Backgammon AI

src/app/mods/backgammon.ts

@@ -22,6 +22,9 @@ export const backgammonPlugin: Plugin = {
     actions: [
       { event: 'flip', label: $localize`flip` },
     ],
+    advancedActions: [
+      { tag: 'plugin/delta/backgammon', labelOff: $localize`play ai`, labelOn: $localize`cancel ai`, title: $localize`Play against an AI opponent.` },
+    ],
     // language=CSS
     css: `
       body.dark-theme {
@@ -58,6 +61,128 @@ export const backgammonPlugin: Plugin = {
   }
 };
 
+export const backgammonAiPlugin: Plugin = {
+  tag: 'plugin/delta/backgammon',
+  name: $localize`🎲️👻️ AI Backgammon`,
+  config: {
+    mod: $localize`🎲️ Backgammon`,
+    type: 'plugin',
+    generated: $localize`Generated by jasper-ui ${moment().toISOString()}`,
+    description: $localize`Play backgammon against the AI.`,
+    icons: [{ label: $localize`👻️`, order: -3 }],
+    timeoutMs: 30_000,
+    language: 'javascript',
+    // language=JavaScript
+    script: `
+      const axios = require('axios');
+      const OpenAi = require('openai');
+      const ref = JSON.parse(require('fs').readFileSync(0, 'utf-8'));
+      const roll = () => Math.floor(Math.random() * 6) + 1;
+      const origin = ref.origin || ''
+      const config = ref.plugins['plugin/delta/backgammon'];
+      if (!(ref.comment || '').trim()) process.exit(0); // Let other player roll first
+      const moves = ref.comment.split('\\n').map(m => m.trim()).filter(m => !!m);
+      let aiColor = (config?.aiColor.toLowerCase() === 'black' ? 'b' : 'r');
+      let userRoll = 0;
+      let aiRoll = 0;
+      const parseRoll = m => {
+        if (m.startsWith(aiColor)) {
+          aiRoll = parseInt(m.substring(2, 3));
+        } else {
+          userRoll = parseInt(m.substring(2, 3));
+        }
+      }
+      let move = '';
+      const lastMove = moves[moves.length - 1];
+      if (lastMove.endsWith('-0')) {
+        for (let i = 0; i < moves.length; i += 2) {
+          userRoll = 0;
+          aiRoll = 0;
+          parseRoll(moves[i]);
+          if (i + 1 < moves.length) {
+            parseRoll(moves[i+1]);
+          }
+        }
+        if (!aiRoll) {
+          aiRoll = roll();
+          move = aiColor + ' ' + aiRoll + '-0';
+        } else if (userRoll) {
+          if (aiRoll <= userRoll) process.exit(0); // Let other player re-roll first
+          // AI won the roll, ask for a move
+        }
+      }
+      if (!move) {
+        const apiKey = (await axios.get(process.env.JASPER_API + '/api/v1/ref/page', {
+          headers: {
+            'Local-Origin': origin || 'default',
+            'User-Role': 'ROLE_ADMIN',
+          },
+          params: { query: (config?.apiKeyTag || '+plugin/secret/openai') + origin },
+        })).data.content[0].comment;
+        const prompt =
+          'You are playing a game of backgammon against an opponent.\\n' +
+          'You are the ' + config?.aiColor + ' player indicated by the ' + aiColor + ' character.\\n\\n' +
+          'Read the following board and reply with the next move.\\n' +
+          'Here is an example board:' +
+          'r 2-0\\n' +
+          'b 5-0\\n' +
+          'b 4-4\\n' +
+          'b 6/2(4)\\n' +
+          'r 2-6\\n' +
+          'r 12/18\\n' +
+          'r 17/19\\n' +
+          'Rolling will be done for you, if it is your turn to roll simply reply roll.\\n' +
+          'If the game has ended or is not valid simply reply pass.\\n' +
+          'Do not include any lists, formatting, additional text. Only reply with either a valid move or the word pass or roll in all lowercase.\\n\\n'
+          + ref.comment;
+        const openai = new OpenAi({ apiKey });
+        const completion = await openai.chat.completions.create({
+          model: config?.model || 'gpt-4o',
+          max_tokens: config?.maxTokens || 4096,
+          messages: [
+            { role: 'system', content: prompt },
+            { role: 'user', content: ref.comment },
+          ],
+        });
+        move = completion.choices[0]?.message?.content;
+      }
+      if (move !== 'pass') {
+        if (move === 'roll') {
+          move = aiColor + ' ' + roll() + '-' + roll();
+        }
+        delete ref.metadata;
+        const newBoard = {
+          ...ref,
+          comment: (ref.comment ? ref.comment + '\\n' : '') + move,
+        };
+        console.log(JSON.stringify({
+          ref: [newBoard],
+        }));
+      }
+    `,
+    form: [{
+      key: 'aiColor',
+      type: 'select',
+      defaultValue: 'Black',
+      props: {
+        label: $localize`AI Color:`,
+        options: [
+          { value: 'Black', label: $localize`Black` },
+          { value: 'Red', label: $localize`Red` },
+        ],
+      }
+    }],
+  },
+  defaults: {
+    aiColor: 'Black',
+  },
+  schema: {
+    properties: {
+      aiColor: { type: 'string' },
+    },
+  },
+};
+
 export const backgammonTemplate: Template = {
   tag: 'plugin/backgammon',
   name: $localize`🎲️ Backgammon`,
@@ -123,6 +248,7 @@ export const backgammonTemplate: Template = {
 export const backgammonMod: Mod = {
   plugins: {
     backgammonPlugin,
+    backgammonAiPlugin,
   },
   templates: {
     backgammonTemplate,