Files
clawdbot/apps/macos/Sources/Clawdis/WebChatWindow.swift
2025-12-06 23:16:23 +01:00

366 lines
16 KiB
Swift

import AppKit
import Foundation
import OSLog
import WebKit
private let webChatLogger = Logger(subsystem: "com.steipete.clawdis", category: "WebChat")
final class WebChatWindowController: NSWindowController, WKScriptMessageHandler, WKNavigationDelegate {
private let webView: WKWebView
private let sessionKey: String
private let initialMessagesJSON: String
init(sessionKey: String) {
self.sessionKey = sessionKey
self.initialMessagesJSON = WebChatWindowController.loadInitialMessagesJSON(for: sessionKey)
let config = WKWebViewConfiguration()
let contentController = WKUserContentController()
config.userContentController = contentController
config.preferences.isElementFullscreenEnabled = true
config.preferences.setValue(true, forKey: "developerExtrasEnabled")
// Inject callback receiver stub
let callbackScript = """
window.__clawdisCallbacks = new Map();
window.__clawdisReceive = function(resp) {
const entry = window.__clawdisCallbacks.get(resp.id);
if (!entry) return;
window.__clawdisCallbacks.delete(resp.id);
if (resp.ok) {
entry.resolve(resp.result);
} else {
entry.reject(resp.error || 'unknown error');
}
};
window.__clawdisSend = function(payload) {
const id = crypto.randomUUID();
return new Promise((resolve, reject) => {
window.__clawdisCallbacks.set(id, { resolve, reject });
window.webkit?.messageHandlers?.clawdis?.postMessage({ id, ...payload });
});
};
window.__clawdisLog = function(msg) {
try {
window.webkit?.messageHandlers?.clawdis?.postMessage({ id: 'log', log: String(msg) });
} catch (_) {}
};
const __origConsoleLog = console.log;
console.log = function(...args) {
try { window.__clawdisLog(args.join(' ')); } catch (_) {}
__origConsoleLog.apply(console, args);
};
"""
let userScript = WKUserScript(source: callbackScript, injectionTime: .atDocumentStart, forMainFrameOnly: true)
contentController.addUserScript(userScript)
self.webView = WKWebView(frame: .zero, configuration: config)
let window = NSWindow(
contentRect: NSRect(x: 0, y: 0, width: 960, height: 720),
styleMask: [.titled, .closable, .resizable, .miniaturizable],
backing: .buffered,
defer: false)
window.title = "Clawd Web Chat"
window.contentView = self.webView
super.init(window: window)
self.webView.navigationDelegate = self
contentController.add(self, name: "clawdis")
self.loadPage()
}
@available(*, unavailable)
required init?(coder: NSCoder) { fatalError() }
private func loadPage() {
let messagesJSON = self.initialMessagesJSON.replacingOccurrences(of: "</script>", with: "<\\/script>")
guard let webChatURL = Bundle.main.url(forResource: "WebChat", withExtension: nil) else {
NSLog("WebChat resources missing")
return
}
let distPath = webChatURL.path(percentEncoded: false)
let cssPath = webChatURL.appendingPathComponent("app.css").path(percentEncoded: false)
let vendor = webChatURL.appendingPathComponent("vendor")
let piAi = vendor.appendingPathComponent("pi-ai/index.js").path(percentEncoded: false)
let miniLit = vendor.appendingPathComponent("mini-lit/index.js").path(percentEncoded: false)
let lit = vendor.appendingPathComponent("lit/index.js").path(percentEncoded: false)
let lucide = vendor.appendingPathComponent("lucide/lucide.js").path(percentEncoded: false)
let pdfjs = vendor.appendingPathComponent("pdfjs-dist/build/pdf.js").path(percentEncoded: false)
let pdfWorker = vendor.appendingPathComponent("pdfjs-dist/build/pdf.worker.min.mjs").path(percentEncoded: false)
let importMap = [
"imports": [
"@mariozechner/pi-web-ui": "file://\(distPath)/index.js",
"@mariozechner/pi-web-ui/": "file://\(distPath)/",
"@mariozechner/pi-ai": "file://\(piAi)",
"@mariozechner/pi-ai/": "file://\(vendor.appendingPathComponent("pi-ai/").path(percentEncoded: false))",
"@mariozechner/mini-lit": "file://\(miniLit)",
"@mariozechner/mini-lit/": "file://\(vendor.appendingPathComponent("mini-lit/").path(percentEncoded: false))",
"lit": "file://\(lit)",
"lit/": "file://\(vendor.appendingPathComponent("lit/").path(percentEncoded: false))",
"lucide": "file://\(lucide)",
"pdfjs-dist": "file://\(pdfjs)",
"pdfjs-dist/": "file://\(vendor.appendingPathComponent("pdfjs-dist/").path(percentEncoded: false))",
"pdfjs-dist/build/pdf.worker.min.mjs": "file://\(pdfWorker)",
],
]
let importMapJSON: String = if let data = try? JSONSerialization.data(
withJSONObject: importMap,
options: [.prettyPrinted]),
let json = String(data: data, encoding: .utf8)
{
json
} else {
"{}"
}
let html = """
<!doctype html>
<html>
<head>
<meta charset='utf-8'>
<title>Clawd Web Chat</title>
<link rel='stylesheet' href='file://\(cssPath)'>
<script type="importmap">
\(importMapJSON)
</script>
<style>html,body{height:100%;margin:0;padding:0;}#app{height:100%;}</style>
</head>
<body>
<div id="app"></div>
<script type="module">
const initialMessages = \(messagesJSON);
const status = (msg) => {
console.log(msg);
window.__clawdisLog(msg);
const el = document.getElementById('app');
if (el && !el.dataset.booted) {
el.textContent = msg;
}
};
status('boot: starting imports');
(async () => {
try {
const { Agent, ChatPanel, AppStorage, setAppStorage } = await import('@mariozechner/pi-web-ui');
status('boot: pi-web-ui imported');
const { getModel } = await import('@mariozechner/pi-ai');
status('boot: pi-ai imported');
class NativeTransport {
async *run(messages, userMessage, cfg, signal) {
const result = await window.__clawdisSend({ type: 'chat', payload: { text: userMessage.content?.[0]?.text ?? '', sessionKey: '\(
sessionKey)' } });
const usage = { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 } };
const assistant = {
role: 'assistant',
content: [{ type: 'text', text: result.text ?? '' }],
api: cfg.model.api,
provider: cfg.model.provider,
model: cfg.model.id,
usage,
stopReason: 'stop',
timestamp: Date.now()
};
yield { type: 'turn_start' };
yield { type: 'message_start', message: assistant };
yield { type: 'message_end', message: assistant };
yield { type: 'turn_end' };
yield { type: 'agent_end' };
}
}
// Minimal storage
const storage = new AppStorage();
setAppStorage(storage);
const agent = new Agent({
initialState: {
systemPrompt: 'You are Clawd (primary session).',
model: getModel('anthropic', 'claude-opus-4-5'),
thinkingLevel: 'off',
messages: initialMessages
},
transport: new NativeTransport()
});
// Patch prompt to append user message into history first
const origPrompt = agent.prompt.bind(agent);
agent.prompt = async (input, attachments) => {
const userMessage = {
role: 'user',
content: [{ type: 'text', text: input }],
attachments: attachments?.length ? attachments : undefined,
timestamp: Date.now()
};
agent.appendMessage(userMessage);
return origPrompt(input, attachments);
};
const panel = new ChatPanel();
panel.style.height = '100%';
panel.style.display = 'block';
await panel.setAgent(agent);
const mount = document.getElementById('app');
mount.dataset.booted = '1';
mount.textContent = '';
mount.appendChild(panel);
status('boot: ready');
} catch (err) {
const msg = err?.stack || err?.message || String(err);
window.__clawdisLog(msg);
document.body.style.color = '#e06666';
document.body.style.fontFamily = 'monospace';
document.body.style.padding = '16px';
document.body.innerText = 'Web chat failed to load:\\n' + msg;
}
})();
</script>
</body>
</html>
"""
self.webView.loadHTMLString(html, baseURL: webChatURL)
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
webView.evaluateJavaScript("document.body.innerText") { result, error in
if let error {
webChatLogger.error("eval error: \(error.localizedDescription, privacy: .public)")
} else if let text = result as? String {
webChatLogger.debug("body text snapshot: \(String(text.prefix(200)), privacy: .public)")
}
}
}
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
guard let body = message.body as? [String: Any],
let id = body["id"] as? String,
let type = body["type"] as? String
else { return }
if id == "log", let log = body["log"] as? String {
webChatLogger.debug("JS: \(log, privacy: .public)")
return
}
guard type == "chat",
let payload = body["payload"] as? [String: Any],
let text = payload["text"] as? String
else { return }
Task { @MainActor in
let reply = await runAgent(text: text, sessionKey: sessionKey)
let json: [String: Any] = [
"id": id,
"ok": reply.error == nil,
"result": ["text": reply.text ?? ""],
"error": reply.error ?? NSNull(),
]
if let data = try? JSONSerialization.data(withJSONObject: json),
let js = String(data: data, encoding: .utf8)
{
_ = try? await self.webView.evaluateJavaScript("window.__clawdisReceive(" + js + ")")
}
}
}
private func runAgent(text: String, sessionKey: String) async -> (text: String?, error: String?) {
await MainActor.run { AppStateStore.shared.setWorking(true) }
defer { Task { await MainActor.run { AppStateStore.shared.setWorking(false) } } }
let data: Data
do {
data = try await Task.detached(priority: .utility) { () -> Data in
let process = Process()
process.executableURL = URL(fileURLWithPath: "/usr/bin/env")
process.arguments = ["pnpm", "clawdis", "agent", "--to", sessionKey, "--message", text, "--json"]
process.currentDirectoryURL = URL(fileURLWithPath: "/Users/steipete/Projects/clawdis")
let pipe = Pipe()
process.standardOutput = pipe
process.standardError = Pipe()
try process.run()
process.waitUntilExit()
let out = pipe.fileHandleForReading.readDataToEndOfFile()
guard process.terminationStatus == 0 else {
throw NSError(
domain: "ClawdisAgent",
code: Int(process.terminationStatus),
userInfo: [NSLocalizedDescriptionKey: String(data: out, encoding: .utf8) ?? "unknown error"])
}
return out
}.value
} catch {
return (nil, error.localizedDescription)
}
if let obj = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
let payloads = obj["payloads"] as? [[String: Any]],
let first = payloads.first,
let text = first["text"] as? String
{
return (text, nil)
}
return (String(data: data, encoding: .utf8), nil)
}
private static func loadInitialMessagesJSON(for sessionKey: String) -> String {
guard let sessionId = self.sessionId(for: sessionKey) else { return "[]" }
let path = self.expand("~/.clawdis/sessions/\(sessionId).jsonl")
guard FileManager.default.fileExists(atPath: path) else { return "[]" }
guard let content = try? String(contentsOfFile: path, encoding: .utf8) else { return "[]" }
var messages: [[String: Any]] = []
for line in content.split(whereSeparator: { $0.isNewline }) {
guard let data = String(line).data(using: .utf8),
let obj = try? JSONSerialization.jsonObject(with: data) as? [String: Any]
else { continue }
let message = (obj["message"] as? [String: Any]) ?? obj
guard let role = message["role"] as? String,
["user", "assistant", "system"].contains(role)
else { continue }
var contentPayload = message["content"] as? [[String: Any]]
if contentPayload == nil, let text = message["text"] as? String {
contentPayload = [["type": "text", "text": text]]
}
guard let finalContent = contentPayload else { continue }
messages.append(["role": role, "content": finalContent])
}
guard let data = try? JSONSerialization.data(withJSONObject: messages, options: []) else {
return "[]"
}
return String(data: data, encoding: .utf8) ?? "[]"
}
private static func sessionId(for key: String) -> String? {
let storePath = self.expand("~/.clawdis/sessions/sessions.json")
guard let data = try? Data(contentsOf: URL(fileURLWithPath: storePath)) else { return nil }
guard let decoded = try? JSONSerialization.jsonObject(with: data) as? [String: Any] else { return nil }
guard let entry = decoded[key] as? [String: Any] else { return nil }
return entry["sessionId"] as? String
}
private static func expand(_ path: String) -> String {
(path as NSString).expandingTildeInPath
}
}
@MainActor
final class WebChatManager {
static let shared = WebChatManager()
private var window: WebChatWindowController?
func show(sessionKey: String) {
if self.window == nil {
self.window = WebChatWindowController(sessionKey: sessionKey)
}
self.window?.showWindow(nil)
self.window?.window?.makeKeyAndOrderFront(nil)
NSApp.activate(ignoringOtherApps: true)
}
}