// swiftlint:disable all
// Generated using SwiftGen — https://github.com/SwiftGen/SwiftGen

{% if palettes %}
{% set colorAlias %}{{param.colorAliasName|default:"Color"}}{% endset %}
{% set accessModifier %}{% if param.publicAccess %}public{% else %}internal{% endif %}{% endset %}
#if os(OSX)
  import AppKit.NSColor
  {{accessModifier}} typealias {{colorAlias}} = NSColor
#elseif os(iOS) || os(tvOS) || os(watchOS)
  import UIKit.UIColor
  {{accessModifier}} typealias {{colorAlias}} = UIColor
#endif

// swiftlint:disable superfluous_disable_command file_length implicit_return

// MARK: - Colors

// swiftlint:disable identifier_name line_length type_body_length
{% set enumName %}{{param.enumName|default:"ColorName"}}{% endset %}
{{accessModifier}} struct {{enumName}} {
  {{accessModifier}} let rgbaValue: UInt32
  {{accessModifier}} var color: {{colorAlias}} { return {{colorAlias}}(named: self) }

{% macro rgbaValue color %}0x{{color.red}}{{color.green}}{{color.blue}}{{color.alpha}}{% endmacro %}
{% macro enumBlock colors %}
  {% for color in colors %}
  /// <span style="display:block;width:3em;height:2em;border:1px solid black;background:#{{color.red}}{{color.green}}{{color.blue}}"></span>
  /// Alpha: {{color.alpha|hexToInt|int255toFloat|percent}} <br/> (0x{{color.red}}{{color.green}}{{color.blue}}{{color.alpha}})
  {{accessModifier}} static let {{color.name|swiftIdentifier:"pretty"|lowerFirstWord|escapeReservedKeywords}} = {{enumName}}(rgbaValue: {% call rgbaValue color %})
  {% endfor %}
{% endmacro %}
  {% if palettes.count > 1 or param.forceFileNameEnum %}
  {% for palette in palettes %}
  {{accessModifier}} enum {{palette.name|swiftIdentifier:"pretty"|escapeReservedKeywords}} {
    {% filter indent:2 %}{% call enumBlock palette.colors %}{% endfilter %}
  }
  {% endfor %}
  {% else %}
  {% call enumBlock palettes.first.colors %}
  {% endif %}
}
// swiftlint:enable identifier_name line_length type_body_length

// MARK: - Implementation Details

internal extension {{colorAlias}} {
  convenience init(rgbaValue: UInt32) {
    let components = RGBAComponents(rgbaValue: rgbaValue).normalized
    self.init(red: components[0], green: components[1], blue: components[2], alpha: components[3])
  }
}

private struct RGBAComponents {
  let rgbaValue: UInt32

  private var shifts: [UInt32] {
    [
      rgbaValue >> 24, // red
      rgbaValue >> 16, // green
      rgbaValue >> 8,  // blue
      rgbaValue        // alpha
    ]
  }

  private var components: [CGFloat] {
    shifts.map {
      CGFloat($0 & 0xff)
    }
  }

  var normalized: [CGFloat] {
    components.map { $0 / 255.0 }
  }
}

{{accessModifier}} extension {{colorAlias}} {
  convenience init(named color: {{enumName}}) {
    self.init(rgbaValue: color.rgbaValue)
  }
}
{% else %}
// No color found
{% endif %}