openapi: 3.0.0
info:
  title: fhir-api
  description: A simple API for searching and getting patient records from FHIR database
  version: 1.0.0
servers:
- url: <input url here>

paths:
  /get_patient_emr:
    get:
      summary: Get a patient record based on patient id
      description: Returns a list of patient details based on patient id
      operationId: getPatient
      parameters:
        - name: patient_id
          in: query
          description: ID of the patient to return
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful operation
        '404':
          description: Patient not found
        '500':
          description: Internal server error
      x-amazon-apigateway-integration:
        uri: arn:aws:apigateway:${Region}:lambda:path/2015-03-31/functions/${LambdaFunctionArn}/invocations
        httpMethod: GET
        type: aws_proxy

  /search_immunization_emr:
    post:
      summary: Search immunization records
      description: Search immunization records based on Patient Id
      operationId: searchImmunization
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/searchImmunization'
      responses:
        '200':
          description: Successful operation
        '400':
          description: Bad request
        '500':
          description: Internal server error
      x-amazon-apigateway-integration:
        uri: arn:aws:apigateway:${Region}:lambda:path/2015-03-31/functions/${LambdaFunctionArn}/invocations
        httpMethod: POST
        type: aws_proxy

  /book_appointment:
    post:
      summary: Book an appointment
      description: Book appointment as per given datetime slot
      operationId: bookAppointment
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bookAppointment'
      responses:
        '200':
          description: Successful operation
        '400':
          description: Bad request
        '500':
          description: Internal server error
      x-amazon-apigateway-integration:
        uri: arn:aws:apigateway:${Region}:lambda:path/2015-03-31/functions/${LambdaFunctionArn}/invocations
        httpMethod: POST
        type: aws_proxy

  /get_available_slots:
    get:
      summary: Get available slots as per immunization schedule date
      description: Returns doctor details along with available datetime slots
      operationId: getSlots
      parameters:
        - name: date_string
          in: query
          description: Preferred date in YYYY-MM-DD
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful operation
        '404':
          description: Slots not found
        '500':
          description: Internal server error
      x-amazon-apigateway-integration:
        uri: arn:aws:apigateway:${Region}:lambda:path/2015-03-31/functions/${LambdaFunctionArn}/invocations
        httpMethod: GET
        type: aws_proxy

components:
  schemas:
    searchImmunization:
      type: object
      required:
        - search_value
      properties:
        search_value:
          type: string
          description: Patient ID to search for immunization records
          example: pediatric-patient-001
    bookAppointment:
      type: object
      required:
        - date_string
      properties:
        date_string:
          type: string
          description: Preferred date and time in YYYY-MM-DD HH:MM format
          example: 2025-08-15 16:00