module Lhj
  class Command
    class View < Command
      self.summary = '生成iOS组件源码'
      self.description = '使用`lhj view --type=UILabel --name=titleLabel`'

      def initialize(argv)
        @name = argv.option('name', 'titleLabel')
        @type = argv.option('type', 'UILabel')
        super
      end

      def names
        @name.split(',').map(&:strip)
      end

      def type
        @ele_type ||= begin
                        case @type
                        when /image/i
                          'UIImageView'
                        when /stack/i
                          'UIStackView'
                        when /label/i
                          'UILabel'
                        when /table/i
                          'UITableView'
                        when /text/i
                          'UITextField'
                        when /button/i
                          'UIButton'
                        when /view/i
                          'UIView'
                        else
                          @type
                        end
                      end
      end

      def run
        print_declare
        puts "\n\n"
        print_instance
        puts "\n\n"
        print_layout
        puts "\n\n"
        print_value
      end

      def puts_d(str)
        puts str.blue
      end

      def puts_i(str)
        puts str.blue
      end

      def puts_l(str)
        puts str.blue
      end

      def puts_v(str)
        puts str.blue
      end

      def print_declare
        names.each do |name|
          puts_d '///'
          puts_d "@property (nonatomic, strong) #{type} *#{name};"
        end
      end

      def print_instance
        names.each do |name|
          puts_i "-(#{type} *)#{name}"
          puts_i '{'
          puts_i "    if(!_#{name}){"
          print_alloc(name)
          puts_i "        _#{name}.translatesAutoresizingMaskIntoConstraints = NO;"
          print_property(name)
          puts_i '    }'
          puts_i "    return _#{name};"
          puts_i '}'
          puts_i "\n"
        end
      end

      def print_alloc(name)
        case type
        when 'UIImageView'
          puts_i "        _#{name} = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@\"xxxx\"]];"
        when 'UIButton'
          puts_i "        _#{name} = [UIButton buttonWithType:UIButtonTypeCustom];"
        when 'UITableView'
          puts_i "        _#{name} = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped];"
        else
          puts_i "        _#{name} = [[#{type} alloc] init];"
        end
      end

      def print_property(name)
        case type
        when 'UILabel'
          puts_i "        _#{name}.textColor = kSetCOLOR(0x333333);"
          puts_i "        _#{name}.text = @\"xxxxxxxx\";"
          puts_i "        _#{name}.font = [UIFont systemFontOfSize:12.0 weight:UIFontWeightRegular];"
          puts_i "        _#{name}.textAlignment = NSTextAlignmentCenter;"
        when 'UIImageView'
          puts_i "        _#{name}.backgroundColor = kBackgroundColor;"
          puts_i "        _#{name}.contentMode = UIViewContentModeScaleAspectFit;"
          puts_i "        _#{name}.clipsToBounds = YES;"
          puts_i "        _#{name}.layer.cornerRadius = 6.0f;"
          puts_i "        _#{name}.layer.borderColor = kLineColor.CGColor;"
          puts_i "        _#{name}.layer.borderWidth = 0.5;"
        when 'UITextField'
          puts_i "        _#{name}.textColor = kSetCOLOR(0x333333);"
          puts_i "        _#{name}.font = [UIFont systemFontOfSize:12.0 weight:UIFontWeightRegular];"
        when 'UIView'
          puts_i "        _#{name}.backgroundColor = kBackgroundColor;"
        when 'UIStackView'
          puts_i "        _#{name}.axis = UILayoutConstraintAxisHorizontal;"
          puts_i "        _#{name}.distribution = UIStackViewDistributionFillEqually;"
        when 'UITableView'
          puts_i "        _#{name}.backgroundColor = kBackgroundColor;"
          puts_i "        _#{name}.delegate = self;"
          puts_i "        _#{name}.delegate = self;"
          puts_i "        _#{name}.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, CGFLOAT_MIN)];"
          puts_i "        _#{name}.tableFooterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, CGFLOAT_MIN)];"
          puts_i "        _#{name}.separatorStyle = UITableViewCellSeparatorStyleNone;"
        when 'UIButton'
          puts_i "        _#{name}.backgroundColor = kBackgroundColor;"
          puts_i "        [_#{name} setTitle:@\"xxx\" forState:UIControlStateNormal];"
          puts_i "        [_#{name} setTitleColor:kSetCOLOR(0x999999) forState:UIControlStateNormal];"
          puts_i "        _#{name}.titleLabel.font = [UIFont systemFontOfSize:14.0 weight:UIFontWeightRegular];"
          puts_i "        [_#{name} setImage:[UIImage imageNamed:@\"xx\"] forState:UIControlStateNormal];"
          puts_i "        [_#{name} setImage:[UIImage imageNamed:@\"xx\"] forState:UIControlStateSelected];"
          puts_i "        [_#{name} addTarget:self action:@selector(actionHandler:) forControlEvents:UIControlEventTouchUpInside];"
        end
      end

      def print_layout
        names.each do |name|
          puts_l "[contentView addSubview:self.#{name}];"
          puts_l "[self.#{name}.leadingAnchor constraintEqualToAnchor:contentView.leadingAnchor constant:0].active = YES;"
          puts_l "[self.#{name}.trailingAnchor constraintEqualToAnchor:contentView.trailingAnchor constant:0].active = YES;"
          puts_l "[self.#{name}.topAnchor constraintEqualToAnchor:contentView.topAnchor].active = YES;"
          puts_l "[self.#{name}.bottomAnchor constraintEqualToAnchor:contentView.bottomAnchor].active = YES;"
          puts_l "[self.#{name}.widthAnchor constraintEqualToConstant:80].active = YES;"
          puts_l "[self.#{name}.heightAnchor constraintEqualToConstant:80].active = YES;"
          if type.eql?('UILabel')
            puts_l "[self.#{name} setContentHuggingPriority:300 forAxis:UILayoutConstraintAxisHorizontal];"
            puts_l "[self.#{name} setContentCompressionResistancePriority:300 forAxis:UILayoutConstraintAxisHorizontal];"
          end
          puts_l "\n\n"
        end
      end

      def print_value
        names.each do |name|
          if type.eql?('UILabel')
            puts_v "self.#{name}.text = @\"xxxxx\";"
          end
        end
      end

    end
  end
end