{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tegna/main/json-schema/tegna-campaign-schema.json",
  "title": "TEGNA Advertising Campaign",
  "description": "A TEGNA AudienceOne digital advertising campaign across local TV and digital platforms.",
  "type": "object",
  "properties": {
    "campaignId": {
      "type": "string",
      "description": "Unique campaign identifier."
    },
    "name": {
      "type": "string",
      "description": "Campaign display name."
    },
    "status": {
      "type": "string",
      "enum": ["active", "paused", "completed", "draft"],
      "description": "Current campaign status."
    },
    "startDate": {
      "type": "string",
      "format": "date",
      "description": "Campaign start date."
    },
    "endDate": {
      "type": "string",
      "format": "date",
      "description": "Campaign end date."
    },
    "budget": {
      "type": "number",
      "format": "double",
      "minimum": 0,
      "description": "Total campaign budget in USD."
    },
    "dailyBudget": {
      "type": "number",
      "format": "double",
      "minimum": 0,
      "description": "Daily spend cap in USD."
    },
    "targetAudiences": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Audience segment IDs targeted by the campaign."
    },
    "targetMarkets": {
      "type": "array",
      "items": { "type": "string" },
      "description": "TEGNA market DMA codes targeted."
    },
    "adFormats": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["display", "native", "pre-roll", "mid-roll", "connected-tv"]
      },
      "description": "Ad formats used in the campaign."
    }
  },
  "required": ["campaignId", "name", "status", "startDate", "budget"]
}