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

shopt -s nullglob || { ERROR use bash ; exit 1 ; }
. /usr/local/bin/usr_local_tput.bash || exit 2
. /usr/local/bin/usr_local_base.bash || exit 3

ROLE=base
PREFIX=/usr/local
[ -z "$PYVER" ] && PYVER=3
declare -a TARGET

if [ -f /usr/local/etc/testforge/testforge.bash ] ; then
    . /usr/local/etc/testforge/testforge.bash >/dev/null || exit 1
    P="BASE_PYTHON${PYVER}_MINOR"
    PYTHON_MINOR="$(eval echo \$$P)"
  fi

[ -n "$PYTHON_MINOR" ] || \
    PYTHON_MINOR=$( python$PYVER --version 2>&1| sed -e 's@^.* @@' -e 's@\.[0-9]*$@@' )
[ -z "$LIB" -a -d $PREFIX/lib/python$PYTHON_MINOR/site-packages ]   && LIB=lib
[ -z "$LIB" -a -d $PREFIX/lib64/python$PYTHON_MINOR/site-packages ] && LIB=lib64

if [ "$#" -eq 0 ] || [[ "$*" =~ "--version" ]] || [[ "$*" =~ "--help" ]] ; then
    $PREFIX/bin/python$PYVER.sh -m pip "$@"
    exit $?
elif [ "$1" = 'html' ] ; then
    wget -c -O - https://pypi.org/project/$2 2>/dev/null
    exit $?
elif [ "$1" = 'lynx' ] ; then
    lynx https://pypi.org/project/$2
    exit $?
elif [ "$1" = 'elinks' ] ; then
    elinks https://pypi.org/project/$2
    exit $?
fi

if [ -x $PREFIX/bin/base_check_site_py.bash ] ; then
    $PREFIX/bin/base_check_site_py.bash $PYTHON_MINOR >/dev/null || exit $?
fi

if [ -n "$PYTHONPATH" ] && [ -x $PREFIX/bin/base_clean_pythonpath.bash ] ; then
    PYTHONPATH="$( $PREFIX/bin/base_clean_pythonpath.bash $PYTHON_MINOR $PYTHONPATH )"
fi

# could from pip import download;print(download.__file__)
file=$PREFIX/$LIB/python$PYTHON_MINOR/site-packages/pip/download.py
if [ -f $file ] && grep -q 'if not check_path_owner' $file ; then
    mv $file $file.dst
    sed -e 's/if not check_path_owner/if False and not check_path_owner/' \
	> $file $file.dst
  fi

#DBUG $prog PYTHON_MINOR=$PYTHON_MINOR PYTHONPATH=$PYTHONPATH

LARGS="$BASE_PIP_GLOBAL_ARGS" # --no-python-version-warning
if [ -f /usr/local/etc/ssl/cacert-testforge.pem ] ; then
    [[ "$*" =~ "--cert" ]] || [[ $LARGS =~ "--cert" ]] || LARGS="--cert $PREFIX/etc/ssl/cacert-testforge.pem $LARGS"
  fi
if [ -e $PREFIX/net/Cache/Pip ] ; then
    [[ "$*" =~ "--cache-dir" ]] || [[ $LARGS =~ "--cache-dir" ]] || LARGS="--cache-dir $PREFIX/net/Cache/Pip $LARGS"
fi

[[ "$*" =~ "--timeout" ]] || [[ $LARGS =~ "--timeout" ]] || LARGS="--timeout=30 $LARGS"
[[ "$*" =~ '--disable-pip-version-check' ]] || LARGS="--disable-pip-version-check $LARGS"
[[ "$*" =~ '--proxy' ]] || LARGS="$LARGS --proxy http://localhost:3128"

MYID=$( id -u )
if [ "$1" = 'uninstall' ] ; then
    [ $MYID -eq 0 ] && ERROR $prog should not be run as root $MYID && exit 2

elif [ "$1" = 'install' ] ; then
    [ $MYID -eq 0 ] && ERROR $prog should not be run as root $MYID && exit 2
    shift
    RARGS="$RARGS --progress-bar=off"
#    LARGS="$LARGS --python=/usr/local/bin/python$PYTHON_MINOR.sh"
    /usr/local/bin/proxy_ping_test.bash wifi # || exit 3$?
    # Can not combine '--user' and '--prefix'
    if true ; then # >9.0.1
        if [[ $RARGS =~ "--prefix=$PREFIX" ]] ; then
	    :
	else
	    [ $MYID -eq 0 ] && ERROR $prog should not be run as root $MYID && exit 2
            RARGS=" --prefix=$PREFIX $RARGS"
	fi
    else
	# this is required, with the ~/.local symlinks, or it tries to uninstall from the system
	[[ $RARGS =~ " --user" ]] || RARGS=" --user $RARGS"
        # no quotes around the --install-option arg
        [[ $RARGS =~ "--install-scripts" ]] || RARGS=" --install-option=--install-scripts=/usr/local/bin $RARGS"
        [[ $RARGS =~ "--install-lib" ]] || RARGS=" --install-option=--install-lib=/usr/local/$LIB/python$PYTHON_MINOR/site-packages $RARGS"
      fi
#    if [ -d /etc/apt ] ; then # ! uname -a | grep Debian ||
#	[[ $RARGS =~ "--install-layout" ]] || RARGS=" --install-option=--install-layout=unix $RARGS"
#    fi
#?    [[ $RARGS =~ "--no-binary" ]] || RARGS="--no-binary :all: $RARGS"
    # this prohibits installing .egg dirs but maybe that means no multi-version
    [[ $RARGS =~ "--only-binary" ]] || RARGS="--only-binary :none: $RARGS"
    ! $PREFIX/bin/python$PYVER.sh -m pip --help | grep -q upgrade-strategy || \
      [[ $RARGS =~ "--upgrade-strategy" ]] || RARGS="--upgrade-strategy only-if-needed $RARGS"
    # require explicit package-by package installing - ? maybe only from ansible?
    RARGS="install $RARGS"
    export PYTHONPATH=/usr/local/$LIB/python$PYTHON_MINOR/site-packages
fi
TARGET=("$@")

echo DBUG $prog $LARGS $RARGS "$@"
exec $PREFIX/bin/python$PYVER.sh -W ignore::UserWarning -m pip $LARGS $RARGS "$@" 2>&1