#!/bin/bash
# Deploy Magpie on the same host as Elektrine and join the shared Docker network
# so app/worker/caddy can reach http://magpie:8090.
set -euo pipefail

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

NETWORK_NAME="${MAGPIE_DOCKER_NETWORK:-elektrine-magpie-shared}"
CONTAINER_NAME="${MAGPIE_CONTAINER_NAME:-magpie}"
COMPOSE_FILES=(-f docker-compose.yml -f docker-compose.network.yml)

if docker info >/dev/null 2>&1; then
  DOCKER=(docker)
elif sudo -n docker info >/dev/null 2>&1; then
  DOCKER=(sudo -n docker)
else
  echo "No docker access (need docker group or passwordless sudo docker)" >&2
  exit 1
fi

if [[ ! -f .env.production ]]; then
  echo "Missing $ROOT_DIR/.env.production" >&2
  exit 1
fi

export MAGPIE_DOCKER_NETWORK="$NETWORK_NAME"

echo "Info: ensuring shared network $NETWORK_NAME" >&2
"${DOCKER[@]}" network inspect "$NETWORK_NAME" >/dev/null 2>&1 \
  || "${DOCKER[@]}" network create "$NETWORK_NAME" >/dev/null

echo "Info: building and starting Magpie" >&2
"${DOCKER[@]}" compose "${COMPOSE_FILES[@]}" build
"${DOCKER[@]}" compose "${COMPOSE_FILES[@]}" up -d --force-recreate --remove-orphans

# Compose should attach via docker-compose.network.yml; re-connect with alias if needed
# (force-recreate can drop a manually-connected endpoint).
attached="$("${DOCKER[@]}" inspect "$CONTAINER_NAME" --format \
  "{{if index .NetworkSettings.Networks \"$NETWORK_NAME\"}}yes{{end}}" 2>/dev/null || true)"
if [[ "$attached" != "yes" ]]; then
  echo "Info: connecting $CONTAINER_NAME to $NETWORK_NAME as alias magpie" >&2
  "${DOCKER[@]}" network connect --alias magpie "$NETWORK_NAME" "$CONTAINER_NAME"
else
  # Ensure the magpie DNS alias exists (network connect --alias is idempotent only if already set)
  echo "Info: $CONTAINER_NAME already on $NETWORK_NAME" >&2
fi

echo "Info: Magpie status" >&2
"${DOCKER[@]}" compose "${COMPOSE_FILES[@]}" ps
"${DOCKER[@]}" inspect "$CONTAINER_NAME" --format \
  'networks={{range $k,$v := .NetworkSettings.Networks}}{{$k}}({{join $v.Aliases ","}}) {{end}}'

# Quick health: S3 endpoint listens on loopback
if command -v curl >/dev/null 2>&1; then
  if curl -sf -o /dev/null --max-time 3 "http://127.0.0.1:8090/" || true; then
    echo "Info: Magpie is listening on 127.0.0.1:8090" >&2
  fi
fi

echo "DEPLOY_OK"