{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.tier.run/docs/pricing.schema.json",
  "title": "Pricing Model",
  "description": "A pricing.json model definition used by tier",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "plans": {
      "description": "The collection of all defined plans",
      "type": "object",
      "propertyNames": { "pattern": "^plan:[a-zA-Z0-9:]+@[a-zA-Z0-9]+$" },
      "patternProperties": { "": { "$ref": "#/$defs/plan" } }
    }
  },
  "$defs": {
    "plan": {
      "type": "object",
      "properties": {
        "title": { "type": "string" },
        "currency": { "type": "string" },
        "interval": {
          "enum": ["@daily", "@weekly", "@monthly", "@yearly"]
        },
        "features": {
          "type": "object",
          "propertyNames": { "pattern": "^feature:[a-zA-Z0-9:]+$" },
          "patternProperties": { "": { "$ref": "#/$defs/feature" } }
        }
      },
      "additionalProperties": false
    },
    "feature": {
      "type": "object",
      "properties": {
        "title": { "type": "string" },
        "aggregate": { "enum": ["sum", "max", "last", "perpetual"] },
        "mode": { "enum": ["graduated", "volume"] },
        "base": { "type": "number" },
        "tiers": {
          "type": "array",
          "items": { "$ref": "#/$defs/tier" }
        },
        "divide": {
          "type": "object",
          "properties": {
            "by": { "type": "number" },
            "rounding": { "enum": ["up"] },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "tier": {
      "type": "object",
      "properties": {
        "upto": { "type": "number" },
        "price": { "type": "number" },
        "base": { "type": "number" }
      },
      "additionalProperties": false
    }
  }
}