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## I. PDF Compression #######################
pdfcompress ()
{
   gs -q -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -dCompatibilityLevel=1.3 -dPDFSETTINGS=/screen -dEmbedAllFonts=true -dSubsetFonts=true -dColorImageDownsampleType=/Bicubic -dColorImageResolution=144 -dGrayImageDownsampleType=/Bicubic -dGrayImageResolution=144 -dMonoImageDownsampleType=/Bicubic -dMonoImageResolution=144 -sOutputFile=$1.compressed.pdf $1; 
}

## II. Weather #######################

wttr() {
  # Usage: wttr [location]
  # Examples: wttr       -> your IP-based location
  #           wttr 75012 -> Paris 12e
  #           wttr 23190 -> Crozant
  local location=${1:-}
  curl -s "wttr.in/${location}?n"
}

## III. Updates (system, brew, etc) #######################
## Description: Performs system updates, Homebrew cleanup, fzf refresh, moon phase logging, and dotfile sync ###########################

function sysupdate() {
  local start_time=$(date +%s)
  echo "🔧 Starting full system update at $(date)"

  # Ensure sudo credentials are fresh
  if ! sudo -vn 2>/dev/null; then
    echo "🔒 sudo authentication required..."
    sudo -v
  fi

  echo "🍎 Updating macOS Software..."
  sudo softwareupdate -i -a

  echo "🍺 Updating Homebrew packages..."
  brew update
  brew upgrade
  brew cleanup
  brew autoremove

  # Mac App Store updates
  echo "🍎 Updating Mac App Store apps..."
  if command -v mas >/dev/null; then
    local mas_outdated=$(mas outdated)
    if [[ -n "$mas_outdated" ]]; then
      echo "📱 Updating MAS apps:"
      echo "$mas_outdated" | while read -r line; do
        echo "  $line"
      done
      mas upgrade || echo "⚠️  Some MAS updates may require manual intervention"
    else
      echo "✅ All MAS apps are up to date"
    fi
  else
    echo "⚠️  mas not installed - install with: brew install mas"
  fi

  echo "🔄 Refreshing fzf..."
  if [ -d ~/.fzf ]; then
    cd ~/.fzf && git pull && ./install --all && cd -
  fi

  # Fix Zsh completion security warnings
  echo "🔒 Checking Zsh completion security..."
  if [[ -d "/opt/homebrew/share/zsh" ]]; then
    # Fix common Homebrew Zsh permission issues
    chmod 755 /opt/homebrew/share/zsh /opt/homebrew/share/zsh/site-functions 2>/dev/null || true
  fi

  echo "🧹 Checking for broken symlinks..."
  find /usr/local/bin "$HOME/bin" "$HOME/.local/bin" -xtype l 2>/dev/null

  echo "🌓 Moon phase at update time:"
  if command -v curl &>/dev/null && command -v jq >/dev/null; then
    # Use API key from SwiftBar script
    local api_key="6ec71a8170214d828c08ba8bf2ca29e9"
    moon_json=$(curl -s "https://api.ipgeolocation.io/astronomy?apiKey=$api_key" 2>/dev/null)
    if [[ $? -eq 0 ]] && [[ -n "$moon_json" ]]; then
      moon_phase=$(echo "$moon_json" | jq -r '.moon_phase // "Unknown"' | tr '_' ' ')
      illum=$(echo "$moon_json" | jq -r '.moon_illumination_percentage // "Unknown"')
      # Add moon emoji based on phase
      local moon_emoji="🌙"
      case "$moon_phase" in
        "new moon") moon_emoji="🌑" ;;
        "waxing crescent") moon_emoji="🌒" ;;
        "first quarter") moon_emoji="🌓" ;;
        "waxing gibbous") moon_emoji="🌔" ;;
        "full moon") moon_emoji="🌕" ;;
        "waning gibbous") moon_emoji="🌖" ;;
        "last quarter") moon_emoji="🌗" ;;
        "waning crescent") moon_emoji="🌘" ;;
      esac
      echo "$moon_emoji $moon_phase (${illum}%)"
    else
      echo "🌙 Moon phase unavailable"
    fi
  else
    echo "🌙 Moon phase tracking disabled (missing curl or jq)"
  fi

  if [ -d "$HOME/.dotfiles" ]; then
    echo "📝 Committing dotfile changes..."
    cd ~/.dotfiles || return
    git add . && git commit -m "🔧 Auto-commit from sysupdate on $(date '+%Y-%m-%d %H:%M')" && git push
    brew bundle dump --force --file="$HOME/.dotfiles/Brewfile"
    cd - >/dev/null || return
  fi

  echo "📊 System Info:"
  echo "💻 $(uname -a)"
  echo "📅 macOS: $(sw_vers | grep ProductVersion)"
  echo "🧠 Memory: $(top -l 1 -s 0 | grep PhysMem)"

  # Optional post-update hook
  if [ -x "$HOME/.zsh/hooks/post-update" ]; then
    "$HOME/.zsh/hooks/post-update"
  fi

  echo "🕓 Duration: $(($(date +%s) - $start_time))s"
  osascript -e 'display notification "Update complete!" with title "System Maintenance" subtitle "All systems go 🚀"'
}

# 💤 Quiet version (no output, same functionality)
function quietupdate() {
  local start_time=$(date +%s)
  sudo -vn 2>/dev/null || sudo -v
  sudo softwareupdate -i -a >/dev/null
  brew update >/dev/null && brew upgrade >/dev/null && brew cleanup >/dev/null && brew autoremove >/dev/null
  [ -d ~/.fzf ] && cd ~/.fzf && git pull >/dev/null && ./install --all >/dev/null && cd - >/dev/null
  [ -d "$HOME/.dotfiles" ] && cd ~/.dotfiles && git add . && git commit -m "auto sysupdate" && git push && brew bundle dump --force --file="$HOME/.dotfiles/Brewfile" && cd - >/dev/null
  if [ -x "$HOME/.zsh/hooks/post-update" ]; then "$HOME/.zsh/hooks/post-update"; fi
  osascript -e 'display notification "Quiet update complete!" with title "System Maintenance"'
}

## IV. Enhanced Man Page Viewer #######################

# Detect current terminal for optimal display
detect_terminal() {
    if [[ -n "${KITTY_WINDOW_ID-}" ]]; then
        echo "kitty"
    elif [[ -n "${ITERM_SESSION_ID-}" ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
        echo "iterm"
    elif [[ "$TERM_PROGRAM" == "kitty" ]]; then
        echo "kitty"
    else
        echo "unknown"
    fi
}

# Enhanced man function with beautiful formatting in new window
man() {
    # If no arguments, show usage
    if [[ $# -eq 0 ]]; then
        echo "Usage: man <command> [section]"
        echo "Opens beautifully formatted man page in new terminal window"
        return 1
    fi
    
    local cmd="$1"
    local section="${2:-}"
    local terminal_type=$(detect_terminal)
    
    # Check if man page exists
    if ! command man -w ${section:+$section} "$cmd" >/dev/null 2>&1; then
        echo "❌ No manual entry for '$cmd'${section:+ in section $section}"
        return 1
    fi
    
    # Build the command to run in new window
    local man_cmd
    # Ensure we have the full path to bat for new shell contexts
    local bat_path=$(which bat 2>/dev/null)
    if [[ -n "$bat_path" ]]; then
        # Use bat for beautiful syntax highlighting with Nord theme
        man_cmd="export PATH=\"$PATH\"; MANPAGER='$bat_path --language=man --style=grid --color=always --theme=Nord' man ${section:+$section} '$cmd'"
    else
        # Fallback to enhanced less
        man_cmd="export PATH=\"$PATH\"; MANPAGER='less -R' man ${section:+$section} '$cmd'"
    fi
    
    # Terminal-specific window creation
    case "$terminal_type" in
        "kitty")
            # Kitty: New window with optimal size for reading
            kitty @ new-window --title "📖 man $cmd${section:+ ($section)}" --cwd "$PWD" \
                zsh -c "$man_cmd; echo; echo '📖 Press any key to close...'; read -k1"
            ;;
        "iterm")
            # iTerm2: New window with AppleScript
            osascript -e "
                tell application \"iTerm\"
                    create window with default profile
                    tell current session of current window
                        write text \"$man_cmd; echo; echo '📖 Press any key to close...'; read -k1\"
                        set name to \"📖 man $cmd${section:+ ($section)}\"
                    end tell
                end tell
            " >/dev/null 2>&1
            ;;
        *)
            # Fallback: run in current terminal with nice formatting
            echo "📖 Displaying man page for '$cmd'${section:+ (section $section)}:"
            echo ""
            eval "$man_cmd"
            ;;
    esac
}

# Quick man page search function
mans() {
    if [[ $# -eq 0 ]]; then
        echo "Usage: mans <search_term>"
        echo "Search for man pages containing the term"
        return 1
    fi
    
    echo "🔍 Searching man pages for: $*"
    echo ""
    
    # Use apropos to search, format nicely
    if command -v bat >/dev/null; then
        apropos "$*" | bat --language=man --style=plain --theme=Nord
    else
        apropos "$*"
    fi
}