tag = 'INV'
Eancom.register_segment(tag: tag, klass: Eancom::Edifact::INV)

structure = Eancom::Edifact::Structure.new(tag: tag)
#==============================================================================
# Tag                                                                         #
#==============================================================================
tag = Eancom::Edifact::Composite.new
data = Eancom::Edifact::Data.new(
  type: String,
  length: 1..3,
  dictionary: nil,
  description: 'Message Header',
  required: true
)
tag.add(:tag, data)

structure << tag
#==============================================================================
# Inventory movement direction code                                           #
#==============================================================================
inventory_movement_direction_code = Eancom::Edifact::Composite.new
data = Eancom::Edifact::Data.new(
  type: String,
  length: 1..3,
  dictionary: {
    '1' => {
      description: 'Movement out of inventory',
      identifier: 'movement_out_of_inventory'
    },
    '2' => {
      description: 'Movement into inventory',
      identifier: 'movement_into_inventory'
    }
  },
  description: 'Inventory movement direction code',
  required: false
)
inventory_movement_direction_code.add(:inventory_movement_direction_code, data)
structure << inventory_movement_direction_code
#==============================================================================
# Inventory type code                                                         #
#==============================================================================
inventory_type_code = Eancom::Edifact::Composite.new
data = Eancom::Edifact::Data.new(
  type: String,
  length: 1..3,
  dictionary: nil,
  description: 'Inventory type code',
  required: false
)
inventory_type_code.add(:inventory_type_code, data)
structure << inventory_type_code
#==============================================================================
# Inventory movement reason code                                              #
#==============================================================================
inventory_movement_reason_code = Eancom::Edifact::Composite.new
data = Eancom::Edifact::Data.new(
  type: String,
  length: 1..3,
  dictionary: nil,
  description: 'Inventory movement reason code',
  required: false
)
inventory_movement_reason_code.add(:inventory_movement_reason_code, data)
structure << inventory_movement_reason_code
#==============================================================================
# Inventory balance method code                                               #
#==============================================================================
inventory_balance_method_code = Eancom::Edifact::Composite.new
data = Eancom::Edifact::Data.new(
  type: String,
  length: 1..3,
  dictionary: {
    '1' => {
      description: 'Book-keeping inventory balance',
      identifier: 'book_keeping_inventory_balance'
    },
    '2' => {
      description: 'Formal inventory balance',
      identifier: 'formal_inventory_balance'
    }
  },
  description: 'Inventory balance method code',
  required: false
)
inventory_balance_method_code.add(:inventory_balance_method_code, data)
structure << inventory_balance_method_code
#==============================================================================
# INSTRUCTION                                                                 #
#==============================================================================
# TODO

Eancom.register_structure(tag: 'INV', structure: structure)