require "json-schema"

schema = {
  "type" => "object",
  "required" => ["a"],
  "properties" => {
    "a" => {"type" => "integer"}
  }
}

#
# validate ruby objects against a ruby schema
#

# => true
JSON::Validator.validate(schema, { "a" => 5 })
# => false
JSON::Validator.validate(schema, {})

#
# validate a json string against a json schema file
#

require "json"
File.write("schema.json", JSON.dump(schema))

# => true
JSON::Validator.validate('schema.json', '{ "a": 5 }')

#
# raise an error when validation fails
#

# => "The property '#/a' of type String did not match the following type: integer"
begin
  JSON::Validator.validate!(schema, { "a" => "taco" })
rescue JSON::Schema::ValidationError => e
  e.message
end

#
# return an array of error messages when validation fails
#

# => ["The property '#/a' of type String did not match the following type: integer in schema 18a1ffbb-4681-5b00-bd15-2c76aee4b28f"]
JSON::Validator.fully_validate(schema, { "a" => "taco" })

require "json-schema"

schema = {
  "type"=>"object",
  "required" => ["a"],
  "properties" => {
    "a" => {
      "type" => "integer",
      "default" => 42
    },
    "b" => {
      "type" => "object",
      "properties" => {
        "x" => {
          "type" => "integer"
        }
      }
    }
  }
}

#
# with the `:list` option, a list can be validated against a schema that represents the individual objects
#

# => true
JSON::Validator.validate(schema, [{"a" => 1}, {"a" => 2}, {"a" => 3}], :list => true)
# => false
JSON::Validator.validate(schema, [{"a" => 1}, {"a" => 2}, {"a" => 3}])

#
# with the `:errors_as_objects` option, `#fully_validate` returns errors as hashes instead of strings
#

# => [{:schema=>#<Addressable::URI:0x3ffa69cbeed8 URI:18a1ffbb-4681-5b00-bd15-2c76aee4b28f>, :fragment=>"#/a", :message=>"The property '#/a' of type String did not match the following type: integer in schema 18a1ffbb-4681-5b00-bd15-2c76aee4b28f", :failed_attribute=>"TypeV4"}]
JSON::Validator.fully_validate(schema, { "a" => "taco" }, :errors_as_objects => true)

#
# with the `:strict` option, all properties are considered to have `"required": true` and all objects `"additionalProperties": false`
#

# => true
JSON::Validator.validate(schema, { "a" => 1, "b" => { "x" => 2 } }, :strict => true)
# => false
JSON::Validator.validate(schema, { "a" => 1, "b" => { "x" => 2 }, "c" => 3 }, :strict => true)
# => false
JSON::Validator.validate(schema, { "a" => 1 }, :strict => true)

#
# with the `:fragment` option, only a fragment of the schema is used for validation
#

# => true
JSON::Validator.validate(schema, { "x" => 1 }, :fragment => "#/properties/b")
# => false
JSON::Validator.validate(schema, { "x" => 1 })

#
# with the `:validate_schema` option, the schema is validated (against the json schema spec) before the json is validated (against the specified schema)
#

# => true
JSON::Validator.validate(schema, { "a" => 1 }, :validate_schema => true)
# => false
JSON::Validator.validate({ "required" => true }, { "a" => 1 }, :validate_schema => true)

#
# with the `:insert_defaults` option, any undefined values in the json that have a default in the schema are replaced with the default before validation
#

# => true
JSON::Validator.validate(schema, {}, :insert_defaults => true)
# => false
JSON::Validator.validate(schema, {})

#
# with the `:version` option, schemas conforming to older drafts of the json schema spec can be used
#

v2_schema = {
  "type" => "object",
  "properties" => {
    "a" => {
      "type" => "integer"
    }
  }
}

# => false
JSON::Validator.validate(v2_schema, {}, :version => :draft2)
# => true
JSON::Validator.validate(v2_schema, {})

#
# with the `:parse_data` option set to false, the json must be a parsed ruby object (not a json text, a uri or a file path)
#

# => true
JSON::Validator.validate(schema, { "a" => 1 }, :parse_data => false)
# => false
JSON::Validator.validate(schema, '{ "a": 1 }', :parse_data => false)

#
# with the `:json` option, the json must be an unparsed json text (not a hash, a uri or a file path)
#

# => true
JSON::Validator.validate(schema, '{ "a": 1 }', :json => true)
# => "no implicit conversion of Hash into String"
begin
  JSON::Validator.validate(schema, { "a" => 1 }, :json => true)
rescue TypeError => e
  e.message
end

#
# with the `:uri` option, the json must be a uri or file path (not a hash or a json text)
#

File.write("data.json", '{ "a": 1 }')

# => true
JSON::Validator.validate(schema, "data.json", :uri => true)
# => "Can't convert Hash into String."
begin
  JSON::Validator.validate(schema, { "a"  => 1 }, :uri => true)
rescue TypeError => e
  e.message
end

#
# with the `:clear_cache` option set to true, the internal cache of schemas is
# cleared after validation (otherwise schemas are cached for efficiency)
#

File.write("schema.json", v2_schema.to_json)

# => true
JSON::Validator.validate("schema.json", {})

File.write("schema.json", schema.to_json)

# => true
JSON::Validator.validate("schema.json", {}, :clear_cache => true)

# => false
JSON::Validator.validate("schema.json", {})

require "json-schema"

class BitwiseAndAttribute < JSON::Schema::Attribute
  def self.validate(current_schema, data, fragments, processor, validator, options = {})
    if data.is_a?(Integer) && data & current_schema.schema['bitwise-and'].to_i == 0
      message = "The property '#{build_fragment(fragments)}' did not evaluate  to true when bitwise-AND'd with  #{current_schema.schema['bitwise-or']}"
      validation_error(processor, message, fragments, current_schema, self, options[:record_errors])
    end
  end
end

class ExtendedSchema < JSON::Schema::Draft3
  def initialize
    super
    @attributes["bitwise-and"] = BitwiseAndAttribute
    @uri = JSON::Util::URI.parse("http://test.com/test.json")
    @names = ["http://test.com/test.json"]
  end

  JSON::Validator.register_validator(self.new)
end

schema = {
  "$schema" => "http://test.com/test.json",
  "properties" => {
    "a" => {
      "bitwise-and" => 1
    },
    "b" => {
      "type" => "string"
    }
  }
}

data = {
  "a" => 0
}

data = {"a" => 1, "b" => "taco"}
JSON::Validator.validate(schema,data) # => true
data = {"a" => 1, "b" => 5}
JSON::Validator.validate(schema,data) # => false
data = {"a" => 0, "b" => "taco"}
JSON::Validator.validate(schema,data) # => false

require "json-schema"

format_proc = -> value {
  raise JSON::Schema::CustomFormatError.new("must be 42") unless value == "42"
}

# register the proc for format 'the-answer' for draft4 schema
JSON::Validator.register_format_validator("the-answer", format_proc, ["draft4"])

# omitting the version parameter uses ["draft1", "draft2", "draft3", "draft4"] as default
JSON::Validator.register_format_validator("the-answer", format_proc)

# deregistering the custom validator
# (also ["draft1", "draft2", "draft3", "draft4"] as default version)
JSON::Validator.deregister_format_validator('the-answer', ["draft4"])

# shortcut to restore the default formats for validators (same default as before)
JSON::Validator.restore_default_formats(["draft4"])

# with the validator registered as above, the following results in
# ["The property '#a' must be 42"] as returned errors
schema = {
  "$schema" => "http://json-schema.org/draft-04/schema#",
  "properties" => {
    "a" => {
      "type" => "string",
      "format" => "the-answer",
    }
  }
}
errors = JSON::Validator.fully_validate(schema, {"a" => "23"})

require "json-schema"

schema = {
  "type" => "object",
  "properties" => {
    "a" => {"type" => "integer"}
  }
}

metaschema = JSON::Validator.validator_for_name("draft4").metaschema
# => true
JSON::Validator.validate(metaschema, schema)

schema = JSON::Schema.new(some_schema_definition, Addressable::URI.parse('http://example.com/my-schema'))
JSON::Validator.add_schema(schema)

# Change the default schema reader used
JSON::Validator.schema_reader = JSON::Schema::Reader.new(:accept_uri => true, :accept_file => false)

# For this validation call, use a reader which only accepts URIs from my-website.com
schema_reader = JSON::Schema