#!/usr/bin/env bash
# asandbox container entrypoint — normalize env, ensure dirs, run command
set -euo pipefail

# Ensure common agent config + install dirs exist (host mounts may be empty)
mkdir -p \
  "${HOME}/.claude" \
  "${HOME}/.codex" \
  "${HOME}/.config" \
  "${HOME}/.local/bin" \
  "${HOME}/.npm-global/bin" \
  "${HOME}/.ssh" \
  "${HOME}/.npm" \
  "${HOME}/.gemini" \
  "${HOME}/.cursor" \
  2>/dev/null || true

export PATH="${HOME}/.local/bin:${HOME}/.npm-global/bin:/usr/local/bin:${PATH}"

# npm prefix for user installs via installagent
if command -v npm >/dev/null 2>&1; then
  npm config set prefix "${HOME}/.npm-global" >/dev/null 2>&1 || true
fi

# Git identity fallback so commits work without host gitconfig mount
if [[ -n "${GIT_AUTHOR_NAME:-}" ]]; then
  git config --global user.name "${GIT_AUTHOR_NAME}" 2>/dev/null || true
fi
if [[ -n "${GIT_AUTHOR_EMAIL:-}" ]]; then
  git config --global user.email "${GIT_AUTHOR_EMAIL}" 2>/dev/null || true
fi

# Respect ASANDBOX_WORKDIR if set
if [[ -n "${ASANDBOX_WORKDIR:-}" && -d "${ASANDBOX_WORKDIR}" ]]; then
  cd "${ASANDBOX_WORKDIR}"
fi

# Interactive shell banner
_is_shell=0
if [[ $# -eq 0 || "${1:-}" == "bash" || "${1:-}" == "sh" || "${1:-}" == "bash" ]]; then
  _is_shell=1
fi

if [[ "${ASANDBOX_BANNER:-0}" == "1" ]] || { [[ -t 0 ]] && [[ $_is_shell -eq 1 ]]; }; then
  if [[ "${ASANDBOX_QUIET:-0}" != "1" ]]; then
    echo "┌──────────────────────────────────────────────────┐" >&2
    echo "│  asandbox — isolated agent environment           │" >&2
    echo "│  cwd: $(pwd)" >&2
    echo "│                                                  │" >&2
    echo "│  installagent list                               │" >&2
    echo "│  installagent <name>   # claude cursor opencode  │" >&2
    echo "│                        # antigravity gemini …    │" >&2
    echo "└──────────────────────────────────────────────────┘" >&2
  fi
fi

if [[ $# -eq 0 ]]; then
  exec bash -l
fi

# If launching bash login/interactive, keep as-is
exec "$@"