#!/bin/bash

if test ! -x ./examples/sftpclient/wolfsftp
then
    echo "This test requires the wolfSFTP client."
    exit 1
fi

if test ! -x ./examples/echoserver/echoserver
then
    echo "This test requires the wolfSSH echoserver."
    exit 1
fi

SERVER_PID=0
READY_FILE=$(pwd)/wolfssh_sftp_ready$$
READY_COUNTER=0


wait_for_server() {
    while [ ! -s "$READY_FILE" ] && [ "$READY_COUNTER" -lt 20 ]; do
        sleep 0.1
        READY_COUNTER=$((READY_COUNTER+ 1))
    done

    if test -e "$READY_FILE"
    then
        # get created port 0 ephemeral port
        PORT=$(cat "$READY_FILE")
    else
        echo "Echoserver never started."
        do_cleanup
        exit 1
    fi
}


do_cleanup() {
    rm -f "$READY_FILE" sample1.txt sample2.txt sample1-copy.txt sample2-copy.txt
    if test $SERVER_PID != 0
    then
        kill -9 $SERVER_PID
    fi
}


do_trap() {
    do_cleanup
    exit 1
}


trap do_trap INT TERM


./examples/echoserver/echoserver -d "$(pwd)" -R "$READY_FILE" >/dev/null 2>&1 &

SERVER_PID=$!
wait_for_server

echo "This is some sample test to make a file to copy back and forth." > sample1.txt
echo "This is a different set of sample text to copy back and forth." > sample2.txt

# Get test.
if ! ./examples/sftpclient/wolfsftp -u jill -P upthehill -p "$PORT" \
    -G -l sample1-copy.txt -r sample1.txt
then
    echo "Unable to get file."
    do_cleanup
    exit 1
fi

# Put test.
if ! ./examples/sftpclient/wolfsftp -u jill -P upthehill -p "$PORT" \
    -g -l sample2.txt -r sample2-copy.txt
then
    echo "Unable to put file."
    do_cleanup
    exit 1
fi

if ! diff sample1.txt sample1-copy.txt >/dev/null
then
    echo "Get test files do not match."
    do_cleanup
    exit 1
fi

if ! diff sample2.txt sample2-copy.txt >/dev/null
then
    echo "Put test files do not match."
    do_cleanup
    exit 1
fi

do_cleanup