#!/usr/bin/bash

set -euo pipefail

MURL="https://miniflux.i.balki.me"
FID=61

TOKEN="${MINIFLUX_TOKEN?token missing}"

token_header() {
	cat <<<"X-Auth-Token: $TOKEN"
}

process() {
	local eid="$1"
	local title="$2"

	echo "Downloding content. entry: $eid title: $title"

	# https://miniflux.app/docs/api.html#endpoint-fetch-content
	curl --fail -o /dev/null -s "$MURL/v1/entries/$eid/fetch-content" \
		--url-query update_content=true \
		-H @<(token_header)

	echo "Updating title. entry: $eid title: $title"

	# https://miniflux.app/docs/api.html#endpoint-update-entry
	curl --fail -o /dev/null -s -X PUT "$MURL/v1/entries/$eid" \
		--json "$(jo title="${title/$/✓}")" \
		-H @<(token_header)

	echo "Marking as unread. entry: $eid title: $title"

	# https://miniflux.app/docs/api.html#endpoint-update-entries
	curl --fail -s -X PUT "$MURL/v1/entries" \
		--json "$(jo "entry_ids[]=$eid" status=unread)" \
		-H @<(token_header)
}

filter_entries() {
	# silence 'Expressions don't expand in single quotes'
	# shellcheck disable=SC2016
	mlr --l2n \
		+ filter '$title =~ "\[\$\]"' \
		+ filter -s w1="$1" -s w2="$2" '$published_at > @w2 && $published_at < @w1' \
		+ cut -of id,title \
		+ tac
}

main() {
	local w1 w2

	# Script will fail at the first entry that is not available yet
	w1=$(date --iso-8601=s -d '1 week ago')
	w2=$(date --iso-8601=s -d '5 weeks ago')

	echo "Considering articles between w2: $w2 and w1: $w1 "

	# https://miniflux.app/docs/api.html#endpoint-get-feed-entries

	curl -s --fail "$MURL/v1/feeds/$FID/entries" \
		--url-query limit=150 \
		--url-query order=id \
		--url-query direction=desc \
		-H @<(token_header) |
		yq -pj -oj '.entries[]' |
		filter_entries "$w1" "$w2" |
		while read -r eid title; do
			echo "processing entry: $eid title: $title"
			process "$eid" "$title"
		done
}

main