feat: ai generator - add support for claude

modules/ui/ai-generator.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const GPT_MODELS = ["gpt-4o-mini", "chatgpt-4o-latest", "gpt-4o", "gpt-4-turbo", "gpt-4", "gpt-3.5-turbo"];
+const LLMS = ["gpt-4o-mini", "chatgpt-4o-latest", "gpt-4o", "gpt-4-turbo", "gpt-4", "gpt-3.5-turbo", "claude-3-opus-20240229", "claude-3-sonnet-20240229", "claude-3-haiku-20240307", "claude-3-5-sonnet-20240620"];
 const SYSTEM_MESSAGE = "I'm working on my fantasy map.";
 
 function geneateWithAi(defaultPrompt, onApply) {
@@ -23,12 +23,27 @@ function geneateWithAi(defaultPrompt, onApply) {
       Close: function () {
         $(this).dialog("close");
       }
+    },
+    open: function() {
+      initialize();
+    },
+    close: function() {
+      const helpLink = byId("aiGeneratorKey").nextElementSibling;
+      helpLink.removeEventListener("mouseover", showDataTip);
     }
   });
 
   if (modules.geneateWithAi) return;
   modules.geneateWithAi = true;
 
+  function initialize() {
+    byId("aiGeneratorModel").addEventListener("change", function(e) {
+      updateKeyHelp(e.target.value);
+    });
+    
+    updateValues();
+  }
+
   function updateValues() {
     byId("aiGeneratorResult").value = "";
     byId("aiGeneratorPrompt").value = defaultPrompt;
@@ -36,13 +51,34 @@ function geneateWithAi(defaultPrompt, onApply) {
 
     const select = byId("aiGeneratorModel");
     select.options.length = 0;
-    GPT_MODELS.forEach(model => select.options.add(new Option(model, model)));
-    select.value = localStorage.getItem("fmg-ai-model") || GPT_MODELS[0];
+    LLMS.forEach(model => select.options.add(new Option(model, model)));
+    select.value = localStorage.getItem("fmg-ai-model") || LLMS[0];
+    
+    updateKeyHelp(select.value);
+  }
+
+  function updateKeyHelp(model) {
+    const keyInput = byId("aiGeneratorKey");
+    const helpLink = keyInput.nextElementSibling;
+    
+    helpLink.removeEventListener("mouseover", showDataTip);
+    
+    if (model.includes("claude")) {
+      keyInput.placeholder = "Enter Anthropic API key";
+      helpLink.href = "https://console.anthropic.com/account/keys";
+      helpLink.dataset.tip = "Get the key at Anthropic's website. The key will be stored in your browser and send to Anthropic API directly. The Map Generator doesn't store the key or any generated data";
+    } else {
+      keyInput.placeholder = "Enter OpenAI API key";
+      helpLink.href = "https://platform.openai.com/account/api-keys";
+      helpLink.dataset.tip = "Get the key at OpenAI website. The key will be stored in your browser and send to OpenAI API directly. The Map Generator doesn't store the key or any generated data";
+    }
+    
+    helpLink.addEventListener("mouseover", showDataTip);
   }
 
   async function generate(button) {
     const key = byId("aiGeneratorKey").value;
-    if (!key) return tip("Please enter an OpenAI API key", true, "error", 4000);
+    if (!key) return tip("Please enter an API key", true, "error", 4000);
     localStorage.setItem("fmg-ai-kl", key);
 
     const model = byId("aiGeneratorModel").value;
@@ -58,6 +94,57 @@ function geneateWithAi(defaultPrompt, onApply) {
       resultArea.value = "";
       resultArea.disabled = true;
 
+      if (model.includes("claude")) {
+        const baseUrl = "https://api.anthropic.com/v1/messages";
+
+        const response = await fetch(baseUrl, {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+            "x-api-key": key,
+            "anthropic-version": "2023-06-01",
+            "anthropic-dangerous-direct-browser-access": "true"
+          },
+          body: JSON.stringify({
+            model,
+            messages: [{role: "user", content: prompt}],
+            stream: true,
+            max_tokens: 4096
+          })
+        });
+
+        if (!response.ok) {
+          const json = await response.json();
+          throw new Error(json?.error?.message || "Failed to generate with Claude");
+        }
+
+        const reader = response.body.getReader();
+        const decoder = new TextDecoder("utf-8");
+        let buffer = "";
+
+        while (true) {
+          const {done, value} = await reader.read();
+          if (done) break;
+
+          buffer += decoder.decode(value, {stream: true});
+          const lines = buffer.split("\n");
+
+          for (let i = 0; i < lines.length - 1; i++) {
+            const line = lines[i].trim();
+            if (line.startsWith("data: ")) {
+              try {
+                const jsonData = JSON.parse(line.slice(6));
+                const content = jsonData.delta?.text;
+                if (content) resultArea.value += content;
+              } catch (jsonError) {
+                console.warn("Failed to parse Claude JSON:", jsonError, "Line:", line);
+              }
+            }
+          }
+
+          buffer = lines[lines.length - 1];
+        }
+      } else {
         const response = await fetch("https://api.openai.com/v1/chat/completions", {
           method: "POST",
           headers: {
@@ -71,7 +158,7 @@ function geneateWithAi(defaultPrompt, onApply) {
               {role: "user", content: prompt}
             ],
             temperature: 1.2,
-          stream: true // Enable streaming
+            stream: true
           })
         });
 
@@ -106,6 +193,7 @@ function geneateWithAi(defaultPrompt, onApply) {
 
           buffer = lines[lines.length - 1];
         }
+      }
     } catch (error) {
       return tip(error.message, true, "error", 4000);
     } finally {