#!/bin/bash
set -euo pipefail

# DSS MCP stdio launcher (client-agnostic)
#
# Use this when configuring MCP clients that don't support per-server env vars,
# or when you want a single canonical entrypoint for DSS MCP across tools.

DSS_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

# Prefer repo-local venv (recommended for DSS).
if [ -x "$DSS_ROOT/.venv/bin/python3" ]; then
  PYTHON_BIN="$DSS_ROOT/.venv/bin/python3"
elif [ -x "$DSS_ROOT/venv/bin/python3" ]; then
  PYTHON_BIN="$DSS_ROOT/venv/bin/python3"
else
  echo "[dss-mcp] No venv found at $DSS_ROOT/.venv or $DSS_ROOT/venv" >&2
  echo "[dss-mcp] Create one: python3 -m venv .venv && source .venv/bin/activate && pip install -r requirements.txt" >&2
  exit 1
fi

# Defaults (allow caller to override).
export PYTHONPATH="${PYTHONPATH:-$DSS_ROOT}"
export DSS_HOME="${DSS_HOME:-$DSS_ROOT/.dss}"
export DSS_CACHE="${DSS_CACHE:-$DSS_ROOT/.dss/cache}"
export DSS_BASE_PATH="${DSS_BASE_PATH:-$DSS_ROOT}"

# Enable dev-only MCP workflow tools (shell-script wrappers).
export DSS_ENABLE_DEV_COMMANDS="${DSS_ENABLE_DEV_COMMANDS:-1}"

exec "$PYTHON_BIN" -m dss.mcp.server