#! /usr/bin/perl
#  Copyright 2001-2019 Leslie Richardson

#  This file is part of Open Admin for Schools.

#  Open Admin for Schools is free software; you can redistribute it 
#  and/or modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2 of 
#  the License, or (at your option) any later version.

my %lex = ('Main' => 'Main',
	   'Continue' => 'Continue',
	   'Homeroom' => 'Homeroom',
	   'Grade' => 'Grade',
	   'Select by' => 'Select by',
	   'Error' => 'Error',
	   'Sort by' => 'Sort by',
	   'Name' => 'Name',

	   'Common Math Assessment' => 'Common Math Assessment',
	   'Report' => 'Report',
	   'OR' => 'OR',
	   'No Selection' => 'No Selection',
	   'School Year' => 'School Year',
	   'Show Withdrawn' => 'Show Withdrawn',


	   );

my $self = 'cmaRpt2.pl';

use DBI;
use CGI;
use Cwd;
use Number::Format qw(:all);

my @strands = qw(P N SS SP);
my %strandnames = ('P' => 'Patterns and Relations', 
		   'N' => 'Numbers and Operations',
		   'SS' => 'Shape and Space',
		   'SP' => 'Stats and Prob'
    );


my  $configpath = '../../..';
if ( getcwd() =~ /tcgi/ ){ # we are in tcgi
    $configpath = '../..';
}

eval require "$configpath/etc/admin.conf";
if ( $@ ) {
    print $lex{Error}. " $@<br>\n";
    die $lex{Error}. " $@\n";
}

my $q = new CGI;
print $q->header( -charset, $charset );
my %arr = $q->Vars;


my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $iddst) = localtime(time);
$year = $year + 1900;
$wday++; $mon++;
my $currdate = "$dow[$wday], $month[$mon] $mday, $year";

my $dsn = "DBI:$dbtype:dbname=$dbase";
my $dbh = DBI->connect($dsn,$user,$password);


# Get current dir so know what CSS to display;
if ( getcwd() =~ /tcgi/ ){ # we are in tcgi
    $css = $tchcss;
    $homepage = $tchpage;
}


my $title = "$lex{'Common Math Assessment'} $lex{Report} 2 - $schoolname";
print qq{$doctype\n<html><head><title>$title</title>\n};
print qq{<link rel="stylesheet" href="$css" type="text/css">\n};
print qq{$chartype\n</head><body style="padding:1em 5em;">\n};

print qq{<div>[ <a href="$homepage">$lex{Main}</a> ]</div>\n};
print qq{<h1>$title</h1>\n};


if ( not $arr{page} ) {
    showStartPage();

} elsif ( $arr{page} == 1 ) {
    delete $arr{page};
    showReport();
}


#-------------
sub showReport {
#-------------

    # foreach my $key ( sort keys %arr ) { print "K:$key V:$arr{$key}<br>\n"; }
    # Passed: grade, homeroom, schoolyear;

    my $studenttable = 'student';
    if ( $arr{showwithdrawn} ) {
	$studenttable = 'studentwd';
    }


    # Select the students of interest.
    my ($select, $selectval, @grades, $classname);
    if ( $arr{grade} ) {
	$select = "where grade = ?";
	$selectval = $arr{grade};
	push @grades, $arr{grade};
	$classname = "Grade $arr{grade}";

    } elsif ( $arr{homeroom} ) {
	$select = "where homeroom = ? ";
	$selectval = $arr{homeroom};
	$classname = "Homeroom $arr{homeroom}";
	
	my $sth = $dbh->prepare("select distinct grade from student where homeroom = ? 
           and grade != '' and grade is not NULL order by grade");
	$sth->execute( $arr{homeroom} );
	if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
	while ( my $gr = $sth->fetchrow ) {
	    push @grades, $gr;
	}
	
    } else {
	print qq{<h3>$lex{'No Selection'}</h3>\n};
	print qq{</body></html>\n};
	exit;
    }


    # Select the students
    my %students;
    
    my $sth = $dbh->prepare("select lastname, firstname, studnum, grade from $studenttable
       $select order by lastname, firstname");

    $sth->execute( $selectval );
    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }

    while ( my $ref = $sth->fetchrow_hashref ) {
	# my %r = %$ref;
	my $studnum = $ref->{studnum};
	$students{$studnum} = $ref;
    } # we now have all students in %students - $students{$studnum} = $ref;

    
    print qq{<h3>$classname - $currdate</h3>\n};


    
    # Build outcomes data structure
    my %outcomes; # lists outcomes.
    my %odesc; # outcomes description.

    my $sth = $dbh->prepare("select * from mathca_outcomes");
    $sth->execute;
    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
    while ( my $ref = $sth->fetchrow_hashref ) {
	my %r = %$ref;

	my $oid = $r{oid};
	my $grade = $r{grade};

	my ($cat, $seq)  = split(/\./, $oid);
	$cat =~ s/$grade$//; # remove grade

#	print qq{OID:$oid GR:$grade CAT:$cat SEQ:$seq DESC:$r{odesc}<br>\n};

	$outcomes{$grade}{$cat}{$seq} = $oid;
	$odesc{$oid} = $r{odesc};

    } # Done building data structure of outcomes as above; (oid like N7.1)


    
    # select the tgrades for this group of students in this school year.
    my %tgrades;
    my $sth = $dbh->prepare("select distinct tgrade from mathca_scores where studnum = ? and schoolyear = ?");

    foreach my $studnum ( keys %students ) {
	$sth->execute( $studnum, $arr{schoolyear} );
	if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
	while ( my $tgrade = $sth->fetchrow ) {
	    $tgrades{$tgrade} = 1;
	}
    }


    foreach my $tgrade ( keys %tgrades ) {

	# Now build a structure for this tgrade
	my %strandcount;  # $catcount{category} = number in this category.
	foreach my $cat ( sort keys %{ $outcomes{$tgrade} } ) {
	    foreach my $seq ( sort keys %{ $outcomes{$tgrade}{$cat} } ) {
		if ( $seq > $strandcount{$cat} ) { $strandcount{$cat} = $seq; }
	    }
	}

	my %withdrawn;
	my %data; # holds all data $data{studnum}{outcome}{prepost} = score;
	my @students;  # provides order of students
	my %pass; # $pass{studnum} = count of passes ( >= 3)
	my %strandpass;
	my %nodata; # nodata{studnum}; track kids without data.

	my %names; # store student names;
	my %tdates; # store test dates for outcomes and pre/post  $tdates{outcome}{pretest/posttest};
	my %grades; # test grade for this student ( $grades{studnum} = grade; ) from tgrade value.

	# Get Student Data
	my $sth1 = $dbh->prepare("select prepost, outcome, score, tdate from mathca_scores
         where schoolyear = ? and studnum = ? order by tdate");

	# Queries for Withdrawn and Having Data
	my $sth2 = $dbh->prepare("select count(*) from studentwd where studnum = ?");

	my $sth3 = $dbh->prepare("select count(*) from mathca_scores
          where schoolyear = ? and studnum = ?");


	my %sort;
	
	# Loop through all students; build data structure.
	foreach my $studnum ( keys %students ) {
	    my $ref = $students{$studnum};
	    my %r = %$ref;

	    # Have Data?
	    $sth3->execute($arr{schoolyear}, $studnum );
	    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
	    my $datacount = $sth3->fetchrow;
#	    print qq{DC:$datacount - $studnum  $students{$studnum}->{lastname} $students{$studnum}->{firstname}<br>\n}; 
	    
	    if ( not $datacount ) {
#		print qq{Nodata:$studnum  $students{$studnum}->{lastname}<br>\n}; 
		$nodata{$studnum} = 1;
	    }
#	    print qq{SN:$studnum DATACOUNT:$datacount<br>\n}; 
	    
	    # Check for withdrawn and having any data this year.
	    if ( $arr{showwithdrawn} ) { # check if student is withdrawn
		# Withdrawn?
		$sth2->execute( $studnum );
		if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
		my $wdcount = $sth2->fetchrow;
		
		if ( $wdcount > 0 and $datacount < 1 ) { # withdrawn and no data
		    next;
		} 
	    }

	    
	    push @students, $studnum; 
	    $names{$r{studnum}} = "<b>$r{lastname}</b>, $r{firstname}";
	    $sort{"$r{lastname}$r{firstname}$studnum"} = $studnum;

	    # Get this student's data
	    $sth1->execute( $arr{schoolyear}, $studnum );
	    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }

	    while ( my ($prepost, $outcome, $score, $tdate) = $sth1->fetchrow ) {
#		print qq{PP:$prepost - $outcome - $score - $tdate<br>\n};
		# Store passes;
		if ( $prepost eq 'posttest' ) {
		    if ( $score >= 3 ) { 
			$pass{$studnum}{'pass'}++; 
			$strandpass{$studnum}{$outcome}{'pass'}++; 
		    }
		    $pass{$studnum}{'count'}++;
		    $strandpass{$studnum}{$outcome}{'count'}++;
		}

		$data{$studnum}{$outcome}{$prepost} = $score;
#		print "DATA - $studnum - $outcome - $prepost -- $score<br>\n";
	    }
	} # end of student loop


#	use Data::Dumper;
#	print Dumper %data;
#	exit;
	
	my $prevyear = $arr{schoolyear} - 1;
	print qq{<div style="font-size:120%;font-weight:bold;margin-top:1em;">};
	print qq{Test Grade $tgrade  ($prevyear-$arr{schoolyear})</div>\n};


	print qq{<table cellpadding="2" cellspacing="0" border="1">\n};
	print qq{<caption>Hover on Column Titles to see text descriptions</caption>\n};

	# header section.
	print qq{<tr><th>Student</th>};
	foreach my $strand ( @strands ) {
	    if ( $strandcount{$strand} ) { # print IF we have that strand
		print qq{<th colspan="4" };
		print qq{title="Number in brackets is number of outcomes in this strand for this grade">};
		print qq{$strandnames{$strand} ($strandcount{$strand})</th><th></th>\n};
	    }
	}

	print qq{<th colspan="5">Score Averages</th></tr>\n};


	# Second Line: Desc;
	print qq{<tr><td></td>};
	foreach my $strand ( @strands ) {
	    if ( $strandcount{$strand} ) { # print IF we have that strand
		print qq{<td title="Number of Outcomes Covered">Out</td>};
		print qq{<td title="Pretest Average Score">Pre<br>Avg</td>};
		print qq{<td title="Posttest Average Score">Post<br>Avg</td>\n};
		print qq{<td title="Number of Passes (3 or 4 score) over the numbers of tests in strand">};
		print qq{Pass</td><td></td>\n};
	    }
	}
	print qq{<td>Total<br>Outcomes</td><td>Pre</td><td>Post</td><td>Difference</td><td>Pass</td></tr>\n};

	# used for summary stats at the end;
	my (%strandtotalcount, %strandtotalsum );

	
	# Loop through each student, finding averages for each strand
	foreach my $key ( sort keys %sort ) {
	    my $studnum = $sort{$key};

	    my ($pretotalcount, $pretotalsum, $posttotalcount, $posttotalsum);

	    print qq{<tr><td>$names{$studnum}</td>\n};
	    if ( $nodata{$studnum} ) { 
		print qq{<td colspan="25" class="bla">No Data</td></tr>\n};
		next;
	    }
				       
	    foreach my $strand ( @strands ) {

		if ( not $strandcount{$strand} ) {  next; } # skip any strands not covered in this grade.

		# Loop through all tests and find averages for this strand of outcomes.
		my (  $preavg, $presum, $precount, $postavg,$postsum, $postcount, $passsum, $passcount );
		
		foreach my $seq ( sort keys %{ $outcomes{$tgrade}{$strand} } ) {

		    my $outcome = $outcomes{$tgrade}{$strand}{$seq};

#		    print "SN:$studnum Strand:$strand SEQ:$seq OUT:$outcome<br>\n";
		    
		    $passsum += $strandpass{$studnum}{$outcome}{pass};
		    $passcount += $strandpass{$studnum}{$outcome}{count};

		    my $pretest = $data{$studnum}{$outcome}{'pretest'};
		    my $posttest = $data{$studnum}{$outcome}{'posttest'};

#		    print "SN:$studnum OUT:$outcome Pre:$pretest Post:$posttest<br>\n";
		    

		    if ( $pretest and $posttest  or 
			 ( $tgrade eq '2' or $tgrade eq '1' or $tgrade eq 'K' or $tgrade eq 'PK')) {
			$presum += $pretest;
			$precount++;
			$postsum += $posttest;
			$postcount++;

		    } else {
			next;
		    }

		} # end of outcome

		if ( $precount ) {
		    $preavg = format_number( $presum / $precount, 2);
		    $pretotalcount += $precount;
		    $pretotalsum += $presum;
		}
		if ( $postcount ) {
		    $postavg = format_number( $postsum / $postcount, 2);
		    $posttotalcount += $postcount;
		    $posttotalsum += $postsum;
		}

		my $passString;
		if ( $passcount ) {
		    $passString = "$passsum / $passcount";
		}

		$strandtotalcount{$strand} += $postcount;
		$strandtotalsum{$strand} += $postsum;

		print qq{<td class="cn">$postcount</td><td class="cn">$preavg</td>};
		print qq{<td class="cn">$postavg</td><td>$passString</td><td></td>\n};

	    } # end of this strand


	    # now totals for this student
	    my ($pretotalavg, $posttotalavg);
	    if ( $pretotalcount ) {
		$pretotalavg = format_number( $pretotalsum / $pretotalcount, 2);
	    }

	    if ( $posttotalcount ) {
		$posttotalavg = format_number( $posttotalsum / $posttotalcount, 2);
	    }

	    my $diff = format_number( $posttotalavg - $pretotalavg, 2);

	    print qq{<td class="cn">$posttotalcount</td><td class="cn">$pretotalavg</td>};
	    print qq{<td class="cn">$posttotalavg</td><td class="cn">$diff</td>\n};

	    # Passes;
	    my $passpercent;
	    if ( $pass{$studnum}{'count'} and $pass{$studnum}{'pass'} ) {
		$passpercent = format_number( $pass{$studnum}{'pass'} * 100 / $pass{$studnum}{'count'}, 2);
	    }
	
	    if ( $passpercent ) {
		print qq{<td>$passpercent% ($pass{$studnum}{'pass'}/$pass{$studnum}{'count'})</td></tr>\n};
	    } elsif ( $pass{$studnum}{'count'} ) { # have count, but no passes
		print qq{<td>0% (0/$pass{$studnum}{'count'})</td></tr>\n};
	    } else { # print blank.
		print qq{<td></td></tr>\n};
	    }


	} # end of student loop

	print qq{</table><p></p>\n};


	# Now Summary of all students in the grade
	print qq{<table cellpadding="3" cellspacing="0" border="1">\n};
	print qq{<caption style="font-weight:bold;font-size:120%;">Summary</caption>\n};

	# Heading
	print qq{<tr><th>Strand</th><th>Average Score</th></tr>\n};

	# Data Section
	foreach my $strand ( @strands ) {
	    my $avg = '0';
	    if ( $strandtotalcount{$strand} ) {
		$avg = format_number( $strandtotalsum{$strand} / $strandtotalcount{$strand}, 2);
	    }
	    print qq{<tr><td>$strandnames{$strand} ($strandcount{$strand})</td><td>$avg</td></tr>\n}; 
	}
	print qq{</table>\n};

	
    } # end of grade loop
	

    print qq{</body></html>\n};

    exit;

} # end of showReport



#----------------
sub showStartPage { # Entry Values for Custom Script
#----------------

    my (@homerooms, @grades, @schoolyears );
    # Get Homerooms
    my $sth = $dbh->prepare("select distinct homeroom from student 
      where homeroom is not NULL and homeroom != ''");
    $sth->execute;
    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
    while ( my $hr = $sth->fetchrow ) {
	push @homerooms, $hr;
    }
    @homerooms = sort {$a <=> $b} @homerooms;

    # Get Grades
    $sth = $dbh->prepare("select distinct grade from student 
      where grade is not NULL and grade != ''");
    $sth->execute;
    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
    while ( my $gr = $sth->fetchrow ) {
	push @grades, $gr;
    }
    @grades = sort {$a <=> $b} @grades;

    # Get School Years
    $sth = $dbh->prepare("select distinct schoolyear from mathca_scores");
    $sth->execute;
    if ($DBI::errstr) { print $DBI::errstr; die $DBI::errstr; }
    while ( my $yr = $sth->fetchrow ) {
	push @schoolyears, $yr;
    }
    @schoolyears = reverse sort @schoolyears;


    # Start Form
    print qq{<form action="$self" method="post">\n};
    print qq{<input type="hidden" name="page" value="1">\n};

    print qq{<table cellpadding="3" cellspacing="0" border="0">\n};


    # Select Grade
    print qq{<tr><td class="bra">$lex{'Select by'} $lex{Grade}</td>};
    print qq{<td><select name="grade"><option></option>\n};
    foreach my $gr ( @grades ) {
	print qq{<option>$gr</option>\n};
    }
    print qq{</select></td></tr>\n};

    # OR
    print qq{<tr><td colspan="2" style="text-align:center;">$lex{OR}</td></tr>\n};


    # Select Homeroom
    print qq{<tr><td class="bra">$lex{'Select by'} $lex{Homeroom}</td>};
    print qq{<td><select name="homeroom"><option></option>\n};
    foreach my $hr ( @homerooms ) {
	print qq{<option>$hr</option>\n};
    }
    print qq{</select></td></tr>\n};


    # School Year
    print qq{<tr><td class="bra">$lex{'School Year'}</td>};
    print qq{<td><select name="schoolyear">\n};
    foreach my $yr ( @schoolyears ) {
	my $prevyr = $yr - 1;
	print qq{<option value="$yr">$prevyr-$yr</option>\n};
    }
    print qq{</select></td></tr>\n};

    # Withdrawn
    print qq{<tr><td class="bra">$lex{'Show Withdrawn'}</td>};
    print qq{<td><input type="checkbox" name="showwithdrawn" value="1"></td></tr>\n};


=head
    # Sort Order
    print "<tr><td class=\"ra\">$lex{'Sort by'}</td>";
    print "<td><select name=\"sortorder\">";
    print "<option value=\"grade\">$lex{Grade}</option>";
    print "<option value=\"homeroom\">$lex{Homeroom}</option>";
    print "<option value=\"name\">$lex{Name}</option>";
    print "</select></td>";
    print "<td></td></tr>\n";
=cut


    print qq{<tr><td class="ra"><input type="submit" value="$lex{Continue}"></td></tr>\n};
    print qq{</table>\n};
    print qq{</form></body></html>\n};

    exit;

}

