#!/bin/bash
set -e

# Install nvm if not already present in the home volume.
if [ ! -s "$NVM_DIR/nvm.sh" ]; then
  echo "nvm not found — running installer..."
  curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/HEAD/install.sh |
    NVM_DIR="$NVM_DIR" PROFILE=/dev/null bash
  echo "nvm installed successfully."
fi
. "$NVM_DIR/nvm.sh"

# Install rbenv + ruby-build if not already present in the home volume.
if [ ! -d "$RBENV_ROOT/bin" ]; then
  echo "rbenv not found — installing..."
  git clone --depth=1 https://github.com/rbenv/rbenv.git "$RBENV_ROOT"
  git clone --depth=1 https://github.com/rbenv/ruby-build.git "$RBENV_ROOT/plugins/ruby-build"
  echo "rbenv installed successfully."
fi
eval "$(rbenv init - bash)"

# Determine the desired Ruby version: prefer .ruby-version in the workspace,
# fall back to the rbenv global setting, then a hardcoded default.
if [ -f "/code/.ruby-version" ]; then
  RUBY_VERSION=$(tr -d '[:space:]' </code/.ruby-version)
elif [ -f "$RBENV_ROOT/version" ]; then
  RUBY_VERSION=$(cat "$RBENV_ROOT/version")
else
  RUBY_VERSION="3.3.6"
fi

# Install the Ruby version if it isn't already built.
if ! rbenv versions --bare 2>/dev/null | grep -qx "$RUBY_VERSION"; then
  echo "Ruby $RUBY_VERSION not found — installing (this may take a few minutes)..."
  rbenv install "$RUBY_VERSION"
  echo "Ruby $RUBY_VERSION installed."
fi
rbenv global "$RUBY_VERSION"

# Ensure bundler is available for this Ruby version.
if ! gem list bundler -i &>/dev/null; then
  gem install bundler --no-document
fi

# Install gem dependencies for the linked workspace so rspec (and other gems)
# are available without needing an explicit `bundle install` step.
if [ -f "/code/Gemfile" ]; then
  echo "Gemfile found — running bundle install..."
  pushd /code
  # TODO: Elaborate or expand — wire secrets (e.g. a private gem registry token)
  # in from the environment instead of hardcoding. Compose's auto-loaded .env only
  # does YAML interpolation (next to the compose file), not container injection;
  # injecting needs `environment:`/`env_file:`. In the project-local model, point
  # this at the mounted project's .safeclaude/.env so secrets live with the project.
  BUNDLE_GEMS__GRAPHQL__PRO="${BUNDLE_GEMS__GRAPHQL__PRO:-}" bundle install
  popd
fi

# Install Claude Code if not already present in the home volume.
# Because the home directory is a volume, this install persists across
# container restarts and rebuilds.
if ! command -v claude &>/dev/null; then
  echo "Claude Code not found — running installer..."
  curl -fsSL https://claude.ai/install.sh | bash
  echo "Claude Code installed successfully."
else
  echo "Claude Code $(claude --version 2>/dev/null || echo '(version unknown)') ready."
fi

# Proxy host postgres to 127.0.0.1:5432 inside the container so the app can
# use the same DATABASE_URL whether running inside or outside Docker.
if ! ss -tlnp 2>/dev/null | grep -q ':5432'; then
  echo "Starting postgres proxy 127.0.0.1:5432 -> host.docker.internal:5432"
  socat TCP-LISTEN:5432,bind=127.0.0.1,fork,reuseaddr \
    TCP:host.docker.internal:5432 &
fi

exec "$@"