install.sh

#!/usr/bin/env bash
set -euo pipefail

project_root="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
config_dir="${HOME}/.config/tubefold"
config_file="${config_dir}/config.env"
bin_dir="${HOME}/.local/bin"
link_path="${bin_dir}/tubefold"
server_link_path="${bin_dir}/tubefold-server"
project_root_quoted="$(printf "%q" "$project_root")"

missing=0
if ! command -v python3 >/dev/null 2>&1; then
  echo "[ERROR] Missing dependency: python3" >&2
  missing=1
fi

# A provider CLI is needed at runtime. Either Codex or Claude Code works; both use
# the user's own subscription (no API key). Require at least one.
have_codex=0
have_claude=0
command -v codex >/dev/null 2>&1 && have_codex=1
command -v claude >/dev/null 2>&1 && have_claude=1
if [[ "$have_codex" -eq 0 && "$have_claude" -eq 0 ]]; then
  echo "[ERROR] Missing provider CLI: install 'codex' or 'claude' (Claude Code)." >&2
  missing=1
else
  [[ "$have_codex" -eq 0 ]] && echo "[WARN] codex not found; provider=codex will be unavailable." >&2
  [[ "$have_claude" -eq 0 ]] && echo "[WARN] claude not found; provider=claude will be unavailable." >&2
fi

if ! python3 -c 'import youtube_transcript_api' >/dev/null 2>&1; then
  echo "[ERROR] Missing Python dependency: youtube-transcript-api" >&2
  echo "        Install it with: python3 -m pip install youtube-transcript-api" >&2
  missing=1
fi

if ! command -v yt-dlp >/dev/null 2>&1; then
  echo "[WARN] yt-dlp not found; metadata will fall back to the video ID." >&2
fi

if [[ "$missing" -ne 0 ]]; then
  echo "Install missing dependencies, then run install.sh again." >&2
  exit 127
fi

mkdir -p "$config_dir" "$bin_dir"

if [[ ! -e "$config_file" ]]; then
  cp "$project_root/config/config.example.env" "$config_file"
  echo "Created config: $config_file"
else
  echo "Config already exists, left unchanged: $config_file"
fi

chmod +x \
  "$project_root/bin/tubefold" \
  "$project_root/bin/tubefold-server" \
  "$project_root/providers/"*.sh \
  "$project_root/scripts/"*.sh \
  "$project_root/scripts/"*.py

install_launcher() {
  local target_path="$1"
  local script_path="$2"
  if [[ -L "$target_path" ]]; then
    rm "$target_path"
  elif [[ -e "$target_path" ]]; then
    if ! grep -q "Generated by tubefold install.sh" "$target_path" 2>/dev/null; then
      echo "[ERROR] Refusing to overwrite non-tubefold file: $target_path" >&2
      exit 1
    fi
  fi

  cat > "$target_path" <<EOF
#!/usr/bin/env bash
# Generated by tubefold install.sh
set -euo pipefail

project_root=$project_root_quoted

if [[ -x "\$project_root/.venv/bin/python" ]]; then
  export PATH="\$project_root/.venv/bin:\$PATH"
  exec "\$project_root/.venv/bin/python" "\$project_root/$script_path" "\$@"
fi

exec python3 "\$project_root/$script_path" "\$@"
EOF

  chmod +x "$target_path"
}

install_launcher "$link_path" "bin/tubefold"
install_launcher "$server_link_path" "bin/tubefold-server"

cat <<EOF
Installed tubefold:
  $link_path
  $server_link_path

Next steps:
  1. Ensure $bin_dir is in PATH.
  2. Edit $config_file if needed.
  3. Run:
     tubefold "https://youtu.be/dQw4w9WgXcQ" --verbose

Chrome Extension:
  1. Start the local API:
     tubefold-server --provider codex
  2. Install the Chrome extension from the Chrome Web Store:
     https://chromewebstore.google.com/detail/tubefold-mac-app-companio/hjfcdpioihmgoccmfkcicofjgbkjidbh
     (source: https://github.com/TubeFold/extension)
EOF