#!/usr/bin/env bash

# docker-finance | modern accounting for the power-user
#
# Copyright (C) 2021-2024 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/finance/lib/internal/lib_utils.bash" || exit 1

#
# Facade
#

function lib_ledger::ledger-import()
{
  lib_ledger::__ledger-import "$@"
  lib_utils::catch $?
}

function lib_ledger::ledger-cli()
{
  lib_ledger::__ledger-cli "$@"
  lib_utils::catch $?
}

function lib_ledger::ledger-ui()
{
  lib_ledger::__ledger-ui "$@"
  lib_utils::catch $?
}

function lib_ledger::ledger-vui()
{
  lib_ledger::__ledger-vui "$@"
  lib_utils::catch $?
}

function lib_ledger::ledger-web()
{
  lib_ledger::__ledger-web "$@"
  lib_utils::catch $?
}

#
# Implementation
#

function lib_ledger::__ledger-import()
{
  [ -z "$global_usage" ] && lib_utils::die_fatal
  [ -z "$global_arg_delim_1" ] && lib_utils::die_fatal
  [ -z "$global_arg_delim_2" ] && lib_utils::die_fatal

  local -r _arg="$1"
  local -r _usage="
\e[32mDescription:\e[0m

  Import all accounts' CSV data to produce viable journals (see README for setup)

\e[32mUsage:\e[0m

  $ $global_usage [year${global_arg_delim_2}<year>]

\e[32mArguments:\e[0m

  Fetch year:

    year${global_arg_delim_2}<all|year>

\e[32mExamples:\e[0m

  \e[37;2m# Import all years since 2020\e[0m
  $ $global_usage year${global_arg_delim_2}2020
"

  if [ "$#" -gt 1 ]; then
    lib_utils::die_usage "$_usage"
  fi

  # Get/Set year
  if [ ! -z "$_arg" ]; then
    if [[ ! "$_arg" =~ ^year[s]?${global_arg_delim_2} ]]; then
      lib_utils::die_usage "$_usage"
    fi

    # Parse key for value
    local _key="${_arg%${global_arg_delim_2}*}"
    local _len="$((${#_key} + 1))"
    if [[ "$_key" =~ ^year[s]?$ ]]; then
      local _arg_year="${_arg:${_len}}"
      if [ -z "$_arg_year" ]; then
        lib_utils::die_usage "$_usage"
      fi
    fi
  fi

  # Arg: year
  # TODO: implement range
  if [ ! -z "$_arg_year" ]; then
    # TODO: 20th century support
    [[ ! "$_arg_year" =~ ^20[0-9][0-9]$ ]] \
      && lib_utils::die_usage "$_usage" \
      || declare -gr global_arg_year="$_arg_year"
  else
    global_arg_year="$(date +%Y)"
    declare -gr global_arg_year
  fi

  [ -z "$global_child_profile_journal" ] && lib_utils::die_fatal
  time /usr/local/bin/hledger-flow import \
    "$(dirname $global_child_profile_journal)" --start-year "$global_arg_year"
}

function lib_ledger::__ledger-cli()
{
  /usr/bin/hledger -f "$global_child_profile_journal" "$@"
}

function lib_ledger::__ledger-ui()
{
  /usr/bin/hledger-ui -f "$global_child_profile_journal" "$@"
}

function lib_ledger::__ledger-vui()
{
  /usr/bin/hledger -f "$global_child_profile_journal" print -O csv "$@" \
    | visidata --motd-url file:///dev/null --filetype csv
}

function lib_ledger::__ledger-web()
{
  /usr/bin/hledger-web -f "$global_child_profile_journal" "$@"
}

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