#!/bin/sh -e

set -e

TMPFILE="out.$$"
URLFILE="urls.$$"
# TRACEFILE="/dev/tty"

# create temp files
# shellcheck disable=SC2064
rm -f $TMPFILE $URLFILE && touch $TMPFILE &&
trap "rm ./$TMPFILE ./$URLFILE" 0 || exit 2
echo "/over/the/rainbow /over/the/rainbow" > $URLFILE

# build up the command line
# for mawk, add -Wi or -W interactive to avoid buffered read on fifo
overrides="-v urlfile=$URLFILE -f add-urls.awk -v tracefile=$TRACEFILE"
command="awk -f ./http-redirect.awk $overrides"

awk -f ./test.awk -v "resultfile=$TMPFILE" -v "tracefile=$TRACEFILE"

# remember the CR in your expect

test="1 test absolute URI"
expect='^location: https://somewhere.example.com/over/the/rainbow.$'
$command << HERE > $TMPFILE
GET http://somewhere.example.com/over/the/rainbow HTTP/1.1
Host: elsewhere.example

HERE

if grep -is "$expect" $TMPFILE
then
    echo "PASS $test"
else
    echo "FAIL $test"
    echo "Expected to find >'$expect'< in :"
    cat $TMPFILE
    false
fi

test="2 Test no absolute-path in URI"
expect='^location: https://somewhere.example/.$'
$command << HERE > $TMPFILE
GET http://somewhere.example HTTP/1.1
Host: elsewhere.example

HERE

if grep -is "$expect" $TMPFILE
then
    echo "PASS $test"
else
    echo "FAIL $test"
    echo "Expected to find >'$expect'< in :"
    cat $TMPFILE
    false
fi


test="3 test generic 1.1 client"
expect='^location: https://elsewhere.example/over/the/rainbow.$'
$command << HERE > $TMPFILE
GET /over/the/rainbow HTTP/1.1
Host: elsewhere.example

HERE

if grep -is "$expect" $TMPFILE
then
    echo "PASS $test"
else
    echo "FAIL $test"
    echo "Expected to find >'$expect'< in :"
    cat $TMPFILE
    false
fi



test="4 test generic 1.1 client"
expect='^location: https://somewhere.com/over/the/rainbow.$'
$command << HERE > $TMPFILE
GET /over/the/rainbow HTTP/1.1
not-host: elsewhere.example
x-host: elsewhere.example.com
 ( comment )
host: somewhere.com
host2: else.where.example.com

HERE


if grep -is "$expect" $TMPFILE
then
    echo "PASS $test"
else
    echo "FAIL $test"
    echo "Expected to find >'$expect'< in :"
    cat $TMPFILE
    false
fi



echo all tests passed