Rough DB Design

// Staff Collection
{
  "_id": ObjectId(),
  "photo":any || binary,
  "firstName": "",
  "middleName": "",
  "lastName": "",
  "bloodGroup": "",
  "addresses": [
    {
      "addressLine1":"",
      "addressLine2":"",
      "state": "", //datalist from external api
      "city": "", //datalist from external api
      "country": "", //datalist form external api
      "pincode":""
    },
    {
      //secondary  if applicable
    }
  ],
  "email": "",
  "phones": [
    "+389123918",
    "+19381930" //secondary if applicable
  ],
  "role": "doctor"|| "nurse" || "receptionist" || "peon",
  "shifts": [ //will be updated alongside the shift collection if shift is changed
    {
      "shiftId": ObjectId(),
      "startTime": ISODate(),
      "endTime": ISODate()
    }
  ]
}


// Shift Collection
{
  "_id": ObjectId(),
  "name":"morning"|| etc....,
  "startTime": ISODate(),
  "endTime": ISODate(),
  "receptionists": [
    ObjectId("..."),
    ObjectId("...")
  ],
  "nurses": [
    ObjectId("..."),
    ObjectId("..."),
    ObjectId("..."),
    ObjectId("...")
  ],
  "doctors": [
    ObjectId("..."),
    ObjectId("...")
  ],
  "triageDoctor": ObjectId("...")
}


// Patient Collection
{
  "_id": ObjectId(),
  "photo":any || binary,
  "firstName": "",
  "middleName": "",
  "lastName": "",
  "addresses": [
    {
      "addressLine1":"",
      "addressLine2":"",
      "state": "",//datalist form external api
      "city": "",//datalist form external api
      "country": "",//datalist form external api
      "pincode":""
    },
    {
      //secondary  if applicable
    }
  ],
  "emails": "" || null,
  "phones": [
    "+2987654321",
    "+1021231230" //secondary if applicable
  ],
  "gaudian": [
    {
      "name": "",
      "relation": "",
      "mobileNo": ""
    }
  ],
  "bloodGroup": "",
  "admittedBy": ObjectId(), // reference to the receptionist
  "triageDoctor": ObjectId(), // reference to the triage doctor
  "caseDoctors": [
    {
      "id":ObjectId(), // only if admitted
      "name": "" //
    }
  ],
  "bedAssigned": {
    "bedId": ObjectId(), // only if admitted
    "nurse": ObjectId() // only if admitted
  },
  "medications": [ //nullable depends on situation
    {
      "medicationName": "",
      "prescribedBy": ObjectId(), //doctor reference
      "administeredBy": [
        {
          "nurseId": ObjectId(),
          "shiftId": ObjectId()
        }
      ]
    }
  ],
  "type": "regular"||"staff",
  "staffRole": "doctor"||"peon"||"nurse"||"receptionist",
  "status": "admitted" || "sent home"
}


//Bed Collection
{
  "_id": ObjectId(),
  "bedNumber": "",
  "location": "floors no.",
  "type": "regular"||"deluxe"...,
  "status": "available"|| "occupied",
  "patient": {
    "patientId": ObjectId(), // only if assigned
    "admittedDate": ISODate() // only if assigned
  }
}