#!/usr/bin/perl

use LWP::Simple;
use HTML::TokeParser::Simple;
use Data::Dumper;

use strict;
use warnings;

my $start = 'http://155.69.224.75:8000/eeepeople/AcadStaff.asp';
my $file = './index.html';

LWP::Simple::mirror($start, $file);

my $p = HTML::TokeParser::Simple->new($file);
my $state = 0;
my ($url, $name, @teachers );

while (my $t = $p->get_token) {
  if ($state == 0) {
    if ($t->is_start_tag('a')) {
      my $attr = $t->return_attr;
      if (exists $attr->{href} and $attr->{href} =~ /\/cv\//) {
        $url = $attr->{href};
        $state = 1;
      }
    }
  }
  elsif ($state == 1) {
    if ($t->is_end_tag('a')) {
      push @teachers, {
        name => $name,
        url  => $url
      };
      $name = '';
      $url = '';
      $state = 0;
    }
    elsif ($t->is_text) {
      $name .= $t->as_is;
    }
  }
}
print Dumper(\@teachers), "\n";

foreach my $teacher (@teachers) {
  my $filename = lc($teacher->{name});
  $filename =~ s/\s+/_/g;
  $filename .= '.html';

  LWP::Simple::mirror($teacher->{url}, $filename);

  my $p = HTML::TokeParser::Simple->new($filename);
  $state = 0;
  my ($pub, $res, @publications, @interests);
  while (my $t = $p->get_token) {
    if ($state == 0) {
      if ($t->is_text and $t->as_is =~ /publication/i) {
        $state = 2;
      }
    }
    elsif ($state == 2) {
      if ($t->is_start_tag('li')) {
        $state = 3;
      }
      elsif ($t->is_end_tag('ul')) {
        $state = 0;
      }
    }
    elsif ($state == 3) {
      if ($t->is_text) {
        $pub .= $t->as_is;
      }
      elsif ($t->is_end_tag('li')) {
        push @publications, $pub;
        $pub = '';
        $state = 2;
      }
    }
  }

  print $teacher->{name} ." published:\n";
  print Dumper(\@publications), "\n";
}