#!/bin/bash

# Copyright (c) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

##################################################
# Common fucntions                               #
##################################################
VERSION="0.1beta"

common_path_of_cpanel="/usr/share/lve/modlscapi"
common_current_date=$(date +%Y-%m-%d)
common_tmp_path="$common_path_of_cpanel/tmp"

function getLogFile(){
    if [ ! -e "$common_path_of_cpanel/logs" ];then
	mkdir -p "$common_path_of_cpanel/logs"
    fi
    current_date_time=$(date +"%Y-%m-%d %k:%M:%S")
    echo "$common_path_of_cpanel/logs/$common_current_date.log"
}

function writeToLog(){
    if [ ! -e "$common_path_of_cpanel/logs" ];then
	mkdir -p "$common_path_of_cpanel/logs"
    fi
    current_date_time=$(date +"%Y-%m-%d %k:%M:%S")
    prg=$(basename "$0")
    echo "[$current_date_time from $prg] $1" >> "$common_path_of_cpanel/logs/$common_current_date.log"
}

function writeFileToLog(){
    if [ ! -e "$common_path_of_cpanel/logs" ];then
	mkdir -p $common_path_of_cpanel/logs
    fi
    current_date_time=$(date +"%Y-%m-%d %k:%M:%S")
    prg=$(basename "$0")
    echo "[$current_date_time from $prg] ----------------File Content $1 BEG---------------" >> "$common_path_of_cpanel/logs/$common_current_date.log"
    if [ -e "$1" ];then
	cat "$1" >> "$common_path_of_cpanel/logs/$common_current_date.log"
    fi
    echo "[$current_date_time from $prg] ----------------File Content $1 End---------------" >> "$common_path_of_cpanel/logs/$common_current_date.log"
}

function checkForAppNameSyntax(){
    isApache2_0syntax=$(echo "$1" | grep [,\;@])
    if [ -n "$isApache2_0syntax" ];then
	echo "$1" | cut -d',' -f 3 | tr '[:lower:]' '[:lower:]'
    else
	echo "$1"
    fi
}

function removeEmptyStringsFromFile(){
    filename="$1"
    res=$(sed -e '/^$/d' "$filename")
    echo "$res" > "$filename"
}

function deleteAllExcept(){
    #1 - hook
    #2 - tmp name
    #3 - pattern
    if [ ! -e "$common_tmp_path" ]; then
        mkdir -p "$common_tmp_path"
    fi
    if [ -e "$1" ];then
        cat "$1" | sed -n "$3" > "$common_tmp_path/$2.tmp.$$"
        echo "#!/bin/bash" > "$1"
        cat "$common_tmp_path/$2.tmp.$$" >> "$1"
        rm -f "$common_tmp_path/$2.tmp.$$"
    fi
}

function deleteAllInclude(){
    #1 - hook
    #2 - tmp name
    #3 - pattern
    if [ ! -e "$common_tmp_path" ]; then
        mkdir -p "$common_tmp_path"
    fi
    if [ -e "$1" ];then
        cat "$1" | sed "$3" > "$common_tmp_path/$2.tmp.$$"
        cat "$common_tmp_path/$2.tmp.$$" > "$1"
        rm -f "$common_tmp_path/$2.tmp.$$"
    fi
}


function showBar {
 nmb=$(cat "$0" | grep showBar | wc -l)
 let "nmb = $nmb"
 let "prct = $1 * 30 / $nmb"
 let "prct_n = $1 * 100 / $nmb"
 prg=$(basename "$0")
 echo -n "$prg: [" >&2
 for bar in {1..30}
 do
  if [ $bar -le $prct ];then
    echo -n "#" >&2
  else
    echo -n " " >&2
  fi
 done
 echo -ne "] ($prct_n%)\r" >&2
}

function get_command(){
    command=$(which "$1")                                                                                                                                      
    if [ $? != 0 ]; then                                                                                                                                     
        writeToLog "Can't execute command $1..."                                                                                                                   
        exit 1;                                                                                                                                              
    fi                                                                                                                                                       
    echo "$command"                                                                                                                                            
} 

function cmakeSorce(){          
 CL7=$(uname -r | grep '\.el7')
 PARAMS=""
 if [ -n "$CL7" ]; then
   PARAMS="-DWITH_CRIU:BOOLEAN=TRUE"
 fi
 cur=$(pwd)                                                                                                                              
 log=$(getLogFile)
 iscmake=$(get_command "cmake")                                                                                                                              
 CMAKE_SRC=$common_tmp_path/tmpcmakesrc                                                                                                                                       
 if [ -e "$CMAKE_SRC" ];then
    rm -rf "$CMAKE_SRC"
 fi
 mkdir -p $CMAKE_SRC                                                                                                                                         
 tar -zxvf "$1" -C $CMAKE_SRC >>$log                                                                                                                                  
 (cd "$CMAKE_SRC/$2"                                                                                                                                           
            "$iscmake" "$PARAMS" . 1>>$log 2>&1 && make 1>>$log 2>&1 && make install 1>>$log 2>&1)                                                                                                                                                                                                                                                                         
 makeproc=$?                                                                                                                                                 
 rm -rf $CMAKE_SRC                                                                                                                                           
 cd "$cur" 
 return $makeproc                                                                                                                                            
} 

function installModule_lsapi(){                                                                                                                            
 
        pathtosrc="$common_path_of_cpanel/tars/mod_lsapi.tar.gz"                                                                                                               
        cmakeSorce $pathtosrc ""                                                                                                                         
        if [[ $? != 0 ]]; then                                                                                                                           
            writeToLog "Linking error mod_lsapi.tar.gz"                                                                                                     
            exit 1
        else                                                                                                                                             
            writeToLog "Module mod_lsapi compiled... Ok"                                                                                                                                                                                                                                                     
        fi
        if [ ! -e "/usr/local/apache/conf/conf.d" ];then
            mkdir -p /usr/local/apache/conf/conf.d/
        fi
        if [ ! -e "/usr/local/apache/conf/conf.d/lsapi.conf" ];then
            cp -f "$common_path_of_cpanel/confs/lsapi.conf" /usr/local/apache/conf/conf.d/lsapi.conf                                                                                                                                                    
        fi
        return 0                                                                                                                                             
                                                                                                                                                             
}