#!/usr/bin/env bash
# install.sh — integrate Collabora nodes into existing nextcloud-node-red (:1880)
#
# Default: INSTALL_MODE=integrate (no new container, no port 1881)
# Sidecar (only if you explicitly want it): INSTALL_MODE=sidecar
#
# Environment (optional — .env in repo root is loaded automatically):
#   NODERED_DIR          Path to existing nextcloud-node-red (auto-detected if empty)
#   NODERED_CONTAINER    Docker name, default nextcloud-node-red
#   NODERED_PORT         default 1880
#   CODE_CONTAINER       Collabora CODE container name, default code
#   COLLABORA_IP         CODE bridge IP (auto-detected if empty)
#   NEXTCLOUD_URL        e.g. https://cloud.example.com (shown in install summary)
#   INSTALL_USER         file owner for chown, default ncdeploy
#   FORCE_REBUILD=1      docker compose build --no-cache
#
set -euo pipefail

VERSION="1.0.0"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
INSTALL_DIR="${INSTALL_DIR:-$SCRIPT_DIR}"
INSTALL_MODE="${INSTALL_MODE:-integrate}"

# Load .env if present (no secrets required here)
if [ -f "${INSTALL_DIR}/.env" ]; then
    set -a
    # shellcheck disable=SC1091
    . "${INSTALL_DIR}/.env"
    set +a
fi

NODERED_DIR="${NODERED_DIR:-/home/ncdeploy/nextcloud-node-red}"
[ -n "${NODERED_DIR}" ] || NODERED_DIR="/home/ncdeploy/nextcloud-node-red"
NODERED_CONTAINER="${NODERED_CONTAINER:-nextcloud-node-red}"
NODERED_PORT="${NODERED_PORT:-1880}"
CODE_CONTAINER="${CODE_CONTAINER:-code}"
COLLABORA_IP="${COLLABORA_IP:-}"
# Aldrig http://127.0.0.1:9980 eller http://host.docker.internal:9980
case "${COLLABORA_URL:-https://code:9980}" in
    http://127.0.0.1:*|http://localhost:*|http://host.docker.internal:*|\
    https://127.0.0.1:*|https://localhost:*|https://host.docker.internal:*|"")
        COLLABORA_URL="https://code:9980" ;;
    *) COLLABORA_URL="${COLLABORA_URL}" ;;
esac
NEXTCLOUD_URL="${NEXTCLOUD_URL:-https://cloud.domain.name}"
[ -n "${NEXTCLOUD_URL}" ] || NEXTCLOUD_URL="https://cloud.domain.name"

log() { printf '[install] %s\n' "$*"; }
die() { printf '[install] ERROR: %s\n' "$*" >&2; exit 1; }

log "nextcloud-collabora-nodered v${VERSION} (mode: ${INSTALL_MODE})"

if [ "${INSTALL_MODE}" = "sidecar" ]; then
    log "Sidecar mode — note: default is integrate (existing :1880)"
    require_cmd() { command -v "$1" >/dev/null 2>&1 || die "Missing: $1"; }
    require_cmd docker
    COMPOSE="docker compose"
    docker compose version >/dev/null 2>&1 || COMPOSE="docker-compose"
    cd "${INSTALL_DIR}"
    [ -f docker-compose.yml ] || die "docker-compose.yml not found"
    [ -f .env ] || cp .env.example .env
    if ! docker ps --format '{{.Names}}' | grep -qx "${CODE_CONTAINER}"; then
        die "CODE container '${CODE_CONTAINER}' is not running"
    fi
    ${COMPOSE} build
    ${COMPOSE} up -d
    log "Sidecar started on :1881 (not recommended if :1880 already runs)"
    exit 0
fi

# === integrate (default) ===
chmod +x "${SCRIPT_DIR}/scripts/integrate-into-nodered.sh"
PKG_SRC="${INSTALL_DIR}" \
    NODERED_DIR="${NODERED_DIR}" \
    NODERED_CONTAINER="${NODERED_CONTAINER}" \
    NODERED_PORT="${NODERED_PORT}" \
    CODE_CONTAINER="${CODE_CONTAINER}" \
    COLLABORA_IP="${COLLABORA_IP}" \
    COLLABORA_URL="${COLLABORA_URL}" \
    NEXTCLOUD_URL="${NEXTCLOUD_URL}" \
    INSTALL_USER="${INSTALL_USER:-}" \
    bash "${SCRIPT_DIR}/scripts/integrate-into-nodered.sh"

log "Done."