#!/usr/bin/bash

# Modified from https://github.com/ublue-os/bazzite/blob/main/system_files/desktop/shared/usr/libexec/ublue-motd

IMAGE_INFO="/usr/share/ublue-os/image-info.json"
IMAGE_REF=$(jq -r '."image-ref"' < $IMAGE_INFO)
IMAGE_REF_NAME="${IMAGE_REF##*/}"
IMAGE_TAG=$(jq -r '."image-tag"' < $IMAGE_INFO)
TIP=""

IMAGE_DATE=$(rpm-ostree status --booted | sed -n 's/.*Timestamp: \(.*\)/\1/p')
IMAGE_DATE_SECONDS=$(date -d "$IMAGE_DATE" +%s)
CURRENT_SECONDS=$(date +%s)
DIFFERENCE=$((CURRENT_SECONDS - IMAGE_DATE_SECONDS))
MONTH=$((7 * 24 * 60 * 60))

readarray -t imageTypes < <(jq -r '.imageTypes[]' deprecated-images.json)

isDeprecated=false
for imageType in "${imageTypes[@]}"; do
    if [[ "$IMAGE_REF_NAME" == *"$imageType"* ]]; then
        isDeprecated=true
        break
    fi
done

if $isDeprecated; then
    TIP='~~~ NOTICE: You are on a deprecated image, please rebase. ~~~\n~~~ For more information, visit https://github.com/secureblue/secureblue/blob/live/config/files/usr/libexec/deprecated-images.json.md ~~~'
elif [ "$DIFFERENCE" -ge "$MONTH" ]; then
    TIP='~~~ NOTICE: Your current image is over 1 week old, run `ujust update`. ~~~'
else
    TIP='~~~ NOTICE: There is currently no notice. ~~~'
fi

TIP_OUTPUT=$(sed -e "s/%IMAGE_REF_NAME%/$IMAGE_REF_NAME/g" -e "s/%IMAGE_TAG%/$IMAGE_TAG/g" -e "s#%TIP%#$TIP#g" /usr/share/ublue-os/motd/secureblue.txt)
while IFS= read -r line; do
    echo "$line"
done <<< $TIP_OUTPUT