swagger: '2.0'

info:
  version: '1.0.0'
  title: Order Fulfillment API
  description: >-
    This API provides ability to digital channel to purchase different offers and make payment through Netbanking or Card Payments.

host: api.mtn.com
basePath: /v1
schemes:
  - https
consumes:
  - application/json;charset=utf-8
produces:
  - application/json;charset=utf-8
securityDefinitions: 
  APIKeyAuth:
    type: apiKey
    name: x-API-Key
    in: header
  
security:
  - APIKeyAuth: []

tags:
  - name: OrderFulfillment

paths:
  /orderfulfillment:
    post:
      operationId: buyOffer
      summary: Provides ability to buy offer and make payment through Payment Gateway
      description: Provides ability to buy offer and make payment through Payment Gateway
      tags:
        - OrderFulfillment
      parameters:
        - name: order
          description: Describes the fields and attributes associated with order entity
          required: true
          in: body
          schema:
            $ref: '#/definitions/Order'
       
      
  
      responses:
        '201':
          description: Success
          schema:
            $ref: '#/definitions/OrderResponse'
        '400':
          description: Bad Request
          schema:
            $ref: '#/definitions/Error'
        '401':
          description: Unauthorized
          schema:
            $ref: '#/definitions/Error'
        '403':
          description: Forbidden
          schema:
            $ref: '#/definitions/Error'
        '404':
          description: Not Found
          schema:
            $ref: '#/definitions/Error'
        '405':
          description: Method Not allowed
          schema:
            $ref: '#/definitions/Error'
        '409':
          description: Conflict
          schema:
            $ref: '#/definitions/Error'
        '500':
          description: Internal Server Error
          schema:
            $ref: '#/definitions/Error' 

  
definitions:
  Order:
    type: object
    required:
      - eligibilityCheckFlag
      - extTransactionId
      - channelName
      - timestamp
    properties:
      customer:
        $ref: '#/definitions/customerRef'
      product:
        $ref: '#/definitions/productRef'
      
      timestamp:
        type: string
        description: Timestamp of order generation
        format: date-time
      eligibilityCheckFlag:
        type: boolean
        description: Flag determines if eligibiity check has to be performed or not. If eligibilty check is required then value should passed as "true" otherwise "false".
      extTransactionId:
        type: string
        description: Transaction Id of channel
        example: FB123456
      channelName:
        type: string
        description: Name of call intiating channel
        example: FB
        
  customerRef:
    type: object
    required:
      - customerId
      - customerName
    properties:
      customerId:
        type: string
        description : Customer who is purchasing
        example: 2349062059569
      beneficiaryId: 
        type: string
        description: Id of beneficiary for whom Customer wants to purchase, if purchase is for self , this value need not be populated
        example: 2349062059534
      customerName : 
        type: string
        description: Customer name who is purchasing
        example: Jack
      customerEmail :
        type: string
        description: Contact email id of Customer who is purchasing
        example: jack@mtn.com
  productRef:
    type: object
    required:
      - productId
      - productType
      - productPrice
    properties:
      productId:
        type: string
        description: Offer Id
        example: NACT_NG_Combo_20
      productName:
        type: string
        description: Offer Name
        example: Data and Voice Bundle 20
      productType:
        type: string
        description: Type of offers
        enum:
          - DataBundle
          - AirtimeTopUp
      productIsLoan:
        type: boolean
        description: A boolean to state if product is loaned. If loaned then "true" otherwise "false"
      productCurrency:
        type: string
        description: Currency in which payment has to be made
        example: "NGN"
      productPrice:
        type: number
        description: Price of Product
        example: 1000
        
  OrderResponse:
    type: object
    properties:
      statusCode:
        type: string
        description: HTTP error code extension
        example: "0000"
      customerId:
        type: string
        description: CustomerId provided in the input
        example: 2349062059569
      statusMessage:
        type: string
        description: Description of the processing result. Forexample incase there was an error, this will have the message showing the error that happened
        example: Success
      timeStamp:
        type: string
        description: Payment API call timestamp
        format: date-time
      transactionId:
            type: string
            description: This is the same transactionId that is sent in the request
            example: MTN12345678
      extTransactionId:
            type: string
            description: Channel Transaction Id
            example: FB123456
      data:
        type: object
        properties:
          PayPageLink:
            type: string
            description: Payment page redirection URL
            example: "https://paymentpage.com/pay"
 
  Error:
    required:
      - statusCode
      - statusMessage
    type: object
    properties:
      statusCode:
        type: string
        description: >-
          This is the MADAPI Canonical Error Code (it is 4 characters long and
          it is not the HTTP Status Code which is 3 characters long). Back-end
          system errors are mapped to specific canonical error codes which are
          returned. More information on these mappings can be found on the
          MADAPI Confluence Page 'Response Codes'
        example: '1000'
      statusMessage:
        type: string
        description: >-
          More details and corrective actions related to the error which can
          be shown to a client
      supportMessage:
        type: string
        description: >-
          Internal message meant for consumers of the API to troubleshoot the
          error (could possible include the back-end system error code in the
          message if it would be useful)
      transactionId:
        type: string
        description: This is the same transactionId that is sent in the request
      timestamp:
        type: string
        description: Timestamp of the error
        format: date-time