#!/bin/bash

#
# --- adsdownload ---
# This script is part of the Automatic Download System.
# 
if [ ! -x `which mysql` ]
then
        echo "The MySQL command does not exist! Please install mysql first."
        exit 1
fi
    myname=$0
    if [ -s "$myname" ] && [ -x "$myname" ]
    then                   # $myname is already a valid file name
        mypath=$myname
    else
        case "$myname" in
        /*) exit 1;;             # absolute path - do not search PATH
        *)
            # Search all directories from the PATH variable. Take
            # care to interpret leading and trailing ":" as meaning
            # the current directory; the same is true for "::" within
            # the PATH.

            for dir in `echo "$PATH" | sed 's/^:/.:/g;s/::/:.:/g;s/:$/:./;s/:/ /g'`
            do
                [ -f "$dir/$myname" ] || continue # no file
                [ -x "$dir/$myname" ] || continue # not executable
                mypath=$dir/$myname
                break           # only return first matching file
            done
            ;;
        esac
    fi

    if [ -f "$mypath" ]
    then
        : # echo >&2 "DEBUG: mypath=<$mypath>"
    else
        echo >&2 "cannot find full path name: $myname"
        exit 1
    fi
    mypath=`dirname "$mypath"`
#path: $mypath
if [ "$1" = "bittorrent" ]
then
        "$mypath/adsdl_bittorrent" "$2" "$3" "$mypath" &
elif [ "$1" = "" ]
then
        echo "Usage:"
        echo "./adsdownload PROTOCOL URL DOWNLOADID"
        echo "This version of ADS supports:"
        echo "BitTorrent"
        echo "URL can be a direct path or a web path."
        echo "WARNING!! Please do not call this file !!WARNING"
        echo "WARNING!! from the shell directly!!    !!WARNING"
        echo "WARNING!! It needs variables that      !!WARNING"
        echo "WARNING!! should be given by the PHP   !!WARNING"
        echo "WARNING!! scripts of the ADS!!         !!WARNING"
else
        echo "ADS doesn't know the $1 protocol."
fi