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 <= 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 ${MAX_PROMPT_ITEMS}`);
 310       form.reportValidity();
 311       return;
 312     }
 313
 314     const response = await fetch_post_json("prompts", {
 315       items: num_items,
 316       prompt: category
 317     });
 318
 319     if (response.status === 200) {
 320       const result = await response.json();
 321       if (! result.valid) {
 322         add_message("danger", result.message);
 323         return;
 324       }
 325     } else {
 326       add_message("danger", "An error occurred submitting your category");
 327     }
 328
 329     form.reset();
 330   }
 331
 332   render() {
 333     return (
 334       <div className="category-request">
 335         <h2>Submit a Category</h2>
 336         <p>
 337           Suggest a category to play. Don't forget to include the
 338           number of items for each person to submit.
 339         </p>
 340
 341         <form onSubmit={this.handle_submit} >
 342           <div className="form-field large">
 343             <input
 344               type="text"
 345               id="category"
 346               placeholder="6 things at the beach"
 347               required
 348               autoComplete="off"
 349               onChange={this.handle_change}
 350               ref={this.category}
 351             />
 352           </div>
 353
 354           <div className="form-field large">
 355             <button type="submit">
 356               Send
 357             </button>
 358           </div>
 359
 360         </form>
 361       </div>
 362     );
 363   }
 364 }
 365
 366 const PromptOption = React.memo(props => {
 367
 368   const prompt = props.prompt;
 369
 370   if (prompt.votes_against.find(v => v === props.player.name))
 371     return false;
 372
 373   return (
 374     <button
 375       className="vote-button"
 376       key={prompt.id}
 377       onClick={() => fetch_post_json(`vote/${prompt.id}`) }
 378     >
 379       <span
 380         className="hide-button"
 381         onClick={(event) => {
 382           event.stopPropagation();
 383           fetch_post_json(`vote_against/${prompt.id}`);
 384         }}
 385       >
 386         &times;
 387       </span>
 388       {prompt.prompt}
 389       <div className="vote-choices">
 390         {prompt.votes.map(v => {
 391           return (
 392             <div
 393               key={v}
 394               className="vote-choice"
 395             >
 396               {v}
 397             </div>
 398           );
 399         })}
 400       </div>
 401     </button>
 402   );
 403 });
 404
 405 const PromptOptions = React.memo(props => {
 406
 407   if (props.prompts.length === 0)
 408     return null;
 409
 410   return (
 411     <div className="prompt-options">
 412       <h2>Vote on Categories</h2>
 413       <p>
 414         Select any categories below that you'd like to play.
 415         You can choose as many as you'd like.
 416       </p>
 417       {props.prompts.map(
 418         prompt => <PromptOption
 419                     key={prompt.id}
 420                     prompt={prompt}
 421                     player={props.player}
 422                   />
 423       )}
 424     </div>
 425   );
 426 });
 427
 428 const LetsPlay = React.memo(props => {
 429
 430   const quorum = Math.round((props.num_players + 1) / 2);
 431   const max_votes = props.prompts.reduce(
 432     (max_so_far, v) => Math.max(max_so_far, v.votes.length), 0);
 433
 434   if (max_votes < quorum)
 435     return null;
 436
 437   const candidates = props.prompts.filter(p => p.votes.length >= quorum);
 438   const index = Math.floor(Math.random() * candidates.length);
 439   const winner = candidates[index];
 440
 441   return (
 442     <div className="lets-play">
 443       <h2>Let's Play</h2>
 444       <p>
 445         That should be enough voting. If you're not waiting for any
 446         other players to join, then let's start.
 447       </p>
 448       <button
 449         className="lets-play"
 450         onClick={() => fetch_post_json(`start/${winner.id}`) }
 451       >
 452         Start Game
 453       </button>
 454     </div>
 455   );
 456 });
 457
 458 class Ambiguities extends React.PureComponent {
 459
 460   constructor(props) {
 461     super(props);
 462
 463     function canonize(word) {
 464       return word.replace(/((a|an|the) )?(.*?)s?$/i, '$3');
 465     }
 466
 467     const word_sets = [];
 468
 469     for (let word of props.words) {
 470       const word_canon = canonize(word);
 471       console.log("Canonized " + word + " to " + word_canon);
 472       let found_match = false;
 473       for (let set of word_sets) {
 474         const set_canon = canonize(set.values().next().value);
 475         console.log("Comparing " + word_canon + " to " + set_canon);
 476         if (word_canon === set_canon) {
 477           set.add(word);
 478           found_match = true;;
 479           break;
 480         }
 481       }
 482       if (! found_match) {
 483         const set = new Set();
 484         set.add(word);
 485         word_sets.push(set);
 486       }
 487     }
 488
 489     this.state = {
 490       word_sets: word_sets,
 491       selected: null,
 492       starred: null
 493     };
 494
 495     this.submitted = false;
 496     this.judging_sent_recently = false;
 497   }
 498
 499   async handle_submit() {
 500
 501     /* Don't submit a second time. */
 502     if (this.submitted)
 503       return;
 504
 505     const response = await fetch_post_json(
 506       `judged/${this.props.prompt.id}`,{
 507         word_groups: this.state.word_sets.map(set => Array.from(set)),
 508         kudos: Array.from(this.state.starred)
 509       }
 510     );
 511
 512     if (response.status === 200) {
 513       const result = await response.json();
 514       if (! result.valid) {
 515         add_message("danger", result.message);
 516         return;
 517       }
 518     } else {
 519       add_message("danger", "An error occurred submitting the results of your judging");
 520       return;
 521     }
 522
 523     this.submitted = true;
 524   }
 525
 526   handle_click(word) {
 527
 528     /* Let the server know we are doing some judging, (but rate limit
 529      * this so we don't send a "judging" notification more frquently
 530      * than necessary.
 531      */
 532     if (! this.judging_sent_recently) {
 533       fetch_post_json(`judging/${this.props.prompt.id}`);
 534       this.judging_sent_recently = true;
 535       setTimeout(() => { this.judging_sent_recently = false; }, 1000);
 536     }
 537
 538     if (this.state.selected == word) {
 539       /* Second click on same word removes the word from the group. */
 540       const idx = this.state.word_sets.findIndex(s => s.has(word));
 541       const set = this.state.word_sets[idx];
 542       if (set.size === 1) {
 543         /* When the word is already alone, there's nothing to do but
 544          * to un-select it. */
 545         this.setState({
 546           selected: null
 547         });
 548         return;
 549       }
 550
 551       const new_set = new Set([...set].filter(w => w !== word));
 552       this.setState({
 553         selected: null,
 554         word_sets: [...this.state.word_sets.slice(0, idx),
 555                     new_set,
 556                     new Set().add(word),
 557                     ...this.state.word_sets.slice(idx+1)]
 558       });
 559     } else if (this.state.selected) {
 560       /* Click of a second word groups the two together. */
 561       const idx1 = this.state.word_sets.findIndex(s => s.has(this.state.selected));
 562       const idx2 = this.state.word_sets.findIndex(s => s.has(word));
 563       const set1 = this.state.word_sets[idx1];
 564       const set2 = this.state.word_sets[idx2];
 565       const new_set = new Set([...set2, ...set1]);
 566       if (idx1 < idx2) {
 567         this.setState({
 568           selected: null,
 569           word_sets: [...this.state.word_sets.slice(0, idx1),
 570                       ...this.state.word_sets.slice(idx1 + 1, idx2),
 571                       new_set,
 572                       ...this.state.word_sets.slice(idx2 + 1)]
 573         });
 574       } else {
 575         this.setState({
 576           selected: null,
 577           word_sets: [...this.state.word_sets.slice(0, idx2),
 578                       new_set,
 579                       ...this.state.word_sets.slice(idx2 + 1, idx1),
 580                       ...this.state.word_sets.slice(idx1 + 1)]
 581         });
 582       }
 583     } else {
 584       /* First click of a word selects it. */
 585       this.setState({
 586         selected: word
 587       });
 588     }
 589   }
 590
 591   render() {
 592     let move_on_button = null;
 593
 594     if (this.props.idle) {
 595       move_on_button = (
 596         <button
 597           className="vote-button"
 598           onClick={() => fetch_post_json(`end-judging/${this.props.prompt.id}`) }
 599         >
 600           Move On
 601           <div className="vote-choices">
 602             {[...this.props.votes].map(v => {
 603               return (
 604                 <div
 605                   key={v}
 606                   className="vote-choice"
 607                 >
 608                   {v}
 609                   </div>
 610               );
 611             })}
 612           </div>
 613         </button>
 614       );
 615     }
 616
 617     let still_waiting = null;
 618     const judging_players = Object.keys(this.props.players_judging);
 619     if (judging_players.length) {
 620       still_waiting = (
 621         <div>
 622           <p>
 623             Still waiting for the following player
 624             {judging_players.length > 1 ? 's' : '' }
 625             :
 626           </p>
 627           <ul>
 628             {judging_players.map(player => {
 629               return (
 630                 <li
 631                   key={player}
 632                 >
 633                   {player}{' '}
 634                   <span className=
 635                   {this.props.players_judging[player].active ?
 636                    "typing active"
 637                    :
 638                    "typing idle"}>
 639                     <span>{'.'}</span><span>{'.'}</span><span>{'.'}</span>
 640                   </span>
 641                 </li>
 642               );
 643             })}
 644           </ul>
 645         </div>
 646       );
 647     }
 648
 649     if (this.props.players_judged.has(this.props.player.name)) {
 650       return (
 651         <div className="please-wait">
 652           <h2>Submission received</h2>
 653           <p>
 654             The following players have completed judging:{' '}
 655             {[...this.props.players_judged].join(', ')}
 656           </p>
 657           {still_waiting}
 658           {move_on_button}
 659
 660         </div>
 661       );
 662     }
 663
 664     const btn_class = "ambiguity-button";
 665     const btn_selected_class = btn_class + " selected";
 666
 667     return (
 668       <div className="ambiguities">
 669         <h2>Judging Answers</h2>
 670         <p>
 671           Click on each pair of answers that should be scored as equivalent,
 672           (and click any word twice to split it out from a group). Remember,
 673           what goes around comes around, so it's best to be generous when
 674           judging.
 675         </p>
 676         <h2>{this.props.prompt.prompt}</h2>
 677         {this.state.word_sets.map(set => {
 678           return (
 679             <div
 680               className="ambiguity-group"
 681               key={Array.from(set)[0]}
 682             >
 683               {Array.from(set).map(word => {
 684                 return (
 685                   <button
 686                     className={this.state.selected === word ?
 687                                btn_selected_class : btn_class }
 688                     key={word}
 689                     onClick={() => this.handle_click(word)}
 690                   >
 691                     {word}
 692                   </button>
 693                 );
 694               })}
 695               <span
 696                 className={this.state.starred === set ?
 697                            "star-button selected" : "star-button"
 698                           }
 699                 onClick={(event) => {
 700                   event.stopPropagation();
 701                   this.setState({
 702                     starred: set
 703                   });
 704                 }}
 705               >
 706               {this.state.starred === set ?
 707                '★' : '☆'
 708               }
 709               </span>
 710             </div>
 711           );
 712         })}
 713         <p>
 714           Click here when done judging:<br/>
 715           <button
 716             onClick={() => this.handle_submit()}
 717           >
 718             Send
 719           </button>
 720         </p>
 721       </div>
 722     );
 723   }
 724 }
 725
 726 class ActivePrompt extends React.PureComponent {
 727
 728   constructor(props) {
 729     super(props);
 730     const items = props.prompt.items;
 731
 732     this.submitted = false;
 733
 734     this.answers = [...Array(items)].map(() => React.createRef());
 735     this.answering_sent_recently = false;
 736
 737     this.handle_submit = this.handle_submit.bind(this);
 738     this.handle_change = this.handle_change.bind(this);
 739   }
 740
 741   handle_change(event) {
 742     /* We don't care (or even look) at what the player is typing at
 743      * this point. We simply want to be informed that the player _is_
 744      * typing so that we can tell the server (which will tell other
 745      * players) that there is activity here.
 746      */
 747
 748     /* Rate limit so that we don't send an "answering" notification
 749      * more frequently than necessary.
 750      */
 751     if (! this.answering_sent_recently) {
 752       fetch_post_json(`answering/${this.props.prompt.id}`);
 753       this.answering_sent_recently = true;
 754       setTimeout(() => { this.answering_sent_recently = false; }, 1000);
 755     }
 756   }
 757
 758   async handle_submit(event) {
 759     const form = event.currentTarget;
 760
 761     /* Prevent the default page-changing form-submission behavior. */
 762     event.preventDefault();
 763
 764     /* And don't submit a second time. */
 765     if (this.submitted)
 766       return;
 767
 768     const response = await fetch_post_json(`answer/${this.props.prompt.id}`, {
 769       answers: this.answers.map(r => r.current.value)
 770     });
 771     if (response.status === 200) {
 772       const result = await response.json();
 773       if (! result.valid) {
 774         add_message("danger", result.message);
 775         return;
 776       }
 777     } else {
 778       add_message("danger", "An error occurred submitting your answers");
 779       return;
 780     }
 781
 782     /* Everything worked. Server is happy with our answers. */
 783     form.reset();
 784     this.submitted = true;
 785   }
 786
 787   render() {
 788     let move_on_button = null;
 789     if (this.props.idle) {
 790       move_on_button =(
 791         <button
 792           className="vote-button"
 793           onClick={() => fetch_post_json(`end-answers/${this.props.prompt.id}`) }
 794         >
 795           Move On
 796           <div className="vote-choices">
 797             {[...this.props.votes].map(v => {
 798               return (
 799                 <div
 800                   key={v}
 801                   className="vote-choice"
 802                 >
 803                   {v}
 804                 </div>
 805               );
 806             })}
 807           </div>
 808         </button>
 809       );
 810     }
 811
 812     let still_waiting = null;
 813     const answering_players = Object.keys(this.props.players_answering);;
 814     if (answering_players.length) {
 815       still_waiting = (
 816         <div>
 817           <p>
 818             Still waiting for the following player
 819             {answering_players.length > 1 ? 's' : ''}
 820             :
 821           </p>
 822           <ul>
 823             {answering_players.map(player => {
 824               return (
 825                 <li
 826                   key={player}
 827                 >
 828                   {player}{' '}
 829                   <span className=
 830                   {this.props.players_answering[player].active ?
 831                    "typing active"
 832                    :
 833                    "typing idle"}>
 834                     <span>{'.'}</span><span>{'.'}</span><span>{'.'}</span>
 835                   </span>
 836                 </li>
 837               );
 838             })}
 839           </ul>
 840         </div>
 841       );
 842     }
 843
 844     if (this.props.players_answered.has(this.props.player.name)) {
 845       return (
 846         <div className="please-wait">
 847           <h2>Submission received</h2>
 848           <p>
 849             The following players have submitted their answers:{' '}
 850             {[...this.props.players_answered].join(', ')}
 851           </p>
 852           {still_waiting}
 853           {move_on_button}
 854
 855         </div>
 856       );
 857     }
 858
 859     return (
 860       <div className="active-prompt">
 861         <h2>The Game of Empathy</h2>
 862         <p>
 863           Remember, you're trying to match your answers with
 864           what the other players submit.
 865           Give {this.props.prompt.items} answer
 866           {this.props.prompt.items > 1 ? 's' : ''} for the following prompt:
 867         </p>
 868         <h2>{this.props.prompt.prompt}</h2>
 869         <form onSubmit={this.handle_submit}>
 870           {[...Array(this.props.prompt.items)].map((whocares,i) => {
 871             return (
 872               <div
 873                 key={i}
 874                 className="form-field large">
 875                 <input
 876                   type="text"
 877                   name={`answer_${i}`}
 878                   required
 879                   autoComplete="off"
 880                   onChange={this.handle_change}
 881                   ref={this.answers[i]}
 882                 />
 883               </div>
 884             );
 885           })}
 886
 887           <div
 888             key="submit-button"
 889             className="form-field large">
 890             <button type="submit">
 891               Send
 892             </button>
 893           </div>
 894
 895         </form>
 896       </div>
 897     );
 898   }
 899 }
 900
 901 class Game extends React.PureComponent {
 902   constructor(props) {
 903     super(props);
 904     this.state = {
 905       game_info: {},
 906       player_info: {},
 907       other_players: [],
 908       prompts: [],
 909       active_prompt: null,
 910       players_answered: new Set(),
 911       players_answering: {},
 912       answering_idle: false,
 913       end_answers_votes: new Set(),
 914       ambiguities: null,
 915       players_judged: new Set(),
 916       players_judging: {},
 917       judging_idle: false,
 918       end_judging_votes: new Set(),
 919       scores: null,
 920       new_game_votes: new Set(),
 921       ready: false
 922     };
 923   }
 924
 925   set_game_info(info) {
 926     this.setState({
 927       game_info: info
 928     });
 929   }
 930
 931   set_player_info(info) {
 932     this.setState({
 933       player_info: info
 934     });
 935   }
 936
 937   set_other_player_info(info) {
 938     const other_players_copy = [...this.state.other_players];
 939     const idx = other_players_copy.findIndex(o => o.id === info.id);
 940     if (idx >= 0) {
 941       other_players_copy[idx] = info;
 942     } else {
 943       other_players_copy.push(info);
 944     }
 945     this.setState({
 946       other_players: other_players_copy
 947     });
 948   }
 949
 950   remove_player(info) {
 951     this.setState({
 952       other_players: this.state.other_players.filter(o => o.id !== info.id)
 953     });
 954   }
 955
 956   reset_game_state() {
 957     this.setState({
 958       prompts: [],
 959       active_prompt: null,
 960       players_answered: new Set(),
 961       players_answering: {},
 962       answering_idle: false,
 963       end_answers_votes: new Set(),
 964       ambiguities: null,
 965       players_judged: new Set(),
 966       players_judging: {},
 967       judging_idle: false,
 968       end_judging_votes: new Set(),
 969       scores: null,
 970       new_game_votes: new Set(),
 971       ready: false
 972     });
 973   }
 974
 975   set_prompts(prompts) {
 976     this.setState({
 977       prompts: prompts
 978     });
 979   }
 980
 981   add_or_update_prompt(prompt) {
 982     const prompts_copy = [...this.state.prompts];
 983     const idx = prompts_copy.findIndex(p => p.id === prompt.id);
 984     if (idx >= 0) {
 985       prompts_copy[idx] = prompt;
 986     } else {
 987       prompts_copy.push(prompt);
 988     }
 989     this.setState({
 990       prompts: prompts_copy
 991     });
 992   }
 993
 994   set_active_prompt(prompt) {
 995     this.setState({
 996       active_prompt: prompt
 997     });
 998   }
 999
1000   set_players_answered(players) {
1001     this.setState({
1002       players_answered: new Set(players)
1003     });
1004   }
1005
1006   set_player_answered(player) {
1007     const new_players_answering = {...this.state.players_answering};
1008     delete new_players_answering[player];
1009
1010     this.setState({
1011       players_answered: new Set([...this.state.players_answered, player]),
1012       players_answering: new_players_answering
1013     });
1014   }
1015
1016   set_players_answering(players) {
1017     const players_answering = {};
1018     for (let player of players) {
1019       players_answering[player] = {active: false};
1020     }
1021     this.setState({
1022       players_answering: players_answering
1023     });
1024   }
1025
1026   set_player_answering(player) {
1027     /* Set the player as actively answering now. */
1028     this.setState({
1029       players_answering: {
1030         ...this.state.players_answering,
1031         [player]: {active: true}
1032       }
1033     });
1034     /* And arrange to have them marked idle very shortly.
1035      *
1036      * Note: This timeout is intentionally very, very short. We only
1037      * need it long enough that the browser has latched onto the state
1038      * change to "active" above. We actually use a CSS transition
1039      * delay to control the user-perceptible length of time after
1040      * which an active player appears inactive.
1041      */
1042     setTimeout(() => {
1043       this.setState({
1044         players_answering: {
1045           ...this.state.players_answering,
1046           [player]: {active: false}
1047         }
1048       });
1049     }, 100);
1050   }
1051
1052   set_answering_idle(value) {
1053     this.setState({
1054       answering_idle: value
1055     });
1056   }
1057
1058   set_end_answers(players) {
1059     this.setState({
1060       end_answers_votes: new Set(players)
1061     });
1062   }
1063
1064   set_player_vote_end_answers(player) {
1065     this.setState({
1066       end_answers_votes: new Set([...this.state.end_answers_votes, player])
1067     });
1068   }
1069
1070   set_player_unvote_end_answers(player) {
1071     this.setState({
1072       end_answers_votes: new Set([...this.state.end_answers_votes].filter(p => p !== player))
1073     });
1074   }
1075
1076   set_ambiguities(ambiguities) {
1077     this.setState({
1078       ambiguities: ambiguities
1079     });
1080   }
1081
1082   set_players_judged(players) {
1083     this.setState({
1084       players_judged: new Set(players)
1085     });
1086   }
1087
1088   set_player_judged(player) {
1089     const new_players_judging = {...this.state.players_judging};
1090     delete new_players_judging[player];
1091
1092     this.setState({
1093       players_judged: new Set([...this.state.players_judged, player]),
1094       players_judging: new_players_judging
1095     });
1096   }
1097
1098   set_players_judging(players) {
1099     const players_judging = {};
1100     for (let player of players) {
1101       players_judging[player] = {active: false};
1102     }
1103     this.setState({
1104       players_judging: players_judging
1105     });
1106   }
1107
1108   set_player_judging(player) {
1109     /* Set the player as actively judging now. */
1110     this.setState({
1111       players_judging: {
1112         ...this.state.players_judging,
1113         [player]: {active: true}
1114       }
1115     });
1116     /* And arrange to have them marked idle very shortly.
1117      *
1118      * Note: This timeout is intentionally very, very short. We only
1119      * need it long enough that the browser has latched onto the state
1120      * change to "active" above. We actually use a CSS transition
1121      * delay to control the user-perceptible length of time after
1122      * which an active player appears inactive.
1123      */
1124     setTimeout(() => {
1125       this.setState({
1126         players_judging: {
1127           ...this.state.players_judging,
1128           [player]: {active: false}
1129         }
1130       });
1131     }, 100);
1132
1133   }
1134
1135   set_judging_idle(value) {
1136     this.setState({
1137       judging_idle: value
1138     });
1139   }
1140
1141   set_end_judging(players) {
1142     this.setState({
1143       end_judging_votes: new Set(players)
1144     });
1145   }
1146
1147   set_player_vote_end_judging(player) {
1148     this.setState({
1149       end_judging_votes: new Set([...this.state.end_judging_votes, player])
1150     });
1151   }
1152
1153   set_player_unvote_end_judging(player) {
1154     this.setState({
1155       end_judging_votes: new Set([...this.state.end_judging_votes].filter(p => p !== player))
1156     });
1157   }
1158
1159   set_scores(scores) {
1160     this.setState({
1161       scores: scores
1162     });
1163   }
1164
1165   set_new_game_votes(players) {
1166     this.setState({
1167       new_game_votes: new Set(players)
1168     });
1169   }
1170
1171   set_player_vote_new_game(player) {
1172     this.setState({
1173       new_game_votes: new Set([...this.state.new_game_votes, player])
1174     });
1175   }
1176
1177   set_player_unvote_new_game(player) {
1178     this.setState({
1179       new_game_votes: new Set([...this.state.new_game_votes].filter(p => p !== player))
1180     });
1181   }
1182
1183   state_ready() {
1184     this.setState({
1185       ready: true
1186     });
1187   }
1188
1189   render() {
1190     const state = this.state;
1191     const players_total = 1 + state.other_players.length;
1192
1193     if (state.scores) {
1194
1195       let perfect_score = 0;
1196       for (let i = 0;
1197            i < state.active_prompt.items &&
1198            i < state.scores.words.length;
1199            i++)
1200       {
1201         perfect_score += state.scores.words[i].players.length;
1202       }
1203
1204       return (
1205         <div className="scores">
1206           <h2>{state.active_prompt.prompt}</h2>
1207           <h2>Scores</h2>
1208           <ul>
1209             {state.scores.scores.map(score => {
1210               let perfect = null;
1211               if (score.score == perfect_score) {
1212                 perfect = <span className="label">Perfect!</span>;
1213               }
1214               return (
1215                 <li key={score.players[0]}>
1216                   {score.players.join("/")}: {score.score} {perfect}
1217                 </li>
1218               );
1219             })}
1220           </ul>
1221           <h2>Words submitted</h2>
1222           <ul>
1223             {state.scores.words.map(word => {
1224               return (
1225                 <li key={word.word}>
1226                   {word.word} ({word.players.length}): {word.players.join(', ')}
1227                 </li>
1228               );
1229             })}
1230           </ul>
1231           <button
1232             className="vote-button"
1233             onClick={() => fetch_post_json(`new-game/${state.active_prompt.id}`) }
1234           >
1235             New Game
1236             <div className="vote-choices">
1237               {[...state.new_game_votes].map(v => {
1238                 return (
1239                   <div
1240                     key={v}
1241                     className="vote-choice"
1242                   >
1243                     {v}
1244                   </div>
1245                 );
1246               })}
1247             </div>
1248           </button>
1249         </div>
1250       );
1251     }
1252
1253     if (state.ambiguities){
1254       return <Ambiguities
1255                prompt={state.active_prompt}
1256                words={state.ambiguities}
1257                player={state.player_info}
1258                players_judged={state.players_judged}
1259                players_judging={state.players_judging}
1260                idle={state.judging_idle}
1261                votes={state.end_judging_votes}
1262              />;
1263     }
1264
1265     if (state.active_prompt) {
1266       return <ActivePrompt
1267                prompt={state.active_prompt}
1268                player={state.player_info}
1269                players_answered={state.players_answered}
1270                players_answering={state.players_answering}
1271                idle={state.answering_idle}
1272                votes={state.end_answers_votes}
1273              />;
1274     }
1275
1276     if (! state.ready)
1277       return null;
1278
1279     return [
1280       <GameInfo
1281         key="game-info"
1282         id={state.game_info.id}
1283         url={state.game_info.url}
1284       />,
1285       <PlayerInfo
1286         key="player-info"
1287         game={this}
1288         player={state.player_info}
1289         other_players={state.other_players}
1290       />,
1291       <p key="spacer"></p>,
1292       <CategoryRequest
1293         key="category-request"
1294       />,
1295       <PromptOptions
1296         key="prompts"
1297         prompts={state.prompts}
1298         player={state.player_info}
1299       />,
1300       <LetsPlay
1301         key="lets-play"
1302         num_players={1+state.other_players.length}
1303         prompts={state.prompts}
1304       />
1305     ];
1306   }
1307 }
1308
1309 ReactDOM.render(<Game
1310                   ref={(me) => window.game = me}
1311                 />, document.getElementById("empathy"));