{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/newscatcher/main/json-schema/newscatcher-search-response-schema.json",
  "title": "Newscatcher Search Response",
  "description": "Schema for the search response returned by the Newscatcher News API v3 /api/search endpoint.",
  "type": "object",
  "required": ["status", "total_hits", "page", "total_pages", "page_size", "articles"],
  "properties": {
    "status": {
      "type": "string",
      "description": "Status of the response (ok or error).",
      "enum": ["ok", "error", "No matches for your search parameters"]
    },
    "total_hits": {
      "type": "integer",
      "description": "The total number of articles matching the search query."
    },
    "page": {
      "type": "integer",
      "description": "The current page number.",
      "minimum": 1
    },
    "total_pages": {
      "type": "integer",
      "description": "The total number of pages available."
    },
    "page_size": {
      "type": "integer",
      "description": "The number of articles returned per page.",
      "minimum": 1,
      "maximum": 1000
    },
    "articles": {
      "type": "array",
      "description": "The list of articles matching the search criteria.",
      "items": {
        "$ref": "newscatcher-article-schema.json"
      }
    },
    "user_input": {
      "type": "object",
      "description": "Echo of the user's input parameters.",
      "properties": {
        "q": {"type": "string"},
        "search_in": {"type": "array", "items": {"type": "string"}},
        "lang": {"type": "array", "items": {"type": "string"}},
        "not_lang": {"type": "array", "items": {"type": "string"}},
        "countries": {"type": "array", "items": {"type": "string"}},
        "not_countries": {"type": "array", "items": {"type": "string"}},
        "from": {"type": "string"},
        "to": {"type": "string"},
        "ranked_only": {"type": "boolean"},
        "from_rank": {"type": "integer"},
        "to_rank": {"type": "integer"},
        "sort_by": {"type": "string"},
        "page_size": {"type": "integer"},
        "page": {"type": "integer"},
        "include_nlp_data": {"type": "boolean"},
        "has_nlp": {"type": "boolean"},
        "theme": {"type": "string"},
        "clustering_enabled": {"type": "boolean"},
        "clustering_threshold": {"type": "number"}
      }
    },
    "clusters_count": {
      "type": "integer",
      "description": "The number of article clusters returned (when clustering is enabled)."
    },
    "clusters": {
      "type": "array",
      "description": "Article clusters (returned when clustering_enabled is true).",
      "items": {
        "$ref": "#/$defs/ClusterEntity"
      }
    }
  },
  "$defs": {
    "ClusterEntity": {
      "type": "object",
      "description": "A cluster of related articles grouped by topic similarity.",
      "required": ["cluster_id", "cluster_size", "articles"],
      "properties": {
        "cluster_id": {
          "type": "string",
          "description": "The unique identifier for the cluster."
        },
        "cluster_size": {
          "type": "integer",
          "description": "The number of articles in the cluster."
        },
        "articles": {
          "type": "array",
          "description": "The articles belonging to this cluster.",
          "items": {
            "$ref": "newscatcher-article-schema.json"
          }
        }
      }
    }
  }
}