Hooks

# Basic downstream hook
DownstreamHook.add("my_hook") do |server_string|
  # Modify the string
  if server_string =~ /troll/
    server_string.gsub("troll", "TROLL (DANGER!)")
  else
    server_string
  end
end

DownstreamHook.add("highlight_danger") do |line|
  if line =~ /You are stunned|You are webbed/
    line = "*** #{line.upcase} ***"
  end
  line
end

monster_count = 0

DownstreamHook.add("monster_counter") do |line|
  if line =~ /Also here: .*(troll|ogre|giant)/
    monster_count += 1
    echo "Monsters encountered: #{monster_count}"
  end
  line
end

DownstreamHook.add("filter_spam") do |line|
  # Return nil to suppress output
  if line =~ /^\[.*?\]: /
    nil  # Suppress channel messages
  else
    line
  end
end

DownstreamHook.add("modify_exits") do |line|
  if line =~ /^Obvious exits: (.+)$/
    exits = $1
    line = "Available Directions: #{exits.upcase}"
  end
  line
end

DownstreamHook.add("track_room_changes") do |line|
  # Line includes XML tags in raw form
  if line =~ /<nav rm='(\d+)'/
    room_id = $1
    echo "Entered room: #{room_id}"
  end
  line
end

# Basic upstream hook
UpstreamHook.add("my_hook") do |client_string|
  # Modify or log the command
  echo "Command sent: #{client_string}"
  client_string
end

UpstreamHook.add("aliases") do |command|
  case command
  when /^aa$/
    "attack"
  when /^la$/
    "look at"
  when /^gg (.+)$/
    "go go #{$1}"
  else
    command
  end
end

log_file = File.open("commands.log", "a")

UpstreamHook.add("command_logger") do |command|
  log_file.puts "[#{Time.now}] #{command}"
  log_file.flush
  command
end

before_dying {
  log_file.close
}

UpstreamHook.add("typo_fixer") do |command|
  command.gsub(/attak/, "attack")
         .gsub(/attakc/, "attack")
         .gsub(/loook/, "look")
end

UpstreamHook.add("safety") do |command|
  if command =~ /^drop (my|.*? shield|.*? armor)/
    echo "Blocked dangerous drop command"
    nil  # Suppress command
  else
    command
  end
end

command_counts = Hash.new(0)

UpstreamHook.add("metrics") do |command|
  base_command = command.split.first
  command_counts[base_command] += 1
  command
end

before_dying {
  echo "Command usage:"
  command_counts.sort_by { |k, v| -v }.first(10).each do |cmd, count|
    echo "  #{cmd}: #{count}"
  end
}

# Remove a specific hook
DownstreamHook.remove("my_hook")
UpstreamHook.remove("my_hook")

# Always remove hooks when script exits
before_dying {
  DownstreamHook.remove("my_hook")
  UpstreamHook.remove("my_hook")
}

# List all downstream hooks
DownstreamHook.list.each do |name|
  echo "Downstream: #{name}"
end

# List all upstream hooks
UpstreamHook.list.each do |name|
  echo "Upstream: #{name}"
end

# See hook sources (which script added them)
DownstreamHook.sources
UpstreamHook.sources

DownstreamHook.add("first") do |line|
  echo "First hook"
  line
end

DownstreamHook.add("second") do |line|
  echo "Second hook"
  line
end

# Output will be:
# First hook
# Second hook

enabled = true

DownstreamHook.add("conditional") do |line|
  if enabled && line =~ /monster/
    line.gsub("monster", "MONSTER")
  else
    line
  end
end

# Toggle via command
match "toggle", /^toggle filter$/i
matchwait
enabled = !enabled
echo "Filter #{enabled ? 'enabled' : 'disabled'}"

buffer = []

DownstreamHook.add("multi_line") do |line|
  buffer << line
  
  # Keep last 5 lines
  buffer.shift if buffer.length > 5
  
  # Check for pattern across multiple lines
  if buffer.join(" ") =~ /important.*sequence/
    echo "Pattern detected!"
  end
  
  line
end

state = :idle

DownstreamHook.add("state_machine") do |line|
  case state
  when :idle
    if line =~ /combat begins/
      state = :combat
      echo "Entering combat mode"
    end
  when :combat
    if line =~ /combat ends/
      state = :idle
      echo "Exiting combat mode"
    end
  end
  line
end

# Load configuration
keywords = ["troll", "ogre", "giant"]

DownstreamHook.add("keyword_highlighter") do |line|
  keywords.each do |keyword|
    line.gsub!(keyword, "*** #{keyword.upcase} ***")
  end
  line
end

# Update keywords dynamically
keywords << "dragon"

# Script: hook_example.lic
# version: 1.0.0

echo "Installing hooks..."

# Track commands sent
command_history = []

UpstreamHook.add("command_tracker") do |command|
  command_history << command
  command_history.shift if command_history.length > 100
  command
end

# Highlight important game output
DownstreamHook.add("highlighter") do |line|
  if line =~ /You (take|suffer)/
    line = "!!! #{line.upcase} !!!"
  end
  line
end

# Monitor for specific trigger
DownstreamHook.add("trigger") do |line|
  if line =~ /the monster flees/
    echo "Monster escaped!"
    # Could trigger other actions
  end
  line
end

echo "Hooks installed. Script running..."

# Keep script alive
loop do
  pause 60
end

# Cleanup
before_dying {
  echo "Removing hooks..."
  UpstreamHook.remove("command_tracker")
  DownstreamHook.remove("highlighter")
  DownstreamHook.remove("trigger")
  
  echo "Last 5 commands:"
  command_history.last(5).each { |cmd| echo "  #{cmd}" }
}