From 7f86b6a2503c8d26d09a3236acfb6ee816e0717d Mon Sep 17 00:00:00 2001
From: Aaron Fiore <founder@evergreencrypto.co>
Date: Sat, 3 Aug 2024 19:07:35 -0700
Subject: [PATCH] client: add preliminary bash completion

---
 client/src/docker/completion.bash | 99 +++++++++++++++++++++++++++++++
 client/src/docker/docker.bash     | 10 ++--
 2 files changed, 105 insertions(+), 4 deletions(-)
 create mode 100644 client/src/docker/completion.bash

diff --git a/client/src/docker/completion.bash b/client/src/docker/completion.bash
new file mode 100644
index 0000000..1cbb6d7
--- /dev/null
+++ b/client/src/docker/completion.bash
@@ -0,0 +1,99 @@
+#!/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/>.
+
+# If not yet installed, gracefully exit
+if ! hash docker &>/dev/null; then
+  exit 0
+fi
+
+function docker-finance::completion()
+{
+  local _cur="${COMP_WORDS[COMP_CWORD]}"
+  local _prev="${COMP_WORDS[COMP_CWORD - 1]}"
+
+  local _images
+  mapfile -t _images < <(docker image ls | grep ^docker-finance | cut -d'/' -f2- | cut -d' ' -f1-4 | sed -e 's/   /:/')
+  declare -r _images
+
+  local -r _commands=("gen" "edit" "build" "backup" "rm" "up" "down" "start" "stop" "run" "shell" "version" "license" "linter" "doxygen")
+
+  local _reply
+
+  case $COMP_CWORD in
+    1)
+      mapfile -t _reply < <(compgen -W "${_images[*]}" -- "$_cur")
+      declare -r _reply
+      # TODO: HACK for colon tag. Consider using bash-completion package.
+      for _r in "${_reply[@]}"; do
+        COMPREPLY+=("'${_r}'")
+      done
+      ;;
+    2)
+      mapfile -t _reply < <(compgen -W "${_commands[*]}" -- "$_cur")
+      declare -r _reply
+      COMPREPLY=("${_reply[@]}")
+      ;;
+    # TODO: multiple options (in 3) should have multiple completions
+    3)
+      # NOTE: same as in client impl
+      [ -z "$global_arg_delim_2" ] && global_arg_delim_2="="
+
+      # Disable space after completion
+      compopt -o nospace
+
+      case "$_prev" in
+        gen)
+          # TODO: _currently no-op
+          ;;
+        edit)
+          mapfile -t _reply < <(compgen -W "help type${global_arg_delim_2}" -- "$_cur")
+          ;;
+        build)
+          mapfile -t _reply < <(compgen -W "help type${global_arg_delim_2}" -- "$_cur")
+          ;;
+        backup | rm | up | down | start | stop)
+          # TODO: _currently no-op
+          ;;
+        shell)
+          mapfile -t _reply < <(compgen -W "help user${global_arg_delim_2}" -- "$_cur")
+          ;;
+        version)
+          mapfile -t _reply < <(compgen -W "help type${global_arg_delim_2}" -- "$_cur")
+          ;;
+        license)
+          mapfile -t _reply < <(compgen -W "help file${global_arg_delim_2}" -- "$_cur")
+          ;;
+        linter)
+          mapfile -t _reply < <(compgen -W "help type${global_arg_delim_2} file${global_arg_delim_2}" -- "$_cur")
+          ;;
+        doxygen)
+          mapfile -t _reply < <(compgen -W "help gen${global_arg_delim_2} rm${global_arg_delim_2}" -- "$_cur")
+          ;;
+      esac
+      declare -r _reply
+      COMPREPLY=("${_reply[@]}")
+      ;;
+    *)
+      COMPREPLY=()
+      ;;
+  esac
+}
+
+complete -F docker-finance::completion docker.bash
+complete -F docker-finance::completion docker-finance
diff --git a/client/src/docker/docker.bash b/client/src/docker/docker.bash
index fa69673..e917df3 100755
--- a/client/src/docker/docker.bash
+++ b/client/src/docker/docker.bash
@@ -95,8 +95,9 @@ function main()
   \e[37;2m# Finance platform\e[0m
   \e[37;2m#\e[0m
 
-  \e[37;2m# Setup an alias for latest <platform${global_arg_delim_1}user:tag>\e[0m
-  $ alias docker-finance=\"$0 archlinux${global_arg_delim_1}${USER}:latest\"
+  \e[37;2m# For the sake of simplicity, recreate the docker-finance alias using <platform${global_arg_delim_1}user:tag>\e[0m
+  $ unalias docker-finance 2>/dev/null \\
+    ; alias docker-finance=\"$0 archlinux${global_arg_delim_1}${USER}:default\"
 
   \e[37;2m# Generate environment and build default image\e[0m
   $ docker-finance gen && docker-finance build type${global_arg_delim_2}default
@@ -127,8 +128,9 @@ function main()
   \e[37;2m# Dev-tools platform\e[0m
   \e[37;2m#\e[0m
 
-  \e[37;2m# Setup an alias for dev-tools\e[0m
-  $ alias dev-tools=\"$0 dev-tools${global_arg_delim_1}${USER}:latest\"
+  \e[37;2m# For the sake of simplicity, recreate the dev-tools alias using <platform${global_arg_delim_1}user:tag>\e[0m
+  $ unalias dev-tools 2>/dev/null \\
+    ; alias dev-tools=\"$0 dev-tools${global_arg_delim_1}${USER}:default\"
 
   \e[37;2m# Generate environment and build default image\e[0m
   $ dev-tools gen && dev-tools build type${global_arg_delim_2}default