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#!/bin/bash

clear

# ----------------------------------------------------------------
# Variables
# ----------------------------------------------------------------

# Get current directory name
# ---------------------------------
currentPath=${PWD##*/}
# Generate random 12 character password
# ---------------------------------
defaultPassword=$(LC_CTYPE=C tr -dc A-Za-z0-9_\!\@\#\$\%\^\&\*\(\)-+= < /dev/urandom | head -c 24)

# Operating System
# ---------------------------------
case "$OSTYPE" in
  darwin*)  OS="OSX" ;;
  msys*)    OS="WINDOWS" ;;
  *)        OS="unknown: $OSTYPE" ;;
esac

# OSX
if [ "$OS" = "OSX" ]; then
	dbPath="/Applications/MAMP/Library/bin/"
fi
# Windows
if [ "$OS" = "WINDOWS" ]; then
	dbPath="C:\\MAMP\\bin\\mysql\\bin\\"
fi

# Colors
# ---------------------------------
yellow=`tput setaf 3`
cyan=`tput setaf 6`
red=`tput setaf 1`
nc=`tput sgr0`
bell=`tput bel`

echo "$yellow=================================================================================$cyan"               
echo "WordPress Installer for MAMP!!"
echo "$yellow=================================================================================$nc"
echo ""


# ----------------------------------------------------------------
# Functions
# ----------------------------------------------------------------

# Prompt function
# ---------------------------------
yesNoPrompt() {
	while :
		do
		read -p "$1" answer
		case "${answer}" in
			[nN]|[nN][oO]) exit 0 ;;
			[yY]|[yY][eE][sS]) exit 1 ;;
		esac
	done
}

# ----------------------------------------------------------------
# Site Info
# ----------------------------------------------------------------

# Set the site's name
# ---------------------------------
read -p "Site Name ( $currentPath ) : " siteName

# If $siteName is left blank then use current directory name
if [ -z "$siteName" ]; then
	siteName=$currentPath
	siteNameC=`echo "$currentPath" | awk '{print tolower($0)}' | sed 's/ /-/g'`
else
	siteNameC=`echo "$siteName" | awk '{print tolower($0)}' | sed 's/ /-/g'`
fi

# Set the site domain. Default is $siteName
# ---------------------------------
read -p "Site Domain ( $siteNameC.dev ) : " siteDomain

# If $siteDomain is left blank then use $sitenameC
if [ -z "$siteDomain" ]; then
	siteDomain=$siteNameC.dev
fi
# ----------------------------------------------------------------
# Database Info
# ----------------------------------------------------------------

# Set database name
# ---------------------------------
read -p "Database Name. Enter 1 to skip database creation ( $siteNameC ) : " databaseName

# If $databaseName is left blank then use $sitenameC
if [ -z "$databaseName" ]; then
	databaseName=$siteNameC
fi

if [ "$databaseName" != '1' ]; then
	# Set database username
	# ---------------------------------
	read -p "Database User ( root ) : " databaseUser

	# If $databaseUser is left blank then use "root"
	if [ -z "$databaseUser" ]; then
		databaseUser="root"
	fi

	# Set database password
	# ---------------------------------
	read -p "Database Password ( root ) : " databasePassword

	# If $databasePassword is left blank then use $defaultPassword
	if [ -z "$databasePassword" ]; then
		databasePassword=root
	fi

	# Set database host
	# ---------------------------------
	read -p "Database Host ( localhost ) : " databaseHost

	# If $databaseHost is left blank then use "localhost"
	if [ -z "$databaseHost" ]; then
		databaseHost="localhost"
	fi
fi
# ----------------------------------------------------------------
# WordPress Info
# ----------------------------------------------------------------

# Set WordPress version
# ---------------------------------
read -p "WordPress Version ( latest ) : " wpVersion
# If $wpVersion is left blank then use "latest"
if [ -z "$wpVersion" ]; then
	wpVersion="latest"
fi

if [ $wpVersion != "latest" ]; then
	wpVersion="wordpress-"$wpVersion""
fi

# Set WordPress table prefix
# ---------------------------------
read -p "WordPress Table Prefix ( wp_ ) : " wpPrefix
# If $wpPrefix is left blank then use "latest"
if [ -z "$wpPrefix" ]; then
	wpPrefix="wp_"
fi

# Set Enable WP_DEBUG
# ---------------------------------
if $( yesNoPrompt "Enable WP_DEBUG? ( y/n ): " ); then
	wpDebug="no"
else
	wpDebug="yes"
fi

if [ "$databaseName" != '1' ]; then
	# Set Database Import
	# ---------------------------------
	if $( yesNoPrompt "Would you like to import a database? ( y/n ): " ); then
		dbImport="no"
	else
		dbImport="yes"
	fi

	if [ "$dbImport" = yes ]; then
		# Import File
		read -p "Enter the path to the .sql file : " dbImportFile

		# If $wpPrefix is left blank then use "latest"
		if [ -z "$dbImportFile" ]; then
			dbImportFile="No File Added!"
		fi
	fi
fi

# Set Content Import
# ---------------------------------
if $( yesNoPrompt "Would you like to import a custom content? ( y/n ): " ); then
	contentImport="no"
else
	contentImport="yes"
fi


if [ "$contentImport" = yes ]; then
	# Import File
	read -p "Enter the git repo address : " contentImportFile

	# If $wpPrefix is left blank then use "latest"
	if [ -z "$contentImportFile" ];
		then
			contentImportFile="No File Added!"
	fi
fi

# ----------------------------------------------------------------
# Conformation Output
# ----------------------------------------------------------------

# Echo the user inputs for verification
echo ""
echo "$red=================================================================================$nc"

echo "Site Name: "$siteName""
echo "Domain: "$siteDomain""

# If database not skipped
# ---------------------------------
if [ "$databaseName" != '1' ]; then
	echo "Database Name: "$databaseName""
	echo "Database User: "$databaseUser""
	echo "Database Password: "$databasePassword""
	echo "Database Host: "$databaseHost""
fi
echo "WordPress Version: "$wpVersion""
echo "Table Prefix: "$wpPrefix""
echo "Debug: "$wpDebug""

# If database not skipped
# ---------------------------------
if [ "$databaseName" != '1' ]; then
	if [ "$dbImport" = yes ]; then
		echo "Database Import File: "$dbImportFile""
	fi
fi

if [ "$contentImport" = "yes" ]; then
	echo "Git repo address: "$contentImportFile""
fi

echo "$red=================================================================================$nc"
echo ""

# If no restart the script
# If yes continue
# ---------------------------------
if $( yesNoPrompt "Is This Correct? (y/n): " ); then
	exec "wpinstall.sh"
fi

# If no exit
# If yes continue
# ---------------------------------
if $( yesNoPrompt "Run the Install? (y/n): " );then
	echo "Exit"
	echo "$bell"
	exit
fi

# ----------------------------------------------------------------
# Begin Install
# ----------------------------------------------------------------

# Download WordPress
# ---------------------------------
echo "Downloading WordPress..."
curl -O https://wordpress.org/$wpVersion.tar.gz

# Unzip WordPress
# ---------------------------------
echo "Unzipping..."
tar -zxvf $wpVersion.tar.gz

# Change dir to wordpress
# ---------------------------------
cd wordpress

# Copy files to parent dir
# ---------------------------------
echo "Moving WordPress Files..."
cp -rf . ..

# Change dir to parent
# ---------------------------------
cd ..

# Create wp-config.php file
# ---------------------------------
echo "Creating wp-config.php..."
cp wp-config-sample.php wp-config.php
rm -R wp-config-sample.php

# ----------------------------------------------------------------
# wp-config.php Configuration
# ----------------------------------------------------------------

# Configure wp-config.php
# ---------------------------------
echo "Configuring wp-config.php..."

# Database Details
# ---------------------------------
perl -pi -e "s'database_name_here'"$databaseName"'g" wp-config.php
perl -pi -e "s'username_here'"$databaseUser"'g" wp-config.php
perl -pi -e "s'password_here'"$databasePassword"'g" wp-config.php
perl -pi -e "s/\'wp_\'/\'$wpPrefix\'/g" wp-config.php

# WP Salts
# ---------------------------------
perl -i -pe'
BEGIN {
	@chars = ("a" .. "z", "A" .. "Z", 0 .. 9);
	push @chars, split //, "!@#$%^&*()-_ []{}<>~\`+=,.;:/?|";
	sub salt { join "", map $chars[ rand @chars ], 1 .. 64 }
}
s/put your unique phrase here/salt()/ge' wp-config.php

# Debug
# ---------------------------------
debugFind="define\('WP_DEBUG', false\);"
debugReplace="define( 'WP_DEBUG', true ); \nif ( WP_DEBUG ) {\n\tdefine( 'WP_DEBUG_DISPLAY', false );\n\tdefine( 'WP_DEBUG_LOG', true );\n\tdefine( 'SCRIPT_DEBUG', true );\n\tdefine( 'JETPACK_DEV_DEBUG', true );\n\tdefine( 'DEVELOPMENT', true );\n}"

if [ $wpDebug = "yes" ]; then
	perl -pi -e "s{$debugFind}{$debugReplace}" wp-config.php
fi

# ----------------------------------------------------------------
# htaccess
# ----------------------------------------------------------------

# Add .htaccess file
# ---------------------------------
echo "Adding .htaccess file..."

# Write to .htaccess
# ---------------------------------
cat > .htaccess <<'EOL'
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
EOL

# ----------------------------------------------------------------
# Database Creation and Import
# ----------------------------------------------------------------
if [ "$databaseName" != '1' ]; then
	echo "Creating Database..."

	# Variables
	# ---------------------------------
	dbsetup="CREATE DATABASE IF NOT EXISTS \`"$databaseName"\` /*\!40100 DEFAULT CHARACTER SET utf8 */; GRANT ALL PRIVILEGES ON \`"$databaseName"\`.* TO "$databaseUser"@"$databaseHost"; FLUSH PRIVILEGES;"
	filename="${dbImportFile##*/}"

	# Create the database
	# ---------------------------------
	$dbPath/mysql -u $databaseUser -p$databasePassword -e "$dbsetup"

	# Import file
	# ---------------------------------
	if [ "$dbImport" = yes ]; then
		echo "Importing File: "$dbImportFile""
		# Copy file to current directory
		cp "$dbImportFile" .
		# Import the file
		case "$dbImportFile" in
			*.gz ) gunzip < $filename | $dbPath/mysql -u $databaseUser -p$databasePassword $databaseName ;;
			*.tgz | *.tar.gz ) tar xvzf < $filename | $dbPath/mysql -u $databaseUser -p$databasePassword $databaseName ;;
			*) $dbPath/mysql -u $databaseUser -p$databasePassword $databaseName < "$dbImportFile" ;;
		esac
		rm -r $dbImportFile
	fi
fi

# ----------------------------------------------------------------
# Clone repo
# ----------------------------------------------------------------

# Import Git Repo
# ---------------------------------
if [ "$contentImport" = yes ]; then
	rm -r wp-content
	git clone $contentImportFile wp-content
fi

# ----------------------------------------------------------------
# Cleanup
# ----------------------------------------------------------------

# Remove files from wordpress folder
# ---------------------------------
echo "Cleaning Up Install..."
rm -r wordpress
rm -r $wpVersion.tar.gz

# End
# ---------------------------------
echo "$yellow=================================================================================$cyan"               
echo "WordPress Installed!!"
echo "$yellow=================================================================================$nc"