#!/usr/bin/env node
/**
 * Generates `src/cli/src/config/opencode-extension.ts`, embedding the opencode
 * TUI plugin source as a string constant so `mcpctl config opencode` keeps
 * working from an installed binary with no source tree.
 *
 * Regenerate after editing the plugin source:
 *   npx tsx scripts/generate-opencode-extension.ts
 */
import { readFileSync, writeFileSync, mkdirSync } from 'node:fs';
import { dirname, join } from 'node:path';

const scriptsDir = import.meta.dirname;
const root = join(scriptsDir, '..');
const src = readFileSync(join(root, 'src', 'opencode-ext', 'mcpctl-opencode.tsx'), 'utf-8');

function embed(s: string) {
  // JSON.stringify yields a quoted string literal we can inline directly.
  return JSON.stringify(s);
}

const out = `/**
 * Embedded source of the mcpctl opencode plugin — DO NOT EDIT BY HAND.
 * Generated by \`npx tsx scripts/generate-opencode-extension.ts\` from
 * \`src/opencode-ext/mcpctl-opencode.tsx\`.
 *
 * \`mcpctl config opencode\` writes it verbatim into the opencode plugin dir and
 * registers it in opencode.json, so an installed binary with no source tree can
 * still provision a working opencode integration.
 */
export const OPENCODE_PLUGIN_FILENAME = 'mcpctl-switch.tsx' as const;

export const OPENCODE_PLUGIN = ${embed(src)};
`;

mkdirSync(dirname(join(root, 'src', 'cli', 'src', 'config')), { recursive: true });
writeFileSync(join(root, 'src', 'cli', 'src', 'config', 'opencode-extension.ts'), out);
console.log('wrote src/cli/src/config/opencode-extension.ts');