import { Command } from "commander";
import { writeFileSync, existsSync } from "node:fs";
import { resolve } from "node:path";

const DEFAULT_CONFIG = `# Pipeline default configuration
llm:
  baseURL: "https://api.openai.com/v1"
  model: "gpt-4o"

tts:
  provider: "openai-tts"
  openai-tts:
    model: "seed-tts-1.1"
    defaultVoice: "zh_female_vv_uranus_bigtts"
  fish-audio:
    model: "s2-pro"
  minimax:
    model: "speech-02-hd"
  elevenlabs:
    model: "eleven_multilingual_v2"

output:
  dir: "./output"
  format: "mp4"
`;

export const initCommand = new Command("init")
  .description("Create default config file")
  .option("-o, --output <path>", "Config file path", "pipeline.config.yaml")
  .action((opts) => {
    const configPath = resolve(opts.output);
    if (existsSync(configPath)) {
      console.error(`Config file already exists: ${configPath}`);
      process.exit(1);
    }

    writeFileSync(configPath, DEFAULT_CONFIG, "utf-8");
    console.log(`Created config file: ${configPath}`);
    console.log("\nNext steps:");
    console.log("  1. Edit the config file with your API keys");
    console.log("  2. Set environment variables (see .env.example)");
    console.log("  3. Run: pipeline render article.md -t news -p bilibili");
  });