/*
* Copyright (C) 2008 Emweb bv, Herent, Belgium.
*
* See the LICENSE file for terms of use.
*/

#include <boost/tokenizer.hpp>
#include <boost/algorithm/string.hpp>

#include <Wt/WContainerWidget.h>
#include <Wt/WStringUtil.h>

#include "AddresseeEdit.h"
#include "Label.h"

AddresseeEdit::AddresseeEdit(const WString& label, WContainerWidget *labelParent)
: WTextArea()
{
label_ = labelParent->addWidget(std::make_unique<Label>(label, labelParent));

setRows(3); setColumns(55);
resize(WLength(99, LengthUnit::Percentage), WLength::Auto);

setInline(false); // for IE to position the suggestions well
}

void AddresseeEdit::setAddressees(const std::vector<Contact>& contacts)
{
std::u32string text;

for (unsigned i = 0; i < contacts.size(); ++i) {
if (i != 0)
text += U", ";
text += contacts[i].formatted();
}

setText(text);
}

bool AddresseeEdit::parse(std::vector<Contact>& contacts) const
{
typedef boost::tokenizer<boost::escaped_list_separator<char32_t>,
std::wstring::const_iterator, std::wstring>
CsvTokenizer;

std::wstring t = text();
CsvTokenizer tok(t);

for (CsvTokenizer::iterator i = tok.begin(); i != tok.end(); ++i) {
std::wstring addressee = *i;

boost::trim(addressee);
std::wstring::size_type pos = addressee.find_last_of(' ');
if (pos != std::string::npos) {
std::wstring email = addressee.substr(pos + 1);
std::wstring name = addressee.substr(0, pos);

boost::trim(email);
boost::trim(name);
if (email[0] == '<')
email = email.substr(1);
if (email[email.length() - 1] == '>')
email = email.substr(0, email.length() - 1);

if (!email.empty())
contacts.push_back(Contact(Wt::toUTF32(name), Wt::toUTF32(email)));
} else
if (!addressee.empty())
contacts.push_back(Contact(U"", Wt::toUTF32(addressee)));
}
return true;
}

std::vector<Contact> AddresseeEdit::addressees() const
{
std::vector<Contact> result;
parse(result);

return result;
}

void AddresseeEdit::setHidden(bool hidden, const WAnimation& animation)
{
WTextArea::setHidden(hidden, animation);
label_->setHidden(hidden, animation);
}