git.cworth.org Git - lmno.games/blob - empathy/empathy.jsx

   1 const MAX_PROMPT_ITEMS = 20;
   2
   3 function undisplay(element) {
   4   element.style.display="none";
   5 }
   6
   7 function add_message(severity, message) {
   8   message = `<div class="message ${severity}" onclick="undisplay(this)">
   9 <span class="hide-button" onclick="undisplay(this.parentElement)">&times;</span>
  10 ${message}
  11 </div>`;
  12   const message_area = document.getElementById('message-area');
  13   message_area.insertAdjacentHTML('beforeend', message);
  14 }
  15
  16 /*********************************************************
  17  * Handling server-sent event stream                     *
  18  *********************************************************/
  19
  20 const events = new EventSource("events");
  21
  22 events.onerror = function(event) {
  23   if (event.target.readyState === EventSource.CLOSED) {
  24     setTimeout(() => {
  25       add_message("danger", "Connection to server lost.");
  26     }, 1000);
  27   }
  28 };
  29
  30 events.addEventListener("game-info", event => {
  31   const info = JSON.parse(event.data);
  32
  33   window.game.set_game_info(info);
  34 });
  35
  36 events.addEventListener("player-info", event => {
  37   const info = JSON.parse(event.data);
  38
  39   window.game.set_player_info(info);
  40 });
  41
  42 events.addEventListener("player-enter", event => {
  43   const info = JSON.parse(event.data);
  44
  45   window.game.set_other_player_info(info);
  46 });
  47
  48 events.addEventListener("player-exit", event => {
  49   const info = JSON.parse(event.data);
  50
  51   window.game.remove_player(info);
  52 });
  53
  54 events.addEventListener("player-update", event => {
  55   const info = JSON.parse(event.data);
  56
  57   if (info.id === window.game.state.player_info.id)
  58     window.game.set_player_info(info);
  59   else
  60     window.game.set_other_player_info(info);
  61 });
  62
  63 events.addEventListener("game-state", event => {
  64   const state = JSON.parse(event.data);
  65
  66   window.game.reset_game_state();
  67
  68   window.game.set_prompts(state.prompts);
  69
  70   window.game.set_active_prompt(state.active_prompt);
  71
  72   window.game.set_players_answered(state.players_answered);
  73
  74   window.game.set_players_answering(state.players_answering);
  75
  76   window.game.set_answering_idle(state.answering_idle);
  77
  78   window.game.set_end_answers(state.end_answers);
  79
  80   window.game.set_ambiguities(state.ambiguities);
  81
  82   window.game.set_players_judged(state.players_judged);
  83
  84   window.game.set_players_judging(state.players_judging);
  85
  86   window.game.set_judging_idle(state.judging_idle);
  87
  88   window.game.set_end_judging(state.end_judging);
  89
  90   window.game.set_scores(state.scores);
  91
  92   window.game.set_new_game_votes(state.new_game_votes);
  93
  94   window.game.state_ready();
  95 });
  96
  97 events.addEventListener("prompt", event => {
  98   const prompt = JSON.parse(event.data);
  99
 100   window.game.add_or_update_prompt(prompt);
 101 });
 102
 103 events.addEventListener("start", event => {
 104   const prompt = JSON.parse(event.data);
 105
 106   window.game.set_active_prompt(prompt);
 107 });
 108
 109 events.addEventListener("player-answered", event => {
 110   const player = JSON.parse(event.data);
 111
 112   window.game.set_player_answered(player);
 113 });
 114
 115 events.addEventListener("player-answering", event => {
 116   const player = JSON.parse(event.data);
 117
 118   window.game.set_player_answering(player);
 119 });
 120
 121 events.addEventListener("answering-idle", event => {
 122   const value = JSON.parse(event.data);
 123
 124   window.game.set_answering_idle(value);
 125 });
 126
 127 events.addEventListener("vote-end-answers", event => {
 128   const player = JSON.parse(event.data);
 129
 130   window.game.set_player_vote_end_answers(player);
 131 });
 132
 133 events.addEventListener("unvote-end-answers", event => {
 134   const player = JSON.parse(event.data);
 135
 136   window.game.set_player_unvote_end_answers(player);
 137 });
 138
 139 events.addEventListener("ambiguities", event => {
 140   const ambiguities = JSON.parse(event.data);
 141
 142   window.game.set_ambiguities(ambiguities);
 143 });
 144
 145 events.addEventListener("player-judged", event => {
 146   const player = JSON.parse(event.data);
 147
 148   window.game.set_player_judged(player);
 149 });
 150
 151 events.addEventListener("player-judging", event => {
 152   const player = JSON.parse(event.data);
 153
 154   window.game.set_player_judging(player);
 155 });
 156
 157 events.addEventListener("judging-idle", event => {
 158   const value = JSON.parse(event.data);
 159
 160   window.game.set_judging_idle(value);
 161 });
 162
 163 events.addEventListener("vote-end-judging", event => {
 164   const player = JSON.parse(event.data);
 165
 166   window.game.set_player_vote_end_judging(player);
 167 });
 168
 169 events.addEventListener("unvote-end-judging", event => {
 170   const player = JSON.parse(event.data);
 171
 172   window.game.set_player_unvote_end_judging(player);
 173 });
 174
 175 events.addEventListener("scores", event => {
 176   const scores = JSON.parse(event.data);
 177
 178   window.game.set_scores(scores);
 179 });
 180
 181 events.addEventListener("vote-new-game", event => {
 182   const player = JSON.parse(event.data);
 183
 184   window.game.set_player_vote_new_game(player);
 185 });
 186
 187 events.addEventListener("unvote-new-game", event => {
 188   const player = JSON.parse(event.data);
 189
 190   window.game.set_player_unvote_new_game(player);
 191 });
 192
 193 /*********************************************************
 194  * Game and supporting classes                           *
 195  *********************************************************/
 196
 197 function copy_to_clipboard(id)
 198 {
 199   const tmp = document.createElement("input");
 200   tmp.setAttribute("value", document.getElementById(id).innerHTML);
 201   document.body.appendChild(tmp);
 202   tmp.select();
 203   document.execCommand("copy");
 204   document.body.removeChild(tmp);
 205 }
 206
 207 const GameInfo = React.memo(props => {
 208   if (! props.id)
 209     return null;
 210
 211   return (
 212     <div className="game-info">
 213       <span className="game-id">{props.id}</span>
 214       {" "}
 215       Share this link to invite friends:{" "}
 216       <span id="game-share-url">{props.url}</span>
 217       {" "}
 218       <button
 219         className="inline"
 220         onClick={() => copy_to_clipboard('game-share-url')}
 221       >Copy Link</button>
 222     </div>
 223   );
 224 });
 225
 226 const PlayerInfo = React.memo(props => {
 227   if (! props.player.id)
 228     return null;
 229
 230   const all_players = [props.player, ...props.other_players];
 231
 232   const sorted_players = all_players.sort((a,b) => {
 233     return b.score - a.score;
 234   });
 235
 236   const names_and_scores = sorted_players.map(player => {
 237     if (player.score)
 238       return `${player.name} (${player.score})`;
 239     else
 240       return player.name;
 241   }).join(', ');
 242
 243   return (
 244     <div className="player-info">
 245       <span className="players-header">Players: </span>
 246       <span>{names_and_scores}</span>
 247     </div>
 248   );
 249 });
 250
 251 function fetch_method_json(method, api = '', data = {}) {
 252   const response = fetch(api, {
 253     method: method,
 254     headers: {
 255       'Content-Type': 'application/json'
 256     },
 257     body: JSON.stringify(data)
 258   });
 259   return response;
 260 }
 261
 262 function fetch_post_json(api = '', data = {}) {
 263   return fetch_method_json('POST', api, data);
 264 }
 265
 266 async function fetch_put_json(api = '', data = {}) {
 267   return fetch_method_json('PUT', api, data);
 268 }
 269
 270 class CategoryRequest extends React.PureComponent {
 271   constructor(props) {
 272     super(props);
 273     this.category = React.createRef();
 274
 275     this.handle_change = this.handle_change.bind(this);
 276     this.handle_submit = this.handle_submit.bind(this);
 277   }
 278
 279   handle_change(event) {
 280     const category_input = this.category.current;
 281     const category = category_input.value;
 282
 283     const match = category.match(/[0-9]+/);
 284     if (match) {
 285       const num_items = parseInt(match[0], 10);
 286       if (num_items > 0 && num_items <= MAX_PROMPT_ITEMS)
 287         category_input.setCustomValidity("");
 288     }
 289   }
 290
 291   async handle_submit(event) {
 292     const form = event.currentTarget;
 293     const category_input = this.category.current;
 294     const category = category_input.value;
 295
 296     /* Prevent the default page-changing form-submission behavior. */
 297     event.preventDefault();
 298
 299     const match = category.match(/[0-9]+/);
 300     if (match === null) {
 301       category_input.setCustomValidity("Category must include a number");
 302       form.reportValidity();
 303       return;
 304     }
 305
 306     const num_items = parseInt(match[0], 10);
 307
 308     if (num_items > MAX_PROMPT_ITEMS) {
 309       category_input.setCustomValidity(`Maximum number of items is ${MAX_PROMPT_ITEMS}`);
 310       form.reportValidity();
 311       return;
 312     }
 313
 314     if (num_items < 1) {
 315       category_input.setCustomValidity("Category must require at least one item.");
 316       form.reportValidity();
 317       return;
 318     }
 319
 320     const response = await fetch_post_json("prompts", {
 321       items: num_items,
 322       prompt: category
 323     });
 324
 325     if (response.status === 200) {
 326       const result = await response.json();
 327       if (! result.valid) {
 328         add_message("danger", result.message);
 329         return;
 330       }
 331     } else {
 332       add_message("danger", "An error occurred submitting your category");
 333     }
 334
 335     form.reset();
 336   }
 337
 338   render() {
 339     return (
 340       <div className="category-request">
 341         <h2>Submit a Category</h2>
 342         <p>
 343           Suggest a category to play. Don't forget to include the
 344           number of items for each person to submit.
 345         </p>
 346
 347         <form onSubmit={this.handle_submit} >
 348           <div className="form-field large">
 349             <input
 350               type="text"
 351               id="category"
 352               placeholder="6 things at the beach"
 353               required
 354               autoComplete="off"
 355               onChange={this.handle_change}
 356               ref={this.category}
 357             />
 358           </div>
 359
 360           <div className="form-field large">
 361             <button type="submit">
 362               Send
 363             </button>
 364           </div>
 365
 366         </form>
 367       </div>
 368     );
 369   }
 370 }
 371
 372 const PromptOption = React.memo(props => {
 373
 374   const prompt = props.prompt;
 375
 376   if (prompt.votes_against.find(v => v === props.player.name))
 377     return false;
 378
 379   return (
 380     <button
 381       className="vote-button"
 382       key={prompt.id}
 383       onClick={() => fetch_post_json(`vote/${prompt.id}`) }
 384     >
 385       <span
 386         className="hide-button"
 387         onClick={(event) => {
 388           event.stopPropagation();
 389           fetch_post_json(`vote_against/${prompt.id}`);
 390         }}
 391       >
 392         &times;
 393       </span>
 394       {prompt.prompt}
 395       <div className="vote-choices">
 396         {prompt.votes.map(v => {
 397           return (
 398             <div
 399               key={v}
 400               className="vote-choice"
 401             >
 402               {v}
 403             </div>
 404           );
 405         })}
 406       </div>
 407     </button>
 408   );
 409 });
 410
 411 const PromptOptions = React.memo(props => {
 412
 413   if (props.prompts.length === 0)
 414     return null;
 415
 416   return (
 417     <div className="prompt-options">
 418       <h2>Vote on Categories</h2>
 419       <p>
 420         Select any categories below that you'd like to play.
 421         You can choose as many as you'd like.
 422       </p>
 423       {props.prompts.map(
 424         prompt => <PromptOption
 425                     key={prompt.id}
 426                     prompt={prompt}
 427                     player={props.player}
 428                   />
 429       )}
 430     </div>
 431   );
 432 });
 433
 434 const LetsPlay = React.memo(props => {
 435
 436   const quorum = Math.max(0, props.num_players - props.prompts.length);
 437   const max_votes = props.prompts.reduce(
 438     (max_so_far, v) => Math.max(max_so_far, v.votes.length), 0);
 439
 440   if (max_votes < quorum)
 441     return null;
 442
 443   const candidates = props.prompts.filter(p => p.votes.length >= max_votes);
 444   const index = Math.floor(Math.random() * candidates.length);
 445   const winner = candidates[index];
 446
 447   return (
 448     <div className="lets-play">
 449       <h2>Let's Play</h2>
 450       <p>
 451         That should be enough voting. If you're not waiting for any
 452         other players to join, then let's start.
 453       </p>
 454       <button
 455         className="lets-play"
 456         onClick={() => fetch_post_json(`start/${winner.id}`) }
 457       >
 458         Start Game
 459       </button>
 460     </div>
 461   );
 462 });
 463
 464 class Ambiguities extends React.PureComponent {
 465
 466   constructor(props) {
 467     super(props);
 468
 469     function canonize(word) {
 470       return word.replace(/((a|an|the) )?(.*?)s?$/i, '$3');
 471     }
 472
 473     const word_sets = [];
 474
 475     for (let word of props.words) {
 476       const word_canon = canonize(word);
 477       let found_match = false;
 478       for (let set of word_sets) {
 479         const set_canon = canonize(set.values().next().value);
 480         if (word_canon === set_canon) {
 481           set.add(word);
 482           found_match = true;;
 483           break;
 484         }
 485       }
 486       if (! found_match) {
 487         const set = new Set();
 488         set.add(word);
 489         word_sets.push(set);
 490       }
 491     }
 492
 493     this.state = {
 494       word_sets: word_sets,
 495       selected: null,
 496       starred: null
 497     };
 498
 499     this.submitted = false;
 500     this.judging_sent_recently = false;
 501   }
 502
 503   async handle_submit() {
 504
 505     /* Don't submit a second time. */
 506     if (this.submitted)
 507       return;
 508
 509     const response = await fetch_post_json(
 510       `judged/${this.props.prompt.id}`,{
 511         word_groups: this.state.word_sets.map(
 512           set => ({
 513             words: Array.from(set),
 514             kudos: this.state.starred === set ? true : false
 515           }))
 516       }
 517     );
 518
 519     if (response.status === 200) {
 520       const result = await response.json();
 521       if (! result.valid) {
 522         add_message("danger", result.message);
 523         return;
 524       }
 525     } else {
 526       add_message("danger", "An error occurred submitting the results of your judging");
 527       return;
 528     }
 529
 530     this.submitted = true;
 531   }
 532
 533   handle_click(word) {
 534
 535     /* Let the server know we are doing some judging, (but rate limit
 536      * this so we don't send a "judging" notification more frquently
 537      * than necessary.
 538      */
 539     if (! this.judging_sent_recently) {
 540       fetch_post_json(`judging/${this.props.prompt.id}`);
 541       this.judging_sent_recently = true;
 542       setTimeout(() => { this.judging_sent_recently = false; }, 1000);
 543     }
 544
 545     if (this.state.selected == word) {
 546       /* Second click on same word removes the word from the group. */
 547       const idx = this.state.word_sets.findIndex(s => s.has(word));
 548       const set = this.state.word_sets[idx];
 549       if (set.size === 1) {
 550         /* When the word is already alone, there's nothing to do but
 551          * to un-select it. */
 552         this.setState({
 553           selected: null
 554         });
 555         return;
 556       }
 557
 558       const new_set = new Set([...set].filter(w => w !== word));
 559       this.setState({
 560         selected: null,
 561         word_sets: [...this.state.word_sets.slice(0, idx),
 562                     new_set,
 563                     new Set().add(word),
 564                     ...this.state.word_sets.slice(idx+1)]
 565       });
 566     } else if (this.state.selected) {
 567       /* Click of a second word groups the two together. */
 568       const idx1 = this.state.word_sets.findIndex(s => s.has(this.state.selected));
 569       const idx2 = this.state.word_sets.findIndex(s => s.has(word));
 570       const set1 = this.state.word_sets[idx1];
 571       const set2 = this.state.word_sets[idx2];
 572       const new_set = new Set([...set2, ...set1]);
 573       if (idx1 < idx2) {
 574         this.setState({
 575           selected: null,
 576           word_sets: [...this.state.word_sets.slice(0, idx1),
 577                       ...this.state.word_sets.slice(idx1 + 1, idx2),
 578                       new_set,
 579                       ...this.state.word_sets.slice(idx2 + 1)]
 580         });
 581       } else {
 582         this.setState({
 583           selected: null,
 584           word_sets: [...this.state.word_sets.slice(0, idx2),
 585                       new_set,
 586                       ...this.state.word_sets.slice(idx2 + 1, idx1),
 587                       ...this.state.word_sets.slice(idx1 + 1)]
 588         });
 589       }
 590     } else {
 591       /* First click of a word selects it. */
 592       this.setState({
 593         selected: word
 594       });
 595     }
 596   }
 597
 598   render() {
 599     let move_on_button = null;
 600
 601     if (this.props.idle) {
 602       move_on_button = (
 603         <button
 604           className="vote-button"
 605           onClick={() => fetch_post_json(`end-judging/${this.props.prompt.id}`) }
 606         >
 607           Move On Without Their Input
 608           <div className="vote-choices">
 609             {[...this.props.votes].map(v => {
 610               return (
 611                 <div
 612                   key={v}
 613                   className="vote-choice"
 614                 >
 615                   {v}
 616                   </div>
 617               );
 618             })}
 619           </div>
 620         </button>
 621       );
 622     }
 623
 624     let still_waiting = null;
 625     const judging_players = Object.keys(this.props.players_judging);
 626     if (judging_players.length) {
 627       still_waiting = (
 628         <div>
 629           <p>
 630             Still waiting for the following player
 631             {judging_players.length > 1 ? 's' : '' }
 632             :
 633           </p>
 634           <ul>
 635             {judging_players.map(player => {
 636               return (
 637                 <li
 638                   key={player}
 639                 >
 640                   {player}{' '}
 641                   <span className=
 642                   {this.props.players_judging[player].active ?
 643                    "typing active"
 644                    :
 645                    "typing idle"}>
 646                     <span>{'.'}</span><span>{'.'}</span><span>{'.'}</span>
 647                   </span>
 648                 </li>
 649               );
 650             })}
 651           </ul>
 652         </div>
 653       );
 654     }
 655
 656     if (this.props.players_judged.has(this.props.player.name)) {
 657       return (
 658         <div className="please-wait">
 659           <h2>Submission received</h2>
 660           <p>
 661             The following players have completed judging:{' '}
 662             {[...this.props.players_judged].join(', ')}
 663           </p>
 664           {still_waiting}
 665           {move_on_button}
 666
 667         </div>
 668       );
 669     }
 670
 671     const btn_class = "ambiguity-button";
 672     const btn_selected_class = btn_class + " selected";
 673
 674     return (
 675       <div className="ambiguities">
 676         <h2>Judging Answers</h2>
 677         <p>
 678           Click on each pair of answers that should be scored as equivalent,
 679           (and click any word twice to split it out from a group). Remember,
 680           what goes around comes around, so it's best to be generous when
 681           judging.
 682         </p>
 683         <h2>{this.props.prompt.prompt}</h2>
 684         {this.state.word_sets.map(set => {
 685           return (
 686             <div
 687               className="ambiguity-group"
 688               key={Array.from(set)[0]}
 689             >
 690               {Array.from(set).map(word => {
 691                 return (
 692                   <button
 693                     className={this.state.selected === word ?
 694                                btn_selected_class : btn_class }
 695                     key={word}
 696                     onClick={() => this.handle_click(word)}
 697                   >
 698                     {word}
 699                   </button>
 700                 );
 701               })}
 702               <span
 703                 className={this.state.starred === set ?
 704                            "star-button selected" : "star-button"
 705                           }
 706                 onClick={(event) => {
 707                   event.stopPropagation();
 708                   this.setState({
 709                     starred: set
 710                   });
 711                 }}
 712               >
 713               {this.state.starred === set ?
 714                '★' : '☆'
 715               }
 716               </span>
 717             </div>
 718           );
 719         })}
 720         <p>
 721           Click here when done judging:<br/>
 722           <button
 723             onClick={() => this.handle_submit()}
 724           >
 725             Send
 726           </button>
 727         </p>
 728       </div>
 729     );
 730   }
 731 }
 732
 733 class ActivePrompt extends React.PureComponent {
 734
 735   constructor(props) {
 736     super(props);
 737     const items = props.prompt.items;
 738
 739     this.submitted = false;
 740
 741     this.answers = [...Array(items)].map(() => React.createRef());
 742     this.answering_sent_recently = false;
 743
 744     this.handle_submit = this.handle_submit.bind(this);
 745     this.handle_change = this.handle_change.bind(this);
 746   }
 747
 748   handle_change(event) {
 749     /* We don't care (or even look) at what the player is typing at
 750      * this point. We simply want to be informed that the player _is_
 751      * typing so that we can tell the server (which will tell other
 752      * players) that there is activity here.
 753      */
 754
 755     /* Rate limit so that we don't send an "answering" notification
 756      * more frequently than necessary.
 757      */
 758     if (! this.answering_sent_recently) {
 759       fetch_post_json(`answering/${this.props.prompt.id}`);
 760       this.answering_sent_recently = true;
 761       setTimeout(() => { this.answering_sent_recently = false; }, 1000);
 762     }
 763   }
 764
 765   async handle_submit(event) {
 766     const form = event.currentTarget;
 767
 768     /* Prevent the default page-changing form-submission behavior. */
 769     event.preventDefault();
 770
 771     /* And don't submit a second time. */
 772     if (this.submitted)
 773       return;
 774
 775     const response = await fetch_post_json(`answer/${this.props.prompt.id}`, {
 776       answers: this.answers.map(r => r.current.value)
 777     });
 778     if (response.status === 200) {
 779       const result = await response.json();
 780       if (! result.valid) {
 781         add_message("danger", result.message);
 782         return;
 783       }
 784     } else {
 785       add_message("danger", "An error occurred submitting your answers");
 786       return;
 787     }
 788
 789     /* Everything worked. Server is happy with our answers. */
 790     form.reset();
 791     this.submitted = true;
 792   }
 793
 794   render() {
 795
 796     let still_waiting = null;
 797     const answering_players = Object.keys(this.props.players_answering);;
 798     if (answering_players.length) {
 799       still_waiting = (
 800         <div>
 801           <p>
 802             Still waiting for the following player
 803             {answering_players.length > 1 ? 's' : ''}
 804             :
 805           </p>
 806           <ul>
 807             {answering_players.map(player => {
 808               return (
 809                 <li
 810                   key={player}
 811                 >
 812                   {player}{' '}
 813                   <span className=
 814                   {this.props.players_answering[player].active ?
 815                    "typing active"
 816                    :
 817                    "typing idle"}>
 818                     <span>{'.'}</span><span>{'.'}</span><span>{'.'}</span>
 819                   </span>
 820                 </li>
 821               );
 822             })}
 823           </ul>
 824         </div>
 825       );
 826     }
 827
 828     let move_on_button = null;
 829     if (this.props.idle) {
 830       move_on_button =(
 831         <button
 832           className="vote-button"
 833           onClick={() => fetch_post_json(`end-answers/${this.props.prompt.id}`) }
 834         >
 835           {answering_players.length ?
 836            "Move On Without Their Answers" :
 837            "Move On Without Anyone Else"}
 838           <div className="vote-choices">
 839             {[...this.props.votes].map(v => {
 840               return (
 841                 <div
 842                   key={v}
 843                   className="vote-choice"
 844                 >
 845                   {v}
 846                 </div>
 847               );
 848             })}
 849           </div>
 850         </button>
 851       );
 852     }
 853
 854     if (this.props.players_answered.has(this.props.player.name)) {
 855       return (
 856         <div className="please-wait">
 857           <h2>Submission received</h2>
 858           <p>
 859             The following players have submitted their answers:{' '}
 860             {[...this.props.players_answered].join(', ')}
 861           </p>
 862           {still_waiting}
 863           {move_on_button}
 864
 865         </div>
 866       );
 867     }
 868
 869     return (
 870       <div className="active-prompt">
 871         <h2>The Game of Empathy</h2>
 872         <p>
 873           Remember, you're trying to match your answers with
 874           what the other players submit.
 875           Give {this.props.prompt.items} answer
 876           {this.props.prompt.items > 1 ? 's' : ''} for the following prompt:
 877         </p>
 878         <h2>{this.props.prompt.prompt}</h2>
 879         <form onSubmit={this.handle_submit}>
 880           {[...Array(this.props.prompt.items)].map((whocares,i) => {
 881             return (
 882               <div
 883                 key={i}
 884                 className="form-field large">
 885                 <input
 886                   type="text"
 887                   name={`answer_${i}`}
 888                   required
 889                   autoComplete="off"
 890                   onChange={this.handle_change}
 891                   ref={this.answers[i]}
 892                 />
 893               </div>
 894             );
 895           })}
 896
 897           <div
 898             key="submit-button"
 899             className="form-field large">
 900             <button type="submit">
 901               Send
 902             </button>
 903           </div>
 904
 905         </form>
 906       </div>
 907     );
 908   }
 909 }
 910
 911 class Game extends React.PureComponent {
 912   constructor(props) {
 913     super(props);
 914     this.state = {
 915       game_info: {},
 916       player_info: {},
 917       other_players: [],
 918       prompts: [],
 919       active_prompt: null,
 920       players_answered: new Set(),
 921       players_answering: {},
 922       answering_idle: false,
 923       end_answers_votes: new Set(),
 924       ambiguities: null,
 925       players_judged: new Set(),
 926       players_judging: {},
 927       judging_idle: false,
 928       end_judging_votes: new Set(),
 929       scores: null,
 930       new_game_votes: new Set(),
 931       ready: false
 932     };
 933   }
 934
 935   set_game_info(info) {
 936     this.setState({
 937       game_info: info
 938     });
 939   }
 940
 941   set_player_info(info) {
 942     this.setState({
 943       player_info: info
 944     });
 945   }
 946
 947   set_other_player_info(info) {
 948     const other_players_copy = [...this.state.other_players];
 949     const idx = other_players_copy.findIndex(o => o.id === info.id);
 950     if (idx >= 0) {
 951       other_players_copy[idx] = info;
 952     } else {
 953       other_players_copy.push(info);
 954     }
 955     this.setState({
 956       other_players: other_players_copy
 957     });
 958   }
 959
 960   remove_player(info) {
 961     this.setState({
 962       other_players: this.state.other_players.filter(o => o.id !== info.id)
 963     });
 964   }
 965
 966   reset_game_state() {
 967     this.setState({
 968       prompts: [],
 969       active_prompt: null,
 970       players_answered: new Set(),
 971       players_answering: {},
 972       answering_idle: false,
 973       end_answers_votes: new Set(),
 974       ambiguities: null,
 975       players_judged: new Set(),
 976       players_judging: {},
 977       judging_idle: false,
 978       end_judging_votes: new Set(),
 979       scores: null,
 980       new_game_votes: new Set(),
 981       ready: false
 982     });
 983   }
 984
 985   set_prompts(prompts) {
 986     this.setState({
 987       prompts: prompts
 988     });
 989   }
 990
 991   add_or_update_prompt(prompt) {
 992     const prompts_copy = [...this.state.prompts];
 993     const idx = prompts_copy.findIndex(p => p.id === prompt.id);
 994     if (idx >= 0) {
 995       prompts_copy[idx] = prompt;
 996     } else {
 997       prompts_copy.push(prompt);
 998     }
 999     this.setState({
1000       prompts: prompts_copy
1001     });
1002   }
1003
1004   set_active_prompt(prompt) {
1005     this.setState({
1006       active_prompt: prompt
1007     });
1008   }
1009
1010   set_players_answered(players) {
1011     this.setState({
1012       players_answered: new Set(players)
1013     });
1014   }
1015
1016   set_player_answered(player) {
1017     const new_players_answering = {...this.state.players_answering};
1018     delete new_players_answering[player];
1019
1020     this.setState({
1021       players_answered: new Set([...this.state.players_answered, player]),
1022       players_answering: new_players_answering
1023     });
1024   }
1025
1026   set_players_answering(players) {
1027     const players_answering = {};
1028     for (let player of players) {
1029       players_answering[player] = {active: false};
1030     }
1031     this.setState({
1032       players_answering: players_answering
1033     });
1034   }
1035
1036   set_player_answering(player) {
1037     /* Set the player as actively answering now. */
1038     this.setState({
1039       players_answering: {
1040         ...this.state.players_answering,
1041         [player]: {active: true}
1042       }
1043     });
1044     /* And arrange to have them marked idle very shortly.
1045      *
1046      * Note: This timeout is intentionally very, very short. We only
1047      * need it long enough that the browser has latched onto the state
1048      * change to "active" above. We actually use a CSS transition
1049      * delay to control the user-perceptible length of time after
1050      * which an active player appears inactive.
1051      */
1052     setTimeout(() => {
1053       this.setState({
1054         players_answering: {
1055           ...this.state.players_answering,
1056           [player]: {active: false}
1057         }
1058       });
1059     }, 100);
1060   }
1061
1062   set_answering_idle(value) {
1063     this.setState({
1064       answering_idle: value
1065     });
1066   }
1067
1068   set_end_answers(players) {
1069     this.setState({
1070       end_answers_votes: new Set(players)
1071     });
1072   }
1073
1074   set_player_vote_end_answers(player) {
1075     this.setState({
1076       end_answers_votes: new Set([...this.state.end_answers_votes, player])
1077     });
1078   }
1079
1080   set_player_unvote_end_answers(player) {
1081     this.setState({
1082       end_answers_votes: new Set([...this.state.end_answers_votes].filter(p => p !== player))
1083     });
1084   }
1085
1086   set_ambiguities(ambiguities) {
1087     this.setState({
1088       ambiguities: ambiguities
1089     });
1090   }
1091
1092   set_players_judged(players) {
1093     this.setState({
1094       players_judged: new Set(players)
1095     });
1096   }
1097
1098   set_player_judged(player) {
1099     const new_players_judging = {...this.state.players_judging};
1100     delete new_players_judging[player];
1101
1102     this.setState({
1103       players_judged: new Set([...this.state.players_judged, player]),
1104       players_judging: new_players_judging
1105     });
1106   }
1107
1108   set_players_judging(players) {
1109     const players_judging = {};
1110     for (let player of players) {
1111       players_judging[player] = {active: false};
1112     }
1113     this.setState({
1114       players_judging: players_judging
1115     });
1116   }
1117
1118   set_player_judging(player) {
1119     /* Set the player as actively judging now. */
1120     this.setState({
1121       players_judging: {
1122         ...this.state.players_judging,
1123         [player]: {active: true}
1124       }
1125     });
1126     /* And arrange to have them marked idle very shortly.
1127      *
1128      * Note: This timeout is intentionally very, very short. We only
1129      * need it long enough that the browser has latched onto the state
1130      * change to "active" above. We actually use a CSS transition
1131      * delay to control the user-perceptible length of time after
1132      * which an active player appears inactive.
1133      */
1134     setTimeout(() => {
1135       this.setState({
1136         players_judging: {
1137           ...this.state.players_judging,
1138           [player]: {active: false}
1139         }
1140       });
1141     }, 100);
1142
1143   }
1144
1145   set_judging_idle(value) {
1146     this.setState({
1147       judging_idle: value
1148     });
1149   }
1150
1151   set_end_judging(players) {
1152     this.setState({
1153       end_judging_votes: new Set(players)
1154     });
1155   }
1156
1157   set_player_vote_end_judging(player) {
1158     this.setState({
1159       end_judging_votes: new Set([...this.state.end_judging_votes, player])
1160     });
1161   }
1162
1163   set_player_unvote_end_judging(player) {
1164     this.setState({
1165       end_judging_votes: new Set([...this.state.end_judging_votes].filter(p => p !== player))
1166     });
1167   }
1168
1169   set_scores(scores) {
1170     this.setState({
1171       scores: scores
1172     });
1173   }
1174
1175   set_new_game_votes(players) {
1176     this.setState({
1177       new_game_votes: new Set(players)
1178     });
1179   }
1180
1181   set_player_vote_new_game(player) {
1182     this.setState({
1183       new_game_votes: new Set([...this.state.new_game_votes, player])
1184     });
1185   }
1186
1187   set_player_unvote_new_game(player) {
1188     this.setState({
1189       new_game_votes: new Set([...this.state.new_game_votes].filter(p => p !== player))
1190     });
1191   }
1192
1193   state_ready() {
1194     this.setState({
1195       ready: true
1196     });
1197   }
1198
1199   render() {
1200     const state = this.state;
1201     const players_total = 1 + state.other_players.length;
1202
1203     if (state.scores) {
1204
1205       let perfect_score = 0;
1206       for (let i = 0;
1207            i < state.active_prompt.items &&
1208            i < state.scores.words.length;
1209            i++)
1210       {
1211         perfect_score += state.scores.words[i].players.length;
1212       }
1213
1214       return (
1215         <div className="scores">
1216           <h2>{state.active_prompt.prompt}</h2>
1217           <h2>Scores</h2>
1218           <ul>
1219             {state.scores.scores.map(score => {
1220               let perfect = null;
1221               if (score.score === perfect_score) {
1222                 perfect = <span className="achievement">Perfect!</span>;
1223               }
1224               let quirkster = null;
1225               if (score.score === state.active_prompt.items) {
1226                 quirkster = <span className="achievement">Quirkster!</span>;
1227               }
1228               return (
1229                 <li key={score.players[0]}>
1230                   {score.players.join("/")}: {score.score}
1231                   {score.kudos ? `, ${'★'.repeat(score.kudos)}` : ""}
1232                   {perfect} {quirkster}
1233                 </li>
1234               );
1235             })}
1236           </ul>
1237           <h2>Words submitted</h2>
1238           <ul>
1239             {state.scores.words.map(word => {
1240               return (
1241                 <li key={word.word}>
1242                   {word.word} ({word.players.length}
1243                   {word.kudos.length ? `, ${'★'.repeat(word.kudos.length)}` : ""}
1244                   ): {word.players.join(', ')}
1245                 </li>
1246               );
1247             })}
1248           </ul>
1249           <button
1250             className="vote-button"
1251             onClick={() => fetch_post_json(`new-game/${state.active_prompt.id}`) }
1252           >
1253             New Game
1254             <div className="vote-choices">
1255               {[...state.new_game_votes].map(v => {
1256                 return (
1257                   <div
1258                     key={v}
1259                     className="vote-choice"
1260                   >
1261                     {v}
1262                   </div>
1263                 );
1264               })}
1265             </div>
1266           </button>
1267         </div>
1268       );
1269     }
1270
1271     if (state.ambiguities){
1272       return <Ambiguities
1273                prompt={state.active_prompt}
1274                words={state.ambiguities}
1275                player={state.player_info}
1276                players_judged={state.players_judged}
1277                players_judging={state.players_judging}
1278                idle={state.judging_idle}
1279                votes={state.end_judging_votes}
1280              />;
1281     }
1282
1283     if (state.active_prompt) {
1284       return <ActivePrompt
1285                prompt={state.active_prompt}
1286                player={state.player_info}
1287                players_answered={state.players_answered}
1288                players_answering={state.players_answering}
1289                idle={state.answering_idle}
1290                votes={state.end_answers_votes}
1291              />;
1292     }
1293
1294     if (! state.ready)
1295       return null;
1296
1297     return [
1298       <GameInfo
1299         key="game-info"
1300         id={state.game_info.id}
1301         url={state.game_info.url}
1302       />,
1303       <PlayerInfo
1304         key="player-info"
1305         game={this}
1306         player={state.player_info}
1307         other_players={state.other_players}
1308       />,
1309       <p key="spacer"></p>,
1310       <CategoryRequest
1311         key="category-request"
1312       />,
1313       <LetsPlay
1314         key="lets-play"
1315         num_players={1+state.other_players.length}
1316         prompts={state.prompts}
1317       />,
1318       <PromptOptions
1319         key="prompts"
1320         prompts={state.prompts}
1321         player={state.player_info}
1322       />
1323     ];
1324   }
1325 }
1326
1327 ReactDOM.render(<Game
1328                   ref={(me) => window.game = me}
1329                 />, document.getElementById("empathy"));