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

REPO="Burnsedia/Django-Agent"
REF="master"
CALLER_DIR="$PWD"

TARGET="--global"
declare -a PASSTHRU_FLAGS=()

usage() {
  cat <<'EOF'
Bootstrap installer for Django Agent Suite.

Defaults to global install (~/.config/opencode).
When using --project, installs into the current directory's .opencode.

Usage:
  bash install [--project|--global] [--agents|--commands|--skills|--tools|--all] [--force] [--dry-run] [--ref <ref>]

Examples:
  bash install
  bash install --project --force
  bash install --global --commands

When using curl:
  curl -fsSL https://raw.githubusercontent.com/Burnsedia/Django-Agent/master/install | bash
EOF
}

while [[ $# -gt 0 ]]; do
  case "$1" in
    --project)
      TARGET="--project"
      ;;
    --global)
      TARGET="--global"
      ;;
    --agents|--commands|--skills|--tools|--all|--force|--dry-run)
      PASSTHRU_FLAGS+=("$1")
      ;;
    --ref)
      if [[ $# -lt 2 ]]; then
        echo "Missing value for --ref" >&2
        exit 1
      fi
      REF="$2"
      shift
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    *)
      echo "Unknown option: $1" >&2
      usage
      exit 1
      ;;
  esac
  shift
done

if ! command -v curl >/dev/null 2>&1; then
  echo "curl is required for bootstrap install." >&2
  exit 1
fi

if ! command -v tar >/dev/null 2>&1; then
  echo "tar is required for bootstrap install." >&2
  exit 1
fi

TMP_DIR="$(mktemp -d)"
cleanup() {
  rm -rf "${TMP_DIR}"
}
trap cleanup EXIT

ARCHIVE_URL="https://codeload.github.com/${REPO}/tar.gz/${REF}"
echo "Downloading ${REPO}@${REF}..."
curl -fsSL "${ARCHIVE_URL}" | tar -xz -C "${TMP_DIR}" --strip-components=1

INSTALLER="${TMP_DIR}/scripts/install.sh"
if [[ ! -x "${INSTALLER}" ]]; then
  chmod +x "${INSTALLER}"
fi

echo "Running installer (${TARGET})..."
if [[ "${TARGET}" == "--project" ]]; then
  bash "${INSTALLER}" "${TARGET}" --target-base "${CALLER_DIR}/.opencode" "${PASSTHRU_FLAGS[@]}"
else
  bash "${INSTALLER}" "${TARGET}" "${PASSTHRU_FLAGS[@]}"
fi

echo "Bootstrap install complete."