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

# Minimal bootstrap for Ubuntu:
# - installs OpenClaude + Ollama
# - pulls one local model
# - does not install Docker/Qdrant/RAG stack
#
# Usage:
#   ./install-minimal.sh
#   ./install-minimal.sh --model qwen2.5:3b
#   ./install-minimal.sh --skip-model-pull

MODEL="${MODEL:-qwen2.5-coder:7b}"
SKIP_MODEL_PULL=0

while [[ $# -gt 0 ]]; do
  case "$1" in
    --model)
      MODEL="$2"
      shift 2
      ;;
    --skip-model-pull)
      SKIP_MODEL_PULL=1
      shift
      ;;
    *)
      echo "Unknown argument: $1"
      exit 2
      ;;
  esac
done

need_cmd() {
  command -v "$1" >/dev/null 2>&1 || {
    echo "Missing command: $1"
    exit 1
  }
}

echo "==> Installing base packages"
sudo apt update
sudo apt install -y curl git

echo "==> Installing Ollama if needed"
if ! command -v ollama >/dev/null 2>&1; then
  curl -fsSL https://ollama.com/install.sh | sh
fi
sudo systemctl enable ollama
sudo systemctl start ollama

echo "==> Checking Ollama API"
curl -fsS "http://127.0.0.1:11434/api/tags" >/dev/null || true

echo "==> Installing OpenClaude CLI"
if ! command -v openclaude >/dev/null 2>&1; then
  need_cmd npm
  npm install -g @gitlawb/openclaude
fi

if [[ "$SKIP_MODEL_PULL" -eq 0 ]]; then
  echo "==> Pulling model: $MODEL"
  ollama pull "$MODEL"
else
  echo "==> Skipping model pull (--skip-model-pull)"
fi

cat <<EOF

Minimal bootstrap complete.

Run OpenClaude against local Ollama:
  export CLAUDE_CODE_USE_OPENAI=1
  export OPENAI_BASE_URL=http://127.0.0.1:11434/v1
  export OPENAI_MODEL=$MODEL
  openclaude

If the server is weak, try a smaller model:
  ./install-minimal.sh --model qwen2.5:3b
EOF