From cf2896324e60e2dc3890c658378499383100e79c Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Tue, 27 May 2025 16:45:06 +0200
Subject: Big progress with web version

---
 web/http/nissyapp.mjs | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 web/http/nissyapp.mjs

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

diff --git a/web/http/nissyapp.mjs b/web/http/nissyapp.mjs
new file mode 100644
index 0000000..23e74d0
--- /dev/null
+++ b/web/http/nissyapp.mjs
@@ -0,0 +1,62 @@
+// Run ./build web from the main folder before running this example.
+// The necessary modules (including worker.mjs) will be built and / or moved
+// to this folder when running ./build web.
+
+var solveButton = document.getElementById("solveButton");
+var scrField = document.getElementById("scrambleText");
+var resultsLabel = document.getElementById("resultsLabel");
+var resultsText = document.getElementById("results");
+var solverSelector = document.getElementById("solverSelector");
+
+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
+  } 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);
+    callback.f(callback.arg, event.data.arg);
+  }
+};
+
+function updateResults(label, results, buttonState) {
+  resultsLabel.innerText = label;
+  resultsText.innerText = results;
+  solveButton.disable = !buttonState;
+}
+
+solveButton.addEventListener("click", () => {
+  updateResults("Loading solutions...", "", false);
+  const callbackId = ++lastCallbackId;
+  callbacks.set(callbackId, {
+    f: (callbackArg, solveResult) => {
+      if (solveResult.success) {
+        const n = solveResult.solutions.length;
+        const label = n == 0 ? "No solution found" :
+          ("Found " + n + " solution" + (n == 1 ? "" : "s")) + ":";
+        const text = solveResult.solutions.join("\n");
+        updateResults(label, text, true);
+      } else {
+        updateResults("Unexpected error while solving!", "", true);
+      }
+    },
+    arg: "" // Currently unused
+  });
+  worker.postMessage({
+    command: "solve",
+    id: callbackId,
+    arg: {
+      solver: solverSelector.options[solverSelector.selectedIndex].value,
+      scramble: scrField.value,
+      minmoves: 0,
+      maxmoves: 20,
+      maxsolutions: 1,
+      optimal: 20,
+      threads: window.navigator.hardwareConcurrency,
+    }
+  });
+});
-- 
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