#!/usr/bin/env bash

MOUNTPOINTS=("/" "/mnt/ext")

data="$(df -H)"

as_json() {
	mountpoint="$1"
	res="$2"
	arr_res=($res)

	jq -n -c --monochrome-output \
		--arg mountpoint "$mountpoint" \
		--arg size "${arr_res[0]}" \
		--arg used "${arr_res[1]}" \
		--arg avail "${arr_res[2]}" \
		--arg percent "${arr_res[3]}" \
		'$ARGS.named'
}

output_json="[]"
for mountpoint in "${MOUNTPOINTS[@]}"; do
	res="$(echo "$data" | awk -v m="$mountpoint" '$6 == m {print $2 " " $3 " " $4 " " $5}')"
	out="$(as_json "$mountpoint" "$res")"

	# echo "$output_json $out" | jq -c -s

	jq --argjson arr1 "$output_json" --argjson arr2 "[$out]" -n \
		'$arr1 + $arr2'

	# mount_data+=("$mountpoint" $res)
	# echo "${mount_data[@]}"
done

# echo "${mount_data[@]}"