grokify / jsondoc-ruby

module JsonDoc

  class Document

    attr_accessor :bIsStrict

    attr_accessor :bUseKeyAsDesc

    attr_accessor :bUseDeepKeys

    def initialize(dValues=nil,dSchema=nil,bDefaultifyDoc=false,bIsStrict=true)

      @dSchema        = dSchema || self.getDefaultSchema()

      @bDefaultifyDoc = bDefaultifyDoc ? true : false

      @bIsStrict      = bIsStrict      ? true : false

      @bUseKeyAsDesc  = false

      @bUseDeepKeys   = true

      @dDocument      = self.getDefaultDocument()

      self.loadHash(dValues) if dValues.is_a?(Hash)

    end

    def getDefaultSchema()

      dSchema       =  {

        :type       => '',

        :properties => {

          :id       => { :default => '', :description => 'Doc Id', :type => 'string' }

        }

      }

      return dSchema

    end

    def getDefaultDocument()

      dDocument = {}

      if @bDefaultifyDoc && @dSchema.key?(:properties)

        @dSchema[:properties].keys.each do |yKey|

          dProperty = @dSchema[:properties][yKey]

          xxVal     = dProperty.key?(:default) ? dProperty[:default] : ''

          dDocument[yKey] = xxVal

        end

      end

      return dDocument

    end

    def loadHash(dValues=nil)

      if dValues.nil?

        return

      elsif ! dValues.is_a?(Hash)

        raise ArgumentError, 'E_INITIAL_VALUES_IS_NOT_A_HASH'

      end

      dValues.each do |yKey,xxVal|

        self.setProp(yKey,xxVal)

      end

      return self

    end

    def getProp(yKey=nil)

      if yKey.nil?

        raise ArgumentError, 'E_BAD_KEY__IS_NIL'

      end

      yKey  = yKey.to_sym if yKey.kind_of?(String)

      if @bUseDeepKeys

        aKeys = yKey.split('.')

        #aKeys = yKey.to_s.split('.').map(&:to_sym)

        dDoc  = @dDocument

        xxVal = getPropRecurse(aKeys.clone,dDoc)

        return xxVal

      end

      return @dDocument.key?(yKey) ? @dDocument[yKey] : nil

    end

    def getPropRecurse(aKeys=[],dDoc=nil)

      yKey = aKeys.shift

      if ! yKey.is_a?(Symbol) || yKey.length<1 || ! dDoc.key?( yKey )

        return nil

      end

      xxVal = dDoc[ yKey ]

      if aKeys.length == 0

        return xxVal

      elsif dDoc.is_a?(Hash)

        return getPropRecurse( aKeys, xxVal )

      else

        raise ArgumentError, "E_BAD_VAL__IS_NOT_HASH"

      end

    end

    def getPropSingle(yKey=nil)

      if yKey.nil?

        raise ArgumentError, 'E_BAD_KEY__IS_NIL'

      end

      yKey  = yKey.to_sym if yKey.kind_of?(String)

      xxVal = @dDocument.key?(yKey) ? @dDocument[yKey] : nil

      if xxVal.nil? && @bIsStrict

        self.validateKey(yKey)

      end

      return xxVal

    end

    def validateKey(yKey=nil)

      if yKey.nil?

        raise ArgumentError, "E_BAD_KEY__IS_NIL [#{yKey.to_s}]"

      end

      return true unless @bIsStrict

      bKeyExists = @dSchema.key?(:properties) && @dSchema[:properties].key?(yKey) ? true : false

      unless bKeyExists

        raise ArgumentError, "E_UNKNOWN_KEY__STRICT #{yKey.to_s}"

      end

      return true

    end

    def setProp(yKey=nil,xxVal=nil)

      yKey = yKey.to_sym if yKey.kind_of?(String)

      self.validateKey(yKey)

      @dDocument[yKey] = xxVal

    end

    def pushProp(yKey=nil,xxVal=nil)

      yKey = yKey.to_sym if yKey.kind_of?(String)

      self.validateKey(yKey)

      if @dDocument.key?(yKey)

        if @dDocument[yKey].kind_of?(Array)

          @dDocument[yKey].push(xxVal)

        else

          raise RuntimeError, 'E_PROPERTY_IS_NOT_ARRAY'

        end

      else

        @dDocument[yKey] = [xxVal]

      end

    end

    def cpProp(yKeySrc=nil,yKeyDest=nil)

      yKeySrc  = yKeySrc.to_sym  if yKeySrc.kind_of?(String)

      yKeyDest = yKeyDest.to_sym if yKeyDest.kind_of?(String)

      self.setAttr(yKeyDest, self.getAttr(yKeySrc))

    end

    def sortKeys()

      @dDocument.keys.sort!

    end

    def fromJson(jDocument=nil)

      if jDocument.kind_of?(String)

        @dDocument = JSON.load(jDocument)

      end

      return self

    end

    def fromDict(dDocument=nil)

      @dDocument = dDocument if dDocument.is_a?(Hash)

    end

    def asHash()

      return @dDocument

    end

    def asJson()

      return JSON.dump( self.asHash() )

    end

    def getValStringForProperties(aCols=nil,sDelimiter="\t")

      sDelimiter = "\t" unless sDelimiter.kind_of?(String) && sDelimiter.length>0

      aVals = self.getValArrayForProperties(aCols)

      sVals = aVals.join(sDelimiter)

      return sVals

    end

    def getValArrayForProperties(aCols=nil,xxNil='')

      aVals = []

      return aVals if aCols.nil?

      if @bUseKeyAsDesc

        asVals = aCols.map {|x| x.to_s }

      end

      aCols.each do |yKey|

        yKey  = yKey.to_sym if yKey.kind_of?(String)

        xxVal = getProp( yKey )

        #xVal = @dDocument.key?(yKey) ? @dDocument[yKey] : nil

        xxVal = xxNil if xxVal.nil?

        aVals.push( xxVal )

      end

      return aVals

    end

    def getDescStringForProperties(aCols=nil,sDelimiter="\t")

      sDelimiter = "\t" unless sDelimiter.kind_of?(String) && sDelimiter.length>0

      aVals = self.getDescArrayForProperties(aCols)

      sVals = aVals.join(sDelimiter)

      return sVals

    end

    def getDescArrayForProperties(aCols=nil)

      aVals = []

      return aVals if aCols.nil?

      aCols.each do |yKey|

        yKey  = yKey.to_sym if yKey.kind_of?(String)

        xxVal = (

          @dSchema.key?(:properties)                          \

          && @dSchema[:properties].key?(yKey)                 \

          && @dSchema[:properties][yKey].key?(:description)   \

          && @dSchema[:properties][yKey][:description].length > 0

        ) \

          ? @dSchema[:properties][yKey][:description] : yKey.to_s

        xxVal = xxVal.to_s unless xxVal.is_a?(String)

        aVals.push( xxVal )

      end

      return aVals

    end

    alias_method :setAttr , :setProp

    alias_method :getAttr , :getProp

    alias_method :pushAttr, :pushProp

    alias_method :cpAttr  , :cpProp

  end

end