#!/bin/sh -e

os=$(cat "$__global/explorer/os")

case "$os" in
    debian|ubuntu)
        # Install netbox dependencies.
        for pkg in python3-pip python3-venv python3-dev build-essential libxml2-dev \
                   libxslt1-dev libffi-dev libpq-dev libssl-dev zlib1g-dev curl sudo; do
            __package $pkg
        done

        if [ -f "$__object/parameter/ldap-server" ]; then
            for pkg in libldap2-dev libsasl2-dev libssl-dev; do
                __package $pkg
            done
        fi
        ;;
    *)
        printf "Your operating system (%s) is currently not supported by this type (%s)\n" "$os" "${__type##*/}" >&2
        printf "Please contribute an implementation for it if you can.\n" >&2
        exit 1
        ;;
esac


DATABASE_NAME=$(cat "$__object/parameter/database")
export DATABASE_NAME
DATABASE_USER="$(cat "$__object/parameter/database-user")"
export DATABASE_USER
DATABASE_PASSWORD=$(cat "$__object/parameter/database-password")
export DATABASE_PASSWORD
DATABASE_HOST="$(cat "$__object/parameter/database-host")"
export DATABASE_HOST
DATABASE_PORT="$(cat "$__object/parameter/database-port")"
export DATABASE_PORT

# list of hosts
ALLOWED_HOSTS=""
while read -r hostname; do
    # shellcheck disable=SC2089
    ALLOWED_HOSTS="$ALLOWED_HOSTS '$hostname',"
done < "$__object/parameter/host"
# shellcheck disable=SC2090
export ALLOWED_HOSTS

if [ -f "$__object/parameter/secret-key" ]; then
    SECRET_KEY=$(cat "$__object/parameter/secret-key")
elif [ -s "$__object/explorer/secretkey" ]; then
    # take the key that is already used
    SECRET_KEY="$(cat "$__object/explorer/secretkey")"
else
    # Can be done over netbox/generate_secret_key.py too, but it can't be
    # generated right now where it's required (only if it's preloaded for
    # this type to execute it now).
    # Generates a 50-character long key with the same character set like
    # the helper script. Must escape the '-' to be no character range.
    SECRET_KEY="$(tr -cd '!@#$%^&*(\-_=+)[:alnum:]' < /dev/urandom | head -c50)"
fi
export SECRET_KEY

if [ -f "$__object/parameter/ldap-server" ]; then
    LDAP_SERVER=$(cat "$__object/parameter/ldap-server")
    USE_LDAP=yes
    export LDAP_SERVER
fi
if [ -f "$__object/parameter/ldap-bind-dn" ]; then
    LDAP_BIND_DN=$(cat "$__object/parameter/ldap-bind-dn")
    USE_LDAP=yes
    export LDAP_BIND_DN
fi
if [ -f "$__object/parameter/ldap-bind-password" ]; then
    LDAP_BIND_PASSWORD=$(cat "$__object/parameter/ldap-bind-password")
    USE_LDAP=yes
    export LDAP_BIND_PASSWORD
fi
if [ -f "$__object/parameter/ldap-user-base" ]; then
    LDAP_USER_BASE=$(cat "$__object/parameter/ldap-user-base")
    USE_LDAP=yes
    export LDAP_USER_BASE
fi
if [ -f "$__object/parameter/ldap-group-base" ]; then
    LDAP_GROUP_BASE=$(cat "$__object/parameter/ldap-group-base")
    export LDAP_GROUP_BASE
fi
if [ -f "$__object/parameter/ldap-require-group" ]; then
    LDAP_REQUIRE_GROUP=$(cat "$__object/parameter/ldap-require-group")
    export LDAP_REQUIRE_GROUP
fi
if [ -f "$__object/parameter/ldap-superuser-group" ]; then
    LDAP_SUPERUSER_GROUP=$(cat "$__object/parameter/ldap-superuser-group")
    export LDAP_SUPERUSER_GROUP
fi
if [ -f "$__object/parameter/ldap-staff-group" ]; then
    LDAP_STAFF_GROUP="$(cat "$__object/parameter/ldap-staff-group")"
    export LDAP_STAFF_GROUP
fi
# export if base ldap parameters are used
export USE_LDAP

# have default values
REDIS_HOST="$(cat "$__object/parameter/redis-host")"
export REDIS_HOST
REDIS_PORT="$(cat "$__object/parameter/redis-port")"
export REDIS_PORT
REDIS_PASSWORD="$(cat "$__object/parameter/redis-password")"
export REDIS_PASSWORD
REDIS_DBID_OFFSET="$(cat "$__object/parameter/redis-dbid-offset")"
export REDIS_DBID_OFFSET
if [ -f "$__object/parameter/redis-ssl" ]; then
    REDIS_SSL="True"
else
    REDIS_SSL="False"
fi
export REDIS_SSL

SMTP_HOST="$(cat "$__object/parameter/smtp-host")"
export SMTP_HOST
SMTP_PORT="$(cat "$__object/parameter/smtp-port")"
export SMTP_PORT
SMTP_USER="$(cat "$__object/parameter/smtp-user")"
export SMTP_USER
SMTP_PASSWORD="$(cat "$__object/parameter/smtp-password")"
export SMTP_PASSWORD
SMTP_FROM_EMAIL="$(cat "$__object/parameter/smtp-from-email")"
export SMTP_FROM_EMAIL

if [ -f "$__object/parameter/smtp-use-ssl" ]; then
    SMTP_USE_SSL="True"
else
    SMTP_USE_SSL="False"
fi
export SMTP_USE_SSL
if [ -f "$__object/parameter/smtp-use-tls" ]; then
    if [ "$SMTP_USE_SSL" = "True" ]; then
        echo "options --smtp-use-ssl and --smtp-use-tls are not compatible" >&2
        exit 2
    fi
    SMTP_USE_TLS="True"
else
    SMTP_USE_TLS="False"
fi
export SMTP_USE_TLS

BASEPATH="$(cat "$__object/parameter/basepath")"
export BASEPATH

if [ -f "$__object/parameter/http-proxy" ]; then
    HTTP_PROXY=$(cat "$__object/parameter/http-proxy")
    export HTTP_PROXY
fi
if [ -f "$__object/parameter/https-proxy" ]; then
    HTTPS_PROXY=$(cat "$__object/parameter/https-proxy")
    export HTTPS_PROXY
fi

if [ -f "$__object/parameter/login-required" ]; then
    LOGIN_REQUIRED="True"
else
    LOGIN_REQUIRED="False"
fi
export LOGIN_REQUIRED

data_root="$(cat "$__object/parameter/data-root")"
MEDIA_ROOT="$data_root/media"
REPORTS_ROOT="$data_root/reports"
SCRIPTS_ROOT="$data_root/scripts"

if [ -f "$__object/parameter/media-root" ]; then
    MEDIA_ROOT="$(cat "$__object/parameter/media-root")"
fi
export MEDIA_ROOT
if [ -f "$__object/parameter/reports-root" ]; then
    REPORTS_ROOT="$(cat "$__object/parameter/reports-root")"
fi
export REPORTS_ROOT
if [ -f "$__object/parameter/scripts-root" ]; then
    SCRIPTS_ROOT="$(cat "$__object/parameter/scripts-root")"
fi
export SCRIPTS_ROOT

if [ -f "$__object/parameter/update-notify" ]; then
    UPDATE_CHECK="yes"
    export UPDATE_CHECK
fi


# Create system user used to run netbox.
__user netbox --system --home /opt/netbox --create-home
# Generate python environment (user will be set by gencode-remote)
require="__user/netbox" __pyvenv /opt/netbox/venv/

# Generate and upload netbox configuration.
mkdir -p "$__object/files"
"$__type/files/configuration.py.sh" > "$__object/files/configuration.py"
"$__type/files/ldap_config.py.sh" > "$__object/files/ldap_config.py"

require="__user/netbox" __directory /opt/netbox/cdist
require="__directory/opt/netbox/cdist" __file \
    /opt/netbox/cdist/configuration.py --mode 640 --owner netbox \
    --source "$__object/files/configuration.py"

if [ -f "$__object/parameter/ldap-server" ]; then
    require="__directory/opt/netbox/cdist" __file \
        /opt/netbox/cdist/ldap_config.py --mode 640 --owner netbox \
        --source "$__object/files/ldap_config.py"
else
    require="__directory/opt/netbox/cdist" __file \
        /opt/netbox/cdist/ldap_config.py --state absent
fi

# save secret
require="__directory/opt/netbox/cdist" __file /opt/netbox/cdist/secretkey \
    --mode 400 --owner netbox --source - << SECRET
$SECRET_KEY
SECRET


# Upload systemd unit for worker and wsgi service
# does not restart netbox on change cause it only restart all other services
__systemd_unit netbox.service \
    --source "$__type/files/netbox.service" \
    --enablement-state enabled
__systemd_unit netbox-rq.service \
    --source "$__type/files/netbox-rq.service" \
    --enablement-state enabled --restart