//
// Created by selim on 03.01.2022.
//

#include "LoginWindow.h"
#include "MainWindow.h"
#include "../services/Api.h"
#include "../coro/GLibMainContextExecutor.h"

#include "../gtkpp/HeaderBar.h"
#include "../gtkpp/MessageDialog.h"

#include <iostream>
#include <utility>

LoginWindow::LoginWindow(std::shared_ptr<gtkpp::Application> app): gtkpp::Window(std::move(app), false) {

    setDefaultSize(640, 480);

    _loginEntry.setPlaceholder("Email");
    _loginEntry.setPurpose(GTK_INPUT_PURPOSE_EMAIL);
    _loginEntry.onChanged([this] { validateFields(); });

    _passwordEntry.setPlaceholder("Password");
    _passwordEntry.setPurpose(GTK_INPUT_PURPOSE_PASSWORD);
    _passwordEntry.setVisibility(false);
    _passwordEntry.onChanged([this] { validateFields(); });

    _loginButton.setTitle("Log in");
    _loginButton.setVerticalMargins(8);
    _loginButton.setEnabled(false);
    _loginButton.onClick([this] { loginClicked(); });

    gtkpp::Box contentBox(GTK_ORIENTATION_VERTICAL, 8);
    contentBox.append(_loginEntry);
    contentBox.append(_passwordEntry);
    contentBox.append(_loginButton);
    contentBox.append(_spinner);
    contentBox.setMargins(48);
    contentBox.setVAlign(GTK_ALIGN_CENTER);
    contentBox.setVExpand(true);

    gtkpp::Box rootBox(GTK_ORIENTATION_VERTICAL, 0);
    rootBox.append(gtkpp::HeaderBar("Login"));
    rootBox.append(contentBox);

    adw_window_set_content(ADW_WINDOW(_window), rootBox.gobj());
}

void LoginWindow::loginClicked() {
    auto email = _loginEntry.text();
    auto password = _passwordEntry.text();

    enableControls(false);
    _spinner.start();

    try {
        User user = co_await Api::login(email, password);
        if(auto app = this->application()) {
            auto mainWindow = std::make_shared<MainWindow>(app);
            mainWindow->show();
            app->addWindow(mainWindow);
            app->removeWindow(this);
            hide();
        }
    } catch (std::exception& ex) {
        enableControls(true);
        _spinner.stop();
        gtkpp::MessageDialog::showError(this, ex.what());
    }
}

void LoginWindow::validateFields() {
    bool buttonEnabled = _loginEntry.textLength() > 3 && _passwordEntry.textLength() > 3;
    _loginButton.setEnabled(buttonEnabled);
}

void LoginWindow::enableControls(bool enable) {
    _loginButton.setEnabled(enable);
    _loginEntry.setEnabled(enable);
    _passwordEntry.setEnabled(enable);
}