#!/bin/bash
# -*- mode: sh; tab-width: 8; coding: utf-8-unix -*-

# pip installs into /usr/local/bin
# export PATH=.:$PATH:/usr/local/bin

prog=$( basename $0 .bash )
ROLE=base
. /usr/local/bin/usr_local_tput.bash || exit 2
PREFIX=/usr/local

. /usr/local/etc/testforge/testforge.bash || exit 1

[ -d PREFIX=/var/local/var/log ] && \
  BASE_LOG_DIR=/var/local/var/log || \
  BASE_LOG_DIR=/tmp

pyver=3
inter=0
verbose=3

usage() {
    echo "Usage: $0 [OPTIONS] dirs-or-files"
    echo
    echo " -i | --inter=$inter           - interactivly upgrade 0 or 1  [0]"
    echo " -p | --pyver=$pyver           - python version -  2 or 3"
    echo " -v | --verbose=$verbose       - verbosity 0 least 5 most"
    echo
    echo " -V | --version                - print version of this script"
    echo " -h | --help                   - print this help"
}

exitWithErrMsg() {
    retval=$1
    shift
    echo "$1" 1>&2
    exit $retval
}

SHORTOPTS="hVp:v:i:"
LONGOPTS="help,version,pyver:,verbose:,inter:"
PKGS=

ARGS=$(getopt --options $SHORTOPTS  --longoptions $LONGOPTS -- "$@")
[ $? != 0 ] && exitWithErrMsg 1 "Aborting."

route | grep -q ^default ||  exitWithErrMsg 2 "We are not connected: Aborting."

eval set -- "$ARGS"

while true; do
    case "$1" in
        -p|--pyver)
            shift
            pyver="$1"
            ;;
        -i|--inter)
            shift
            inter=1
            ;;
        -v|--verbose)
            shift
            verbose="$1"
            ;;
        -h|--help)
            usage
            exit 0
            ;;
        '--')
            shift
            PKGS="$*"
            break
            ;;
        *)
            break
            ;;
    esac
    shift
done

#echo $PKGS
if [[ $pyver =~ 2.*  ]] ; then
    LOG_DIR=$BASE_LOG_DIR/pip/$BASE_PYTHON2_MINOR
    pip_exe=/usr/local/bin/pip2.sh
  else
    LOG_DIR=$BASE_LOG_DIR/testforge/pip/$BASE_PYTHON3_MINOR
    pip_exe=/usr/local/bin/pip3.sh
  fi

cd /usr/local/bin
#  --process-dependency-links
# this is missing many/most
# --format: invalid choice: 'legacy' (choose from 'columns', 'freeze', 'json')
$pip_exe list -o --format=columns --user | tee /tmp/$$.log
# pyface (Current: 4.5.2 Latest: 5.0.0 [sdist])
grep 'wheel$\|sdist$' /tmp/$$.log | while read pkg current latest rest ; do
    echo "INFO: $pkg from $current to $latest "
    if [ -n "$PKGS" ] ; then
        echo "$PKGS" | grep -v "grep" | grep -q "$pkg"  || continue
      fi

    # this is for the Msys distribution build from source
    if [ -f ../src/$pkg.bash ] && grep VER=  ../src/$pkg.bash ; then
        [ -f ../src/$pkg.bash.old ] && WARN "$0 backup present $pkg.old" && continue
        grep -q "^VER=\"$latest\"" ../src/$pkg.bash && \
            WARN "$0 $pkg already $latest" && continue
	mv ../src/$pkg.bash  ../src/$pkg.bash.old
	sed -e "s/VER=$current/VER=$latest/" ../src/$pkg.bash < ../src/$pkg.bash.old
        echo "INFO: package $pkg "
    fi
    #  -u 2
    [ $inter -eq 0 ] && continue

    read -p "READ: Upgrade $pkg from $current to $latest? " yn
    [ "$yn" = "q" ] && exit
    [ "$yn" = "y" ] || continue

    $pip_exe $pkg $current $latest
  done

rm -f /tmp/$$.log
exit 0