From fcf5a819ef52ab3069f687e6943599fa3ccf96b3 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Wed, 28 May 2025 12:17:55 +0200
Subject: Web solver is usable

---
 web/http/nissyapp.mjs | 134 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 127 insertions(+), 7 deletions(-)

(limited to 'web/http/nissyapp.mjs')

diff --git a/web/http/nissyapp.mjs b/web/http/nissyapp.mjs
index 23e74d0..b8a525c 100644
--- a/web/http/nissyapp.mjs
+++ b/web/http/nissyapp.mjs
@@ -7,30 +7,149 @@ var scrField = document.getElementById("scrambleText");
 var resultsLabel = document.getElementById("resultsLabel");
 var resultsText = document.getElementById("results");
 var solverSelector = document.getElementById("solverSelector");
+var toggleLog = document.getElementById("toggleShowLog");
+var logPane = document.getElementById("logPane");
 
 var lastCallbackId = 0;
 var callbacks = new Map(); // Values: { f: function, arg: object }
 var worker = new Worker("./worker.mjs", { type: "module" });
 worker.onmessage = (event) => {
   if (event.data.command == "log") {
-    console.log(event.data.object); // TODO
+    logPane.innerText += event.data.object;
+    console.log(event.data.object);
   } else if (!callbacks.has(event.data.id)) {
     console.log("[nissy app] Unknown callback " + event.data.id +
       " for command " + event.data.command);
   } else {
     var callback = callbacks.get(event.data.id);
+    callbacks.delete(event.data.id);
     callback.f(callback.arg, event.data.arg);
   }
 };
 
-function updateResults(label, results, buttonState) {
+function updateResults(label, results, enable) {
   resultsLabel.innerText = label;
   resultsText.innerText = results;
-  solveButton.disable = !buttonState;
+  solveButton.disable = !enable;
+  solverSelector.disable = !enable;
 }
 
+var logVisible = false;
+toggleLog.addEventListener("click", () => {
+  logVisible = !logVisible;
+  if (logVisible) {
+    logPane.style.display = "block";
+    toggleLog.innerText = "Hide nissy log messages";
+  } else {
+    logPane.style.display = "none";
+    toggleLog.innerText = "Show nissy log messages";
+  }
+});
+
 solveButton.addEventListener("click", () => {
-  updateResults("Loading solutions...", "", false);
+  const solver = solverSelector.options[solverSelector.selectedIndex].value;
+  const scramble = scrField.value;
+  loadDataThenSolve(solver, scramble);
+
+  const solveCallbackId = ++lastCallbackId;
+  callbacks.set(solveCallbackId, {
+    f: (callbackArg, loadResult) => {
+      if (loadResult.success) {
+        startSolve(callbackArg.solver, callbackArg.scramble);
+      } else {
+        updateResults("", "", true);
+      }
+    },
+    arg: { solver: solver, scramble: scramble }
+  });
+
+  const downloadCallbackId = ++lastCallbackId;
+});
+
+function loadDataThenSolve(solver, scramble) {
+  updateResults("Loading solver " + solver + "...", "", false);
+
+  const callbackId = ++lastCallbackId;
+  callbacks.set(callbackId, {
+    f: (callbackArg, loadResult) => {
+      if (loadResult.success)
+        startSolve(callbackArg.solver, callbackArg.scramble);
+      else
+        askDownloadThenSolve(callbackArg.solver, callbackArg.scramble);
+    },
+    arg: { solver: solver, scramble: scramble }
+  });
+
+  worker.postMessage({
+    command: "load solver data",
+    id: callbackId,
+    arg: solver
+  });
+}
+
+function askDownloadThenSolve(solver, scramble) {
+  var confirmDiv = document.getElementById("confirmDownload");
+  var cancel = document.getElementById("confirmDownloadCancel");
+  var download = document.getElementById("confirmDownloadConfirm");
+  var generate = document.getElementById("confirmDownloadGenerate");
+  const cleanup = () => {
+    confirmDiv.style.display = "none";
+
+    // Remove event listeners by cloning the buttons
+    cancel.outerHTML = cancel.outerHTML;
+    download.outerHTML = download.outerHTML;
+    generate.outerHTML = generate.outerHTML;
+  };
+
+  updateResults("", "", false);
+  confirmDiv.style.display = "block";
+
+  cancel.addEventListener("click", cleanup);
+
+  download.addEventListener("click", () => {
+    cleanup();
+    downloadDataThenSolve(solver, scramble);
+  });
+
+  generate.addEventListener("click", () => {
+    cleanup();
+    generateDataThenSolve(solver, scramble);
+  });
+}
+
+const downloadDataThenSolve = (solver, scramble) =>
+  downloadOrGenerateThenSolve(solver, scramble, true);
+
+const generateDataThenSolve = (solver, scramble) =>
+  downloadOrGenerateThenSolve(solver, scramble, false);
+
+function downloadOrGenerateThenSolve(solver, scramble, download) {
+  const msg = download ? "Downloading data for " : "Generating data for ";
+  const command = download ? "download solver data" : "generate solver data";
+
+  updateResults(msg + solver + "...", "", false);
+
+  const callbackId = ++lastCallbackId;
+  callbacks.set(callbackId, {
+    f: (callbackArg, loadResult) => {
+      if (loadResult.success)
+        startSolve(callbackArg.solver, callbackArg.scramble);
+      else
+        updateResults("Failed", loadResult.message, true);
+    },
+    arg: { solver: solver, scramble: scramble }
+  });
+
+  worker.postMessage({
+    command: command,
+    id: callbackId,
+    arg: solver
+  });
+}
+
+function startSolve(solver, scramble) {
+  updateResults("Solving...", "", false);
+
   const callbackId = ++lastCallbackId;
   callbacks.set(callbackId, {
     f: (callbackArg, solveResult) => {
@@ -46,12 +165,13 @@ solveButton.addEventListener("click", () => {
     },
     arg: "" // Currently unused
   });
+
   worker.postMessage({
     command: "solve",
     id: callbackId,
     arg: {
-      solver: solverSelector.options[solverSelector.selectedIndex].value,
-      scramble: scrField.value,
+      solver: solver,
+      scramble: scramble,
       minmoves: 0,
       maxmoves: 20,
       maxsolutions: 1,
@@ -59,4 +179,4 @@ solveButton.addEventListener("click", () => {
       threads: window.navigator.hardwareConcurrency,
     }
   });
-});
+}
-- 
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