class MetalArchives::BaseModel

# File lib/metal_archives/models/base_model.rb, line 11
def initialize(hash = {})
  raise Errors::NotImplementedError, "no :id property in model" unless respond_to? :id?, true

  hash.each do |property, value|
    instance_variable_set("@#{property}", value) if self.class.properties.include? property
  end
end

# File lib/metal_archives/models/base_model.rb, line 213
def boolean(name, opts = {})
  enum name, opts.merge(values: [true, false])
end

# File lib/metal_archives/models/base_model.rb, line 90
def cache
  @cache ||= MetalArchives::LRUCache.new MetalArchives.config.cache_size
end

# File lib/metal_archives/models/base_model.rb, line 166
def enum(name, opts)
  raise ArgumentError, "opts[:values] is required" unless opts && opts[:values]

  (@properties ||= []) << name

  # property
  define_method(name) do
    load! unless loaded? && instance_variable_defined?("@#{name}")
    instance_variable_get("@#{name}")
  end

  # property?
  define_method("#{name}?") do
    load! unless loaded? && instance_variable_defined?("@#{name}")

    property = instance_variable_get("@#{name}")
    property.respond_to?(:empty?) ? !property.empty? : !property.nil?
  end

  # property=
  define_method("#{name}=") do |value|
    # Check enum type
    if opts[:multiple]
      raise MetalArchives::Errors::TypeError, "invalid enum value #{value}, must be Array for #{name}" unless value.is_a? Array

      value.each do |val|
        raise MetalArchives::Errors::TypeError, "invalid enum value #{val} for #{name}" unless opts[:values].include? val
      end
    else
      raise MetalArchives::Errors::TypeError, "invalid enum value #{value} for #{name}" unless opts[:values].include? value
    end

    instance_variable_set name, value
  end
end

# File lib/metal_archives/models/base_model.rb, line 112
def property(name, opts = {})
  (@properties ||= []) << name

  # property
  define_method(name) do
    load! unless loaded? && instance_variable_defined?("@#{name}") || name == :id
    instance_variable_get("@#{name}")
  end

  # property?
  define_method("#{name}?") do
    load! unless loaded? && instance_variable_defined?("@#{name}") || name == :id

    property = instance_variable_get("@#{name}")
    property.respond_to?(:empty?) ? !property.empty? : !property.nil?
  end

  # property=
  define_method("#{name}=") do |value|
    if value.nil?
      instance_variable_set "@#{name}", value
      return
    end

    # Check value type
    type = opts[:type] || String
    if opts[:multiple]
      raise MetalArchives::Errors::TypeError, "invalid type #{value.class}, must be Array for #{name}" unless value.is_a? Array

      value.each do |val|
        raise MetalArchives::Errors::TypeError, "invalid type #{val.class}, must be #{type} for #{name}" unless val.is_a? type
      end
    else
      raise MetalArchives::Errors::TypeError, "invalid type #{value.class}, must be #{type} for #{name}" unless value.is_a? type
    end

    instance_variable_set "@#{name}", value
  end
end

# File lib/metal_archives/models/base_model.rb, line 22
def ==(obj)
  obj.instance_of?(self.class) && id == obj.id
end

# File lib/metal_archives/models/base_model.rb, line 62
def cached?
  loaded? && self.class.cache.include?(id)
end

# File lib/metal_archives/models/base_model.rb, line 33
def load!
  raise Errors::InvalidIDError, "no id present" unless id

  # Use constructor to set attributes
  initialize assemble

  # Set empty properties to nil
  self.class.properties.each do |prop|
    instance_variable_set("@#{prop}", nil) unless instance_variable_defined? "@#{prop}"
  end

  @loaded = true
  self.class.cache[id] = self
rescue StandardError => e
  # Don't cache invalid requests
  self.class.cache.delete id
  raise e
end

# File lib/metal_archives/models/base_model.rb, line 55
def loaded?
  !@loaded.nil?
end

# File lib/metal_archives/models/base_model.rb, line 77
def assemble
  raise Errors::NotImplementedError, "method :assemble not implemented"
end