substitutions:
  name: "energymonitor"
  friendly_name: "Energy Monitor"

esphome:
  name: ${name}
  friendly_name: ${friendly_name}
  name_add_mac_suffix: false
  project:
    name: monitor.energymonitor
    version: "1.0"
  on_boot:
    then:
      - light.turn_on: display_backlight

esp32:
  board: m5stack-core-esp32
  framework:
    type: esp-idf

network:
  enable_ipv6: true

wifi:
  networks:
    - ssid: "Voltage-legacy"
      password: !secret voltage_legacy_psk
      priority: 10
    - ssid: "Moppelkotze"
      password: !secret moppelkotze_psk
      priority: 5
  on_connect:
    - lambda: id(wifi_connected) = true;
  on_disconnect:
    - lambda: id(wifi_connected) = false;
  power_save_mode: high
  min_auth_mode: WPA2
  ap:
    ssid: "Energymonitor Fallback Hotspot"
    password: !secret fallback_psk

captive_portal:

time:
  - platform: sntp
    id: sntp_time
    timezone: Europe/Berlin
    servers:
      - de.pool.ntp.org

logger:

api:
  encryption:
    key: !secret apikey

ota:
  platform: esphome
  password: !secret ota

spi:
  clk_pin: GPIO18
  mosi_pin: GPIO23

output:
  - platform: gpio
    pin: GPIO32
    id: display_backlight_output

light:
  - platform: binary
    id: display_backlight
    name: "Display Backlight"
    output: display_backlight_output
    restore_mode: ALWAYS_ON

font:
  - file: "fonts/Roboto-Regular.ttf"
    id: font_small
    size: 18
    glyphsets:
      - GF_Latin_Kernel
    glyphs: ["äöüÄÖÜß"]
  - file: "fonts/Roboto-Bold.ttf"
    id: font_title
    size: 28
    glyphsets:
      - GF_Latin_Kernel
    glyphs: ["äöüÄÖÜß"]
  - file: "fonts/Roboto-Bold.ttf"
    id: font_value
    size: 52
    glyphsets:
      - GF_Latin_Kernel
    glyphs: ["äöüÄÖÜß"]

# M5CORE is the mipi_spi preset for the M5Stack Core's integrated display.
display:
  - platform: mipi_spi
    id: tft
    model: M5CORE
    cs_pin: GPIO14
    dc_pin: GPIO27
    reset_pin: GPIO33
    invert_colors: true
    update_interval: 1s
    lambda: |-
      it.fill(Color::BLACK);

      if (id(sntp_time).now().is_valid()) {
        it.strftime(284, 10, id(font_small), Color::WHITE, TextAlign::TOP_RIGHT,
                    "%H:%M", id(sntp_time).now());
      } else {
        it.printf(284, 10, id(font_small), Color::WHITE, TextAlign::TOP_RIGHT, "--:--");
      }

      // Four bars show RSSI quality; a crossed outline means Wi-Fi is disconnected.
      if (id(wifi_connected)) {
        int bars = 1;
        if (id(wifi_rssi).has_state()) {
          const float rssi = id(wifi_rssi).state;
          bars = rssi >= -55 ? 4 : rssi >= -67 ? 3 : rssi >= -75 ? 2 : 1;
        }
        for (int index = 0; index < 4; index++) {
          const int height = 5 + index * 5;
          const Color color = index < bars ? Color(64, 255, 64) : Color(48, 48, 48);
          it.filled_rectangle(290 + index * 5, 30 - height, 3, height, color);
        }
      } else {
        const Color disconnected_color = Color(255, 80, 80);
        it.rectangle(290, 10, 19, 19, disconnected_color);
        it.line(290, 10, 308, 28, disconnected_color);
        it.line(308, 10, 290, 28, disconnected_color);
      }

      if (id(page_index) == 0) {
        it.printf(12, 12, id(font_small), Color::WHITE, "Netzleistung");
        if (id(grid_power).has_state()) {
          it.printf(308, 32, id(font_value), Color::WHITE, TextAlign::TOP_RIGHT,
                    "%+.0f W", id(grid_power).state);
        } else {
          it.printf(308, 42, id(font_value), Color::WHITE, TextAlign::TOP_RIGHT,
                    "-- W");
        }

        it.printf(12, 99, id(font_small), Color::WHITE, "Balkonkraftwerk");
        if (id(balcony_solar_power).has_state()) {
          it.printf(308, 119, id(font_value), Color(255, 215, 0), TextAlign::TOP_RIGHT,
                    "%.0f W", id(balcony_solar_power).state);
        } else {
          it.printf(308, 129, id(font_value), Color(255, 215, 0), TextAlign::TOP_RIGHT,
                    "-- W");
        }
      } else {
        it.printf(160, 45, id(font_title), Color::WHITE, TextAlign::TOP_CENTER,
                  "Weitere Seite");
        it.printf(160, 95, id(font_small), Color::WHITE, TextAlign::TOP_CENTER,
                  "Für zusätzliche Werte vorbereitet");
      }

      // Labels correspond to the left (A) and right (C) hardware buttons.
      it.printf(8, 239, id(font_small), Color::WHITE, TextAlign::BOTTOM_LEFT,
                "< Zurück");
      it.printf(312, 239, id(font_small), Color::WHITE, TextAlign::BOTTOM_RIGHT,
                "Weiter >");
      it.printf(160, 239, id(font_small), Color::WHITE, TextAlign::BOTTOM_CENTER,
                "%d / 2", id(page_index) + 1);

globals:
  - id: page_index
    type: int
    restore_value: true
    initial_value: '0'
  - id: wifi_connected
    type: bool
    restore_value: false
    initial_value: 'false'

sensor:
  - platform: wifi_signal
    id: wifi_rssi
    internal: true
    update_interval: 10s
  - platform: homeassistant
    id: grid_power
    entity_id: sensor.netzleistung
    internal: true
  - platform: homeassistant
    id: balcony_solar_power
    entity_id: sensor.balkonkraftwerk_power
    internal: true

binary_sensor:
  # M5Stack Core button A (left). GPIO39 is input-only and has an external pull-up.
  - platform: gpio
    pin:
      number: GPIO39
      mode: INPUT
      inverted: true
    id: button_left
    on_press:
      then:
        - lambda: |-
            id(page_index) = (id(page_index) + 2 - 1) % 2;
        - component.update: tft

  # M5Stack Core button C (right). GPIO37 is input-only and has an external pull-up.
  - platform: gpio
    pin:
      number: GPIO37
      mode: INPUT
      inverted: true
    id: button_right
    on_press:
      then:
        - lambda: |-
            id(page_index) = (id(page_index) + 1) % 2;
        - component.update: tft