{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/southwest-gas/json-schema/southwest-gas-account-schema.json",
  "title": "Southwest Gas Customer Account",
  "description": "A Southwest Gas customer account for natural gas distribution service in Arizona, Nevada, or California, including service address, usage, and billing information.",
  "type": "object",
  "properties": {
    "accountNumber": {
      "type": "string",
      "description": "Unique Southwest Gas account number.",
      "example": "0001234567"
    },
    "accountName": {
      "type": "string",
      "description": "Name of the account holder (individual or business)."
    },
    "serviceAddress": {
      "type": "object",
      "description": "Physical address receiving natural gas service.",
      "properties": {
        "street": { "type": "string" },
        "city": { "type": "string" },
        "state": { "type": "string", "enum": ["AZ", "NV", "CA"] },
        "zipCode": { "type": "string" }
      },
      "required": ["street", "city", "state", "zipCode"]
    },
    "serviceType": {
      "type": "string",
      "enum": ["Residential", "Commercial", "Industrial"],
      "description": "Customer classification for rate and service purposes."
    },
    "rateSchedule": {
      "type": "string",
      "description": "Tariff rate schedule code applied to this account."
    },
    "accountStatus": {
      "type": "string",
      "enum": ["Active", "Inactive", "Final", "Disconnected"],
      "description": "Current status of the account."
    },
    "meterNumber": {
      "type": "string",
      "description": "Meter serial number at the service address."
    },
    "currentBalance": {
      "type": "number",
      "description": "Outstanding balance in US dollars.",
      "minimum": 0
    },
    "dueDate": {
      "type": "string",
      "format": "date",
      "description": "Payment due date for the current balance."
    },
    "budgetBillingAmount": {
      "type": "number",
      "description": "Fixed monthly budget billing amount if enrolled in the program.",
      "minimum": 0
    },
    "paperlessBilling": {
      "type": "boolean",
      "description": "Whether the account is enrolled in paperless billing."
    },
    "autopay": {
      "type": "boolean",
      "description": "Whether the account is enrolled in automatic payment."
    }
  },
  "required": ["accountNumber", "accountName", "serviceAddress", "serviceType"]
}