Initial commit

src/app/api/cli-tools/codex-settings/route.js

@@ -0,0 +1,246 @@
+"use server";
+
+import { NextResponse } from "next/server";
+import { exec } from "child_process";
+import { promisify } from "util";
+import fs from "fs/promises";
+import path from "path";
+import os from "os";
+
+const execAsync = promisify(exec);
+
+const getCodexDir = () => path.join(os.homedir(), ".codex");
+const getCodexConfigPath = () => path.join(getCodexDir(), "config.toml");
+const getCodexAuthPath = () => path.join(getCodexDir(), "auth.json");
+
+// Parse TOML config to object (simple parser for codex config)
+const parseToml = (content) => {
+  const result = { _root: {}, _sections: {} };
+  let currentSection = "_root";
+  
+  content.split("\n").forEach((line) => {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith("#")) return;
+    
+    // Section header like [model_providers.9router]
+    const sectionMatch = trimmed.match(/^\[(.+)\]$/);
+    if (sectionMatch) {
+      currentSection = sectionMatch[1];
+      result._sections[currentSection] = {};
+      return;
+    }
+    
+    // Key = value
+    const kvMatch = trimmed.match(/^([^=]+)\s*=\s*(.+)$/);
+    if (kvMatch) {
+      const key = kvMatch[1].trim();
+      let value = kvMatch[2].trim();
+      // Remove quotes
+      if ((value.startsWith('"') && value.endsWith('"')) || (value.startsWith("'") && value.endsWith("'"))) {
+        value = value.slice(1, -1);
+      }
+      if (currentSection === "_root") {
+        result._root[key] = value;
+      } else {
+        result._sections[currentSection][key] = value;
+      }
+    }
+  });
+  
+  return result;
+};
+
+// Convert parsed object back to TOML string
+const toToml = (parsed) => {
+  let lines = [];
+  
+  // Root level keys
+  Object.entries(parsed._root).forEach(([key, value]) => {
+    lines.push(`${key} = "${value}"`);
+  });
+  
+  // Sections
+  Object.entries(parsed._sections).forEach(([section, values]) => {
+    lines.push("");
+    lines.push(`[${section}]`);
+    Object.entries(values).forEach(([key, value]) => {
+      lines.push(`${key} = "${value}"`);
+    });
+  });
+  
+  return lines.join("\n") + "\n";
+};
+
+// Check if codex CLI is installed
+const checkCodexInstalled = async () => {
+  try {
+    const isWindows = os.platform() === "win32";
+    const command = isWindows ? "where codex" : "which codex";
+    await execAsync(command);
+    return true;
+  } catch {
+    return false;
+  }
+};
+
+// Read current config.toml
+const readConfig = async () => {
+  try {
+    const configPath = getCodexConfigPath();
+    const content = await fs.readFile(configPath, "utf-8");
+    return content;
+  } catch (error) {
+    if (error.code === "ENOENT") return null;
+    throw error;
+  }
+};
+
+// Check if config has 9Router settings
+const has9RouterConfig = (config) => {
+  if (!config) return false;
+  return config.includes("model_provider = \"9router\"") || config.includes("[model_providers.9router]");
+};
+
+// GET - Check codex CLI and read current settings
+export async function GET() {
+  try {
+    const isInstalled = await checkCodexInstalled();
+    
+    if (!isInstalled) {
+      return NextResponse.json({
+        installed: false,
+        config: null,
+        message: "Codex CLI is not installed",
+      });
+    }
+
+    const config = await readConfig();
+
+    return NextResponse.json({
+      installed: true,
+      config,
+      has9Router: has9RouterConfig(config),
+      configPath: getCodexConfigPath(),
+    });
+  } catch (error) {
+    console.log("Error checking codex settings:", error);
+    return NextResponse.json({ error: "Failed to check codex settings" }, { status: 500 });
+  }
+}
+
+// POST - Update 9Router settings (merge with existing config)
+export async function POST(request) {
+  try {
+    const { baseUrl, apiKey, model } = await request.json();
+    
+    if (!baseUrl || !apiKey || !model) {
+      return NextResponse.json({ error: "baseUrl, apiKey and model are required" }, { status: 400 });
+    }
+
+    const codexDir = getCodexDir();
+    const configPath = getCodexConfigPath();
+
+    // Ensure directory exists
+    await fs.mkdir(codexDir, { recursive: true });
+
+    // Read and parse existing config
+    let parsed = { _root: {}, _sections: {} };
+    try {
+      const existingConfig = await fs.readFile(configPath, "utf-8");
+      parsed = parseToml(existingConfig);
+    } catch { /* No existing config */ }
+
+    // Update only 9Router related fields (api_key goes to auth.json, not config.toml)
+    parsed._root.model = model;
+    parsed._root.model_provider = "9router";
+    
+    // Update or create 9router provider section (no api_key - Codex reads from auth.json)
+    parsed._sections["model_providers.9router"] = {
+      name: "9Router",
+      base_url: `${baseUrl}/v1`,
+      wire_api: "responses",
+    };
+
+    // Write merged config
+    const configContent = toToml(parsed);
+    await fs.writeFile(configPath, configContent);
+
+    // Update auth.json with OPENAI_API_KEY (Codex reads this first)
+    const authPath = getCodexAuthPath();
+    let authData = {};
+    try {
+      const existingAuth = await fs.readFile(authPath, "utf-8");
+      authData = JSON.parse(existingAuth);
+    } catch { /* No existing auth */ }
+    
+    authData.OPENAI_API_KEY = apiKey;
+    await fs.writeFile(authPath, JSON.stringify(authData, null, 2));
+
+    return NextResponse.json({
+      success: true,
+      message: "Codex settings applied successfully!",
+      configPath,
+    });
+  } catch (error) {
+    console.log("Error updating codex settings:", error);
+    return NextResponse.json({ error: "Failed to update codex settings" }, { status: 500 });
+  }
+}
+
+// DELETE - Remove 9Router settings only (keep other settings)
+export async function DELETE() {
+  try {
+    const configPath = getCodexConfigPath();
+
+    // Read and parse existing config
+    let parsed = { _root: {}, _sections: {} };
+    try {
+      const existingConfig = await fs.readFile(configPath, "utf-8");
+      parsed = parseToml(existingConfig);
+    } catch (error) {
+      if (error.code === "ENOENT") {
+        return NextResponse.json({
+          success: true,
+          message: "No config file to reset",
+        });
+      }
+      throw error;
+    }
+
+    // Remove 9Router related root fields only if they point to 9router
+    if (parsed._root.model_provider === "9router") {
+      delete parsed._root.model;
+      delete parsed._root.model_provider;
+    }
+    
+    // Remove 9router provider section
+    delete parsed._sections["model_providers.9router"];
+
+    // Write updated config
+    const configContent = toToml(parsed);
+    await fs.writeFile(configPath, configContent);
+
+    // Remove OPENAI_API_KEY from auth.json
+    const authPath = getCodexAuthPath();
+    try {
+      const existingAuth = await fs.readFile(authPath, "utf-8");
+      const authData = JSON.parse(existingAuth);
+      delete authData.OPENAI_API_KEY;
+      
+      // Write back or delete if empty
+      if (Object.keys(authData).length === 0) {
+        await fs.unlink(authPath);
+      } else {
+        await fs.writeFile(authPath, JSON.stringify(authData, null, 2));
+      }
+    } catch { /* No auth file */ }
+
+    return NextResponse.json({
+      success: true,
+      message: "9Router settings removed successfully",
+    });
+  } catch (error) {
+    console.log("Error resetting codex settings:", error);
+    return NextResponse.json({ error: "Failed to reset codex settings" }, { status: 500 });
+  }
+}