import { API, CharacteristicValue, PlatformAccessory, Service, Characteristic } from 'homebridge';
import { SmartHQClient, DeviceService } from 'ge-smarthq-api';
import { SmartHqPlatform } from '../platform.js';

/**
 * Platform Accessory
 * An instance of this class is created for each accessory your platform registers
 * Each accessory may expose multiple services of different service types.
 */
export class InteriorLight {
  private client: SmartHQClient;
  public readonly Service: typeof Service;
  public readonly Characteristic: typeof Characteristic;
  private readonly api: API;

  constructor(
    private readonly platform: SmartHqPlatform,
    private readonly accessory: PlatformAccessory,
    public readonly deviceServices: DeviceService[],
    public readonly deviceId: string,
    ) {

    this.api = platform.api; 
    this.Service = this.api.hap.Service;
    this.Characteristic = this.api.hap.Characteristic;
    this.accessory = accessory;
    this.deviceServices = deviceServices;
    this.deviceId = deviceId;
    this.client = new SmartHQClient({
      clientId:       platform.config.clientId,
      clientSecret:   platform.config.clientSecret,
      redirectUri:    platform.config.redirectUri,
      debug:          platform.config.debugLogging || false,
    });
    

    let hasInteriorLight = false;
    for (const service of deviceServices) {
      if (service.serviceDeviceType === 'cloud.smarthq.device.refrigerator'
        && service.serviceType      === 'cloud.smarthq.service.integer'
        && service.domainType       === 'cloud.smarthq.domain.brightness.light') {
        hasInteriorLight = true;
      }
    }
    if (!hasInteriorLight) {
      this.client.debug('No supported Interior Light service found for device: ' + this.accessory.displayName);
      return;
    }
    this.client.debug('Adding Interior Light Switch');
    // set accessory information
    
    //=====================================================================================
    // create a new Lightbulb service for the Refrigerator Wall Brightness Light
    //=====================================================================================
    const displayName = "Fridge Light"; 
    const refrigeratorLight = this.accessory.getService(displayName) 
    || this.accessory.addService(this.Service.Lightbulb, displayName,  `${this.deviceId}-fridgelight`);
    
    refrigeratorLight.setCharacteristic(this.Characteristic.Name,  displayName);
    refrigeratorLight.addOptionalCharacteristic(this.Characteristic.ConfiguredName)
    refrigeratorLight.setCharacteristic(this.Characteristic.ConfiguredName, displayName)

    refrigeratorLight.getCharacteristic(this.Characteristic.On).updateValue(true);
    refrigeratorLight.getCharacteristic(this.Characteristic.On)
      .onGet(this.getRefrigBrightnessLightOn.bind(this))
      .onSet(this.setRefrigBrightnessLightOn.bind(this));

    refrigeratorLight.getCharacteristic(this.Characteristic.Brightness)
      .onGet(this.getFridgeBackLight.bind(this))
      .onSet(this.setFridgeBackLight.bind(this));
}


  //=====================================================================================
  async getFridgeBackLight(): Promise<CharacteristicValue> {
    let brightness = 0;
    for (const service of this.deviceServices) {
      if  (service.serviceDeviceType === 'cloud.smarthq.device.refrigerator' 
        && service.serviceType       === 'cloud.smarthq.service.integer') {

        try {
          const response = await this.client.getServiceDetails(this.deviceId, service.serviceId);
          if (response?.state?.value == null) {
            this.client.debug('No state.value returned from getFridgeBackLight state');
            return false;
          }
          brightness = Number(response?.state?.value);
          break;
        } catch (error) {
          this.client.debug('Error getting Refrigerator Back Light value: ' + error);
        }
      }
    }
    return brightness;
  }
  //=====================================================================================
  // Set handler for Brightness  characteristics for Lightbulb service
  //=====================================================================================
  async setFridgeBackLight(value: CharacteristicValue) {

    const cmdBody = {
      command: {
        commandType: 'cloud.smarthq.command.integer.set',
        value: value as number
      },
      kind:               'service#command',
      deviceId:           this.deviceId,
      serviceDeviceType:  'cloud.smarthq.device.refrigerator',
      serviceType:        'cloud.smarthq.service.integer',
      domainType:         'cloud.smarthq.domain.brightness.light'
    };
    
    try {
      const response = await this.client.sendCommand(cmdBody);

      if (response == null) {
        this.client.debug('No response from setFridgeBackLight command');
        return;
      }
    } catch (error) {
      this.client.debug('Error sending setFridgeBackLight command: ' + error);
    }
};
 
  //=====================================================================================
  async getRefrigBrightnessLightOn() {
    // SmartHQ API does not have an On/Off command for the refrigerator brightness light only brightness level 0-100
    return true;
  }

  //=====================================================================================
  async setRefrigBrightnessLightOn(value: CharacteristicValue) {
    // SmartHQ API does not have an On/Off command for the refrigerator brightness light only brightness level 0-100
    if (value === false) {
      return
    }
    
  }
}