#!/bin/bash
#vars
NF="\e[0m"
FB="\e[1m"
CG="\e[38;5;40m"
CR="\e[38;5;9m"
CY="\033[38;5;226m"
HOST=$(hostnamectl --static)
PUSHOVERAPI="https://api.pushover.net"

#functions
guardband() {
if [ $? -ne 0 ]; then
echo -e "${CR}Health check - ${FB}FAIL${NF} ${CR}- Services start aborted.${NF}"
PushoverReturnBootError
exit 0
else
echo -e "${CG}Health check - ${FB}PASS${NF}"
fi
}

verifyZFS() {
echo -e "${CY}Verify ZFS...${NF}"
systemctl is-active zfs-mount
if [ $? -ne 0 ]; then
echo -e "${CR}${FB}ZFS FAILED${NF}"
return 1
fi
}

PushoverReturnBootOK() {
if ! wget --spider "$PUSHOVERAPI" 2>/dev/null; then
echo -e "${CR}Pushover API unreachable - Message will retry.${NF}"
sleep 600
TITLE="$HOST Boot health check PASS"
APP_TOKEN="apipushoverapptoken"
USER_TOKEN="apipushoverusertoken"
MESSAGE="$HOST has successfully passed all healthchecks after bootup."
curl -s -F "token=$APP_TOKEN" -F "user=$USER_TOKEN" -F "title=$TITLE" -F "message=$MESSAGE" https://api.pushover.net/1/messages.json
    if [ $? -ne 0 ]; then
    echo -e "${CR}Pushover API still unreachable - Message not sent.${NF}"
    fi
else
TITLE="$HOST Boot health check PASS"
APP_TOKEN="apipushoverapptoken"
USER_TOKEN="apipushoverusertoken"
MESSAGE="$HOST has successfully passed all healthchecks after bootup."
curl -s -F "token=$APP_TOKEN" -F "user=$USER_TOKEN" -F "title=$TITLE" -F "message=$MESSAGE" https://api.pushover.net/1/messages.json
fi
}

PushoverReturnBootError() {
if ! wget --spider "$PUSHOVERAPI" 2>/dev/null; then
echo -e "${CR}Pushover API unreachable - Message will retry.${NF}"
systemctl stop syncthing@root
systemctl stop cronicle
systemctl stop docker.socket
systemctl stop ampinstmgr
    if [ "$HOST" = "Delta" ]
    then
    systemctl stop jellyfin #delta only
    fi
systemctl stop rsyncd
sleep 600
TITLE="$HOST Boot health check FAIL"
APP_TOKEN="apipushoverapptoken"
USER_TOKEN="apipushoverusertoken"
MESSAGE="$HOST has failed a healthcheck after bootup - Services will not be initiated. Manual Intervention Required."
curl -s -F "token=$APP_TOKEN" -F "user=$USER_TOKEN" -F "title=$TITLE" -F "message=$MESSAGE" https://api.pushover.net/1/messages.json
    if [ $? -ne 0 ]; then
    echo -e "${CR}Pushover API still unreachable - Message not sent.${NF}"
    fi
else
TITLE="$HOST Boot health check FAIL"
APP_TOKEN="apipushoverapptoken"
USER_TOKEN="apipushoverusertoken"
MESSAGE="$HOST has failed a healthcheck after bootup - Services will not be initiated. Manual Intervention Required."
curl -s -F "token=$APP_TOKEN" -F "user=$USER_TOKEN" -F "title=$TITLE" -F "message=$MESSAGE" https://api.pushover.net/1/messages.json
systemctl stop syncthing@root
systemctl stop cronicle
systemctl stop docker.socket
systemctl stop ampinstmgr
    if [ "$HOST" = "Delta" ]
    then
    systemctl stop jellyfin #delta only
    fi
systemctl stop rsyncd
fi
}
sleep 60
verifyZFS
guardband
PushoverReturnBootOK