import React from "react";

import { render } from "ink";

import { setShellIfWindows } from "./common/shell-utils";

import { checkForNpmUpdate, promptForPendingUpdate, type PackageInfo } from "./updateCheck";

import { AppContainer } from "./ui";

const args = process.argv.slice(2);

const packageInfo = readPackageInfo();

if (args.includes("--version") || args.includes("-v")) {

process.stdout.write(`${packageInfo.version || "unknown"}\n`);

process.exit(0);

}

if (args.includes("--help") || args.includes("-h")) {

process.stdout.write(

[

"deepcode - Deep Code CLI",

"",

"Usage:",

" deepcode Launch the interactive TUI in the current directory",

" deepcode -p <prompt> Launch with a pre-filled prompt",

" deepcode --prompt <prompt> Same as -p",

" deepcode --version Print the version",

" deepcode --help Show this help",

"",

"Configuration:",

" ~/.deepcode/settings.json User-level API key, model, base URL",

" ./.deepcode/settings.json Project-level settings",

" ~/.agents/skills/*/SKILL.md User-level skills",

" ./.agents/skills/*/SKILL.md Project-level skills",

" ./.deepcode/skills/*/SKILL.md Legacy project-level skills",

"",

"Inside the TUI:",

" enter Send the prompt",

" shift+enter Insert a newline",

" home/end Move within the current line",

" alt+left/right Move by word",

" ctrl+w Delete the previous word",

" ctrl+v Paste an image from the clipboard",

" ctrl+x Clear pasted images",

" esc Interrupt the current model turn",

" / Open the skills/commands menu",

" /skills List available skills",

" /model Select model, thinking mode and effort control",

" /new Start a fresh conversation",

" /init Initialize an AGENTS.md file with instructions for LLM",

" /resume Pick a previous conversation to continue",

" /continue Continue the active conversation, or resume one if empty",

" /undo Restore code and/or conversation to a previous point",

" /mcp Show MCP server status and available tools",

" /raw Toggle display mode for viewing or collapsing reasoning content",

" /exit Quit",

" ctrl+d twice Quit",

].join("\n") + "\n"

);

process.exit(0);

}

function extractInitialPrompt(args: string[]): string | undefined {

const promptIndex = args.findIndex((arg) => arg === "-p" || arg === "--prompt");

if (promptIndex !== -1 && promptIndex + 1 < args.length) {

return args[promptIndex + 1];

}

return undefined;

}

let initialPrompt = extractInitialPrompt(args);

const projectRoot = process.cwd();

configureWindowsShell();

if (!process.stdin.isTTY) {

process.stderr.write("deepcode requires an interactive terminal (TTY). " + "Re-run from a real terminal session.\n");

process.exit(1);

}

void main();

async function main(): Promise<void> {

const updatePromptResult = await promptForPendingUpdate(packageInfo);

const restartRef: { current: (() => void) | null } = { current: null };

function startApp(): void {

let restarting = false;

const appInitialPrompt = initialPrompt;

initialPrompt = undefined;

const inkInstance = render(

<AppContainer

projectRoot={projectRoot}

version={packageInfo.version}

initialPrompt={appInitialPrompt}

onRestart={() => restartRef.current?.()}

/>,

{ exitOnCtrlC: false }

);

restartRef.current = () => {

restarting = true;

process.stdout.write("\u001B[2J\u001B[3J\u001B[H");

inkInstance.unmount();

startApp();

};

inkInstance.waitUntilExit().then(() => {

if (!restarting) {

restartRef.current = null;

process.exit(0);

}

});

}

if (!updatePromptResult.installed) {

void checkForNpmUpdate(packageInfo);

}

startApp();

}

function configureWindowsShell(): void {

process.env.NoDefaultCurrentDirectoryInExePath = "1";

try {

setShellIfWindows();

} catch (error) {

const message = error instanceof Error ? error.message : String(error);

process.stderr.write(`deepcode: ${message}\n`);

process.exit(1);

}

}

function readPackageInfo(): PackageInfo {

try {

const pkg = require("../package.json") as { name?: unknown; version?: unknown };

return {

name: typeof pkg.name === "string" ? pkg.name : "@vegamo/deepcode-cli",

version: typeof pkg.version === "string" ? pkg.version : "",

};

} catch {

return { name: "@vegamo/deepcode-cli", version: "" };

}

}