#!/usr/bin/perl

###################################################
# -*- kwotes.pl -*-                               #
###################################################
# This code is distributed under GPL licensing    #
# terms, here's a link to the license and stuff:  #
#                                                 #
# http://www.gnu.org/licenses/gpl.txt             #
#                                                 #
# have fun with it, i'm not a major perl monger   #
# or anything, so be easy on me :)                #
###################################################

# bring in the required libs
require "kwotes-lib.pl";

# we're strict
package Main;
use strict;

# is this getting called by the "delete" cronjob?
if ($ARGV[0] eq "cleanup") {
	exit Lib::cleanup();
}

# parse the form data
my %FORM = Lib::parse_form();

# some vars
my $action = $FORM{"action"};
my $main_content;
my %vars;
my $template = ($FORM{"template"}) ? $FORM{"template"} : $Conf::DEFAULT_TEMPLATE;

# populate %vars with ENV
foreach my $key (keys %ENV) {
	$vars{$key} = $ENV{$key};
}

# add information that can be displayed on every page
$vars{KWOTE_COUNT} = Lib::get_kwote_count();
$vars{KWOTE_BACKUP_COUNT} = Lib::get_kwote_backup_count();
$vars{SITE_NAME} = $Conf::SITE_NAME; 
$vars{TAG_LINE} = Lib::get_tagline();
$vars{TEMPLATE_DIR} = "templates/$template";

############
# action: add (show add form)
if ($action eq "add") {
	$vars{TITLE} = "Add Kwote";
	$vars{CAPTCHA_ID} = Lib::gen_captcha_phrase();
	$vars{KWOTE_TEXT} = "";
	$main_content = Lib::wrap_template($template, $Lib::CONTENT_ADD, %vars);

############
# action: doadd (add the kwote to the db)
} elsif ($action eq "doadd") {

	# check the captcha
	if (!Lib::validate_captcha($FORM{"cid"}, $FORM{"phrase"})) {
		$vars{TITLE} = "Add Kwote";
		$vars{ERROR_MESSAGE} = "Captcha validation failed";
		$vars{CAPTCHA_ID} = Lib::gen_captcha_phrase();
		$vars{KWOTE_TEXT} = $FORM{"content"};
		$main_content = Lib::wrap_template($template, $Lib::CONTENT_ADD, %vars);
		
	} elsif ($FORM{"content"} eq "") {
		$vars{TITLE} = "An Error Occured";
		$vars{ERROR_MESSAGE} = "No text entered";
		$main_content = Lib::wrap_template($template, $Lib::CONTENT_ERROR, %vars);

	} else {

		# add the kwote
		my $dbh = Lib::get_db_connection();
		my $kid = Lib::add_kwote($dbh, $FORM{"content"}, $ENV{"REMOTE_ADDR"});
	
		# wtf? errors? in my code? noooo.
		if (!defined($kid)) {
			$vars{TITLE} = "An Error Occured";
			$vars{ERROR_MESSAGE} = "Couldn't add kwote: ".$DBI::errstr;
			$main_content = Lib::wrap_template($template, $Lib::CONTENT_ERROR, %vars);
	
		# all was good
		} else {
			$vars{TITLE} = "Kwote Added";
			$vars{KWOTE_ID} = $kid;
			$main_content = Lib::wrap_template($template, $Lib::CONTENT_ADD_THANKS, %vars);

		}
	}

##########
# action: show
} elsif ($action eq "show") {
	
	# get the kwote
	my $dbh = Lib::get_db_connection();
	my $kwote = Lib::get_kwote($dbh, $FORM{"id"});
	
	# wtf? errors? in my code? noooo.
	if (!defined($kwote)) {
		$vars{TITLE} = "Kwote Does Not Exist";
		$vars{ERROR_MESSAGE} = "That kwote does not exist";
		$main_content = Lib::wrap_template($template, $Lib::CONTENT_ERROR, %vars);

	# all was good
	} else {
		$vars{TITLE}		= "Kwote \#$kwote->{'id'}";
		$vars{KWOTE_ID}		= $kwote->{'id'};
		$vars{KWOTE_TEXT_HTML}	= Lib::html_escape($kwote->{'content'});
		$vars{KWOTE_TEXT_XML}	= Lib::xml_escape($kwote->{'content'});
		$vars{KWOTE_TEXT_PLAIN}	= $kwote->{'content'};
		$vars{KWOTE_RATING}	= $kwote->{'rating'};
		$main_content		= Lib::wrap_template($template, $Lib::KWOTE_EVEN, %vars);

	}

##########
# action: latest
} elsif ($action eq "list") {

	# what are we sorting on
	my $sort = undef;
	if ($FORM{"o"} eq "date") {
		$sort = "submit_dt";
	} elsif ($FORM{"o"} eq "rating") {
		$sort = "rating";
	} elsif ($FORM{"o"} eq "random") {
		$sort = "RAND()";
	}
	
	# get start index
	my $start_index = (defined($FORM{"s"})) ? $FORM{"s"} : 0;
	
	# get max amount
	my $max_returned = (defined($FORM{"m"})) ? $FORM{"m"} : 20;
	
	# what is the "max records" we'll consider?
	my $max_records = (defined($FORM{"mr"})) ? $FORM{"mr"} : 9999999999;

	# what is the "sort order"
	my $sort_order = ($FORM{"so"} eq "reverse") ? "ASC" : "DESC";
	
	# search string?
	my $search_string = $FORM{"ss"};
	
	# rating requirements?
	my $max_rating = $FORM{"maxr"};
	my $min_rating = $FORM{"minr"};

	# get the kwote
	my $dbh = Lib::get_db_connection();
	my @rows = Lib::list_kwotes(
		$dbh, 
		$sort, 
		$sort_order, 
		$max_returned, 
		$start_index, 
		$search_string,
		$min_rating,
		$max_rating
	);
	
	# setup these vars
	$vars{TITLE}		= "Kwotes";
	$vars{ORDER}		= $FORM{"o"};
	$vars{NEXT_INDEX}	= $start_index+$max_returned;
	$vars{MAX_RETURN}	= $max_returned;
	$vars{LAST_INDEX}	= $start_index-$max_returned;
	$vars{MAX_RECORDS}	= $max_records;
	$vars{SEARCH_STRING}	= $search_string;
	$vars{MAX_RATING}	= $max_rating;
	$vars{MIN_RATING}	= $min_rating;

	# get the navigation template
	my $navigation_template = undef;
	
	# forward, no back
	if ($FORM{"o"} ne "random" && $start_index<=0 && @rows>=$max_returned 
		&& ($start_index+$max_returned)<$max_records) {
		$navigation_template = $Lib::NAVIGATION_NO_BACK;
	
	# forward and back
	} elsif ($FORM{"o"} ne "random" && $start_index>0 && @rows>=$max_returned 
		&& ($start_index+$max_returned)<$max_records ) {
		$navigation_template = $Lib::NAVIGATION;
	
	# back only
	} elsif ($FORM{"o"} ne "random" && $start_index>0 && @rows<$max_returned) {
		$navigation_template = $Lib::NAVIGATION_NO_FORWARD;
	}

	# wrap the navigation template
	$main_content .= Lib::wrap_template($template, $navigation_template, %vars);

	# wrap up the "before list" template
	$main_content .= Lib::wrap_template($template, $Lib::BEFORE_LIST, %vars);

	# loop through the results
	if (defined(@rows)) {
		for (my $i=0; $i<@rows && ($i+$start_index)<$max_records; $i++) {
			my $row = $rows[$i];
			my $kwote_template = (($i % 2) != 0) ? $Lib::KWOTE_ODD : $Lib::KWOTE_EVEN;
			$vars{KWOTE_ID}		= $row->{'id'};	
			$vars{KWOTE_TEXT_HTML}	= Lib::html_escape($row->{'content'});
			$vars{KWOTE_TEXT_XML}	= Lib::xml_escape($row->{'content'});
			$vars{KWOTE_TEXT_PLAIN}	= $row->{'content'};
			$vars{KWOTE_RATING}	= $row->{'rating'};
			$main_content		.= Lib::wrap_template($template, $kwote_template, %vars);
		}
		
	}

	# wrap up the "after list" template
	$main_content .= Lib::wrap_template($template, $Lib::AFTER_LIST, %vars);

	 # wrap the navigation template
	$main_content .= Lib::wrap_template($template, $navigation_template, %vars);

##########
# action: search (show the search page)
} elsif ($action eq "search") {
	$vars{TITLE} = "Search";
	$main_content = Lib::wrap_template($template, $Lib::CONTENT_SEARCH, %vars);

##########
# action: love
} elsif ($action eq "love") {
	Lib::vote($ENV{"REMOTE_ADDR"}, $FORM{"kid"}, "1");
	$vars{TITLE} = "Love";
	$main_content = "Vote Counted";

##########
# action: hate
} elsif ($action eq "hate") {
	Lib::vote($ENV{"REMOTE_ADDR"}, $FORM{"kid"}, "-1");
	$vars{TITLE} = "Hate";
	$main_content = "Vote Counted";

##########
# action: captcha
} elsif ($action eq "captcha") {
	Lib::serve_captcha($FORM{'cid'});
	exit;

##########
# show the homepage
} else {
	$vars{TITLE} = "The Better kwote Database";
	$main_content = Lib::wrap_template($template, $Lib::CONTENT_DEFAULT, %vars);
	
}

# send the HTML
print Lib::get_template_headers($template)."\n\n";
Lib::render_template($template, $Lib::HEADER, %vars);
print STDOUT $main_content;
Lib::render_template($template, $Lib::FOOTER, %vars);