#!/bin/bash

# This is a shell script to add the parts required to create a
# FreePBX image to run on the WARP to a check out of the unmodified
# version of pads. It will do all the work to add the code required,
# patch the code, set up the config file. Once the script is run,
# you will be able to just run make like in any other build of PADS.
#
# Note that this script must be run in the root of a checked out 
# version of pads
# 

# Declare variables we need
BASE_DIR=`pwd`
PACKAGE_DIR="$BASE_DIR/package"
FREEPBX_PACKAGE_DIR="$BASE_DIR/../packages"
RUN_ONCE_TEST="$BASE_DIR/.preprocessed"

# Should only run this script once, check if we have already
if [[ ( -f $RUN_ONCE_TEST ) ]]; then
echo "preprocess script already been run, exit success and keep going"
exit 0
fi

# Do a simple check we are in the base of a pads checkout
if [[ ( ! -d ./package ) && ( ! -d ./bin ) && ( ! -d ./utils ) && ( ! -d ./config ) && ( ! -f Makefile ) ]]; then
echo "preprocess script cannot detect being in base of a PADS checkout"
echo "Do you want to try and continue (y/n)"
read choice
if [ $choice == "n" ]; then
echo "Exiting. Please rerun script in the base of a PADS folder"
exit 0
fi
fi


# Let's move the code we need to modify PADS for FreePBX if 
# it has not already been done, check for freepbx package moved
cd $BASE_DIR
if [[ ( ! -d $PACKAGE_DIR/freepbx ) ]]; then
	# Copy packages into PADS directory
	echo "Copying the FreePBX packages"
	cp -r $FREEPBX_PACKAGE_DIR/* $PACKAGE_DIR
fi

#
# let's set package build list defaults
#
cd $PACKAGE_DIR
# Turn off packages we need to in the standard PADS 
echo "Turn off packages we need to in the standard PADS"
sed -i "s|default y|default n|" $PACKAGE_DIR/asterisk-gui/Config.in
sed -i "s|default y|default n|" $PACKAGE_DIR/httpd/Config.in
# Turn on packages we need to in the standard PADS 
sed -i "s|default n|default y|" $PACKAGE_DIR/zoneinfo/Config.in
sed -i "s|default n|default y|" $PACKAGE_DIR/sqlite/Config.in


# Update the base Makefile to increase inodes
sed -i "s|-i 2048 |-i 2520 |" $BASE_DIR/Makefile


# Patch the code we need to
cd $PACKAGE_DIR
echo "Patch the default packages we need to for FreePBX."
patch -p1 < patches/Config.in.patch
sed -i "s|source \"package/extra_packages/Config.in|#source \"package/extra_packages/Config.in|" $PACKAGE_DIR/Config.in

patch -p1 < patches/skeleton/skeleton.patch
cp patches/skeleton/rc.local.freepbx skeleton/etc/

patch -p1 < patches/busybox.patch
patch -p1 < patches/sqlite.patch
patch -p1 < patches/libxml.patch
patch -p1 < patches/tftpd.patch
patch -p1 < patches/chan_pika.mk.patch

patch -p1 < patches/asterisk.mk.patch
sed -i "s|TARGET_DIR)/var|PERSISTENT1_STORAGE)/var|" $PACKAGE_DIR/asterisk/asterisk.mk
sed -i "s|PERSISTENT_STORAGE)/var|PERSISTENT1_STORAGE)/var|" $PACKAGE_DIR/asterisk/asterisk.mk

# Replace the code we have to in the stock checkout.
echo "Replace the default packages we need to for FreePBX."
rm -rf $PACKAGE_DIR/autoflash/*
cp -r $PACKAGE_DIR/patches/autoflash/* $PACKAGE_DIR/autoflash/
rm -rf $PACKAGE_DIR/php/*
cp -r $PACKAGE_DIR/patches/php/* $PACKAGE_DIR/php/

# Should only run this script once, mark that we have already
touch $RUN_ONCE_TEST

echo ""
echo "Standard PADS has been patched to build"
echo "a FreePBX enabled set of WARP images."
echo ""