#!/usr/bin/perl

$program = $0;
$program =~ s|.*/||;
$| = 1;

unshift(@INC, $ENV{'DELIVERPATH'});
require 'audit.pl' || die "$program: cannot include audit.pl: $@";
require 'mh.pl' || die "$program: cannot include mh.pl: $@";

@SW = (
	'-debug',
	'-draft',
        '-file file',
	'-help',
	'-link',
	'-log +folder',		# defaults to +log
	'-nolink',
	'-nopreserve',
	'-preserve',
  	'-rmmproc program',
	'-src +folder',		# defaults to current folder
	'-verbose',
      );


&mh_profile();
&mh_parse();


defined($SW{'help'}) && do {
    print "syntax: $program [msgs] [switches]\n";
    &print_switches();
    exit;
};


@args = (defined(@MSGS) ? @MSGS : @ARGV);


$logdir = $SW{'log'} || $MH{'logdir'} || "+log";
($logdir = '+' . $logdir) if ($logdir !~ /\+/);
$folder = `mhpath cur`; chop $folder; $folder =~ s|/\d+$||;
$folder = $SW{'src'} if defined($SW{'src'});
($folder = '+' . $folder) if ($folder !~ /\+/);


$SW{'file'} = "$MH{'path'}/draft" if defined($SW{'draft'});
if (defined($SW{'file'})) {
    @paths = ($file);
} else {
    @paths = `mhpath $folder @args`; chop @paths;
};


@refileargs = ( );
for ('link', 'nolink', 'preserve', 'nopreserve') {
    push(@refileargs, "-$_") if defined($SW{$_});
};
push(@refileargs, "-rmmproc", $SW{'rmmproc'}) if defined($SW{'rmmproc'});


foreach $msg (@paths) {
    open(MESSAGE, "< $msg") || next;

    &local_parse_message(MESSAGE);

    # -----
    # if -from was specified use the From line; if -to is specified use
    # the To line. 
    #
    $header = $headers{'from'} if ($program eq "refilefrom");
    $header = $headers{'to'} if ($program eq "refileto");
    $header = $header . ',' . $headers{'cc'} if 
	(($program eq "refileto") && defined($headers{'cc'}));

    @nfolders = ( ); 
    foreach $addr (split(',', $header)) {
       ($friendly, $address, $name, $org) = &parse_email_address($addr);
       $org = "local" if ($org eq "unknown");
       push(@nfolders, "$logdir/$org/$name");
    };

    @mfolders = ( );
    foreach $folder (@nfolders) {
       $fpath = `mhpath $folder`; chop $fpath;
       if (-d $fpath || ! &make_mhpath($fpath)) {
           push(@mfolders, $folder);
       } else {
	   warn "cannot make directory $fpath: $!\n";
       };
    };

    print "refile @refileargs -file $msg @mfolders\n" if 
	(@mfolders && defined($SW{'verbose'}));
    system "refile -file $msg @mfolders" if 
	(@mfolders && !defined($SW{'debug'}));

    close(MESSAGE);
};


# =====
# Subroutine local_parse_message
#	A simplified version of parse_message that does
#	not care about the body of the message
#
sub local_parse_message {
    local(*INFILE) = @_;
    local($header, $body, $mheader);

    $/ = '';		# read input in paragraph mode
    %headers = ( );
    @received = ( );

    $header = <INFILE>;
    $/ = "\n";		
    $* = 0;

    # -----
    # fill out the headers associative array with fields from the mail
    # header.
    #
    $_ = $header;
    s/\n\s+//g;
    @lines = split('\n');
    for ( @lines ) {
	/^(\w*):\s*(.*)/ && do {
	    $mheader = $1;
	    $mheader =~ tr/A-Z/a-z/;
	    if (($mheader eq "cc" || $mheader eq "to") && $headers{$mheader}) {
		$headers{$mheader} .= ", $2";
	    } else {
		$headers{$mheader} = $2;
	    };
	};
    }

    return;
}