376 lines
13 KiB
Ruby
376 lines
13 KiB
Ruby
# frozen_string_literal: true
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require 'bbs'
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require 'time'
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require_relative 'lib/repository/online_users_repository'
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require_relative 'lib/repository/message_board_repository'
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require_relative 'lib/repository/wiki_repository'
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require_relative 'lib/repository/catalog_repository'
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include BBS::Color
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ONLINE = OnlineUsersRepository.new
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MESSAGES = MessageBoardRepository.new(ENV.fetch('MESSAGES_PATH', 'data/messages.dat'))
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WIKI = WikiRepository.new(token: ENV['WEBAPP_WIKIJS_TOKEN'])
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CATALOG = CatalogRepository.new
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MENU_ITEMS = [
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'Messages', 'Post Message', 'Blog Posts',
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'HowTo Guides', 'Game Catalog', 'Online Users',
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'System Info', 'Exit'
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].freeze
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SEP_X = 21
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CONT_X = 23
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CONT_Y = 3
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def fmt_date(iso)
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Time.parse(iso.to_s).strftime('%Y-%m-%d')
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rescue
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iso.to_s
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end
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def wrap_wiki(text, width)
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clean = text.to_s
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.gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
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.gsub(/[#*_`~>|\\]/, '')
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.gsub(/\r?\n+/, ' ')
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.strip
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words = clean.split
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lines = []
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line = +''
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words.each do |word|
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if line.empty?
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line << word
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elsif line.length + 1 + word.length <= width
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line << ' ' << word
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else
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lines << line.dup
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line = +word
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end
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end
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lines << line unless line.empty?
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lines
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end
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BBS.configure do |c|
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c.on_session_end = ->(session) { ONLINE.remove(session.session_id) }
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c.flow = BBS::Flow.define do
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big_banner 'TELETYPE BBS', style: :success
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ask :username, prompt: 'Name (blank for Anonymous)',
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transform: ->(v) { v.strip.empty? ? 'Anonymous' : v.strip[0...20] }
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call { |ctx| ONLINE.add(ctx[:session_id], ctx[:username]) }
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call do |ctx, runner|
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session = runner.instance_variable_get(:@session)
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username = ctx[:username]
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session_id = ctx[:session_id]
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tui = BBS::TUI.define do
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init do
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@menu_sel = 0
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@state = :idle
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@prev_state = :idle
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@items = []
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@item_sel = 0
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@scroll = 0
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@detail = []
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@page_header = ''
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@page_meta = ''
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@input = ''
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@status = ''
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@username = username
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@session_id = session_id
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end
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render do
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cont_w = term_cols - CONT_X - 1
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cont_h = term_rows - CONT_Y - 4
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clear
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bar y: 1,
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content: " TELETYPE BBS │ #{@username} │ #{ONLINE.count} online",
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style: :success
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menu_labels = MENU_ITEMS.map { |item| item[0, 15] }
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list menu_labels, x: 2, y: CONT_Y, selected: @menu_sel,
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style: :gray, highlight: :white
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(CONT_Y..CONT_Y + cont_h).each { |r| text c(:gray, '│'), x: SEP_X, y: r }
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case @state
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when :idle
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text c(:gray, 'Navigate with ↑↓, select with Enter'),
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x: CONT_X, y: CONT_Y + cont_h / 2
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when :messages
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text c(:cyan, '── Message Board ──'), x: CONT_X, y: CONT_Y
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(@items[@scroll, cont_h - 2] || []).each_with_index do |line, i|
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text line[0, cont_w], x: CONT_X, y: CONT_Y + 2 + i
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end
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text c(:gray, "#{@items.size} msg(s) ↑↓ scroll q back"),
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x: CONT_X, y: CONT_Y + cont_h
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when :new_msg
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text c(:cyan, '── Post Message ──'), x: CONT_X, y: CONT_Y
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text c(:gray,'Type message and press Enter. Esc cancels.'),
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x: CONT_X, y: CONT_Y + 2
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text c(:white, "#{@username}: #{@input}_"), x: CONT_X, y: CONT_Y + 4
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text c(:green, @status), x: CONT_X, y: CONT_Y + 6 unless @status.empty?
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when :blog, :howto
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color = @state == :blog ? :blue : :magenta
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hdr = @state == :blog ? '── Blog Posts ──' : '── HowTo Guides ──'
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text c(color, hdr), x: CONT_X, y: CONT_Y
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if @items.empty?
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text c(:gray, 'No items found.'), x: CONT_X, y: CONT_Y + 2
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else
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list_h = cont_h - 5
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visible = @items[@scroll, list_h] || []
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labels = visible.map { |p| p.title[0, cont_w - 2] }
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list labels, x: CONT_X, y: CONT_Y + 2,
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selected: @item_sel - @scroll, style: :gray, highlight: :white
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if (page = @items[@item_sel])
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hint = page.description.to_s.strip[0, cont_w]
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text c(:gray, hint), x: CONT_X, y: CONT_Y + cont_h - 2 unless hint.empty?
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end
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text c(:gray, '↑↓ navigate Enter read q back'),
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x: CONT_X, y: CONT_Y + cont_h
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end
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when :page_view
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text c(:cyan, @page_header[0, cont_w]), x: CONT_X, y: CONT_Y
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text c(:gray, @page_meta[0, cont_w]), x: CONT_X, y: CONT_Y + 1
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(@detail[@scroll, cont_h - 3] || []).each_with_index do |l, i|
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text c(:gray, l[0, cont_w]), x: CONT_X, y: CONT_Y + 3 + i
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end
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text c(:gray, "#{@scroll + 1}/#{@detail.size} ↑↓ scroll q back"),
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x: CONT_X, y: CONT_Y + cont_h
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when :games
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text c(:cyan, '── Game Catalog ──'), x: CONT_X, y: CONT_Y
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if @items.empty?
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text c(:gray, 'No games found.'), x: CONT_X, y: CONT_Y + 2
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else
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game = @items[@item_sel]
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text c(:white, "#{@item_sel + 1}/#{@items.size} #{game.title}"[0, cont_w]),
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x: CONT_X, y: CONT_Y + 1
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text c(:gray, "#{game.platform} #{game.author}"[0, cont_w]),
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x: CONT_X, y: CONT_Y + 2
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wrap_wiki(game.desc.to_s, cont_w).first(cont_h - 10).each_with_index do |l, i|
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text c(:gray, l), x: CONT_X, y: CONT_Y + 4 + i
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end
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badges = []
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badges << c(:green, '[▶ Play]') unless game.play_path.empty?
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badges << c(:yellow, '[⬇ Download]') unless game.download_path.empty?
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badges << c(:blue, '[Source]') unless game.source_path.empty?
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badges << c(:magenta, '[Docs]') unless game.docs_path.empty?
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text badges.join(' '), x: CONT_X, y: CONT_Y + cont_h - 5
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text c(:gray, "↑↓ navigate q back"), x: CONT_X, y: CONT_Y + cont_h
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end
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when :online
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text c(:yellow, '── Online Users ──'), x: CONT_X, y: CONT_Y
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@items.each_with_index do |uname, i|
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you = uname == @username ? c(:gray, ' ← you') : ''
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text c(:white, uname) + you, x: CONT_X, y: CONT_Y + 2 + i
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end
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text c(:gray, "#{@items.size} user(s) online q back"),
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x: CONT_X, y: CONT_Y + cont_h
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when :sysinfo
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text c(:magenta, '── System Info ──'), x: CONT_X, y: CONT_Y
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@items.each_with_index do |row, i|
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text c(:gray, row[0, cont_w]), x: CONT_X, y: CONT_Y + 2 + i
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end
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text c(:gray, 'q back'), x: CONT_X, y: CONT_Y + cont_h
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end
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bar y: term_rows, content: ' ↑↓ Navigate Enter Select q Back/Quit r Refresh',
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style: :muted
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end
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# ── Navigation ────────────────────────────────────────────────────────
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key(:up) do
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case @state
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when :blog, :howto
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if @item_sel > 0
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@item_sel -= 1
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@scroll = @item_sel if @item_sel < @scroll
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end
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when :games
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@item_sel = (@item_sel - 1) % @items.size if @items.any?
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when :messages
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@scroll = [@scroll - 1, 0].max
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when :page_view
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@scroll = [@scroll - 1, 0].max
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else
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@menu_sel = (@menu_sel - 1) % MENU_ITEMS.size
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end
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end
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key(:down) do
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case @state
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when :blog, :howto
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if @item_sel < @items.size - 1
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@item_sel += 1
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list_h = (term_rows - CONT_Y - 4) - 5
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@scroll = @item_sel - list_h + 1 if @item_sel >= @scroll + list_h
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end
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when :games
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@item_sel = (@item_sel + 1) % @items.size if @items.any?
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when :messages
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cont_h = term_rows - CONT_Y - 4
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max = [@items.size - (cont_h - 2), 0].max
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@scroll = [@scroll + 1, max].min
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when :page_view
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cont_h = term_rows - CONT_Y - 4
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max = [@detail.size - (cont_h - 3), 0].max
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@scroll = [@scroll + 1, max].min
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else
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@menu_sel = (@menu_sel + 1) % MENU_ITEMS.size
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end
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end
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key(:enter) do
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if @state == :new_msg
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if @input.strip.empty?
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@status = 'Message cannot be empty.'
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else
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MESSAGES.append(@username, @input.strip[0...200])
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@status = 'Sent!'
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@input = ''
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end
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elsif (@state == :blog || @state == :howto) && @items[@item_sel]
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page = @items[@item_sel]
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body = WIKI.content(page.id)
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@detail = wrap_wiki(body, term_cols - CONT_X - 1)
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@page_header = page.title
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@page_meta = "#{fmt_date(page.created_at)} #{WIKI.page_url(page.locale, page.path)}"
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@prev_state = @state
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@scroll = 0
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@state = :page_view
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else
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case MENU_ITEMS[@menu_sel]
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when 'Messages'
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@items = MESSAGES.last(30).map do |m|
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"#{c(:yellow, m.timestamp)} #{c(:white, m.username)}: #{m.text}"
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end
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@scroll = 0
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@state = :messages
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when 'Post Message'
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@input = ''
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@status = ''
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@state = :new_msg
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when 'Blog Posts'
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@items = WIKI.list('blog')
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@item_sel = 0
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@scroll = 0
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@state = :blog
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when 'HowTo Guides'
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@items = WIKI.list('howto')
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@item_sel = 0
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@scroll = 0
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@state = :howto
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when 'Game Catalog'
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@items = CATALOG.fetch
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@item_sel = 0
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@state = :games
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when 'Online Users'
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@items = ONLINE.snapshot.sort.map { |_, name| name }
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@state = :online
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when 'System Info'
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@items = [
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"Online users #{ONLINE.count}",
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"Messages #{MESSAGES.count}",
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"Wiki https://wiki.teletypegames.org",
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"Games API https://teletypegames.org",
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"Platform #{RUBY_PLATFORM}",
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"Ruby #{RUBY_VERSION}"
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]
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@state = :sysinfo
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when 'Exit'
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:halt
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end
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end
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end
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key(:escape) do
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if @state == :idle
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:halt
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elsif @state == :page_view
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@scroll = 0
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@state = @prev_state
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nil
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else
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@state = :idle
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nil
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end
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end
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key('q') do
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if @state == :new_msg
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@input << 'q' if @input.length < 200
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nil
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elsif @state == :idle
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:halt
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elsif @state == :page_view
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@scroll = 0
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@state = @prev_state
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nil
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else
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@state = :idle
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nil
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end
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end
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key('r') do
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if @state == :new_msg
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@input << 'r' if @input.length < 200
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nil
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else
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case @state
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when :messages
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@items = MESSAGES.last(30).map do |m|
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"#{c(:yellow, m.timestamp)} #{c(:white, m.username)}: #{m.text}"
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end
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@scroll = 0
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when :online
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@items = ONLINE.snapshot.sort.map { |_, name| name }
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when :blog
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@items = WIKI.list('blog'); @item_sel = 0; @scroll = 0
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when :howto
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@items = WIKI.list('howto'); @item_sel = 0; @scroll = 0
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when :games
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@items = CATALOG.fetch; @item_sel = 0
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end
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nil
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end
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end
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key(:backspace) do
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@input.chop! if @state == :new_msg && !@input.empty?
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end
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(' '..'~').each do |ch|
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next if ch == 'q' || ch == 'r'
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key(ch) do
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@input << ch if @state == :new_msg && @input.length < 200
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end
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end
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end
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BBS::TUIRunner.new(session, session_id, tui).run
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end
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say 'Goodbye!', style: :muted
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end
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end
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BBS.start
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