#!/bin/sh
# -*- mode: Tcl -*-
# ======================================================================
#  AUTHOR:  Derrick S. Kearney, Purdue University
#  Copyright (c) 2004-2012  HUBzero Foundation, LLC
#
#  See the file "license.terms" for information on usage and
#  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
# ======================================================================
#\
exec wish "$0" "$@"

package require Rappture

proc printHelp {} {
    set help {
encodedata [OPTIONS] <infile> <outfile>

simulator simulator - simulate simulation

OPTIONS:
 -as z|b64|zb64      - how to encode the file
 -no-header          - don't include the header
}
    puts $help
    exit 0
}


proc parseOptions {listVar returnVar} {
    upvar $listVar argv
    upvar $returnVar params

    set argc [llength $argv]
    for {set i 0} {$i < $argc} {incr i} {
        set opt [lindex $argv $i]
        if {("-as" == $opt)} {
            if {[expr {$i+1}] < $argc} {
                incr i
                set params(-as) [lindex $argv $i]
            } else {
                printHelp
            }
        } elseif {("-no-header" == $opt)} {
            set params(-no-header) "-no-header"
        } else {
            # place all extra params in the params array
            lappend params(oParams) $opt
        }
    }
}

proc main {argv} {
    array set params {
        -as "zb64"
        -no-header ""
        oParams {}
    }

    parseOptions argv params

    if {[llength $params(oParams)] < 2} {
        printHelp
        return
    }
    set infile [lindex $params(oParams) 0]
    set outfile [lindex $params(oParams) 1]

    if {[catch {
            set fid [open $infile r]
            fconfigure $fid -translation binary
            set info [read $fid]
            close $fid
         }] != 0 } {
        puts "could not open $infile for reading"
        return
    }

    puts "as = $params(-as)"
    puts "header = $params(-no-header)"

    # FIXME: i hate this
    if {"" != $params(-no-header)} {
        set encdata [Rappture::encoding::encode -as $params(-as) $params(-no-header) -- $info]
    } else {
        set encdata [Rappture::encoding::encode -as $params(-as) -- $info]
    }

    if {[catch {
            set fid [open $outfile w]
            fconfigure $fid -translation binary
            puts $fid $encdata
            close $fid
         }] != 0 } {
        puts "could not open $outfile for writing"
        return
    }

}

main $argv
exit 0