#include "TitleScreen.h"
#include "MaterialIcons.h"
#include "../Texture.h"
#include "../Version.h"
#include "../Widgets/IconActionButton.h"
#include "../Widgets/Image.h"
#include "../Widgets/Label.h"
#include "../Widgets/Panel.h"
#include "../Widgets/ArtworkCard.h"
#include "../ManagementContext/ArtworkManagementContext.h"
#include "../Widgets/ScrollArea.h"
#include "../UserInterface/Layout/StackLayout.h"
#include "../UserInterface/Layout/VirtualizingStackLayout.h"
#include "../AppLayers/ScreenLayer.h"
#include "ProjectsScreen.h"
#include "UserInterface/Engine/Geometry.h"
#include "Widgets/Button.h"
#include <memory>

TitleScreen::TitleScreen() : Screen(nullptr), logoTexture(new Texture("logoFull.png")) {
    rootWidget = CreateRoot();
    dirtyManager.SetRootWidget(rootWidget.get());
    inputRouter.SetRootWidget(rootWidget.get());
}

TitleScreen::~TitleScreen() {
    rootWidget.reset();
    delete logoTexture;
}

std::unique_ptr<UI::Widget> TitleScreen::CreateRoot() {
    auto root = std::make_unique<UI::StackLayout>(UI::Orientation::Vertical, 24.0f);
    root->AddChild(CreateHeader());
    auto recentLabel = std::make_unique<UI::Label>("Recently Edited");
    recentLabel->SetTextColor(UI::Color(0.0f, 0.0f, 0.0f, 1.0f));
    recentLabel->SetPadding(UI::Thickness(32.0f, 0.0f));
    root->AddChild(std::move(recentLabel));
    root->AddChild(CreateRecentProjects());
    root->AddChild(CreateFooter());
    return root;
}

#include "../SystemInfo.h"

std::unique_ptr<UI::Widget> TitleScreen::CreateHeader() {
    auto panel = std::make_unique<UI::Panel>();
    panel->SetBgColor(UI::Color(0, 0, 0, 1.0f));
    panel->SetVerticalAlignment(UI::VerticalAlignment::Center);
    panel->SetPadding(UI::Thickness(32.0f, 16.0f));

    auto layout = std::make_unique<UI::StackLayout>(UI::Orientation::Horizontal, 16.0f);
    layout->SetVerticalAlignment(UI::VerticalAlignment::Center);
    layout->AddChild(std::make_unique<UI::Image>(logoTexture, UI::Size(240.0f, 80.0f)));
    auto version = std::make_unique<UI::Button>("ver." + SEMVER_STRING, []() {
        SystemInformation::Show();
    });
    version->SetVerticalAlignment(UI::VerticalAlignment::Bottom);
    version->SetMargin(UI::Thickness(0, 0, 0, 15.0f));
    version->SetPadding(UI::Thickness(0,0));
    version->SetNormalColor(UI::Color(0, 0, 0, 0.0f));
    version->SetHoverColor(UI::Color(0, 0, 0, 0.0f));
    version->SetActiveColor(UI::Color(0, 0, 0, 0.0f)); // since systeminfo is currently blocking,having pressed show up at all times when open is not prefereable, remove once using panel modal
    layout->AddChild(std::move(version));
    auto spacer = std::make_unique<UI::Widget>();
    spacer->SetHorizontalAlignment(UI::HorizontalAlignment::Stretch);
    spacer->SetMaxSize(UI::Size(1000000.0f, 1000000.0f));
    layout->AddChild(std::move(spacer));
    layout->AddChild(std::make_unique<UI::IconActionButton>(ICON_MS_CREATE, "Create New"));
    layout->AddChild(std::make_unique<UI::IconActionButton>(ICON_MS_PHOTO_LIBRARY, "My Gallery", []() {
        ScreenLayer::OpenScreen(std::make_unique<ProjectsScreen>());
    }));
    layout->AddChild(std::make_unique<UI::IconActionButton>(ICON_MS_SETTINGS, "Settings"));
    panel->AddChild(std::move(layout));
    return panel;
}

std::unique_ptr<UI::Widget> TitleScreen::CreateRecentProjects() {
    const auto artworks = ArtworkManagementContext::GetLatest(20);
    auto layout = std::make_unique<UI::VirtualizingStackLayout>(
        artworks.size(),
        10.0f,
        240.0f,
        [artworks](std::size_t index) {
            return UI::ArtworkCard::GetSizeForArtwork(artworks[index], false);
        },
        [artworks](std::size_t index) {
            return std::make_unique<UI::ArtworkCard>(artworks[index], false);
        }
    );
    auto scrollable = std::make_unique<UI::ScrollArea>(UI::OverflowFlags::Horizontal);
    scrollable->SetPadding(UI::Thickness(32.0f, 0.0f));
    scrollable->AddChild(std::move(layout));
    return scrollable;
}

std::unique_ptr<UI::Widget> TitleScreen::CreateFooter() {
    auto footer = std::make_unique<UI::Label>("Made with <3 by HatLink & Contributors");
    footer->SetTextColor(UI::Color(0.0f, 0.0f, 0.0f, 1.0f));
    footer->SetPadding(UI::Thickness(32.0f, 0.0f));
    return footer;
}