#!/bin/bash
set -euo pipefail
source ./_common.sh

# YunoHost install args
# packaging v2 passes these variables to scripts.
domain=${YNH_APP_ARG_DOMAIN:?Missing domain}
path=$(normalize_path "${YNH_APP_ARG_PATH:-/}")
admin_user=${YNH_APP_ARG_ADMIN_USER:-${YNH_APP_ARG_ADMIN:-admin}}
admin_password=${YNH_APP_ARG_ADMIN_PASSWORD:-${YNH_APP_ARG_PASSWORD:-}}
if [ -z "$admin_password" ]; then
    echo "Admin password is required" >&2
    exit 1
fi
port=$(find_free_port)

# Create dedicated app user when resources.system_user did not already do it.
if ! id "$app" >/dev/null 2>&1; then
    useradd --system --home "$install_dir" --shell /usr/sbin/nologin "$app"
fi

mkdir -p "$install_dir" "$data_dir/data" "$data_dir/media/originals" "$data_dir/media/thumbs" "$data_dir/media/previews" "$data_dir/media/pending" "$data_dir/logs" "$config_dir"
cp -a "$YNH_APP_BASEDIR/backend" "$YNH_APP_BASEDIR/web" "$YNH_APP_BASEDIR/doc" "$install_dir"/

cp "$YNH_APP_BASEDIR/conf/config.json" "$config_dir/config.json"
sed -i \
    -e "s#__PORT__#$port#g" \
    -e "s#__PATH__#$path#g" \
    -e "s#__DATA_DIR__#$data_dir#g" \
    -e "s#__INSTALL_DIR__#$install_dir#g" \
    -e "s#__ADMIN_USER__#$admin_user#g" \
    -e "s#__ADMIN_PASSWORD__#$admin_password#g" \
    "$config_dir/config.json"

cp "$YNH_APP_BASEDIR/conf/albumik.service" "$service_file"
sed -i \
    -e "s#__APP__#$app#g" \
    -e "s#__DATA_DIR__#$data_dir#g" \
    -e "s#__INSTALL_DIR__#$install_dir#g" \
    "$service_file"

mkdir -p "/etc/nginx/conf.d/$domain.d"
cp "$YNH_APP_BASEDIR/conf/nginx.conf" "/etc/nginx/conf.d/$domain.d/$app.conf"
sed -i \
    -e "s#__PORT__#$port#g" \
    -e "s#__PATH__#$path#g" \
    "/etc/nginx/conf.d/$domain.d/$app.conf"

chown -R "$app:$app" "$install_dir" "$data_dir" "$config_dir"
chmod 750 "$data_dir" "$config_dir"
chmod 640 "$config_dir/config.json"

# Save a few settings for remove/backup scripts if yunohost helpers are available.
if command -v yunohost >/dev/null 2>&1; then
    yunohost app setting "$app" domain -v "$domain" || true
    yunohost app setting "$app" path -v "$path" || true
    yunohost app setting "$app" port -v "$port" || true
fi

systemctl daemon-reload
systemctl enable --now "$app"
nginx -t
systemctl reload nginx

echo "Albumik installed: https://$domain$path"