#!/usr/bin/env bash

# docker-finance | modern accounting for the power-user
#
# Copyright (C) 2021-2025 Aaron Fiore (Founder, Evergreen Crypto LLC)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.

#
# "Libraries"
#

[ -z "$DOCKER_FINANCE_CONTAINER_REPO" ] && exit 1
source "${DOCKER_FINANCE_CONTAINER_REPO}/src/hledger-flow/lib/lib_preprocess.bash" "$1" "$2"

#
# Implementation
#

[ -z "$global_year" ] && exit 1
[ -z "$global_subaccount" ] && exit 1

[ -z "$global_in_path" ] && exit 1
[ -z "$global_out_path" ] && exit 1

function parse()
{
  lib_preprocess::assert_header "transaction_hash,label,confirmations,value,fiat_value,fee,fiat_fee,timestamp"

  gawk -v global_year="$global_year" -v global_subaccount="$global_subaccount" \
    '{
       if (NR<2 || $8 !~ global_year)
         next

       printf $1 OFS                   # transaction_hash

       sub(/%/, "%%", $2)
       printf $2 OFS                   # label

       printf $3 OFS                   # confirmations

       # value (without fee)
       direction=($4 ~ /^-/ ? "OUT" : "IN"); sub(/^-/, "", $4)
       value=$4-$6  # Remove fee
       printf("%.8f", value); printf OFS

       # fiat_value
       if ($5 !~ /^No Data$/)
         {
           sub(/^-/, "", $5)
           printf("%.8f", $5)
         }
       printf OFS

       # fee
       printf("%.8f", $6)
       printf OFS

       # fiat_fee
       if ($7 !~ /^No Data$/)
         {
           printf("%.8f", $7)
         }
       printf OFS

       # timestamp
       sub(/ /, "T", $8)  # HACK: makes arg-friendly by removing space
       cmd = "date \"+%F %T %z\" --date="$8 | getline date
       printf date OFS

       printf direction OFS
       printf global_subaccount

       printf "\n"

    }' FS=, OFS=, "$global_in_path" >"$global_out_path"
}

function main()
{
  parse
}

main "$@"

# vim: sw=2 sts=2 si ai et