#include "EditUsers.h"
#include <Wt/WApplication.h>
#include <Wt/WBreak.h>
#include <Wt/WLineEdit.h>
#include <Wt/WPushButton.h>

EditUsers::EditUsers(Wt::Dbo::Session &aSession, const std::string &basePath)
    : m_session(aSession), m_basePath(basePath) {
    setStyleClass("user-editor");
    setTemplateText(tr("edit-users-list"));
    auto limitEdit = std::make_unique<Wt::WLineEdit>();
    auto goLimit = std::make_unique<Wt::WPushButton>(tr("go-limit"));
    goLimit->clicked().connect(this, &EditUsers::limitList);

    m_limitEdit = bindWidget("limit-edit", std::move(limitEdit));
    bindWidget("limit-button", std::move(goLimit));
    limitList();
}

void EditUsers::onUserClicked(Wt::Dbo::dbo_traits<User>::IdType id) {
    Wt::WApplication::instance()->setInternalPath(m_basePath + "edituser/" + std::to_string(id), true);
}

void EditUsers::limitList() {
    auto listPtr = std::make_unique<Wt::WContainerWidget>();
    auto list = listPtr.get();
    bindWidget("user-list", std::move(listPtr));

    typedef Wt::Dbo ::collection<Wt::Dbo ::ptr<User>> UserList;
    Wt::Dbo ::Transaction t(m_session);
    UserList users = m_session.find<User>().where("name like ?").bind("%" + m_limitEdit->text() + "%").orderBy("name");

    for (auto user : users) {
        Wt::WText *t = list->addWidget(std::make_unique<Wt::WText>(user->name));
        t->setStyleClass("link");
        list->addWidget(std::make_unique<Wt::WBreak>());
        t->clicked().connect(std::bind(&EditUsers::onUserClicked, this, user.id()));
    }
    if (!users.size()) list->addWidget(std::make_unique<Wt::WText>(tr("no-users-found")));
}

EditUser::EditUser(Wt::Dbo::Session &aSession) : WTemplate(tr("edit-user")), session_(aSession) {
    auto roleButton = std::make_unique<Wt::WPushButton>();
    roleButton_ = bindWidget("role-button", std::move(roleButton));
    roleButton_->clicked().connect(this, &EditUser::switchRole);
}

void EditUser::switchUser(Wt::Dbo::ptr<User> target) {
    target_ = target;
    bindTemplate();
}

void EditUser::bindTemplate() {
    bindString("username", target_->name);
    if (target_->role == User::Admin)
        roleButton_->setText(tr("demote-admin"));
    else
        roleButton_->setText(tr("promote-user"));
}

void EditUser::switchRole() {
    Wt::Dbo::Transaction t(session_);
    target_.reread();
    if (target_->role == User::Admin)
        target_.modify()->role = User::Visitor;
    else
        target_.modify()->role = User::Admin;
    t.commit();
    bindTemplate();
}