#!/bin/bash
die() { echo >&2 "ERROR: $@" ; exit 1 ; }
info() { echo >&2 "$@" ; }

DIRNAME="$(dirname $0)"
cd "$DIRNAME"
source ../env.production
source ./env.production

mkdir -p ../data/mastodon/system
chmod 777 ../data/mastodon/system

SECRETS="../data/mastodon/env.secrets"

if [ -r "$SECRETS" ]; then
	docker-compose up -d || die "unable to restart mastodon"
	exit 0
fi

# have to bring it all down before we touch the files
docker-compose down

OIDC_CLIENT_SECRET="$(openssl rand -hex 32)"

# create the secrets file,
# along with some parameters that should be in the environment
mkdir -p "$(dirname "$SECRETS")"
cat <<EOF > "$SECRETS"
# DO NOT CHECK IN
WEB_DOMAIN=$MASTODON_HOSTNAME
LOCAL_DOMAIN=$DOMAIN_NAME
OIDC_DISPLAY_NAME=$REALM
OIDC_ISSUER=https://$KEYCLOAK_HOSTNAME/realms/$REALM
OIDC_REDIRECT_URI=https://$MASTODON_HOSTNAME/auth/auth/openid_connect/callback
OIDC_CLIENT_SECRET=$OIDC_CLIENT_SECRET
SECRET_KEY_BASE=$(openssl rand -hex 32)
OTP_SECRET=$(openssl rand -hex 32)
EOF

info "mastodon: creating push keys"
docker-compose run --rm mastodon \
	rails mastodon:webpush:generate_vapid_key \
	>> "$SECRETS" \
|| die "unable to generate vapid key"

info "mastodon: setting up database"
docker-compose run --rm mastodon \
	rails db:setup \
|| die "unable to login"

source "$SECRETS"

info "mastodon: creating keycloak interface"
../keycloak/client-delete mastodon
../keycloak/client-create <<EOF || die "Unable to create keycloak client"
{
	"clientId": "mastodon",
	"rootUrl": "https://$MASTODON_HOSTNAME/",
	"adminUrl": "https://$MASTODON_HOSTNAME/",
	"redirectUris": [ "https://$MASTODON_HOSTNAME/*" ],
	"webOrigins": [ "https://$MASTODON_HOSTNAME" ],
	"clientAuthenticatorType": "client-secret",
	"secret": "$OIDC_CLIENT_SECRET"
}
EOF

docker-compose up -d || die "mastodon: unable to start container"