#!/bin/sh

#
# Get package status via www.fedex.com
#


#
# Given a package tracking number request its status and pretty print
# information about it.
#
package_status()
{
	tracking_number=$1

	params='data={"TrackPackagesRequest":{"appType":"WTRK",'
	params=${params}'"appDeviceType":"DESKTOP","supportHTML":false,'
	params=${params}'"supportCurrentLocation":true,"uniqueKey":"",'
	params=${params}'"processingParameters":{},"trackingInfoList":'
	params=${params}'[{"trackNumberInfo":{"trackingNumber":'
	params=${params}"\"${tracking_number}\","
	params=${params}'"trackingQualifier":"","trackingCarrier":""}}]}}'
	params=${params}'&action=trackpackages&locale=en_US&version=1'
	params=${params}'&format=json'

	curl -d "${params}" -gs "https://www.fedex.com/trackingCal/track" |
	json2tsv | awk -F '\t' '
	BEGIN {
		bn = ".TrackPackagesResponse.packageList[].scanEventList[]"
	}

	$1 == bn 			{ n++ }
	$1 == bn ".date" 		{ events[n, "date"] = $3 }
	$1 == bn ".time" 		{ events[n, "time"] = $3 }
	$1 == bn ".gmtOffset"		{ events[n, "gmtoffset"] = $3 }
	$1 == bn ".status"		{ events[n, "status"] = $3 }
	$1 == bn ".scanLocation"	{ events[n, "location"] = $3 }

	END {
		for (i = n; i >= 1; i--) {
			printf("%s %s %s\n",
			    events[i, "date"], events[i, "time"],
			    events[i, "gmtoffset"])
			if (events[i, "location"])
				printf("%s - ", events[i, "location"])
			printf("%s\n", events[i, "status"])

			if (i > 1)
				printf("\n")
		}
	}
'
}


if [ $# -lt 1 ]; then
	echo "usage: $(basename $0) tracking_number ..."
	exit 1
fi


for t in "$@"; do
	package_status "$1"
done