#!/bin/sh

if [ $# -lt 5 ]
then
    echo USAGE: $0 '<AppleCommander> <machine> <diskimage> <binary>'
    exit 1
fi

if [ -z "$JAVA" ]
then
    for item in "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home" /Library/Java/JavaVirtualMachines/*/Contents/Home /usr
    do
        if [ -x "$item/bin/java" ]
        then
            JAVA="$item/bin/java"
            break
        fi
    done
fi

if [ -z "$JAVA" ]
then
    echo Cannot find a path to a Java runtime.
    echo Go to https://java.com/download if you do not have Java.
    echo If you do have Java, you may need to uncomment the JAVA
    echo line in the Makefile and set it to the path for your
    echo Java runtime binary.
    exit 1
fi

APPLECOMMANDER=$1
shift

MACHINE=$1
shift

DISKIMAGE=$1
shift

PROGRAM=$1
shift

STARTADDR=`echo $1 | sed 's/^0*//'`
shift

if [ ! -f "$PROGRAM" ]
then
    echo "Cannot file executable $PROGRAM"
    exit 1
fi

case "$MACHINE" in
    apple2)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=1
        RENAMELOADER=0
        DELETEBASIC=0
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    apple2enh)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=1
        RENAMELOADER=0
        DELETEBASIC=0
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    apple2-dos33)
        TEMPLATE="make/dos33_template.dsk"
        DELETELOADER=0
        RENAMELOADER=0
        DELETEBASIC=0
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=30
        ;;

    apple2enh-dos33)
        TEMPLATE="make/dos33_template.dsk"
        DELETELOADER=0
        RENAMELOADER=0
        DELETEBASIC=0
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=30
        ;;

    apple2-system)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=1
        RENAMELOADER=0
        DELETEBASIC=1
        HASHEADER=0
        FILETYPE="sys"
        TARGETFILE=`basename $PROGRAM`.system
        MAXFILENAMELEN=15
        ;;

    apple2enh-system)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=1
        RENAMELOADER=0
        DELETEBASIC=1
        HASHEADER=0
        FILETYPE="sys"
        TARGETFILE=`basename $PROGRAM`.system
        MAXFILENAMELEN=15
        ;;

    apple2-loader)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=0
        RENAMELOADER=1
        DELETEBASIC=1
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    apple2-reboot)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=0
        RENAMELOADER=1
        DELETEBASIC=1
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    apple2enh-loader)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=0
        RENAMELOADER=1
        DELETEBASIC=1
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    apple2enh-reboot)
        TEMPLATE="make/prodos_template.dsk"
        DELETELOADER=0
        RENAMELOADER=1
        DELETEBASIC=1
        HASHEADER=1
        FILETYPE="bin"
        TARGETFILE=`basename $PROGRAM`
        MAXFILENAMELEN=15
        ;;

    *)
        echo "Invalid machine type $MACHINE"
        exit 1
        ;;
esac

if [ ${#TARGETFILE} -gt $MAXFILENAMELEN ]
then
    echo "The filename $TARGETFILE exceeds the max name length of the filesystem ($MAXFILENAMELEN)"
    exit 1
fi

if [ ! -f "$TEMPLATE" ]
then
    echo "Cannot file template disk image $TEMPLATE"
    exit 1
fi

cp "$TEMPLATE" "$DISKIMAGE"

if [ $DELETELOADER -eq 1 ]
then
    "$JAVA" -jar "$APPLECOMMANDER" -d "$DISKIMAGE" LOADER.SYSTEM
fi

if [ $RENAMELOADER -eq 1 ]
then
    LOADERFILE=${TARGETFILE}.system
    if [ ${#LOADERFILE} -gt $MAXFILENAMELEN ]
    then
        echo "The filename $LOADERFILE exceeds the max name length of the filesystem ($MAXFILENAMELEN)"
        rm -f "$DISKIMAGE"
        exit 1
    fi
    "$JAVA" -jar "$APPLECOMMANDER" -g "$DISKIMAGE" LOADER.SYSTEM | "$JAVA" -jar "$APPLECOMMANDER" -p "$DISKIMAGE" "$LOADERFILE" sys
    "$JAVA" -jar "$APPLECOMMANDER" -d "$DISKIMAGE" LOADER.SYSTEM
fi

if [ $DELETEBASIC -eq 1 ]
then
    "$JAVA" -jar "$APPLECOMMANDER" -d "$DISKIMAGE" BASIC.SYSTEM
fi

if [ $HASHEADER -eq 1 ]
then
    HDR_STARTADDR=`od -t x2 -N 2 < "$PROGRAM" | head -1 | awk '{print $2}' | sed 's/^0*//'`
    if [ "$HDR_STARTADDR" = "$STARTADDR" ]
    then
       dd if="$PROGRAM" bs=4 skip=1 | "$JAVA" -jar "$APPLECOMMANDER" -p "$DISKIMAGE" "$TARGETFILE" $FILETYPE 0x$STARTADDR
   else
       "$JAVA" -jar "$APPLECOMMANDER" -p "$DISKIMAGE" "$TARGETFILE" $FILETYPE 0x$STARTADDR < "$PROGRAM"
    fi
else
    "$JAVA" -jar "$APPLECOMMANDER" -p "$DISKIMAGE" "$TARGETFILE" $FILETYPE < "$PROGRAM"
fi

for DIR in $*
do
    echo Write the code to copy $DIR to the disk image
    exit 1
done