#!/usr/bin/env node
import { Command } from 'commander';
import { ensureDaemonRunning } from './auto-daemon.js';
import { safeStringify, VisionLClient } from '@visionl/core';

const DEFAULT_PORT = 9527;

const program = new Command();
program.name('visionl').version('0.1.0');

program.option('-p, --port <n>', 'daemon port', String(DEFAULT_PORT));
program.option('--pretty', 'human-readable output');

function getClient(): Promise<VisionLClient> {
  const opts = program.opts<{ port: string }>();
  const port = parseInt(opts.port, 10) || DEFAULT_PORT;
  return ensureDaemonRunning(port);
}

function print(result: unknown): void {
  const opts = program.opts<{ pretty: boolean }>();
  if (opts.pretty) {
    console.log(JSON.stringify(result, null, 2));
  } else {
    console.log(safeStringify(result));
  }
}

// health — check daemon health
program.command('health')
  .description('Check daemon health')
  .action(async () => {
    const client = await getClient();
    const ok = await client.health();
    print({ ok });
  });

// pages — page management
program.command('open <url>')
  .description('Open a URL in a new page')
  .option('-a, --alias <alias>', 'Page alias')
  .option('-p, --profile <profile>', 'Browser profile')
  .action(async (url: string, options: { alias?: string; profile?: string }) => {
    const client = await getClient();
    const result = await client.openPage(url, options.alias, options.profile);
    print(result);
  });

program.command('list')
  .description('List all open pages')
  .action(async () => {
    const client = await getClient();
    const result = await client.listPages();
    print(result);
  });

program.command('get <id>')
  .description('Get page info by ID or alias')
  .action(async (id: string) => {
    const client = await getClient();
    const result = await client.getPage(id);
    print(result);
  });

program.command('kill <id>')
  .description('Close a page by ID or alias')
  .action(async (id: string) => {
    const client = await getClient();
    const result = await client.killPage(id);
    print(result);
  });

// navigation — page interactions
program.command('navigate <id> <url>')
  .description('Navigate an existing page to a URL')
  .action(async (id: string, url: string) => {
    const client = await getClient();
    const result = await client.navigate(id, url);
    print(result);
  });

program.command('click <id> <selector>')
  .description('Click an element on a page')
  .action(async (id: string, selector: string) => {
    const client = await getClient();
    const result = await client.click(id, selector);
    print(result);
  });

program.command('type <id> <selector> <text>')
  .description('Type text into an element')
  .action(async (id: string, selector: string, text: string) => {
    const client = await getClient();
    const result = await client.type(id, selector, text);
    print(result);
  });

program.command('scroll <id>')
  .description('Scroll on a page')
  .option('-y, --delta-y <n>', 'Vertical scroll delta', '0')
  .option('-b, --to-bottom', 'Scroll to bottom')
  .action(async (id: string, options: { deltaY: string; toBottom?: boolean }) => {
    const client = await getClient();
    const result = await client.scroll(id, {
      deltaY: parseInt(options.deltaY, 10) || undefined,
      toBottom: options.toBottom,
    });
    print(result);
  });

program.command('eval <id> <code>')
  .description('Evaluate JavaScript on a page')
  .action(async (id: string, code: string) => {
    const client = await getClient();
    const result = await client.eval(id, code);
    print(result);
  });

program.command('wait <id>')
  .description('Wait for selector or duration on a page')
  .option('-s, --selector <selector>', 'Wait for CSS selector')
  .option('-m, --ms <ms>', 'Wait time in milliseconds')
  .action(async (id: string, options: { selector?: string; ms?: string }) => {
    const client = await getClient();
    const result = await client.wait(id, {
      selector: options.selector,
      ms: options.ms ? parseInt(options.ms, 10) : undefined,
    });
    print(result);
  });

// content — page content retrieval
program.command('screenshot <id>')
  .description('Take a screenshot of a page (returns base64)')
  .action(async (id: string) => {
    const client = await getClient();
    const result = await client.screenshot(id);
    print(result);
  });

program.command('text <id>')
  .description('Get the text content of a page')
  .action(async (id: string) => {
    const client = await getClient();
    const result = await client.text(id);
    print(result);
  });

program.command('html <id>')
  .description('Get the HTML source of a page')
  .action(async (id: string) => {
    const client = await getClient();
    const result = await client.html(id);
    print(result);
  });

// profiles
program.command('profiles')
  .description('List available fingerprint profiles')
  .action(async () => {
    const client = await getClient();
    const result = await client.getProfiles();
    print(result);
  });

program.parse();