Progress on action choices

app/imports/api/engine/action/functions/userInput/getReplayChoicesInputProvider.ts

@@ -0,0 +1,26 @@
+import InputProvider from '/imports/api/engine/action/functions/userInput/InputProvider';
+import getDeterministicDiceRoller from '/imports/api/engine/action/functions/userInput/getDeterministicDiceRoller';
+
+// This assumes the user's choices are in exactly the order they will be requested
+// Dice rolls are done fresh, no cheating
+export default function getReplayChoicesInputProvider(actionId: string, decisions: any[]):
+  InputProvider {
+  const dRoller = getDeterministicDiceRoller(actionId);
+  const replaySavedInput: InputProvider = {
+    nextStep() {
+      return Promise.resolve();
+    },
+    // To roll dice, ignore the user and use the deterministic dice roller again
+    rollDice(dice) {
+      decisions.pop();
+      return dRoller(dice);
+    },
+    choose() {
+      return Promise.resolve(decisions.pop());
+    },
+    advantage() {
+      return Promise.resolve(decisions.pop());
+    }
+  }
+  return replaySavedInput;
+}