#include "../hex_viewer.h"
#include "../helpers/hex_viewer_custom_event.h"
#include "../views/hex_viewer_scene_1.h"

void hex_viewer_scene_scene_1_callback(void* context) {
    HexViewer* app = (HexViewer*)context;
    view_dispatcher_send_custom_event(
        app->view_dispatcher, HexViewerCustomEventMenuPercentEntered);
}

void hex_viewer_scene_scene_1_on_enter(void* context) {
    furi_assert(context);
    HexViewer* app = context;

    TextInput* text_input = app->text_input;

    text_input_set_header_text(text_input, "Scroll to percent (0..100)");
    text_input_set_result_callback(
        text_input,
        hex_viewer_scene_scene_1_callback,
        app,
        app->percent_buf,
        HEX_VIEWER_PERCENT_INPUT,
        false);

    // ValidatorIsFile* validator_is_file = validator_is_file_alloc_init(
    //     IBUTTON_APP_FOLDER, IBUTTON_APP_FILENAME_EXTENSION, ibutton->key_name);
    // text_input_set_validator(text_input, validator_is_file_callback, validator_is_file);

    view_dispatcher_switch_to_view(app->view_dispatcher, HexViewerSceneScene_1);

    // if(success) {
    //     //
    // }

    // if(success) {
    //     // Load page to do something with result
    //     //scene_manager_next_scene(app->scene_manager, HexViewerViewIdMenu);
    //     //scene_manager_previous_scene(app->scene_manager); // temp for showcase
    //     scene_manager_search_and_switch_to_previous_scene(
    //         app->scene_manager, HexViewerViewIdStartscreen);
    // } else {
    //     // This is basically if someone quites the browser
    //     scene_manager_previous_scene(app->scene_manager);
    // }
}

bool hex_viewer_scene_scene_1_on_event(void* context, SceneManagerEvent event) {
    HexViewer* app = (HexViewer*)context;
    bool consumed = false;

    if(event.type == SceneManagerEventTypeCustom) {
        if(event.event == HexViewerCustomEventMenuPercentEntered) {
            int ipercent = atoi(app->percent_buf);
            // float percent = atof(app->percent_buf);
            ipercent = MIN(ipercent, 100);
            ipercent = MAX(ipercent, 0);
            float percent = ipercent / 100.0;

            uint32_t line_count = app->model->file_size / HEX_VIEWER_BYTES_PER_LINE;
            if(app->model->file_size % HEX_VIEWER_BYTES_PER_LINE != 0) line_count += 1;
            uint32_t scrollable_lines = line_count - HEX_VIEWER_LINES_ON_SCREEN;
            uint32_t target_line = (uint32_t)(percent * scrollable_lines);

            // uint32_t first_line_on_screen = model->file_offset / HEX_VIEWER_BYTES_PER_LINE;
            // if(line_count > HEX_VIEWER_LINES_ON_SCREEN) {
            //     uint8_t width = canvas_width(canvas);
            //     elements_scrollbar_pos(
            //         canvas,
            //         width,
            //         0,
            //         ROW_HEIGHT * HEX_VIEWER_LINES_ON_SCREEN,
            //         first_line_on_screen, // TODO
            //         line_count - (HEX_VIEWER_LINES_ON_SCREEN - 1));
            // }

            uint32_t new_file_offset = target_line * HEX_VIEWER_BYTES_PER_LINE;
            if(app->model->file_size > new_file_offset) {
                app->model->file_offset = new_file_offset;
                if(!hex_viewer_read_file(app)) new_file_offset = new_file_offset; // TODO Do smth
            }

            scene_manager_search_and_switch_to_previous_scene(
                app->scene_manager, HexViewerViewIdStartscreen);

            consumed = true;
        }
    }
    return consumed;
}

void hex_viewer_scene_scene_1_on_exit(void* context) {
    UNUSED(context);
}