{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/test-first/refs/heads/main/json-schema/test-first-contract-schema.json",
  "title": "TestFirstContract",
  "description": "A consumer-driven API contract expressing what the consumer expects the API to provide, written before the provider implements it.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the contract."
    },
    "consumer": {
      "type": "string",
      "description": "Name of the API consumer that authored this contract."
    },
    "provider": {
      "type": "string",
      "description": "Name of the API provider that must satisfy this contract."
    },
    "version": {
      "type": "string",
      "description": "Version of the contract."
    },
    "interactions": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Interaction"
      },
      "description": "List of expected request/response interactions."
    },
    "metadata": {
      "type": "object",
      "properties": {
        "pact_specification": {
          "type": "string",
          "description": "Pact specification version used."
        },
        "created": {
          "type": "string",
          "format": "date-time",
          "description": "When the contract was created."
        }
      }
    }
  },
  "required": ["id", "consumer", "provider", "interactions"],
  "$defs": {
    "Interaction": {
      "type": "object",
      "properties": {
        "description": {
          "type": "string",
          "description": "Description of the interaction."
        },
        "provider_state": {
          "type": "string",
          "description": "The state the provider must be in for this interaction."
        },
        "request": {
          "$ref": "#/$defs/HttpRequest"
        },
        "response": {
          "$ref": "#/$defs/HttpResponse"
        }
      },
      "required": ["description", "request", "response"]
    },
    "HttpRequest": {
      "type": "object",
      "properties": {
        "method": {
          "type": "string",
          "enum": ["GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"],
          "description": "HTTP method."
        },
        "path": {
          "type": "string",
          "description": "Request path."
        },
        "headers": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          },
          "description": "Request headers."
        },
        "body": {
          "description": "Request body."
        }
      },
      "required": ["method", "path"]
    },
    "HttpResponse": {
      "type": "object",
      "properties": {
        "status": {
          "type": "integer",
          "minimum": 100,
          "maximum": 599,
          "description": "Expected HTTP status code."
        },
        "headers": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          },
          "description": "Expected response headers."
        },
        "body": {
          "description": "Expected response body."
        }
      },
      "required": ["status"]
    }
  }
}