{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rubygems.org/schemas/rubygems/gem.json",
  "title": "RubyGems Gem",
  "description": "A Ruby gem hosted on RubyGems.org, representing a packaged Ruby library or application distributed through the RubyGems package registry.",
  "type": "object",
  "required": ["name", "version"],
  "properties": {
    "name": {
      "type": "string",
      "description": "The unique name of the gem on RubyGems.org",
      "pattern": "^[a-zA-Z0-9._-]+$",
      "minLength": 1,
      "maxLength": 255
    },
    "downloads": {
      "type": "integer",
      "description": "Total number of downloads across all versions of this gem",
      "minimum": 0
    },
    "version": {
      "type": "string",
      "description": "The current (latest) version number following Ruby versioning conventions",
      "pattern": "^[0-9]+(\\.[0-9]+)*(\\.[a-zA-Z0-9]+)*$"
    },
    "version_created_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the current version was published"
    },
    "version_downloads": {
      "type": "integer",
      "description": "Number of downloads for the current version",
      "minimum": 0
    },
    "platform": {
      "type": "string",
      "description": "The platform the gem targets (e.g., ruby, java, x86_64-linux)",
      "default": "ruby"
    },
    "authors": {
      "type": "string",
      "description": "Comma-separated list of gem authors"
    },
    "info": {
      "type": "string",
      "description": "Short description of the gem"
    },
    "licenses": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "SPDX license identifiers for the gem"
    },
    "metadata": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Additional metadata key-value pairs defined in the gemspec"
    },
    "yanked": {
      "type": "boolean",
      "description": "Whether the current version has been yanked from the registry"
    },
    "sha": {
      "type": "string",
      "description": "SHA-256 checksum of the gem file",
      "pattern": "^[a-f0-9]{64}$"
    },
    "project_uri": {
      "type": "string",
      "format": "uri",
      "description": "URI to the gem project page on RubyGems.org"
    },
    "gem_uri": {
      "type": "string",
      "format": "uri",
      "description": "URI to download the gem file"
    },
    "homepage_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem homepage"
    },
    "wiki_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem wiki"
    },
    "documentation_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem documentation"
    },
    "mailing_list_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem mailing list"
    },
    "source_code_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem source code repository"
    },
    "bug_tracker_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem bug tracker"
    },
    "changelog_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem changelog"
    },
    "funding_uri": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "URI to the gem funding page"
    },
    "dependencies": {
      "$ref": "#/$defs/Dependencies"
    }
  },
  "$defs": {
    "Dependencies": {
      "type": "object",
      "description": "Runtime and development dependency lists for the gem",
      "properties": {
        "development": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/Dependency"
          },
          "description": "Dependencies needed only during development"
        },
        "runtime": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/Dependency"
          },
          "description": "Dependencies required at runtime"
        }
      }
    },
    "Dependency": {
      "type": "object",
      "description": "A dependency on another gem with version constraints",
      "required": ["name", "requirements"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Name of the dependency gem"
        },
        "requirements": {
          "type": "string",
          "description": "Version requirement string (e.g., '>= 1.0', '~> 2.0')"
        }
      }
    },
    "GemVersion": {
      "type": "object",
      "description": "A specific version of a Ruby gem with build and publication metadata",
      "required": ["number"],
      "properties": {
        "authors": {
          "type": "string",
          "description": "Comma-separated list of version authors"
        },
        "built_at": {
          "type": "string",
          "format": "date-time",
          "description": "ISO 8601 timestamp when the version was built"
        },
        "created_at": {
          "type": "string",
          "format": "date-time",
          "description": "ISO 8601 timestamp when the version was published"
        },
        "description": {
          "type": "string",
          "description": "Full description of the gem version"
        },
        "downloads_count": {
          "type": "integer",
          "description": "Number of downloads for this version",
          "minimum": 0
        },
        "metadata": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          },
          "description": "Additional metadata for this version"
        },
        "number": {
          "type": "string",
          "description": "The version number"
        },
        "summary": {
          "type": "string",
          "description": "Short summary of the gem version"
        },
        "platform": {
          "type": "string",
          "description": "The platform for this version"
        },
        "rubygems_version": {
          "type": "string",
          "description": "Minimum RubyGems version required"
        },
        "ruby_version": {
          "type": "string",
          "description": "Minimum Ruby version required"
        },
        "prerelease": {
          "type": "boolean",
          "description": "Whether this is a prerelease version"
        },
        "licenses": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "SPDX license identifiers for this version"
        },
        "requirements": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "System requirements for this version"
        },
        "sha": {
          "type": "string",
          "description": "SHA-256 checksum of the gem file",
          "pattern": "^[a-f0-9]{64}$"
        }
      }
    },
    "Owner": {
      "type": "object",
      "description": "A gem owner on RubyGems.org",
      "required": ["id"],
      "properties": {
        "id": {
          "type": "integer",
          "description": "Unique user ID"
        },
        "handle": {
          "type": "string",
          "description": "User handle on RubyGems.org"
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "User email address"
        }
      }
    },
    "Webhook": {
      "type": "object",
      "description": "A webhook subscription on RubyGems.org",
      "required": ["url"],
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "The URL that receives webhook POST notifications"
        },
        "failure_count": {
          "type": "integer",
          "description": "Number of consecutive delivery failures",
          "minimum": 0
        }
      }
    }
  }
}