#!/bin/zsh -f

# April 17, 2007:  Fixed to work with URLs lacking ~username

# set -x

# cds, when issued from the command prompt in Terminal, iTerm, or xterm,  will cd 
# into the directory corresponding to the web page displayed in Safari.


# Put your top-level server directory here:

if [[ -z $PUBLIC_HTML ]];then

    if [[ -d /Users/$USER/public_html ]];then
        PUBLIC_HTML=/Users/$USER/public_html
    else
        PUBLIC_HTML=/Users/$USER/Sites
    fi
fi

##########

# Change this to your domain:

# MY_DOMAIN='chemistry.ucsc.edu'

# This guesses your domain name if you haven't defined MY_DOMAIN 

if  [[ -z $MY_DOMAIN ]];then
function GetTheDomain {
osascript << eof
tell app "Finder"
    activate
    tell app "Safari"
        do javaScript "document.domain" in document 1
    end tell
end tell

eof
       
}  

MY_DOMAIN="$(GetTheDomain | perl -p -e 's|www.||g' )"



print ""
print "\e[1m WARNING:  Improvising with MY_DOMAIN set to $MY_DOMAIN  \e[0m"
print ""
print "If this is incorrect, please export your server domain with"
print "\e[1m export MY_DOMAIN='my.webserver.domain' \e[0m for http://www.my.webserver.domain "
print ""


fi

##########


# set these to your website root, various aliases.  Do not leave unused ones undefined, 
# unused ones will do no harm.


function return_focus {
    if [[ $TERM_PROGRAM == iTerm.app ]]; then
        /usr/bin/open -a iTerm
        # Returns focus to iTerm.app
        #
    elif [[ $TERM_PROGRAM == Apple_Terminal ]]; then
        /usr/bin/open -a Terminal
        # Returns focus to Terminal.app
        #
    else
        /usr/bin/open -a X11
        # Returns focus to xterm, i.e., X11.app
                fi
}

function GetTheUrl {
osascript << eof
tell app "Finder"
    activate
    tell app "Safari"
        do javaScript "document.URL" in document 1
    end tell
end tell
eof

}


output=($(GetTheUrl)  )

print "The URL of the page being displayed in Safari is currently: "
print $output
print ""


relfile=($( print $output | perl -p -e "s;http://(www\.)?$MY_DOMAIN/(%7E|%7e|\~)?$USER;$PUBLIC_HTML;g" ))


# print $relfile

if [[ -d $relfile ]];then
    relfile=$relfile/index.html
fi

reldir=($(dirname $relfile))

#### set -x

if [[ ! -d $reldir ]];then
	# Try again
	relfile=($( print $output | perl -p -e "s;http://(www\.)?$MY_DOMAIN;$PUBLIC_HTML;g" ))
	if [[ $relfile != *.html ]];then 
		if [[ -d $relfile ]];then
		    relfile=$relfile/index.html
			reldir=($(dirname $relfile))
		fi
		#reldir=($(dirname $relfile))
	else
		relfile=$relfile
	fi
	
	if [[ ! -d $reldir ]];then
		# Try swapping Sites for public_html
		PUBLIC_HTML=/Users/$USER/Sites
		relfile=($( print $output | perl -p -e "s;http://(www\.)?$MY_DOMAIN;$PUBLIC_HTML;g" ))
		if [[ -d $relfile ]];then
		    relfile=$relfile/index.html
		fi
		reldir=($(dirname $relfile))
		if [[ -d $relfile ]];then
    		print "$reldir does not appear to be part of this file-system"
    		print "$0 now terminating with extreme prejudice."
    		print ""
    		return 99
		fi
	fi
fi

#### set +x

cd $reldir
return_focus
print "Changing directories to $PWD"
PUBLIC_HTML=""
MY_DOMAIN=""