#!/bin/sh
# One image, several roles. Called as: entrypoint <command> [args...]
#
#   api           uvicorn, behind the `web` nginx container
#   worker-sync   lease-owned account sync supervisor (SPEC §6.3)
#   worker-jobs   arq consumer (interactive + bulk queues)
#   worker-all    both in one process (small installs; halves RAM use)
#   migrate       core Alembic upgrade + per-plugin install; exits 0 when done
#   reindex       rebuild the search index from Postgres
#   plugins       `python -m app.plugins.cli ...` passthrough
#   shell         /bin/sh (debugging)
#
# Any other argument is exec'd verbatim, so `docker compose run api python -c ...`
# still works.
set -eu

: "${API_HOST:=0.0.0.0}"
: "${API_PORT:=8000}"
: "${API_WORKERS:=1}"
# Plugins whose migrations are applied on every `migrate` run. Space-separated so
# an operator can add a third-party plugin without editing the image.
: "${ENABLED_PLUGINS:=calendar contacts labels filters}"

cmd="${1:-api}"
[ "$#" -gt 0 ] && shift || true

run_migrations() {
    echo "[entrypoint] core schema: alembic upgrade head"
    alembic upgrade head
    for plugin in $ENABLED_PLUGINS; do
        echo "[entrypoint] plugin schema: $plugin"
        python -m app.plugins.cli install "$plugin"
    done
    echo "[entrypoint] migrations complete"
}

case "$cmd" in
    api)
        # --proxy-headers + --forwarded-allow-ips are what let the app see the
        # real scheme through nginx/DSM. Without them every request looks like
        # plain http and the session cookie loses its __Host- prefix and Secure
        # flag (app/identity/cookies.py:22). The allow-list is the internal
        # docker network only; this port is never published directly.
        exec uvicorn app.main:create_app \
            --factory \
            --host "$API_HOST" \
            --port "$API_PORT" \
            --workers "$API_WORKERS" \
            --proxy-headers \
            --forwarded-allow-ips "${FORWARDED_ALLOW_IPS:-*}" \
            --no-server-header \
            "$@"
        ;;
    worker-sync)  WORKER_ROLE=sync exec python -m workers.run "$@" ;;
    worker-jobs)  WORKER_ROLE=jobs exec python -m workers.run "$@" ;;
    worker-all)   WORKER_ROLE=all  exec python -m workers.run "$@" ;;
    migrate)      run_migrations ;;
    reindex)      exec python scripts/reindex_search.py "$@" ;;
    plugins)      exec python -m app.plugins.cli "$@" ;;
    shell)        exec /bin/sh "$@" ;;
    *)            exec "$cmd" "$@" ;;
esac