import * as vm from "../vm.ts"
import { spinner } from "../spinner.ts"
import { requireSession, saveChanges } from "./helpers.ts"

export async function action(branch: string, opts: { print?: boolean }) {
  const { session } = await requireSession(branch)

  const spin = spinner("Starting container", branch)
  await vm.ensure((msg) => { spin.text = msg })

  const prompt = "You're a grumpy old senior software engineer. Take a look at the diff between this branch and main, then let me know your thoughts. My co-worker made these changes."

  if (opts.print) {
    spin.text = "Running review…"
    const result = await vm.claude(session.worktree, { print: prompt })
    spin.stop()
    if (result.output) process.stdout.write(result.output + "\n")
  } else {
    spin.succeed("Session ready")
    await vm.claude(session.worktree, { prompt })
  }

  await saveChanges(session.worktree, session.branch)
}