openapi: 3.1.1
info:
  title: Retail — Food and Beverage Offer Attributes (v2.1)
  version: 2.1.0
  description: >
    Food and beverage-specific offer attributes for prepared foods with customization options.
    Migrated from FoodAndBeverageOffer (v2) to the v2.1 generalised model.
    Extends RetailOffer via allOf to add customization groups and options.
    Attaches to beckn:Offer via offerAttributes.

components:
  schemas:
    FoodAndBeverageOffer:
      type: object
      additionalProperties: false
      x-beckn-container: offerAttributes
      x-jsonld:
        "@context": "https://schema.beckn.io/FoodAndBeverageOffer/v2.1/context.jsonld"
        "@type": fnbo:FoodAndBeverageOffer
      allOf:
        - $ref: "../../RetailOffer/v2.1/attributes.yaml#/components/schemas/RetailOffer"
        - type: object
          properties:
            customization:
              type: object
              additionalProperties: false
              required: [groups]
              properties:
                groups:
                  type: array
                  minItems: 1
                  items:
                    type: object
                    additionalProperties: false
                    required: [code, selection, options]
                    properties:
                      code:
                        type: string
                        description: Unique code for the customization group (e.g., SIZE, TOPPINGS, SAUCE)
                        x-jsonld:
                          "@id": "fnbo:customizationGroupCode"
                      name:
                        type: string
                        description: Human-readable name for the customization group (e.g., "Pizza Size", "Extra Toppings")
                        x-jsonld:
                          "@id": "fnbo:customizationGroupName"
                      selection:
                        type: string
                        enum:
                          - SINGLE_REQUIRED
                          - SINGLE_OPTIONAL
                          - MULTIPLE_OPTIONAL
                        description: >
                          Selection constraint for this group.
                          SINGLE_REQUIRED: customer must select exactly one option.
                          SINGLE_OPTIONAL: customer may select zero or one option.
                          MULTIPLE_OPTIONAL: customer may select zero or more options.
                        x-jsonld:
                          "@id": "fnbo:customizationSelection"
                      minSelections:
                        type: integer
                        minimum: 0
                        description: Minimum number of options that must be selected (for MULTIPLE_OPTIONAL)
                        x-jsonld:
                          "@id": "fnbo:minSelections"
                      maxSelections:
                        type: integer
                        minimum: 1
                        description: Maximum number of options that may be selected (for MULTIPLE_OPTIONAL)
                        x-jsonld:
                          "@id": "fnbo:maxSelections"
                      options:
                        type: array
                        minItems: 1
                        items:
                          type: object
                          additionalProperties: false
                          required: [code, name]
                          properties:
                            code:
                              type: string
                              description: Unique code for the option within this group (e.g., SMALL, MEDIUM, LARGE for SIZE)
                              x-jsonld:
                                "@id": "fnbo:optionCode"
                            name:
                              type: string
                              description: Human-readable name for the option (e.g., "Small - 8 inch", "Extra Cheese")
                              x-jsonld:
                                "@id": "fnbo:optionName"
                            priceDelta:
                              type: object
                              additionalProperties: false
                              properties:
                                type:
                                  type: string
                                  enum: [FIXED, PERCENTAGE]
                                  description: Price delta type. FIXED = absolute amount, PERCENTAGE = percent of base price
                                  x-jsonld:
                                    "@id": "fnbo:priceDeltaType"
                                value:
                                  type: number
                                  description: Price delta value (positive or negative)
                                  x-jsonld:
                                    "@id": "fnbo:priceDeltaValue"
                              description: Price adjustment for selecting this option
                              x-jsonld:
                                "@id": "fnbo:priceDelta"
                            itemRef:
                              type: string
                              description: Reference to a beckn:Resource if this option represents a distinct item
                              x-jsonld:
                                "@id": "fnbo:itemRef"
                            offerRef:
                              type: string
                              description: Reference to a beckn:Offer if this option represents a distinct offer
                              x-jsonld:
                                "@id": "fnbo:offerRef"
                            available:
                              type: boolean
                              default: true
                              description: Whether this option is currently available
                              x-jsonld:
                                "@id": "fnbo:available"
                        description: Array of available options for this customization group
                        x-jsonld:
                          "@id": "fnbo:options"
                  description: Customization groups (SIZE, TOPPINGS, SAUCE, etc.)
                  x-jsonld:
                    "@id": "fnbo:customizationGroups"
              description: Customization options and groups for this F&B offer
              x-jsonld:
                "@id": "fnbo:customization"