#!/usr/bin/env bash

# This script runs ausweisstatus.py with the provided arguments sends a notification to a discord webhook if the
# status has changed since the last execution

# Usage: ./notify.sh <P|R|ID> <Seriennummer> <Geburtsdatum>
# also set WEBHOOK_URL env var

notify() {
    message="New status for $2 ($3): $1"
    echo "$message"
    curl -q -i -H "Accept: application/json" -H "Content-Type:application/json" -X POST --data "{\"content\": \"$message\"}" "$WEBHOOK_URL" &>/dev/null
}

# source venv if found
test -e venv/bin/activate && source venv/bin/activate
test -e .venv/bin/activate && source .venv/bin/activate

output="$(./ausweisstatus.py "$@")"

if [ $? != 0 ]; then
    echo "$output"
    exit 1
fi

if [[ -e ./cache/"$2" ]]; then
    read -r previous < ./cache/"$2"
    if [ "$previous" != "$output" ]; then
        notify "$output" "$2" "$1"
    else
        echo "No status change for $2"
    fi
else
    echo "No previous state found, caching current status for $2"
fi

mkdir -p ./cache
echo "$output" > ./cache/"$2"