import { v4 as uuidv4 } from 'uuid';
import { SemanticAttributes } from '@opentelemetry/semantic-conventions';
import { Tracer, Span } from '@opentelemetry/sdk-trace-base';
import { OpentelemetryAgendaProvider, OpentelemetryChatProvider, OpentelemetryInterceptorProvider, OpentelemetryLogging, OpentelemetryNotificationProvider } from './opentelemetry';
import { Device, DeviceInfo } from '@capacitor/device';
import { SessionStore } from 'src/app/store/session.service';
import { environment } from 'src/environments/environment';
import { UseCaseCounter } from './matrix';
import { openTelemetryLogging } from './logging';
import  {
  SpanStatus, SpanStatusCode
} from '@opentelemetry/api';
const tracerInstance = OpentelemetryAgendaProvider.getTracer('example-tracer-hole', '111', {})
const tracerNotificationInstance = OpentelemetryNotificationProvider.getTracer('example-tracer-hole', '111', {})
const tracerChat = OpentelemetryChatProvider.getTracer('OpentelemetryChatProvider','some' ,{})
let device: DeviceInfo;

Device.getInfo().then(e => {
  device = e
});

function convertAttributesToString(obj) {
  const result = {};

  for (const key in obj) {
    if (obj.hasOwnProperty(key)) {
      if (typeof obj[key] === 'object' && obj[key] !== null) {
        // Convert only the object attribute to string
        result[key] = JSON.stringify(obj[key], null, 2);
      } else {
        // Convert primitive values to string
        result[key] = obj[key];
      }
    }
  }

  return result;
}


const createTracingInstance = ({bugPrint, name, module, autoFinish}): TracingType => {
  const requestId = uuidv4()

  let _tracerInstance:Tracer

  if(module == 'notification') {
    _tracerInstance = tracerNotificationInstance
  } else if (module == 'chat') {
    _tracerInstance = tracerChat
  } else {
    _tracerInstance = tracerInstance
  }

  const span = _tracerInstance.startSpan(name);
  let finish = false

  const data = {
    event: {},
    tags: {},
    status: {} as any,
    logs:[],
    errors: []
  }

  const returnObject =  {
    name,
    span: span as any,
    tracer: tracerInstance,
    tracerId: requestId,
    attributes: SemanticAttributes,
    setStatus: (status: SpanStatus) => {
      span.setStatus(status);
    },
    addEvent: (context: string, message: string = "") => {

      data.event[context] = message;
      span.addEvent(context, message as any);
    },
    LocalLogEvent:(context: string, message: any, obj: any) => {
      data.tags[context] = message;
    },
    setAttribute: (key: string, value: string) => {
      data.tags[key] = value;
      span.setAttribute(key, value);

      if(key =='outcome' &&  value == 'failed') {
        if(data.errors.length == 0) {
          returnObject.hasError('error')
        }
        if(!autoFinish) {
          returnObject.finish()
        }
      } else if (key =='outcome' &&  value == 'success') {
        span.setStatus({code: SpanStatusCode.OK, message:name})
        if(!autoFinish) {
          returnObject.finish()
        }
      }
    },
    log(message: string, dataObject: Object) {
      const spanId = span.spanContext().spanId;
      const _tracer = OpentelemetryLogging.getTracer('logging')
      const spanContext = _tracer.startSpan(name)

      dataObject = convertAttributesToString(dataObject)

      if(environment.apiURL != 'https://gdqas-api.oapr.gov.ao/api/') {
        openTelemetryLogging.send({
          type: 'graylog',
          spanContext,
          payload: {
            message: message,
            object: {
              ...dataObject,
              spanId,
              name,
              user:  SessionStore?.user?.FullName,
              device_name: device?.name || device?.model,
              commit_date: environment.version.lastCommitTime,
            }
          }
        })
      }

      data.logs.push(dataObject)

    },
    getAttribute: (key: string) => {
      return data.tags[key]
    },
    finish: () => {
      if(finish) return

      if(environment.apiURL != 'https://gdqas-api.oapr.gov.ao/api/') {
        span.setAttribute('error.list', data.errors.join(','))
        span.end();
        UseCaseCounter.add(1, {user: SessionStore?.user?.FullName, outcome:data.tags['outcome'] || data.status?.code , usecase: name})
      }

      if(bugPrint && (data.tags['outcome'] == 'failed' || data.status?.code == SpanStatusCode.ERROR)) {
        console.error(name, data)
      }

      finish = true
    },
    hasError:(message: string) => {
      data.errors.push(message)
      data.status = {code: SpanStatusCode.ERROR, message}
      span.setStatus({code: SpanStatusCode.ERROR, message})
    },
    createSpan: (name, parent?: any) => {
      return tracerInstance.startSpan(name, { root: false }, parent) as Span;
    }
  }
  return returnObject
}

export function XTracerAsync({ name, bugPrint, module = null, autoFinish = true, daley =0 }) {
  return (
    target: unknown,
    propertyKey: string,
    descriptor: PropertyDescriptor,
  ) => {
    const originalMethod = descriptor.value;
    descriptor.value = async function (...args: unknown[]) {


      const tracing = createTracingInstance({bugPrint, name, module, autoFinish})

      tracing.setAttribute('User', SessionStore?.user?.FullName);
      tracing.setAttribute('current.page', window.location.pathname);
      tracing.setAttribute('device.name', device?.name || device?.model)
      tracing.setAttribute('commit.date', environment.version.lastCommitTime)
      tracing.setAttribute('commit.branch', environment.version.branch)


      args.push(tracing)

      try {
        const result = await originalMethod.apply(this, args);

        if(autoFinish ) {
          setTimeout(tracing.finish , daley)
        }

        return result
      } catch (e) {
        tracing.setAttribute('catch', 'true')
        tracing.log("cath", {
          error: e
        })

        if(autoFinish) {
          setTimeout(tracing.finish , daley)
        }
        console.error(e);
        return false
      }
    };
  };
}


export function XTracer({ name, bugPrint, module, autoFinish = true, daley =0 }) {
  return (
    target: unknown,
    propertyKey: string,
    descriptor: PropertyDescriptor,
  ) => {
    const originalMethod = descriptor.value;
    descriptor.value =  function (...args: unknown[]) {

      const tracing = createTracingInstance({bugPrint, name, module, autoFinish})

      tracing.setAttribute('User', SessionStore?.user?.FullName);
      tracing.setAttribute('current.page', window.location.pathname);
      tracing.setAttribute('device.name', device?.name || device?.model)
      tracing.setAttribute('commit.date', environment.version.lastCommitTime)
      tracing.setAttribute('commit.branch', environment.version.branch)

      args.push(tracing)

      try {
        const result = originalMethod.apply(this, args);


        if(autoFinish) {
          setTimeout(tracing.finish , daley)
        }
        return result
      } catch (e) {

        tracing.setAttribute('catch', 'true')
        tracing.log("cath", {
          error: e
        })

        if(autoFinish) {
          setTimeout(tracing.finish , daley)
        }
        console.error(e);
        return false
      }
    };
  };
}

export type TracingType = {
  name: string,
  span: Span;
  tracer: Tracer;
  tracerId: string;
  attributes: typeof SemanticAttributes;
  // axios: (config?: AxiosRequestConfig) => AxiosInstance;
  setStatus: (status: any) => void;
  log: (message: string, data: Object) => void;
  addEvent: (context: string, message?: any, obj?: any)  => void;
  setAttribute: (key: string, value: string) => void;
  getAttribute: (key: string) => string;
  LocalLogEvent: (name: string, attributesOrStartTime: any, obj?:any) => void;
  finish: () => void;
  hasError:(message: string) => void;
  createSpan:(name, parent?: any) => Span;
};

export interface UserInteraction {
  readonly params: any;
  readonly tracing: TracingType;
  readonly user: Pick<any, 'login'>;
  readonly headers: Headers & { authorization: string };
}

export type InteractionTrancingInput = Pick<UserInteraction, 'user' | 'tracing'>;

export const getPathWithoutUUID = (path: string) =>
  path.replace(
    /[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}$/,
    'uuid',
  );