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

echo "🔧 Ollama macOS bootstrap — starting"

# Load environment (MODEL_ROOT, OLLAMA_MODELS)
# Temporarily disable "nounset" when sourcing user shell files to avoid
# failures from system /etc/bashrc referencing undefined vars like PS1.
if [ -f "$HOME/.bashrc" ]; then
  set +u
  # shellcheck disable=SC1091
  source "$HOME/.bashrc" || true
  set -u
fi

: "${OLLAMA_MODELS:=$HOME/models/ollama}"
mkdir -p "$OLLAMA_MODELS"

if command -v ollama >/dev/null 2>&1; then
  echo "✅ ollama already installed: $(ollama version 2>/dev/null || echo 'unknown')"
else
  if command -v brew >/dev/null 2>&1; then
    echo "🍺 Installing ollama via Homebrew..."
    brew update || true
    brew install ollama || {
      echo "⚠️  Homebrew install failed. See https://ollama.com/docs/install"
      exit 1
    }
    echo "✅ ollama installed"
  else
    echo "⚠️  Homebrew not found. Install Homebrew first: https://brew.sh"
    echo "Then re-run this script: $0"
    exit 2
  fi
fi

echo "📁 Ensuring model directory exists: $OLLAMA_MODELS"
mkdir -p "$OLLAMA_MODELS"

echo "✅ macOS Ollama bootstrap complete."
echo "Next steps: run scripts/ollama_tmux.sh to start the server in tmux, and place models under $OLLAMA_MODELS"