From 82cdbf001b300231915764dcc6a239f9c6fa6dfb Mon Sep 17 00:00:00 2001
From: grm34 <jerem.pardo@tutanota.com>
Date: Sun, 2 Apr 2023 21:38:18 +0200
Subject: [PATCH] LANG: adds an automatic translation script (deepl)

Signed-off-by: grm34 <jerem.pardo@tutanota.com>
---
 auto-translate | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100755 auto-translate

diff --git a/auto-translate b/auto-translate
new file mode 100755
index 0000000..29dc859
--- /dev/null
+++ b/auto-translate
@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2023 darkmaster @grm34
+#
+# This script automatically translates base language strings and adds
+# them into the various translations (original will be used on error).
+# It also removes duplicate strings and rearranges them alphabetically.
+
+_sort_strings() {
+  # RM duplicate strings from an array and sorts them alphabetically.
+  # Usage: _sort_strings "$@" (array of strings)
+  # Returns: $sorted_strings (array)
+  local string strings
+  declare -A strings
+  for string in "${@}"; do
+    [[ $string ]] && IFS=" " strings["${string:- }"]=1
+  done
+  # shellcheck disable=SC2207
+  IFS=$'\n' sorted_strings=($(sort <<< "${!strings[*]}"))
+}
+
+_clean_cfg_files() {
+  # RM duplicates lines and sorts them alphabetically.
+  # Usage: _clean_cfg_files "$@" (array of files)
+  local file
+  for file in "$@"; do
+    mapfile -t strings < "$file"
+    _sort_strings "${strings[@]}"
+    printf "%s\n" "${sorted_strings[@]}" > "$file"
+  done
+}
+
+_get_strings_from_cfg() {
+  # Grabs strings from CFG files.
+  # Usage: _get_strings_from_cfg "$@" (array of files)
+  # Returns: $<language_code>_strings $cfg_list (arrays)
+  local file name
+  for file in "$@"; do
+    name=${file##*/}; name="${name/.cfg/_strings}"
+    mapfile -t "$name" < "$file"
+    [[ $name != en_strings ]] && cfg_list+=("$name")
+  done
+}
+
+_get_string_data() {
+  # Grabs string name and string value
+  # Returns: $data (array)
+  IFS=$'\n' read -d "" -ra data <<< "${1//=/$'\n'}"
+  data[1]=${data[1]//\"}
+}
+
+_translate_string() {
+  # Usage: _translate_string "string" "language code"
+  # Returns: $translated (string)
+  translated="$(curl -s https://api-free.deepl.com/v2/translate \
+    -d auth_key=f1414922-db81-5454-67bd-9608cdca44b3:fx \
+    -d "text=$1" -d "target_lang=${2^^}" \
+    | grep -o '"text":"[^"]*' | grep -o '[^"]*$')"
+}
+
+_translate_and_add_missing_strings_into_cfg() {
+  # Translates then write missing strings from base language
+  # into the various translation files (from $cfg_list).
+  local line language trad_strings
+  for line in "${en_strings[@]:?}"; do
+    _get_string_data "$line"
+    for language in "${cfg_list[@]}"; do
+      declare -n trad_strings="$language"
+      if [[ "${trad_strings[*]}" != *"${data[0]}="* ]]; then
+        _translate_string "${data[1]}" "${language/_strings}"
+        [[ -n $translated ]] && line="${data[0]}=\"${translated}\""
+        [[ -n $translated ]] && note="translated" || note="original"
+        trad_strings+=("$line"); file="${language/_strings/.cfg}"
+        printf "%s\n" "${trad_strings[@]}" > "lang/$file"
+        echo "=> ${data[0]} (${note}) added into $file"
+      fi
+    done
+  done
+}
+
+# Run auto-translate.
+if [[ $1 == dh ]]; then
+  echo "Running auto-translate (this could take a while)..."
+  _clean_cfg_files lang/*.cfg
+  _get_strings_from_cfg lang/*.cfg
+  _translate_and_add_missing_strings_into_cfg
+  _clean_cfg_files lang/*.cfg
+  [[ $note ]] && echo "==> done" || echo "==> nothing to translate"
+else
+  echo "ERROR: you must specify 'dh' as argument"
+fi
+