Add & implement askNecessaryQuestions

install.sh

@@ -19,7 +19,7 @@ function getFilteredModules() {
   if [ "${#module}" -eq 0 ]; then
     echo "${allModules[@]}"
   else
-    local modulesToKeep=()
+    local mod modulesToKeep=()
     for mod in "${allModules[@]}"; do
       local foundAtIndex="${module[(Ie)${mod}]}"
       if [ "${inverse}" != 'true' -a "${foundAtIndex}" -gt 0 ]; then
@@ -32,6 +32,130 @@ function getFilteredModules() {
   fi
 }
 
+function runModule() {
+  local mod="$1"
+  shift
+  ${_DIR:-.}/${mod} "$@"
+}
+
+function parseQuestionLine() {
+  local questionType parameterName question value arguments args
+  local -A typeMap=([i]=info [p]=password [c]=confirm [s]=select)
+  [ -z "${line}" ] && return
+  [ "${line[2]}" != ':' ] && return 10
+
+  questionType="${typeMap[${line[1]}]}"
+  [ -z "${questionType}" ] && return 11
+
+  # remove question type
+  [ "${line[3]}" = ' ' ] && line="${line:3}" || line="${line:2}"
+
+  line=("${(s.=.)line[@]}")
+  parameterName="${line[1]}"
+  [ -z "${parameterName}" ] && return 12
+  [ "${parameterName[1]}" = '-' ] && return 13
+
+  # remove parameter name
+  line="${(j.=.)${(@)line:1}}"
+
+  line=("${(s. #.)line}")
+  question="${line[1]}"
+  [ -z "${question}" ] && return 14
+
+  # remove question part
+  line="${(j. #.)${(@)line:1}}"
+
+  if [ -n "${line}" ]; then
+    arguments=("${(s.;.)line}")
+    for arg in "${arguments[@]}"; do
+      arg=("${(s.:.)arg}")
+      [ -z "${arg[1]}" ] && return 15
+      arg[1]="`trim "${arg[1]}"`"
+      arg[2]="`trim "${arg[2]}"`"
+      questionType+=";${(j.:.)arg}"
+    done
+  fi
+
+
+  printf -v value '%s\n%s' "${question}" "${questionType}"
+  questions+=("${parameterName}" "${value}")
+}
+
+function populateQuestionsWithModuleRequiredInformation() {
+  for line in "${(f)$(runModule "${mod}" --show-required-information)}"; do
+    parseQuestionLine
+  done
+}
+
+function convertQuestionArgsToAskUserArgs() {
+  local arg argName argValue
+  local instructions=("${(s.;.)questionArgs}")
+  local questionType="${instructions[1]}"
+  shift instructions
+
+  if [ "${questionType}" = 'info' ]; then
+    args=(info)
+  elif [ "${questionType}" = 'password' ]; then
+    args=('-p' info)
+  elif [ "${questionType}" = 'confirm' ]; then
+    args=(confirm)
+  elif [ "${questionType}" = 'select' ]; then
+    for arg in "${instructions[@]}"; do
+      arg=("${(s.:.)arg}")
+      [ "${#arg}" -lt 2 ] && continue
+      argName="${arg[1]}"
+      argValue="${arg[2]}"
+      [ "${argName}" != 'choose from' ] && continue
+      choices=("${(s.,.)argValue}")
+    done
+    [ "${#choices}" -ge 1 ] || return 10
+    args=(choose)
+  fi
+}
+
+function askUserQuestion() {
+  local choices
+  local questionAndArgs=("${(f)questions[$questionID]}") args=()
+  local question="${questionAndArgs[1]}" questionArgs="${questionAndArgs[2]}"
+  convertQuestionArgsToAskUserArgs
+  askUser "${args[@]}" "${question}"
+  value="${REPLY}"
+}
+
+function generateConfigKeysFromQuestionID() {
+  setopt localoptions extendedglob
+  [ $# -lt 2 -o -z "$1" -o -z "$2" ] && return
+  local modName="${1}" questID="${2}"
+  modName="${${${${modName//-##/_}/#_/}/%_/}//[^A-Za-z_]/}"
+  questID="${${${${questID//-##/_}/#_/}/%_/}//[^A-Za-z_]/}"
+  configkeys=("${modName}" questions "${questID}")
+}
+
+function answerQuestionsFromConfigOrAskUser() {
+  local questionID
+  config setappname "de.astzweig.macos.system-setup"
+  for questionID in "${(k)questions[@]}"; do
+    local value configkeys=()
+    generateConfigKeysFromQuestionID "${mod}" "${questionID}"
+    value="`config read "${configkeys[@]}"`"
+    if [ -z "${value}" ]; then
+      askUserQuestion
+      config write "${value}" "${configkeys[@]}"
+    fi
+    answers+=("${mod}_${questionID}" "${value}")
+  done
+}
+
+function askNecessaryQuestions() {
+  local mod
+  local -A answers
+  for mod in "${modulesToInstall[@]}"; do
+    local -A questions=()
+    populateQuestionsWithModuleRequiredInformation
+    answerQuestionsFromConfigOrAskUser
+  done
+}
+
 function main() {
   eval "`docopts -f -V - -h - : "$@" <<- USAGE
   Usage: $0 [options] [<module>...]
@@ -50,9 +174,11 @@ function main() {
   local modulesToInstall=(`getFilteredModules`)
   ensureDocopts
   autoloadZShLib
+  askNecessaryQuestions
   hio debug "Current working dir is: `pwd`"
 }
 
 if [[ "${ZSH_EVAL_CONTEXT}" == toplevel ]]; then
+  _DIR="${0:A:h}"
   main
 fi