#!/bin/bash

# current dir
dir="$(dirname "$(realpath "$0")")"

# get files
wallet="${dir}/wallet.json"
template="${dir}/template.html"

# list tokens
tokens=$(jq -r '.tokens | map(.token) | join(",")' $wallet)

# fetch prices
prices=$(curl "https://api.kucoin.com/api/v1/prices?base=USD&currencies=${tokens}" | \
	jq '[.data | to_entries[] | {token: .key, price: .value} | .price |= tonumber]')

# date stamp
dts=$(echo -n "As of $(date '+%F %T %:::z')")

# build portfolio
portfolio=$(jq -s '[ .[0] + .[1] | group_by(.token)[] | add ]' \
	<(echo "$(jq '.tokens' $wallet)") <(echo "$prices"))

# calculate value
calc=$(jq '[.[]
	| .["value"] = .balance * .price
	| .["margin"] = .value - .investment
	| .["movement"] = .margin / .investment]' \
	<(echo "$portfolio"))

# create rows
readarray -t tokens < <(jq -c '.[]' <(echo $calc))

for t in "${tokens[@]}"; do
	tok=$(echo $t | jq '.token' | tr -d '"');
	bal=$(echo $t | jq '.balance|tonumber');
	prc=$(echo $t | jq '.price|tonumber');

	if [[ -n "$prc" ]]; then
		inv=$(echo $t | jq '.investment|tonumber');
		val=$(echo $t | jq '.value|tonumber');
		mar=$(echo $t | jq '.margin|tonumber');
		mov=$(echo $t | jq '.movement|tonumber');
	else
		read -r inv val mar mov <<<$(echo 0 0 0 0);
	fi

	row=$(
		echo "${row}<tr><td class=\"left\">${tok}</td><td>${bal}</td><td>" \
		$(printf "$%.2f\n" $prc)"</td><td>" \
		$(printf "$%.2f\n" $inv)"</td><td>" \
		$(printf "$%.2f\n" $val)"</td><td>" \
		$(printf "$%.2f\n" $mar)"</td><td>" \
		$(printf "%.3f\n" $mov)"</td></tr>" \
	);
	csv=$(
		echo "${csv}"\
		$(echo -n $(date +"['"%F"','"%T"','"%:::z"'")) \
		",'${tok}','${bal}','${prc}','${inv}','${val}','${mar}','${mov}']" \
	);

	# Sum up
	tot_inv=$(echo "${tot_inv:-0}+$inv" | bc);
	tot_val=$(echo "${tot_val:-0}+$val" | bc);
	tot_mar=$(echo "${tot_mar:-0}+$mar" | bc);

done

# format array
csv=$(echo $csv | sed 's|\] \[|\],\[|g')

# calculate movement
tot_mov=$(echo "scale=3 ; $tot_mar / $tot_inv" | bc)

# fill template
page=$(cat $template | \
	sed "s|%row%|$row|g" | \
	sed "s|%inv%|"$(printf "$%.2f\n" $tot_inv)"|g" | \
	sed "s|%val%|"$(printf "$%.2f\n" $tot_val)"|g" | \
	sed "s|%mar%|"$(printf "$%.2f\n" $tot_mar)"|g" | \
	sed "s|%mov%|"$(printf "%.4f\n" $tot_mov)"|g" | \
	sed "s|%dts%|$dts|g" | \
	sed "s|%csv_data%|$csv|g" | \
	sed "s|%dts_fln%|"$(echo -n $(date '+%F_%T%:::z'))"|g")

# encode link
itty=$(echo -n $page | lzma -9 | base64 -w0 | xargs -0 printf "https://itty.bitty.site/#Portfolio/%s\n")

# get ntfy
ntfy=$(jq -r '.ntfy | "\(.server)/\(.topic)"' $wallet)

# send report
curl \
	-H "title: Portfolio Update" \
	-H "tags: coin" \
	-H "click: ${itty}" \
	-d "Click Here" $ntfy