module ArchdigGame

# File lib/archdig_game.rb, line 57
def day_key(time: Time.now)
  time.utc.strftime("%Y-%m-%d")
end

# File lib/archdig_game.rb, line 72
def ensure_topic(data, day_index:)
  data = data.dup
  data["topic_index"] ||= day_index
  data["submissions"] ||= {}
  data
end

# File lib/archdig_game.rb, line 135
def format_header(title)
  IrcFormat.report_header(tag: "DIG", title: title, style: STYLE_TITLE)
end

# File lib/archdig_game.rb, line 121
def format_top(data)
  board = leaderboard(data)
  lines = [format_header("Today's digs")]
  if board.empty?
    lines << "No submissions yet."
  else
    board.each_with_index do |(nick, entry), index|
      lines << "#{index + 1}. #{nick} — #{entry['score']}/10 — #{entry['text']}"
    end
  end
  lines << IrcFormat.report_footer("#{board.length} entries")
  lines.join("\n")
end

# File lib/archdig_game.rb, line 116
def leaderboard(data)
  subs = data["submissions"] || {}
  subs.sort_by { |_, v| [-v["score"].to_i, v["text"].to_s] }
end

# File lib/archdig_game.rb, line 61
def load_day(network:, channel:, day:, store: RabbotDb)
  GameStore.load(plugin: PLUGIN, network: network, channel: channel, key: "day:#{day}", store: store) || {
    "topic_index" => nil,
    "submissions" => {}
  }
end

# File lib/archdig_game.rb, line 39
def parse_command(text)
  parts = text.to_s.strip.split(/\s+/)
  return { action: :topic } if parts.empty?

  case parts[0].downcase
  when "help"
    { action: :help }
  when "submit"
    return { error: usage_message } if parts.length < 2

    { action: :submit, text: parts[1..].join(" ") }
  when "top", "leaderboard"
    { action: :top }
  else
    { error: usage_message }
  end
end

# File lib/archdig_game.rb, line 68
def save_day(network:, channel:, day:, data:, store: RabbotDb)
  GameStore.save(plugin: PLUGIN, network: network, channel: channel, key: "day:#{day}", game: data, store: store)
end

# File lib/archdig_game.rb, line 106
def score_submission(text, day_index:)
  base = 3
  base += 1 if text.length > 40
  base += 1 if text.match?(/\b(19|20)\d{2}\b/)
  base += 1 if text.split.length >= 6
  base += [text.length % 3, 2].min
  base += day_index % 2
  [base, 10].min
end

# File lib/archdig_game.rb, line 88
def submit(data:, user:, text:, day_index:)
  data = ensure_topic(data, day_index: day_index)
  entry = text.to_s.strip
  return { error: "Submission cannot be empty." } if entry.empty?

  submissions = data["submissions"].dup
  key = GameStore.norm_nick(user)
  return { error: "You already submitted today." } if submissions[key]

  score = score_submission(entry, day_index: day_index)
  submissions[key] = { "text" => entry, "score" => score }
  data["submissions"] = submissions
  {
    data: data,
    message: "#{format_header('Submitted')} \nScore: #{score}/10 — rarity + nostalgia heuristic"
  }
end

# File lib/archdig_game.rb, line 79
def topic_message(day_index:)
  topic = ArchdigTopics.topic_for_day(day_index)
  lines = [format_header("Daily dig")]
  lines << "Topic: #{topic}"
  lines << "Submit your best example with !archdig submit <text>"
  lines << IrcFormat.report_footer("channel archaeologist")
  lines.join("\n")
end

# File lib/archdig_game.rb, line 35
def usage_message
  "Usage: !archdig | !archdig submit <example> | !archdig top"
end