# recent_amazon.rb $Revision:$
#
# recent_comment: 最近の amazon プラグイン記述をリストアップする
#   パラメタ:
#     max:    最大表示数(未指定時:3)
#     sep:    セパレータ(未指定時:空白)
#
# Copyright (C) 2004 by Suzuki <http://suzuki.tdiary.net/>
#
# Original: http://suzuki.tdiary.net/
#
# 

def recent_amazon (max = 3, sep = '&nbsp;')
	regex = Regexp.new('<%=\s*(amazon|isbn|isbn_image|isbn_image_left|isbn_image_right)\s*"([^(?:%>)]*)"\s*,\s*"([^(?:%>)]*)"\s*%>')
	data = []
	for date in @diaries.keys.sort
		@diaries[date].each_section do |section|
			@dailydata  = []
			@imgchk = {}
			@textchk = {}
 			if (section.subtitle)
 				section.subtitle.gsub(regex) {
					add_dailydata($1,$2,$3)
 				}
 			end
			section.body.gsub(regex) {
				add_dailydata($1,$2,$3)
			}
			data = data + @dailydata
		end
	end

	amazon = []
	counter = 0
	data.reverse.each do | p,i,c |
		if counter >= max
			break
		else
			case p
			when 'isbn_image_left','isbn_image_right'
				p = 'isbn_image'
			end
			amazon << apply_plugin("<%= #{p} \"#{i}\",\"#{c}\" %>")
			counter += 1
		end
	end

	ret = "<div class=\"recent_amazon\">\n"
	if (amazon.size) 
		ret += amazon.join(sep)
	end
	ret += "</div>\n"
	
	return ret
end

def add_dailydata (type,asin,comment)
	# とりあえずダミーとしてイメージ優先とする
	@conf['recent_amazon.priority'] = 'img'

	if (@conf['recent_amazon.priority'] == 'img') 
		# イメージ優先の場合
		case type
		when 'amazon','isbn_image','isbn_image_left','isbn_image_right'
			if @imgchk[asin] != 1
				if @textchk[asin] == 1
					pos = @dailydata.index(@dailydata.rassoc(asin))
					if pos != nil
						@dailydata.delete_at(pos)
					end
				end
				@dailydata << [type,asin,comment]
				@imgchk[asin] = 1
			end
		when 'isbn'
			if @textchk[asin] != 1
				if @imgchk[asin] == 1
					pos = @dailydata.index(@dailydata.rassoc(asin))
					if pos != nil
						@dailydata.delete_at(pos)
					end
				end
				@dailydata << [type,asin,comment]
				@textchk[asin] = 1
			end
		end
	end
end