#!/bin/bash
source install_lang
####### garbage here #############
function mainFunction ( )
{
echo "$Good"
}
function braBraBra ( )
{
echo "$Bra_Bra_Bra"
}
####### garbage end ###############



####### fafa code here ###########

set_install_information () {
  read -p "Please select install mode, 1:Single mode 2:Cluster mode: " install_mode
  read -p "Please enter administrator's e-mail address:  " admin_email
  if [ $install_mode -eq 1 ]; then
    select_mode="Single"
    read -p "Please enter the ip address:  " MasterIP_Address

  elif [ $install_mode -eq 2 ]; then
    select_mode="Cluster"
    read -p "Please enter the master ip address:  " MasterIP_Address
    read -p "Please enter the slaves number:  " Slaves_NO
    for (( i=1; i<=$Slaves_NO; i=i+1 ))
    do
      read -p "Please enter the slaves of $i's ip address:  " SlavesAddress$i
    done
  fi
}

show_info () {
  echo "Your choose is $select_mode install mode."
  echo "Administrator's e-mail address is $admin_email."
  echo "The master IP address is: $MasterIP_Address"
  if [ $install_mode -eq 2 ]; then
    echo "You have $Slaves_NO slaves, the list of slave as following: "
    for (( i=1; i<=$Slaves_NO; i=i+1))
    do
      echo "The slaves $i: $((SlavesAddress$i))"
    done
  fi
}

confirm_install_information () {
  read -p "Please confirm your install infomation: 1.Yes 2.No  " confirm
}

# Hadoop install
Hadoop_install () {
  set_hadoop-env
  set_hadoop-site
  set_masters_slaves

  if [ $install_mode -eq 2 ]; then
    echo "Hadoop Cluster install version($Slaves_NO slaves...)"
  fi

}

# set $Hadoop_HOME/conf/hadoop-env.sh
set_hadoop-env () {
  echo "set $Hadoop_HOME/conf/hadoop-env.sh"
}

# set $Hadoop_HOME/conf/hadoop-site.xml
set_hadoop-site () {
  echo "set $Hadoop_HOME/conf/hadoop-site.xml"
}
# set $Hadoop_HOME/conf/masters and slaves
set_masters_slaves () {
  echo "set $Hadoop_HOME/conf/masters and slaves"
}

# Nutch install
Nutch_install () {
  echo "install Nutch..."
  echo "cp -rf $Hadoop_HOME/* $Nutch_HOME/*"
  echo "cp -rf $Nutch_HOME/*.jar lib/"
  set_nutch-site
  set_crawl-urlfilter
  if [ $install_mode -eq 2 ]; then
    echo "Nutch Cluster install version($Slaves_NO slaves...)"
    nutch_cluster_install
  fi

}
# cp -rf $Hadoop_HOME/* $Nutch_HOME/*
# cp -rf $Nutch_HOME/*.jar lib/

#********these steps will merge with hadoop********
# set $Nutch_HOME/conf/hadoop-env.sh              *
# source ./$Nutch_HOME/conf/hadoop-env.sh         *
#**************************************************

# set $Nutch_HOME/conf/nutch-site.xml
set_nutch-site () {
  echo "set $Nutch_HOME/conf/nutch-site.xml"
}
# set $Nutch_HOME/conf/crawl-urlfilter.txt       
set_crawl-urlfilter () {
  echo "set $Nutch_HOME/conf/crawl-urlfilter.txt"
}


#******Cluster version to do*********
# scp nutch_dir to the other slaves * 
#************************************
nutch_cluster_install () {
  for (( i=1; i<=$Slaves_NO; i=i+1))
  do
    echo "ssh $((SlavesAddress$i)) chown"
    echo "scp nutch_dir to slave $((SlavesAddress$i))."
  done
}


# format HDFS
format_HDFS () {
  echo "format HDFS"
}

# start up NutchEZ
# bin/start-all.sh
start_up_NutchEZ (){
  echo "start up NutchEZ"
}

# Crawl(Maybe in administrator page to do this)
# edit url list(mkdir urls and urls.txt)
# upload to HDFS
# bin/hadoop dfs -put urls urls
# bin/nutch crawl urls -dir search -threads 2 -depth 3 -topN 100000
# or save as a log file
# bin/nutch crawl urls -dir search -threads 2 -depth 3 -topN 100000 >& nutch.log


#****only master do this****
# Tomcat install function  *
#***************************

# install tomcat
set_tomcat () {
  echo "install tomcat.."
  echo "wget Tomcat"
  edit_server
  download_crawl_result
}

# edit $Tomcat_HOME/conf/server.xml
edit_server () {
  echo "edit $Tomcat_HOME/conf/server.xml"
}

# download crawl result
download_crawl_result () {
  echo "download crawl result"
  echo "bin/hadoop dfs -get search /opt/search"
  echo "set search engine page to tomcat"
  echo "set search engine page source page"
}

start_up_tomcat () {
  echo "start up tomcat"
}