#!/usr/bin/env bash
# author: deadc0de6 (https://github.com/deadc0de6)
# Copyright (c) 2020, deadc0de6
#
# test install
# returns 1 in case of error
#

# exit on first error
set -e

# all this crap to get current path
rl="readlink -f"
if ! ${rl} "${0}" >/dev/null 2>&1; then
  rl="realpath"

  if ! hash ${rl}; then
    echo "\"${rl}\" not found !" && exit 1
  fi
fi
cur=$(dirname "$(${rl} "${0}")")

#hash dotdrop >/dev/null 2>&1
#[ "$?" != "0" ] && echo "install dotdrop to run tests" && exit 1

#echo "called with ${1}"

# dotdrop path can be pass as argument
ddpath="${cur}/../"
[ "${1}" != "" ] && ddpath="${1}"
[ ! -d ${ddpath} ] && echo "ddpath \"${ddpath}\" is not a directory" && exit 1

export PYTHONPATH="${ddpath}:${PYTHONPATH}"
bin="python3 -m dotdrop.dotdrop"
hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true

echo "dotdrop path: ${ddpath}"
echo "pythonpath: ${PYTHONPATH}"

# get the helpers
source ${cur}/helpers

echo -e "$(tput setaf 6)==> RUNNING $(basename $BASH_SOURCE) <==$(tput sgr0)"

################################################################
# this is the test
################################################################

get_file_mode()
{
  u=`umask`
  u=`echo ${u} | sed 's/^0*//'`
  v=$((666 - u))
  echo "${v}"
}

# $1 path
# $2 rights
has_rights()
{
  echo "testing ${1} is ${2}"
  [ ! -e "$1" ] && echo "`basename $1` does not exist" && exit 1
  local mode=`stat -L -c '%a' "$1"`
  [ "${mode}" != "$2" ] && echo "bad mode for `basename $1` (${mode} VS expected ${2})" && exit 1
  true
}

# dotdrop directory
basedir=`mktemp -d --suffix='-dotdrop-tests' || mktemp -d`
mkdir -p ${basedir}/dotfiles
echo "[+] dotdrop dir: ${basedir}"
echo "[+] dotpath dir: ${basedir}/dotfiles"
tmpd=`mktemp -d --suffix='-dotdrop-tests' || mktemp -d`

clear_on_exit "${basedir}"
clear_on_exit "${tmpd}"

echo "content" > ${basedir}/dotfiles/x

# create the config file
cfg="${basedir}/config.yaml"
cat > ${cfg} << _EOF
config:
  backup: true
  create: true
  dotpath: dotfiles
dotfiles:
  f_x:
    src: x
    dst: ${tmpd}/x
profiles:
  p1:
    dotfiles:
    - f_x
_EOF

echo "[+] install"
cd ${ddpath} | ${bin} install -c ${cfg} -f -p p1 --verbose | grep '^1 dotfile(s) installed.$'
[ "$?" != "0" ] && exit 1

[ ! -e ${tmpd}/x ] && echo "f_x not installed" && exit 1

# update chmod
chmod 666 ${tmpd}/x
cd ${ddpath} | ${bin} update -c ${cfg} -f -p p1 --verbose ${tmpd}/x

# chmod updated
cat ${cfg} | grep "chmod: '666'"

chmod 644 ${tmpd}/x

mode=`get_file_mode ${tmpd}/x`
echo "[+] re-install with no"
cd ${ddpath} | printf "N\n" | ${bin} install -c ${cfg} -p p1 --verbose
[ "$?" != "0" ] && exit 1

# if user answers N, chmod should not be done
has_rights "${tmpd}/x" "${mode}"

echo "[+] re-install with yes"
cd ${ddpath} | printf "y\n" | ${bin} install -c ${cfg} -p p1 --verbose
[ "$?" != "0" ] && exit 1

has_rights "${tmpd}/x" "666"

echo "OK"
exit 0