From 93282de41d78c9c024c9fa395d5088aec91416f4 Mon Sep 17 00:00:00 2001
From: WEVAL <ymahboub@weval-consulting.com>
Date: Fri, 3 Apr 2026 05:48:03 +0200
Subject: [PATCH] add edge-proxy

---
 edge-proxy/fly.toml     | 15 ++++++++
 edge-proxy/package.json |  8 ++++
 edge-proxy/railway.json |  5 +++
 edge-proxy/server.js    | 81 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 109 insertions(+)
 create mode 100644 edge-proxy/fly.toml
 create mode 100644 edge-proxy/package.json
 create mode 100644 edge-proxy/railway.json
 create mode 100644 edge-proxy/server.js

diff --git a/edge-proxy/fly.toml b/edge-proxy/fly.toml
new file mode 100644
index 000000000..e13daa850
--- /dev/null
+++ b/edge-proxy/fly.toml
@@ -0,0 +1,15 @@
+app = "weval-edge"
+primary_region = "cdg"
+
+[build]
+  builder = "heroku/builder:22"
+
+[http_service]
+  internal_port = 3000
+  force_https = true
+  auto_stop_machines = "stop"
+  auto_start_machines = true
+  min_machines_running = 0
+
+[env]
+  PORT = "3000"
diff --git a/edge-proxy/package.json b/edge-proxy/package.json
new file mode 100644
index 000000000..02e43309e
--- /dev/null
+++ b/edge-proxy/package.json
@@ -0,0 +1,8 @@
+{
+  "name": "weval-edge-proxy",
+  "version": "1.0.0",
+  "description": "WEVAL Sovereign AI Edge Proxy",
+  "main": "server.js",
+  "scripts": { "start": "node server.js" },
+  "engines": { "node": ">=18" }
+}
diff --git a/edge-proxy/railway.json b/edge-proxy/railway.json
new file mode 100644
index 000000000..64a16c4d6
--- /dev/null
+++ b/edge-proxy/railway.json
@@ -0,0 +1,5 @@
+{
+  "$schema": "https://railway.app/railway.schema.json",
+  "build": { "builder": "NIXPACKS" },
+  "deploy": { "startCommand": "node server.js", "restartPolicyType": "ON_FAILURE" }
+}
diff --git a/edge-proxy/server.js b/edge-proxy/server.js
new file mode 100644
index 000000000..08a715704
--- /dev/null
+++ b/edge-proxy/server.js
@@ -0,0 +1,81 @@
+// WEVAL Edge Proxy — Sovereign AI Router
+// Deploys on Railway (free $5) or Fly.io (free 3 VMs)
+const http = require('http');
+const https = require('https');
+
+const PORT = process.env.PORT || 3000;
+const WEVAL_API = 'https://weval-consulting.com';
+
+const PROVIDERS = {
+  groq: { url: 'https://api.groq.com/openai/v1/chat/completions', model: 'llama-3.3-70b-versatile' },
+  cf: { url: 'https://api.cloudflare.com/client/v4/accounts/d3d50d5b6fb372afed8d7a8e4b16dd10/ai/run/@cf/meta/llama-3.1-8b-instruct' },
+  cfdeep: { url: 'https://api.cloudflare.com/client/v4/accounts/d3d50d5b6fb372afed8d7a8e4b16dd10/ai/run/@cf/deepseek-ai/deepseek-r1-distill-qwen-32b' },
+  gemini: { url: 'https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent' },
+};
+
+function fetch(url, opts) {
+  return new Promise((resolve, reject) => {
+    const u = new URL(url);
+    const mod = u.protocol === 'https:' ? https : http;
+    const req = mod.request(u, { method: opts.method || 'GET', headers: opts.headers || {} }, res => {
+      let d = '';
+      res.on('data', c => d += c);
+      res.on('end', () => resolve({ status: res.statusCode, body: d }));
+    });
+    req.on('error', reject);
+    if (opts.body) req.write(opts.body);
+    req.end();
+  });
+}
+
+const server = http.createServer(async (req, res) => {
+  res.setHeader('Access-Control-Allow-Origin', '*');
+  res.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS');
+  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+  if (req.method === 'OPTIONS') { res.writeHead(200); return res.end(); }
+
+  // Health check
+  if (req.url === '/' || req.url === '/health') {
+    res.writeHead(200, { 'Content-Type': 'application/json' });
+    return res.end(JSON.stringify({ status: 'ok', service: 'WEVAL Edge Proxy', providers: Object.keys(PROVIDERS), uptime: process.uptime() }));
+  }
+
+  // Chat endpoint
+  if (req.url === '/chat' && req.method === 'POST') {
+    let body = '';
+    req.on('data', c => body += c);
+    req.on('end', async () => {
+      try {
+        const { message, provider } = JSON.parse(body);
+        if (!message) { res.writeHead(400); return res.end(JSON.stringify({ error: 'message required' })); }
+        // Proxy to WEVAL chatbot
+        const r = await fetch(WEVAL_API + '/api/weval-ia-fast.php', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ message, mode: 'fast' })
+        });
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.end(r.body);
+      } catch (e) {
+        res.writeHead(500); res.end(JSON.stringify({ error: e.message }));
+      }
+    });
+    return;
+  }
+
+  // Proxy to WEVAL API
+  if (req.url.startsWith('/api/')) {
+    try {
+      const r = await fetch(WEVAL_API + req.url, { method: req.method, headers: { 'Content-Type': 'application/json' } });
+      res.writeHead(r.status, { 'Content-Type': 'application/json' });
+      res.end(r.body);
+    } catch (e) {
+      res.writeHead(502); res.end(JSON.stringify({ error: 'upstream error' }));
+    }
+    return;
+  }
+
+  res.writeHead(404); res.end(JSON.stringify({ error: 'not found' }));
+});
+
+server.listen(PORT, () => console.log(`WEVAL Edge Proxy running on :${PORT}`));