#include "Tactility/lvgl/LabelUtils.h"
#include "Tactility/lvgl/Style.h"
#include "Tactility/lvgl/Toolbar.h"
#include "Tactility/service/loader/Loader.h"

#include <Tactility/TactilityCore.h>

#include <lvgl.h>

#define TAG "text_viewer"
#define TEXT_VIEWER_FILE_ARGUMENT "file"

namespace tt::app::textviewer {

class TextViewerApp : public App {

    void onShow(AppContext& app, lv_obj_t* parent) override {
        lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
        lvgl::toolbar_create(parent, app);

        auto* wrapper = lv_obj_create(parent);
        lv_obj_set_width(wrapper, LV_PCT(100));
        lv_obj_set_flex_grow(wrapper, 1);
        lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
        lv_obj_set_style_pad_all(wrapper, 0, 0);
        lvgl::obj_set_style_bg_invisible(wrapper);

        auto* label = lv_label_create(wrapper);
        lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
        auto parameters = app.getParameters();
        tt_check(parameters != nullptr, "Parameters missing");
        bool success = false;
        std::string file_argument;
        if (parameters->optString(TEXT_VIEWER_FILE_ARGUMENT, file_argument)) {
            TT_LOG_I(TAG, "Opening %s", file_argument.c_str());
            if (lvgl::label_set_text_file(label, file_argument.c_str())) {
                success = true;
            }
        }

        if (!success) {
            lv_label_set_text_fmt(label, "Failed to load %s", file_argument.c_str());
        }
    }
};

extern const AppManifest manifest = {
    .id = "TextViewer",
    .name = "Text Viewer",
    .type = Type::Hidden,
    .createApp = create<TextViewerApp>
};

void start(const std::string& file) {
    auto parameters = std::make_shared<Bundle>();
    parameters->putString(TEXT_VIEWER_FILE_ARGUMENT, file);
    service::loader::startApp(manifest.id, parameters);
}


} // namespace