#!/usr/bin/env bash

workspace="$HOME/ai_workspace"
app="opencode"
env=""
rebuild=false

while [[ $# -gt 0 ]]; do
  case "$1" in
    -p|--path)
      workspace="$(readlink -f "$2")"
      shift 2
      ;;
    -a|--app)
      app="$2"
      shift 2
      ;;
    -e|--env)
      env="$2"
      shift 2
      ;;
    --rebuild)
      rebuild=true
      shift
      ;;
    *)
      echo "Usage: $0 [-p /path/to/workspace] [-a claude|opencode] [-e rust] [--rebuild]" >&2
      exit 1
      ;;
  esac
done

case "$app" in
  claude)
    image_name="claude-code-local"
    npm_pkg="@anthropic-ai/claude-code"
    cmd="claude"
    extra_volumes=(
      -v "$HOME/.claude:/root/.claude"
      -v "$HOME/.claude.json:/root/.claude.json"
    )
    ;;
  opencode)
    image_name="opencode-local"
    npm_pkg="opencode-ai"
    cmd="opencode"
    extra_volumes=(
      -v "$HOME/.config/opencode:/root/.config/opencode"
      -v "$HOME/.local/share/opencode:/root/.local/share/opencode"
      -v "$HOME/.local/state/opencode:/root/.local/state/opencode"
      -v "$HOME/.claude:/root/.claude" # allow access to claude config for hacked auth
    )
    ;;
  *)
    echo "Unknown app '$app'. Choose 'claude' or 'opencode'." >&2
    exit 1
    ;;
esac

env_suffix=""
env_layer=""

case "$env" in
  "")
    ;;
  rust)
    env_suffix="-rust"
    env_layer='RUN curl --proto '"'"'=https'"'"' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"'
    ;;
  *)
    echo "Unknown env '$env'. Supported: rust" >&2
    exit 1
    ;;
esac

image_name="${image_name}${env_suffix}"

if $rebuild || ! docker image inspect "$image_name" &>/dev/null; then
  echo "Building $image_name..."
  dockerfile="FROM node:24-bullseye
${env_layer}
RUN npm install -g $npm_pkg
WORKDIR /workspace
CMD [\"$cmd\"]"
  docker build --pull -t "$image_name" - <<< "$dockerfile"
fi

clear

docker run -it --rm \
  --name "${image_name}-container" \
  -v "$workspace:/workspace" \
  "${extra_volumes[@]}" \
  -w /workspace \
  "$image_name"