire-bug').style.display = null;
 818 }
 819
 820 function showmatch2()
 821 {
 822         let css = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-fill-mode: both;";
 823         document.getElementById('scorebug2').style = css;
 824         document.getElementById('clockbug2').style = css;
 825 }
 826
 827 function hidematch2()
 828 {
 829         let css = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-fill-mode: both;";
 830         document.getElementById('scorebug2').style = css;
 831         document.getElementById('clockbug2').style = css;
 832 }
 833
 834 function showmatch3()
 835 {
 836         let css = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-fill-mode: both;";
 837         document.getElementById('scorebug3').style = css;
 838         document.getElementById('clockbug3').style = css;
 839 }
 840
 841 function hidematch3()
 842 {
 843         let css = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-fill-mode: both;";
 844         document.getElementById('scorebug3').style = css;
 845         document.getElementById('clockbug3').style = css;
 846 }