/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */
#include "../../../../inc/MarlinConfigPre.h"

#if HAS_TFT_LVGL_UI

#include "draw_ui.h"
#include <lv_conf.h>
//#include "../lvgl/src/lv_objx/lv_imgbtn.h"
//#include "../lvgl/src/lv_objx/lv_img.h"
//#include "../lvgl/src/lv_core/lv_disp.h"
//#include "../lvgl/src/lv_core/lv_refr.h"

#include "../../../../module/temperature.h"
#include "../../../../gcode/queue.h"
#include "../../../../gcode/gcode.h"
#include "../../../../inc/MarlinConfig.h"

extern lv_group_t * g;
static lv_obj_t * scr;
static lv_obj_t * fanText;

#define ID_F_ADD     1
#define ID_F_DEC     2
#define ID_F_HIGH    3
#define ID_F_MID     4
#define ID_F_OFF     5
#define ID_F_RETURN  6

static uint8_t fanSpeed;

static void event_handler(lv_obj_t * obj, lv_event_t event) {
  switch (obj->mks_obj_id) {
    case ID_F_ADD:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        if (fanSpeed + 1 <= 255) {
          fanSpeed++;
          ZERO(public_buf_l);
          sprintf_P(public_buf_l, PSTR("M106 S%d"), fanSpeed);
          gcode.process_subcommands_now(public_buf_l);
        }
      }
      break;
    case ID_F_DEC:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        if (fanSpeed > 0) {
          fanSpeed--;
          ZERO(public_buf_l);
          sprintf_P(public_buf_l, PSTR("M106 S%d"), fanSpeed);
          gcode.process_subcommands_now(public_buf_l);
        }
      }

      break;
    case ID_F_HIGH:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        gcode.process_subcommands_now_P(PSTR("M106 S255"));
      }
      break;
    case ID_F_MID:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        gcode.process_subcommands_now_P(PSTR("M106 S127"));
      }
      break;
    case ID_F_OFF:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        gcode.process_subcommands_now_P(PSTR("M107"));
      }
      break;
    case ID_F_RETURN:
      if (event == LV_EVENT_CLICKED) {
        // nothing to do
      }
      else if (event == LV_EVENT_RELEASED) {
        clear_cur_ui();
        draw_return_ui();
      }
      break;
  }
}

void lv_draw_fan(void) {
  lv_obj_t *buttonAdd, *buttonDec, *buttonHigh, *buttonMid;
  lv_obj_t *buttonOff, *buttonBack;

  #if HAS_FAN
    fanSpeed = thermalManager.fan_speed[0];
  #endif
  if (disp_state_stack._disp_state[disp_state_stack._disp_index] != FAN_UI) {
    disp_state_stack._disp_index++;
    disp_state_stack._disp_state[disp_state_stack._disp_index] = FAN_UI;
  }
  disp_state = FAN_UI;

  scr = lv_obj_create(NULL, NULL);

  lv_obj_set_style(scr, &tft_style_scr);
  lv_scr_load(scr);
  lv_obj_clean(scr);

  (void)lv_label_create(scr, TITLE_XPOS, TITLE_YPOS, creat_title_text());

  lv_refr_now(lv_refr_get_disp_refreshing());

  // Create an Image button
  buttonAdd  = lv_imgbtn_create(scr, "F:/bmp_Add.bin", INTERVAL_V, titleHeight, event_handler, ID_F_ADD);
  lv_obj_clear_protect(buttonAdd, LV_PROTECT_FOLLOW);

  buttonDec  = lv_imgbtn_create(scr, "F:/bmp_Dec.bin", BTN_X_PIXEL * 3 + INTERVAL_V * 4, titleHeight, event_handler, ID_F_DEC);
  buttonHigh = lv_imgbtn_create(scr, "F:/bmp_speed255.bin", INTERVAL_V, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_F_HIGH);
  buttonMid  = lv_imgbtn_create(scr, "F:/bmp_speed127.bin", BTN_X_PIXEL + INTERVAL_V * 2, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_F_MID);
  buttonOff  = lv_imgbtn_create(scr, "F:/bmp_speed0.bin", BTN_X_PIXEL * 2 + INTERVAL_V * 3, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_F_OFF);
  buttonBack = lv_imgbtn_create(scr, "F:/bmp_return.bin", BTN_X_PIXEL * 3 + INTERVAL_V * 4, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_F_RETURN);

  // Create labels on the image buttons
  lv_obj_t *labelAdd = lv_label_create_empty(buttonAdd);
  lv_obj_t *labelDec = lv_label_create_empty(buttonDec);
  lv_obj_t *labelHigh = lv_label_create_empty(buttonHigh);
  lv_obj_t *labelMid = lv_label_create_empty(buttonMid);
  lv_obj_t *labelOff = lv_label_create_empty(buttonOff);
  lv_obj_t *label_Back = lv_label_create_empty(buttonBack);

  if (gCfgItems.multiple_language) {
    lv_label_set_text(labelAdd, fan_menu.add);
    lv_obj_align(labelAdd, buttonAdd, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);

    lv_label_set_text(labelDec, fan_menu.dec);
    lv_obj_align(labelDec, buttonDec, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);

    lv_label_set_text(labelHigh, fan_menu.full);
    lv_obj_align(labelHigh, buttonHigh, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);

    lv_label_set_text(labelMid, fan_menu.half);
    lv_obj_align(labelMid, buttonMid, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);

    lv_label_set_text(labelOff, fan_menu.off);
    lv_obj_align(labelOff, buttonOff, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);

    lv_label_set_text(label_Back, common_menu.text_back);
    lv_obj_align(label_Back, buttonBack, LV_ALIGN_IN_BOTTOM_MID, 0, BUTTON_TEXT_Y_OFFSET);
  }
  #if HAS_ROTARY_ENCODER
    if (gCfgItems.encoder_enable) {
      lv_group_add_obj(g, buttonAdd);
      lv_group_add_obj(g, buttonDec);
      lv_group_add_obj(g, buttonHigh);
      lv_group_add_obj(g, buttonMid);
      lv_group_add_obj(g, buttonOff);
      lv_group_add_obj(g, buttonBack);
    }
  #endif

  fanText = lv_label_create_empty(scr);
  lv_obj_set_style(fanText, &tft_style_label_rel);
  disp_fan_value();
}

void disp_fan_value() {
  char buf1[10] = {0};
  public_buf_l[0] = '\0';
  strcat(public_buf_l, fan_menu.state);
  strcat_P(public_buf_l, PSTR(": "));
  sprintf_P(buf1, PSTR("%3d"), thermalManager.fan_speed[0]);
  strcat(public_buf_l, buf1);
  lv_label_set_text(fanText, public_buf_l);
  lv_obj_align(fanText, NULL, LV_ALIGN_CENTER, 0, -65);
}

void lv_clear_fan() {
  #if HAS_ROTARY_ENCODER
    if (gCfgItems.encoder_enable) lv_group_remove_all_objs(g);
  #endif
  lv_obj_del(scr);
}

#endif // HAS_TFT_LVGL_UI