{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Offer",
  "title": "Offer",
  "type": "object",
  "description": "A promotional offer for a paid membership tier.",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique identifier"
    },
    "name": {
      "type": "string",
      "description": "Internal name for the offer"
    },
    "code": {
      "type": "string",
      "description": "URL-safe code used in the offer link"
    },
    "display_title": {
      "type": "string",
      "description": "Public-facing title shown to visitors"
    },
    "display_description": {
      "type": "string",
      "description": "Public-facing description",
      "nullable": true
    },
    "type": {
      "type": "string",
      "description": "Discount type",
      "enum": [
        "percent",
        "fixed",
        "trial"
      ]
    },
    "cadence": {
      "type": "string",
      "description": "Which billing cadence the offer applies to",
      "enum": [
        "month",
        "year"
      ]
    },
    "amount": {
      "type": "integer",
      "description": "Discount amount. For percent type this is a percentage (1-100). For fixed type this is in the smallest currency unit. For trial type this is the number of days.",
      "minimum": 0
    },
    "duration": {
      "type": "string",
      "description": "How long the discount applies",
      "enum": [
        "once",
        "repeating",
        "forever",
        "trial"
      ]
    },
    "duration_in_months": {
      "type": "integer",
      "description": "Number of months for repeating duration",
      "nullable": true,
      "minimum": 1
    },
    "currency_restriction": {
      "type": "boolean",
      "description": "Whether the offer has a currency restriction"
    },
    "currency": {
      "type": "string",
      "description": "Currency for the offer",
      "nullable": true,
      "pattern": "^[A-Z]{3}$"
    },
    "status": {
      "type": "string",
      "description": "Offer status",
      "enum": [
        "active",
        "archived"
      ]
    },
    "redemption_count": {
      "type": "integer",
      "description": "Number of times the offer has been redeemed",
      "minimum": 0
    },
    "tier": {
      "$ref": "#/components/schemas/Tier"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Creation timestamp"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Last update timestamp"
    }
  }
}