class RailsAiAdmin::Forms::Plan

# File lib/rails_ai_admin/forms/plan.rb, line 18
def initialize(fields:, values:, readonly_fields: [], readonly_values: {}, order: nil)
  unless values.is_a?(Hash) && readonly_values.is_a?(Hash)
    raise ConfigurationError, "Form values must be scalar maps"
  end
  writable = fields.reject(&:hidden?).index_by(&:name)
  readable = readonly_fields.reject(&:hidden?).index_by(&:name).except(*writable.keys)
  @bytes = 0
  @entries = (Array(order) + fields + readonly_fields).uniq(&:name).filter_map do |field|
    next unless writable.key?(field.name) || readable.key?(field.name)
    editable = writable.key?(field.name)
    source = editable ? values : readonly_values
    value = source.key?(field.name.to_s) ? source[field.name.to_s] : source[field.name]
    Entry.new(field, editable, scalar(value, type: field.scalar_type))
  end.freeze
  raise ConfigurationError, "Form field bound exceeded" if @entries.size > MAX_FIELDS
  @tabbed = @entries.any? { |entry| entry.field.options[:tab] }
  groups = @entries.group_by { |entry| entry.field.options[:tab] || (@tabbed ? "Details" : nil) }
  raise ConfigurationError, "Form tab bound exceeded" if groups.size > MAX_TABS
  @tabs = groups.map do |label, entries|
    panels = entries.group_by { |entry| entry.field.options[:panel] }
    raise ConfigurationError, "Form panel bound exceeded" if panels.size > MAX_PANELS
    Tab.new(label, panels.map { |title, items| Panel.new(title, items.freeze) }.freeze)
  end.freeze
  @tabbed &&= @tabs.size > 1
  freeze
end

# File lib/rails_ai_admin/forms/plan.rb, line 83
def json_text(value)
  JSON.pretty_generate(value)
rescue JSON::GeneratorError
  raise ConfigurationError, "Form JSON values must be finite", cause: nil
end

# File lib/rails_ai_admin/forms/plan.rb, line 49
def scalar(value, type: nil)
  copy = case value
  when nil, true, false, Integer then value
  when String then String.new(value).encode(Encoding::UTF_8, invalid: :replace, undef: :replace)
  when BigDecimal
    raise ConfigurationError, "Form decimals must be finite" unless value.finite?
    value
  when Time, ActiveSupport::TimeWithZone, DateTime then value.to_time.getutc
  when Date then Date.iso8601(value.iso8601)
  when Fields::FileValue then value
  # A references field carries its target keys.
  when Array
    if type == :files
      raise ConfigurationError, "Form files must be file values" unless value.all? { |item| item.is_a?(Fields::FileValue) }
      value.dup.freeze
    elsif type == :references
      raise ConfigurationError, "Form references must be key text" unless value.all? { |item| item.is_a?(String) }
      value.map { |item| String.new(item).freeze }.freeze
    else
      raise ConfigurationError, "Form values require supported scalars" unless type == :json
      json_text(value)
    end
  # A JSON field edits its document as indented text.
  when Hash, Float
    raise ConfigurationError, "Form values require supported scalars" unless type == :json
    json_text(value)
  else raise ConfigurationError, "Form values require supported scalars"
  end
  bytes = JSON.generate(InputSchema.canonical(copy)).bytesize
  @bytes += bytes
  raise ConfigurationError, "Form value bound exceeded" if bytes > MAX_VALUE_BYTES || @bytes > MAX_BYTES
  copy.freeze
end

# File lib/rails_ai_admin/forms/plan.rb, line 45
  def tabbed? = @tabbed

  private

  def scalar(value, type: nil)
    copy = case value
    when nil, true, false, Integer then value
    when String then String.new(value).encode(Encoding::UTF_8, invalid: :replace, undef: :replace)
    when BigDecimal
      raise ConfigurationError, "Form decimals must be finite" unless value.finite?
      value
    when Time, ActiveSupport::TimeWithZone, DateTime then value.to_time.getutc
    when Date then Date.iso8601(value.iso8601)
    when Fields::FileValue then value
    # A references field carries its target keys.
    when Array
      if type == :files
        raise ConfigurationError, "Form files must be file values" unless value.all? { |item| item.is_a?(Fields::FileValue) }
        value.dup.freeze
      elsif type == :references
        raise ConfigurationError, "Form references must be key text" unless value.all? { |item| item.is_a?(String) }
        value.map { |item| String.new(item).freeze }.freeze
      else
        raise ConfigurationError, "Form values require supported scalars" unless type == :json
        json_text(value)
      end
    # A JSON field edits its document as indented text.
    when Hash, Float
      raise ConfigurationError, "Form values require supported scalars" unless type == :json
      json_text(value)
    else raise ConfigurationError, "Form values require supported scalars"
    end
    bytes = JSON.generate(InputSchema.canonical(copy)).bytesize
    @bytes += bytes
    raise ConfigurationError, "Form value bound exceeded" if bytes > MAX_VALUE_BYTES || @bytes > MAX_BYTES
    copy.freeze
  end

  def json_text(value)
    JSON.pretty_generate(value)
  rescue JSON::GeneratorError
    raise ConfigurationError, "Form JSON values must be finite", cause: nil
  end
end