#####################################################################################################
##### NSPANEL ESPHOME created by Blackymas - https://github.com/Blackymas/NSPanel_HA_Blueprint  #####
##### TFT Upload engine                                                                         #####
##### PLEASE only make changes if it is necessary and also the required knowledge is available. #####
##### For normal use with the Blueprint, no changes are necessary.                              #####
#####################################################################################################

substitutions:

  ################## Defaults ##################
  # Just in case user forgets to set something #
  nextion_update_url: "https://github.com/Blackymas/NSPanel_HA_Blueprint/raw/main/nspanel_eu.tft"
  # nextion_update_blank_url: "https://github.com/Blackymas/NSPanel_HA_Blueprint/raw/main/custom_configuration/nspanel_blank.tft"
  ##############################################

external_components:
  - source: github://pr#5683 # Remove this when that pr is merged
    components:
      - nextion

button:
  ##### UPDATE TFT DISPLAY #####
  - name: ${device_name} Update TFT display
    platform: template
    icon: mdi:file-sync
    id: tft_update
    entity_category: config
    on_press:
      - logger.log: "Button pressed: Update TFT display"
      - lambda: |-
          upload_tft->execute("${nextion_update_url}");

api:
  services:
      ##### SERVICE TO UPDATE THE TFT FILE from URL #####
      ##### It will use the default url if url is empty or "default"
      - service: upload_tft_url
        variables:
          url: string
        then:
          - lambda: |-
              static const char *const TAG = "service.upload_tft_url";
              ESP_LOGVV(TAG, "Starting...");

              std::string clean_url = url;
              // Convert to lowercase
              std::transform(clean_url.begin(), clean_url.end(), clean_url.begin(),
                            [](unsigned char c){ return std::tolower(c); });
              // Trim trailing spaces
              auto endPos = clean_url.find_last_not_of(" \t");
              if (std::string::npos != endPos) {
                clean_url = clean_url.substr(0, endPos + 1);
              }

              if ( clean_url.empty() or clean_url == "default") url = "${nextion_update_url}";
              upload_tft->execute(url.c_str());

display:
  - id: !extend disp1
    tft_url: ${nextion_update_url}

script:
  - id: upload_tft
    mode: single
    parameters:
      url: string
    then:
      - lambda: |-
          static const char *const TAG = "script.upload_tft";
          ESP_LOGVV(TAG, "Starting...");

          nextion_init->state = false;

          auto delay_seconds_ = [](int seconds) {
            ESP_LOGD(TAG, "Wait %i seconds", seconds);
            for (int i = 0; i < (seconds*4); i++) {
              #ifdef ARDUINO
              delay(250);
              #elif defined(USE_ESP_IDF)
              vTaskDelay(pdMS_TO_TICKS(250));
              #endif
              App.feed_wdt();
            }
          };

          ESP_LOGV(TAG, "Setting TFT url: %s", url.c_str());
          disp1->set_tft_url(url.c_str());
          unsigned int upload_tries = 0;
          while (upload_tries < 3) {
            upload_tries++;
            ESP_LOGD(TAG, "Try #%i", upload_tries);
            nextion_status->execute();
            ESP_LOGD(TAG, "Setting Nextion protocol reparse mode to passive");
            exit_reparse->execute();
            delay_seconds_(2);
            ESP_LOGV(TAG, "Calling upload from Nextion component");
            if (disp1->upload_tft()) id(restart_nspanel).press();
            ESP_LOGD(TAG, "Turn off Nextion");
            screen_power->turn_off();
            delay_seconds_(3);
            ESP_LOGD(TAG, "Turn on Nextion");
            screen_power->turn_on();
            delay_seconds_(10);
          }
          ESP_LOGE(TAG, "TFT upload failed.");
          ESP_LOGD(TAG, "Turn off Nextion");
          screen_power->turn_off();
          delay_seconds_(2);
          ESP_LOGD(TAG, "Turn on Nextion");
          screen_power->turn_on();
          ESP_LOGD(TAG, "Restarting esphome");
          delay_seconds_(1);
          restart_nspanel->press();
          nextion_init->state = true;
          ESP_LOGV(TAG, "Finished!");