#!/bin/sh
# Convert env vars to discourse-mcp CLI arguments, then exec the server.
#
# Env vars:
#   DISCOURSE_URL          - base URL of the Discourse site
#   DISCOURSE_API_KEY      - API key
#   DISCOURSE_API_USERNAME - username for the API key
#
# When DISCOURSE_URL is set, the server is tethered to that site with auth
# pre-configured. Otherwise, the client must call discourse_select_site.

set -e

ARGS=""

if [ -n "${DISCOURSE_URL}" ]; then
    ARGS="${ARGS} --site ${DISCOURSE_URL}"

    if [ -n "${DISCOURSE_API_KEY}" ]; then
        AUTH_PAIR="{\"site\":\"${DISCOURSE_URL}\""
        AUTH_PAIR="${AUTH_PAIR},\"api_key\":\"${DISCOURSE_API_KEY}\""
        if [ -n "${DISCOURSE_API_USERNAME}" ]; then
            AUTH_PAIR="${AUTH_PAIR},\"api_username\":\"${DISCOURSE_API_USERNAME}\""
        fi
        AUTH_PAIR="${AUTH_PAIR}}"
        ARGS="${ARGS} --auth-pairs '[${AUTH_PAIR}]'"
    fi
fi

ARGS="${ARGS} --allow-writes --read-only false"

exec eval node dist/index.js ${ARGS} "$@"