#!/usr/bin/env bash

# docker-finance | modern accounting for the power-user
#
# Copyright (C) 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/>.

[ -z "$DOCKER_FINANCE_CONTAINER_FLOW" ] && exit 1

function docker-finance::completion()
{
  local -r _cur="${COMP_WORDS[COMP_CWORD]}"
  local -r _prev="${COMP_WORDS[COMP_CWORD - 1]}"

  local _profiles
  mapfile -t _profiles < <(pushd "${DOCKER_FINANCE_CONTAINER_FLOW}"/profiles &>/dev/null && ls -d */*)
  declare -r _profiles

  local -r _commands=("all" "edit" "fetch" "import" "ledger" "ledger-ui" "ledger-web" "meta" "reports" "root" "taxes")

  local _reply

  case $COMP_CWORD in
    1)
      mapfile -t _reply < <(compgen -W "${_profiles[*]}" -- "$_cur")
      declare -r _reply
      COMPREPLY=("${_reply[@]}")
      ;;
    2)
      mapfile -t _reply < <(compgen -W "${_commands[*]}" -- "$_cur")
      declare -r _reply
      COMPREPLY=("${_reply[@]}")
      ;;
    3)
      # NOTE: same as in impl
      [ -z "$global_arg_delim_2" ] && global_arg_delim_2="="

      # Disable space after completion
      compopt -o nospace

      case "$_prev" in
        all)
          mapfile -t _reply < <(compgen -W "help year${global_arg_delim_2}" -- "$_cur")
          ;;
        edit)
          mapfile -t _reply < <(compgen -W "help type${global_arg_delim_2} account${global_arg_delim_2}" -- "$_cur")
          ;;
        fetch)
          mapfile -t _reply < <(compgen -W "help all${global_arg_delim_2} price${global_arg_delim_2} api${global_arg_delim_2} account${global_arg_delim_2} year${global_arg_delim_2} chain${global_arg_delim_2} blockchain${global_arg_delim_2}" -- "$_cur")
          ;;
        import)
          mapfile -t _reply < <(compgen -W "help year${global_arg_delim_2}" -- "$_cur")
          ;;
        ledger | hledger)
          mapfile -t _reply < <(compgen -W "-h" -- "$_cur")
          ;;
        ledger-ui | hledger-ui)
          mapfile -t _reply < <(compgen -W "-h" -- "$_cur")
          ;;
        ledger-web | hledger-web)
          mapfile -t _reply < <(compgen -W "-h" -- "$_cur")
          ;;
        meta)
          # NOTE: args are dependent upon metadata contents
          mapfile -t _reply < <(compgen -W "help" -- "$_cur")
          ;;
        reports)
          mapfile -t _reply < <(compgen -W "help all${global_arg_delim_2} type${global_arg_delim_2} interval${global_arg_delim_2} year${global_arg_delim_2}" -- "$_cur")
          ;;
        root)
          # TODO: currently no-op
          ;;
        taxes)
          mapfile -t _reply < <(compgen -W "help all${global_arg_delim_2} tag${global_arg_delim_2} account${global_arg_delim_2} year${global_arg_delim_2} write${global_arg_delim_2}" -- "$_cur")
          ;;
      esac
      declare -r _reply
      COMPREPLY=("${_reply[@]}")
      ;;
    *)
      COMPREPLY=()
      ;;
  esac
}

complete -F docker-finance::completion finance
complete -F docker-finance::completion finance.bash
complete -F docker-finance::completion docker-finance
complete -F docker-finance::completion dfi

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