/*  xeslint-disable */
let lastMessageHash = 0;

////////////////////////////////////////////////////////
//
// translate, Log and optionally display errors
// return translated message in case caller needs it
function dealWithError(msg, vm) {
  //Check if this is the same message again as last time to avoid
  //repetitive loops of useless messages
  let newHash = window.$gz.util.quickHash(msg);
  if (newHash == lastMessageHash) {
    return;
  }
  lastMessageHash = newHash;

  //translate as necessary
  msg = window.$gz.translation.translateString(msg);

  //In some cases the error may not be translatable, if this is not a debug run then it should show without the ?? that translating puts in keys not found
  //so it's not as weird looking to the user
  //vm may be null here so check window gz for dev
  if (!window.$gz.dev && msg.includes("??")) {
    msg = msg.replace("??", "");
  }
  window.$gz.store.commit("logItem", msg);
  if (window.$gz.dev) {
    let errMsg = "Unexpected error: \r\n" + msg;
    // eslint-disable-next-line no-console
    console.error(errMsg);
    console.trace();
    debugger;
    // window.$gz.eventBus.$emit("notify-error", "Dev error see log / console");
    return;
  }

  //If a form instance was provided (vue instance)
  //and it can display and error then put the error into it
  if (!vm || vm.formState == undefined) {
    //popup if no place to display it elsewise
    window.$gz.eventBus.$emit("notify-error", msg);
    return;
  }

  //should be able to display in form...
  if (vm.$ay.dev) {
    //make sure formState.appError is defined on data
    if (!window.$gz._.has(vm, "formState.appError")) {
      throw new Error(
        "DEV ERROR errorHandler::dealWithError -> formState.appError seems to be missing from form's vue data object"
      );
    }
  }
  vm.formState.appError = msg;

  //TODO: What is this doing exactly?
  //it's related to server errors but I'm setting appError above
  //why two error properties?
  window.$gz.form.setErrorBoxErrors(vm);
}

///////////////////////////////////////////////////////////////////////////////////
// DECODE ERROR TO TEXT
// accept an unknown type of error variable
// and return human readable text
//
function decodeError(e, vm) {
  //empty?
  if (e == null || e == "") {
    return "errorHandler::decodeError - Error is unknown / empty";
  }

  //an Error object?
  if (e instanceof Error) {
    return `Error - Name:${e.name}, Message:${e.message}`;
  }

  //API error object?
  if (e.error) {
    let err = e.error;
    // {
    //   "code": "2002",
    //   "message": "See server log for details",
    //   "target": "Server internal error"
    // }
    let msg = "";
    if (err.code) {
      msg += err.code;
      msg += " - ";
      if (vm) {
        msg += vm.$ay.t("ErrorAPI" + err.code);
      }
      msg += "\n";
    }
    if (err.target) {
      msg += err.target;
      msg += "\n";
    }

    if (err.message) {
      msg += err.message;
      msg += "\n";
    }
    return msg;
  }

  //Javascript Fetch API Response object?
  if (e instanceof Response) {
    return `http error: ${err.statusText} - ${err.status} Url: ${err.url}`;
  }

  //last resort
  return JSON.stringify(e);
}
export default {
  handleGeneralError(message, source, lineno, colno, error) {
    let msg = "General error: \n" + message;
    if (source) {
      msg += "\nsource: " + source;
    }
    if (lineno) {
      msg += "\nlineno: " + lineno;
    }
    if (colno) {
      msg += "\ncolno: " + colno;
    }
    if (error) {
      if (typeof error === "object") {
        error = JSON.stringify(error);
      }
      msg += "\nerror: " + error;
    }
    dealWithError(msg);
  },
  handleVueError(err, vm, info) {
    let msg = "Vue error: \n" + decodeError(err, vm);
    if (err.fileName) {
      msg += "\nfilename: " + err.fileName;
    }
    if (err.lineNumber) {
      msg += "\nlineNumber: " + err.lineNumber;
    }
    if (info) {
      msg += "\ninfo: " + info;
    }
    if (err.stack) {
      msg += "\nSTACK:\n " + err.stack;
    }
    dealWithError(msg, vm);
  },
  handleVueWarning(wmsg, vm, trace) {
    let msg = "Vue warning: \n" + decodeError(wmsg, vm);
    if (trace) {
      msg += "\ntrace: " + trace;
    }
    dealWithError(msg, vm);
  },
  /////////////////////////////////////////////////
  //  translate, log and return error
  //
  handleFormError(err, vm) {
    //called inside forms when things go unexpectedly wrong
    dealWithError(decodeError(err, vm), vm);
  }
};
/*
ERROR CODES USED:
Client error codes are all in the range of E16 to E999
Server error codes are all in the range of E1000 to E1999
API specific (logic) error codes are all in the range of 2000 to 3000

CLIENT ERROR CODES:
E16 - ErrorUserNotAuthenticated
E17 - ErrorServerUnresponsive
E18 - Misc error without a translation key, unexpected throws etc or api error during server call, details in the message / Any error without a translation key defined basically

*/