From fc905134c97516274e13ec5c71c525ec006d4072 Mon Sep 17 00:00:00 2001
From: Tim Stallard <code@timstallard.me.uk>
Date: Tue, 13 Dec 2016 23:49:17 +0000
Subject: [PATCH] Added deduplication

---
 day11/parallel_rewrite.js | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/day11/parallel_rewrite.js b/day11/parallel_rewrite.js
index ec1fffc..0acd67e 100644
--- a/day11/parallel_rewrite.js
+++ b/day11/parallel_rewrite.js
@@ -100,11 +100,15 @@ function nextSetOfScenarios(scenarios, callback){
     }
     return true;
   };
-
   scenarioSort = (scenario)=>{
     scenario.floors.forEach((a)=>(a.sort()));
     return scenario;
   }
+  scenarioToJson = (scenario)=>(JSON.stringify(scenario));
+  scenarioFromJson = (scenario)=>(JSON.parse(scenario));
+  scenarioDuplicate = (scenario, i, scenarios)=>{
+    return [scenarios.indexOf(scenario) == i, scenario];
+  };
 
 
 
@@ -122,10 +126,29 @@ function nextSetOfScenarios(scenarios, callback){
       console.log("valid", scenarios.length);
       p.map(scenarios, scenarioSort, (err, scenarios)=>{
         console.log("sorted", scenarios.length);
-        callback(scenarios);
+        p.map(scenarios, scenarioToJson, (err, scenarios)=>{
+          console.log("inJSON", scenarios.length);
+          p.map(scenarios, scenarioDuplicate, (err, scenarios)=>{
+            scenarios = scenarios.filter((scenario)=>(scenario[0]));
+            scenarios = scenarios.map((scenario)=>(scenario[1]));
+            console.log("deduped", scenarios.length);
+            p.map(scenarios, scenarioFromJson, (err, scenarios)=>{
+              console.log("fromJSON", scenarios.length);
+              callback(scenarios);
+            });
+          });
+        });
       });
     });
-  })
+  });
+
+  /*
+  Standard code to copy
+  p.map(scenarios, scenarioSort, (err, scenarios)=>{
+    callback(scenarios);
+  });
+
+  */
 
   //p.map(possibleScenarios).reduce(merge).spawn(forceMerge).then(callback);
 
@@ -180,7 +203,7 @@ var callback = (scenarios)=>{
     nextSetOfScenarios(scenarios, callback);
   }
   else{
-    console.log(possibilities);
+    console.log(scenarios);
     p.destroy();
   }
 }