{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://clojars.org/schema/artifact",
  "title": "Artifact",
  "description": "Full metadata for a Clojars artifact including versions, downloads, dependencies, and licenses.",
  "type": "object",
  "properties": {
    "jar_name": {
      "type": "string",
      "description": "The artifact (JAR) name.",
      "examples": ["clojure", "ring-core"]
    },
    "group_name": {
      "type": "string",
      "description": "The Maven group identifier.",
      "examples": ["org.clojure", "ring"]
    },
    "version": {
      "type": "string",
      "description": "The latest released version string.",
      "examples": ["1.11.1", "1.11.0"]
    },
    "description": {
      "type": ["string", "null"],
      "description": "Short human-readable description of the artifact."
    },
    "homepage": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URL of the project homepage."
    },
    "downloads": {
      "type": "integer",
      "minimum": 0,
      "description": "Cumulative total download count across all versions."
    },
    "licenses": {
      "type": "array",
      "description": "Software licenses declared for this artifact.",
      "items": {
        "$ref": "#/$defs/License"
      }
    },
    "recent_versions": {
      "type": "array",
      "description": "Recent release versions with per-version download counts.",
      "items": {
        "$ref": "#/$defs/ArtifactVersion"
      }
    },
    "dependencies": {
      "type": "array",
      "description": "Maven dependencies declared in the artifact's POM.",
      "items": {
        "$ref": "#/$defs/Dependency"
      }
    }
  },
  "required": ["jar_name", "group_name", "version"],
  "$defs": {
    "License": {
      "type": "object",
      "description": "A software license.",
      "properties": {
        "name": {
          "type": "string",
          "description": "License name.",
          "examples": ["Eclipse Public License 1.0", "MIT"]
        },
        "url": {
          "type": ["string", "null"],
          "format": "uri",
          "description": "URL to the full license text."
        }
      },
      "required": ["name"]
    },
    "ArtifactVersion": {
      "type": "object",
      "description": "A specific version of an artifact.",
      "properties": {
        "version": {
          "type": "string",
          "description": "The version string.",
          "examples": ["1.11.1"]
        },
        "downloads": {
          "type": "integer",
          "minimum": 0,
          "description": "Download count for this specific version."
        }
      },
      "required": ["version"]
    },
    "Dependency": {
      "type": "object",
      "description": "A Maven dependency declared by the artifact.",
      "properties": {
        "group_name": {
          "type": "string",
          "description": "The dependency's group identifier."
        },
        "jar_name": {
          "type": "string",
          "description": "The dependency's artifact name."
        },
        "version": {
          "type": "string",
          "description": "Required version of the dependency."
        },
        "scope": {
          "type": ["string", "null"],
          "description": "Maven dependency scope (compile, test, provided, etc.).",
          "examples": ["compile", "test", "provided"]
        }
      },
      "required": ["group_name", "jar_name", "version"]
    }
  }
}