#pragma once

#include "gui.h"

#include <m-algo.h>
#include <m-array.h>
#include <stdio.h>

#include "message_queue.h"
#include "mutex.h"
#include "pubsub.h"
#include "view_port.h"
#include "view_port_i.h"

#define GUI_DISPLAY_WIDTH 128
#define GUI_DISPLAY_HEIGHT 64

#define GUI_STATUS_BAR_X 0
#define GUI_STATUS_BAR_Y 0
#define GUI_STATUS_BAR_WIDTH GUI_DISPLAY_WIDTH
/* 0-1 pixels for upper thin frame
 * 2-9 pixels for icons (battery, sd card, etc)
 * 10-12 pixels for lower bold line */
#define GUI_STATUS_BAR_HEIGHT 13
/* icon itself area (battery, sd card, etc) excluding frame.
 * painted 2 pixels below GUI_STATUS_BAR_X.
 */
#define GUI_STATUS_BAR_WORKAREA_HEIGHT 8

#define GUI_WINDOW_X 0
#define GUI_WINDOW_Y GUI_STATUS_BAR_HEIGHT
#define GUI_WINDOW_WIDTH GUI_DISPLAY_WIDTH
#define GUI_WINDOW_HEIGHT (GUI_DISPLAY_HEIGHT - GUI_WINDOW_Y)

#define GUI_THREAD_FLAG_DRAW (1 << 0)
#define GUI_THREAD_FLAG_INPUT (1 << 1)
#define GUI_THREAD_FLAG_ALL (GUI_THREAD_FLAG_DRAW | GUI_THREAD_FLAG_INPUT)

ARRAY_DEF(ViewPortArray, ViewPort*, M_PTR_OPLIST);

typedef struct {
    GuiCanvasCommitCallback callback;
    void* context;
} CanvasCallbackPair;

/** Gui structure */
struct NbGui {
    // Thread and lock
    FuriThreadId thread_id;
    FuriMutex* mutex;

    // Layers and Canvas
    bool lockdown;
    ViewPortArray_t layers[GuiLayerMAX];
    lv_obj_t* lvgl_parent;

    // Input
    /*
    FuriMessageQueue* input_queue;
    FuriPubSub* input_events;
    uint8_t ongoing_input;
    ViewPort* ongoing_input_view_port;
    */
};

/** Find enabled ViewPort in ViewPortArray
 *
 * @param[in]  array  The ViewPortArray instance
 *
 * @return     ViewPort instance or NULL
 */
ViewPort* gui_view_port_find_enabled(ViewPortArray_t array);

/** Update GUI, request redraw
 *
 * @param      gui   Gui instance
 */
void gui_update(NbGui* gui);

///** Input event callback
// *
// * Used to receive input from input service or to inject new input events
// *
// * @param[in]  value  The value pointer (InputEvent*)
// * @param      ctx    The context (Gui instance)
// */
//void gui_input_events_callback(const void* value, void* ctx);

/** Get count of view ports in layer
 *
 * @param      gui        The Gui instance
 * @param[in]  layer      GuiLayer that we want to get count of view ports
 */
size_t gui_active_view_port_count(NbGui* gui, GuiLayer layer);

/** Lock GUI
 *
 * @param      gui   The Gui instance
 */
void gui_lock(NbGui* gui);

/** Unlock GUI
 *
 * @param      gui   The Gui instance
 */
void gui_unlock(NbGui* gui);