#!/bin/bash
#
# Run script against every item in input file

if [[ -z $1 ]] ; then
	echo "parse a list of parameters and execute script with those parameters"
	echo "parse-list.sh <param file> <script> [<noisy> <additional> <additional> <additional>]"
  echo "<param file|org='organisation'> name of file containing parameters"
  echo "                                or the organisation list of repos"
  echo "<script> script to run (e.g. rename-e-smith-pkh.sh)"
  echo "optional params can appear in any order"
  echo "   <review> show line being executed but do NOTHING!"
  echo "   <noisy> show line being executed"
  echo "   <additional> additional params to be passed (up to 3)"
  exit 0
fi

# parse the command line parameters
PROCESSORG=
EXTRAPARAMS=
if [[ $1 == org=* ]] ; then
    # using a list of the repos in this organisatoin as input
    PROCESSORG=${1#*=}
    EXTRAPARAMS=$PROCESSORG # add the org as the first additional param
    # Get the ini file and relevant parameters - only needed for org processing
    inifilename=$(echo ~)"/.smegit/config"
    if [ ! -e $inifilename ] ; then
      # Not here, look at system default
      if [ ! -e /etc/smegit.ini ] ; then 
        echo "No ini file found $inifiename or /etc/smegit.ini"
        exit 1
      else
        initfilename="/etc/smegit.ini"
      fi
    fi 

    while read -r line || [[ -n "$line" ]]; do
      if [[ $line =~ ^\[.*\]$ ]] ; then
        section=${line#*[}
        section=${section%]*}
      else
        if [[ $line =~ ^[^#]*= ]] ; then
          key=${line%=*}
           value=${line#*=}
           declare "${section}_${key}=$value"
        fi
      fi
  done < "$inifilename"
else
  # using a file as input
  if [[ ! -f $1 ]] ; then
    echo "Can NOT find $1 - Aborting"
    exit 1
  fi
fi

if [[ $(which $2 | grep "no $2") ]] ; then 
    echo "Can NOT find $2 - Aborting"
    exit 1
fi

DEBUG=
REVIEW=
NOISY=
GITEAHOST=${remote_GITEAHOST}
ACCESSTOKEN=${remote_GITEAACCESSTOKEN}
for param in $3 $4 $5 $6; do
  if [ $param ] ; then
    case $param in
      review )
        REVIEW=true ;;
      noisy )
        NOISY=true ;;
      local )
        GITEAHOST=${local_GITEAHOST}
        ACCESSTOKEN=${local_GITEAACCESSTOKEN}
        EXTRAPARAMS=$EXTRAPARAMS" "$param
      ;;
      debug )
        DEBUG=true ;;
      * )
        EXTRAPARAMS=$EXTRAPARAMS" "$param ;;
    esac
  else
	  break
  fi
done

# Build array of parameters to cycle through
PARAMLIST=()
if [ $PROCESSORG ] ; then
# get a list of repositories in the source organisation and store in array of parameters
  for page in {1..10} ; do
    if [ $DEBUG ] ; then echo "getting page $page of repos from $GITEAHOST $PROCESSORG" ; fi
    RESPONSE=$(curl -s -X 'GET' \
      "$GITEAHOST/api/v1/orgs/$PROCESSORG/repos?page=$page" \
      -H 'accept: application/json' \
      -H "Authorization: token $ACCESSTOKEN"
    )
    if [ $DEBUG ] ; then echo "RESPONSE=$RESPONSE" ; fi

    if [[ $RESPONSE == '[]' ]] ; then
      # we have them all
	    break
    else
      PARAMLIST="$PARAMLIST $(echo $RESPONSE | grep -oP '(?<="name":").+?(?=")')" 
    fi
  done
else
# load array of parameters from input file
  while read -r line ; do PARAMLIST+=($line) ; done < $1
fi

# Cycle through array of parameters and execute script
for param in ${PARAMLIST[@]}
do
  if [[ $NOISY || $REVIEW ]] ; then echo "$2 $param $EXTRAPARAMS" ; fi
  if [[ -z $REVIEW ]] ; then
    if [[ $param ]] ; then 
      RESPONSE=$($2 $param $EXTRAPARAMS) ; rc=$?
      if [ $rc -ne 0 ] ; then echo "$RESPONSE" ; fi
      if [ $DEBUG ] ; then echo "RESPONSE=$RESPONSE" ; fi
    fi
  fi
done

exit 0