#!/usr/bonsaitools/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
#                 Dan Mosedale <dmose@mozilla.org>
#                 Alan Raetz <al_raetz@yahoo.com>
#                 David Miller <justdave@syndicomm.com>
#                 Christopher Aillon <christopher@aillon.com>

use diagnostics;
use strict;

require "CGI.pl";

use RelationSet;

# Shut up misguided -w warnings about "used only once".  "use vars" just
# doesn't work for me.
sub sillyness {
    my $zz;
    $zz = $::defaultqueryname;
    $zz = $::usergroupset;
}

my $userid;

my $showNewEmailTech;

# Note the use of arrays instead of hashes: we want the items
# displayed in the same order as they appear in the array.

my @emailGroups = (
        'Owner',        'the Bug Owner',
        'Reporter',     'the Reporter',
        'QAcontact',    'the QA contact',
        'CClist',       'on the CC list',
        'Voter',        'a Voter'
        );

my @emailFlags = (
        'Removeme',     'When I\'m added to or removed from this capacity',
        'Comments',     'New Comments',
        'Attachments',  'New Attachments',
        'Status',       'Priority, status, severity, and milestone changes',
        'Resolved',     'When the bug is resolved or verified',
        'Keywords',     'Keywords field changes',
        'CC',           'CC field changes',
        'Other',        'Any field not mentioned above changes'
        );

my $defaultEmailFlagString =
        'ExcludeSelf~'               . 'on~' .

        'emailOwnerRemoveme~'        . 'on~' .
        'emailOwnerComments~'        . 'on~' .
        'emailOwnerAttachments~'     . 'on~' .
        'emailOwnerStatus~'          . 'on~' .
        'emailOwnerResolved~'        . 'on~' .
        'emailOwnerKeywords~'        . 'on~' .
        'emailOwnerCC~'              . 'on~' .
        'emailOwnerOther~'           . 'on~' .

        'emailReporterRemoveme~'     . 'on~' .
        'emailReporterComments~'     . 'on~' .
        'emailReporterAttachments~'  . 'on~' .
        'emailReporterStatus~'       . 'on~' .
        'emailReporterResolved~'     . 'on~' .
        'emailReporterKeywords~'     . 'on~' .
        'emailReporterCC~'           . 'on~' .
        'emailReporterOther~'        . 'on~' .

        'emailQAcontactRemoveme~'    . 'on~' .
        'emailQAcontactComments~'    . 'on~' .
        'emailQAcontactAttachments~' . 'on~' .
        'emailQAcontactStatus~'      . 'on~' .
        'emailQAcontactResolved~'    . 'on~' .
        'emailQAcontactKeywords~'    . 'on~' .
        'emailQAcontactCC~'          . 'on~' .
        'emailQAcontactOther~'       . 'on~' .

        'emailCClistRemoveme~'       . 'on~' .
        'emailCClistComments~'       . 'on~' .
        'emailCClistAttachments~'    . 'on~' .
        'emailCClistStatus~'         . 'on~' .
        'emailCClistResolved~'       . 'on~' .
        'emailCClistKeywords~'       . 'on~' .
        'emailCClistCC~'             . 'on~' .
        'emailCClistOther~'          . 'on~' .

        'emailVoterRemoveme~'        . 'on~' .
        'emailVoterComments~'        . 'on~' .
        'emailVoterAttachments~'     . 'on~' .
        'emailVoterStatus~'          . 'on~' .
        'emailVoterResolved~'        . 'on~' .
        'emailVoterKeywords~'        . 'on~' .
        'emailVoterCC~'              . 'on~' .
        'emailVoterOther~'           . 'on' ;

sub EmitEntry {
    my ($description, $entry) = (@_);
    print qq{<TR><TH ALIGN="right">$description:</TH><TD>$entry</TD></TR>\n};
}

sub Error {
    my ($msg) = (@_);
    print qq{
$msg
<P>
Please hit <B>back</B> and try again.
};
    PutFooter();
    exit();
}


sub ShowAccount {
    SendSQL("SELECT realname FROM profiles WHERE userid = $userid");
    my ($realname) = (FetchSQLData());

    $realname = value_quote($realname);
        
    EmitEntry("Old password",
              qq|<input type=hidden name="Bugzilla_login" value="$::COOKIE{Bugzilla_login}">| .
              qq|<input type=password name="Bugzilla_password">|);
    EmitEntry("New password",
              qq{<input type=password name="pwd1">});
    EmitEntry("Re-enter new password", 
              qq{<input type=password name="pwd2">});
    EmitEntry("Your real name (optional)",
              qq{<INPUT SIZE=35 NAME="realname" VALUE="$realname">});
}

sub SaveAccount {
    if ($::FORM{'Bugzilla_password'} ne ""
        || $::FORM{'pwd1'} ne "" || $::FORM{'pwd2'} ne "") {
        my $old = SqlQuote($::FORM{'Bugzilla_password'});
        my $pwd1 = SqlQuote($::FORM{'pwd1'});
        my $pwd2 = SqlQuote($::FORM{'pwd2'});
        SendSQL("SELECT cryptpassword FROM profiles WHERE userid = $userid");
        my $oldcryptedpwd = FetchOneColumn();
        if ( !$oldcryptedpwd ) {
            Error("I was unable to retrieve your old password from the database.");
        }
        if ( crypt($::FORM{'Bugzilla_password'}, $oldcryptedpwd) ne $oldcryptedpwd ) {
            Error("You did not enter your old password correctly.");
        }
        if ($pwd1 ne $pwd2) {
            Error("The two passwords you entered did not match.");
        }
        if ($::FORM{'pwd1'} eq '') {
            Error("You must enter a new password.");
        }
        my $passworderror = ValidatePassword($::FORM{'pwd1'});
        Error($passworderror) if $passworderror;

        my $cryptedpassword = SqlQuote(Crypt($::FORM{'pwd1'}));
        SendSQL("UPDATE  profiles 
                 SET     cryptpassword = $cryptedpassword 
                 WHERE   userid = $userid");
    }
    SendSQL("UPDATE profiles SET " .
            "realname = " . SqlQuote(trim($::FORM{'realname'})) .
            " WHERE userid = $userid");
}

#
# Set email flags in database based on the parameter string.
#
sub setEmailFlags ($) {

    my $emailFlagString = $_[0];

    SendSQL("UPDATE profiles SET emailflags = " .
            SqlQuote($emailFlagString) . " WHERE userid = $userid");
}


sub ShowEmailOptions () {

    if (Param("supportwatchers")) {
        my $watcheduserSet = new RelationSet;
        $watcheduserSet->mergeFromDB("SELECT watched FROM watch WHERE" .
                                    " watcher=$userid");
        my $watchedusers = $watcheduserSet->toString();

        print qq{
<TR><TD COLSPAN="4"><HR></TD></TR>
<TR><TD COLSPAN="4">
If you want to help cover for someone when they're on vacation, or if
you need to do the QA related to all of their bugs, you can tell bugzilla
to send mail related to their bugs to you also.  List the email addresses
of any users you wish to watch here, separated by commas.
</TD></TR>};

        EmitEntry("Users to watch",
              qq{<INPUT SIZE=35 NAME="watchedusers" VALUE="$watchedusers">});
    }

    print qq{<TR><TD COLSPAN="2"><HR></TD></TR>};

    showAdvancedEmailFilterOptions();

print qq {
<TABLE CELLSPACING="0" CELLPADDING="10" BORDER=0 WIDTH="100%">
<TR><TD>};

}

sub showAdvancedEmailFilterOptions () {

    my $flags;
    my $notify;
    my %userEmailFlags = ();

    print qq{
        <TR><TD COLSPAN="2"><center>
        <font size=+1>Advanced Email Filtering Options</font>
        </center>
        </TD></TR><tr><td colspan="2">
        <p>
        <center>
        If you don't like getting a notification for "trivial"
        changes to bugs, you can use the settings below to
        filter some (or even all) notifications.
        </center></td></tr></table>
       <hr width=800 align=center>
    };

    SendSQL("SELECT emailflags FROM profiles WHERE userid = $userid");

    ($flags) = FetchSQLData();

    # if the emailflags haven't been set before, that means that this user 
    # hasn't been to (the email pane of?) userprefs.cgi since the change to 
    # use emailflags.  create a default flagset for them, based on
    # static defaults. 
    #
    if ( !$flags ) {
        $flags = $defaultEmailFlagString;
        setEmailFlags($flags);
    }

    # the 255 param is here, because without a third param, split will
    # trim any trailing null fields, which causes perl to eject lots of
    # warnings.  any suitably large number would do.
    #
    %userEmailFlags = split(/~/ , $flags, 255);

    showExcludeSelf(\%userEmailFlags);

    # print STDERR "$flags\n";

    print qq{
                <hr width=800 align=left>
                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                  <b>Field/recipient specific options:</b><br><br>
              };


    my @tmpGroups = @emailGroups;
    while ((my $groupName,my $groupText) = splice(@tmpGroups,0,2) ) {
        printEmailPrefGroup($groupName,$groupText,\%userEmailFlags);
    }

}

sub showExcludeSelf (\%) {

     my %CurrentFlags = %{$_[0]};
     
     my $excludeSelf = " ";

     while ( my ($key,$value) = each (%CurrentFlags) ) {

     # print qq{flag name: $key    value: $value<br>};

        if ( $key eq 'ExcludeSelf' ) {

                if ( $value eq 'on' ) {

                        $excludeSelf = "CHECKED";
                        }
                }
        }

        print qq {
                <table><tr><td colspan=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                <b>Global options:</b></tr>
                <tr><td width=150></td><td>
                Do not email me bugs that I change
             <input type="checkbox" name="ExcludeSelf" VALUE="on" $excludeSelf>
                <br>
                </td>
                </tr>
                </table>
                };

}

sub printEmailPrefGroup ($$\%) {

    my ($groupName,$textName,$refCurrentFlags) = @_[0,1,2];
    my @tmpFlags = @emailFlags;

    print qq {<table cellspacing=0 cellpadding=6> };
    print qq {<tr><td colspan=2> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                When I\'m $textName, email me:</td></tr> };

    while ((my $flagName,my $flagText) = splice(@tmpFlags,0,2)) {

        printEmailOption($groupName . $flagName, $flagText, $refCurrentFlags);
    }
    print qq { </table> };
    print qq { <hr WIDTH=320 ALIGN=left> };
}

sub printEmailOption ($$\%) {

    my $value= '';

    my ($optionName,$description,$refCurrentFlags) = @_[0,1,2];

    #print qq{ email$optionName: $$refCurrentFlags{"email$optionName"} <br>};

    # if the db value is 'on', then mark that checkbox
    if ($$refCurrentFlags{"email$optionName"} eq 'on'){
        $value = 'CHECKED';
    }

    # **** Kludge ... also mark on if the value in $$refCurrentFlags in undef
    if (!defined($$refCurrentFlags{"email$optionName"})) {
        $value = 'CHECKED';
    }

    print qq{
        <tr><td width=320></td>
        <td><input type="checkbox" name="email$optionName" VALUE="on" $value>
        $description</td>
        </tr>
    };
}

sub SaveEmailOptions () {

    # I don't understand: global variables and %FORM variables are
    # not preserved between ShowEmailOptions() and SaveEmailOptions()
    # The form value here is from a hidden variable just before the SUBMIT.

    my $useNewEmailTech = $::FORM{'savedEmailTech'};
    my $updateString;

    if ( defined $::FORM{'ExcludeSelf'}) {
        $updateString .= 'ExcludeSelf~on';
    } else {
        $updateString .= 'ExcludeSelf~';
    }
    my @tmpGroups = @emailGroups;

    while ((my $groupName,my $groupText) = splice(@tmpGroups,0,2) ) {

        my @tmpFlags = @emailFlags;

        while ((my $flagName,my $flagText) = splice(@tmpFlags,0,2) ) {

            my $entry = 'email' . $groupName . $flagName;
            my $entryValue;

            if (!defined $::FORM{$entry} ) {
                $entryValue = "";
            } else {
                $entryValue = $::FORM{$entry};
            }

            $updateString .= '~' . $entry . '~' . $entryValue;
        }
    }
        
    #open(FID,">updateString");
    #print qq{UPDATE STRING: $updateString <br>};
    #close(FID);

    SendSQL("UPDATE profiles SET emailflags = " .
            SqlQuote($updateString) . " WHERE userid = $userid");

    if (Param("supportwatchers") ) {

        if (exists $::FORM{'watchedusers'}) {

            # Just in case.  Note that this much locking is actually overkill:
            # we don't really care if anyone reads the watch table.  So 
            # some small amount of contention could be gotten rid of by
            # using user-defined locks rather than table locking.
            #
            SendSQL("LOCK TABLES watch WRITE, profiles READ");

            # what the db looks like now
            #
            my $origWatchedUsers = new RelationSet;
            $origWatchedUsers->mergeFromDB("SELECT watched FROM watch WHERE" .
                                           " watcher=$userid");

            # update the database to look like the form
            #
            my $newWatchedUsers = new RelationSet($::FORM{'watchedusers'});
            my @CCDELTAS = $origWatchedUsers->generateSqlDeltas(
                                                             $newWatchedUsers, 
                                                             "watch", 
                                                             "watcher", 
                                                             $userid,
                                                             "watched");
            $CCDELTAS[0] eq "" || SendSQL($CCDELTAS[0]);
            $CCDELTAS[1] eq "" || SendSQL($CCDELTAS[1]);

            # all done
            #
            SendSQL("UNLOCK TABLES");
        
        }
    }
}



sub ShowFooter {
    SendSQL("SELECT mybugslink FROM profiles " .
            "WHERE userid = $userid");
    my ($mybugslink) = (FetchSQLData());
    my $entry =
        BuildPulldown("mybugslink",
                      [["1", "should appear"],
                       ["0", "should not be displayed"]],
                      $mybugslink);
    EmitEntry("The 'My bugs' link at the footer of each page", $entry);
    SendSQL("SELECT name, linkinfooter FROM namedqueries " .
            "WHERE userid = $userid");
    my $count = 0;
    while (MoreSQLData()) {
        my ($name, $linkinfooter) = (FetchSQLData());
        if ($name eq $::defaultqueryname) {
            next;
        }
        my $entry =
            BuildPulldown("query-$count",
                          [["0", "should only appear in the query page"],
                           ["1", "should appear on the footer of every page"]],
                          $linkinfooter);
        EmitEntry("Your query named '$name'", $entry);
        my $q = value_quote($name);
        print qq{<INPUT TYPE=HIDDEN NAME="name-$count" VALUE="$q">\n};
        $count++;
    }
    print qq{<INPUT TYPE=HIDDEN NAME="numqueries" VALUE="$count">\n};
    if (!$count) {
        print qq{
<TR><TD COLSPAN="4">                            
If you go create remembered queries in the <A HREF="query.cgi">query page</A>,
you can then come to this page and choose to have some of them appear in the 
footer of each Bugzilla page.
</TD></TR>};
    }
}
              
    
sub SaveFooter {
    my %old;
    SendSQL("SELECT name, linkinfooter FROM namedqueries " .
            "WHERE userid = $userid");
    while (MoreSQLData()) {
        my ($name, $linkinfooter) = (FetchSQLData());
        $old{$name} = $linkinfooter;
    }
    
    for (my $c=0 ; $c<$::FORM{'numqueries'} ; $c++) {
        my $name = $::FORM{"name-$c"};
        if (exists $old{$name}) {
            my $new = $::FORM{"query-$c"};
            if ($new ne $old{$name}) {
                SendSQL("UPDATE namedqueries SET linkinfooter = $new " .
                        "WHERE userid = $userid " .
                        "AND name = " . SqlQuote($name));
            }
        } else {
            Error("Hmm, the $name query seems to have gone away.");
        }
    }
    SendSQL("UPDATE profiles SET mybugslink = '" . $::FORM{'mybugslink'} .
            "' WHERE userid = $userid");
}
    


sub ShowPermissions {
    print "You have the following permission bits set on your account:\n";
    print "<P><UL>\n";
    my $found = 0;
    SendSQL("SELECT description FROM groups " .
            "WHERE bit & $::usergroupset != 0 " .
            "ORDER BY bit");
    while (MoreSQLData()) {
        my ($description) = (FetchSQLData());
        print "<LI>$description\n";
        $found = 1;
    }
    if ($found == 0) {
        print "<LI>(No extra permission bits have been set).\n";
    }
    print "</UL>\n";
    SendSQL("SELECT blessgroupset FROM profiles WHERE userid = $userid");
    my $blessgroupset = FetchOneColumn();
    if ($blessgroupset) {
        print "And you can turn on or off the following bits for\n";
        print qq{<A HREF="editusers.cgi">other users</A>:\n};
        print "<P><UL>\n";
        SendSQL("SELECT description FROM groups " .
                "WHERE bit & $blessgroupset != 0 " .
                "ORDER BY bit");
        while (MoreSQLData()) {
            my ($description) = (FetchSQLData());
            print "<LI>$description\n";
        }
        print "</UL>\n";
    }
}
        



######################################################################
################# Live code (not sub defs) starts here ###############


confirm_login();

print "Content-type: text/html\n\n";

GetVersionTable();

PutHeader("User Preferences", "User Preferences", $::COOKIE{'Bugzilla_login'});

#  foreach my $k (sort(keys(%::FORM))) {
#      print "<pre>" . value_quote($k) . ": " . value_quote($::FORM{$k}) . "\n</pre>";
#  }

my $bank = $::FORM{'bank'} || "account";

my @banklist = (
                ["account", "Account settings",
                 \&ShowAccount, \&SaveAccount],
                ["diffs", "Email settings",
                                 \&ShowEmailOptions, \&SaveEmailOptions],
                ["footer", "Page footer",
                 \&ShowFooter, \&SaveFooter],
                ["permissions", "Permissions",
                 \&ShowPermissions, undef]
                );


my $numbanks = @banklist;
my $numcols = $numbanks + 2;

my $headcol = '"lightblue"';

print qq{
<CENTER>
<TABLE CELLSPACING="0" CELLPADDING="10" BORDER=0 WIDTH="100%">
<TR>
<TH COLSPAN="$numcols" BGCOLOR="lightblue">User preferences</TH>
</TR>
<TR><TD BGCOLOR=$headcol>&nbsp;</TD>
};


my $bankdescription;
my $showfunc;
my $savefunc;

foreach my $i (@banklist) {
    my ($name, $description) = (@$i);
    my $color = "";
    if ($name eq $bank) {
        print qq{<TD ALIGN="center">$description</TD>};
        my $zz;
        ($zz, $bankdescription, $showfunc, $savefunc) = (@$i);
    } else {
        print qq{<TD ALIGN="center" BGCOLOR="lightblue"><A HREF="userprefs.cgi?bank=$name">$description</A></TD>};
    }
}
print qq{
<TD BGCOLOR=$headcol>&nbsp;</TD></TR>
</TABLE>
</CENTER>
<P>
};




if (defined $bankdescription) {
    $userid = DBNameToIdAndCheck($::COOKIE{'Bugzilla_login'});

    if ($::FORM{'dosave'}) {
        &$savefunc;
        print "Your changes have been saved.";
    }
    print qq{<H3>$bankdescription</H3><FORM METHOD="POST"><TABLE>};

    # execute subroutine from @banklist based on bank selected.
    &$showfunc;

    print qq{</TABLE><INPUT TYPE="hidden" NAME="dosave" VALUE="1">};
    print qq{<INPUT TYPE="hidden" NAME="savedEmailTech" VALUE="};

    # default this to 0 if it's not already set
    #
    if (defined $showNewEmailTech) {
        print qq{$showNewEmailTech">};
    } else {
        print qq{0">};
    }
    print qq{<INPUT TYPE="hidden" NAME="bank" VALUE="$bank"> };

    if ($savefunc) {
              print qq{<table><tr><td width=150></td><td>
                        <INPUT TYPE="submit" VALUE="Submit Changes">
                        </td></tr></table> };
    }
    print qq{</FORM>\n};
} else {
    print "<P>Please choose from the above links which settings you wish to change.</P>";
}


print "<P>";


PutFooter();