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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, 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    local mas_outdated=$(mas outdated)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

  # fzf removed — no longer installed

  # 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=$(date +%s)
  sudo -vn 2>/dev/null || sudo -v
  sudo softwareupdate -i -a >/dev/null
  brew update >/dev/null && brew upgrade >/dev/null && brew cleanup >/dev/null && brew autoremove >/dev/null
  [ -d "$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"'
}

# ═══════════════════════════════════════════════════════════════════════════════
# Modern, workspace-aware man page viewer
# - Kitty/tmux/iTerm split panes, syntax highlighting via bat
# - Optional qman integration for interactive TOC/search
# - Order-flexible + apropos search
# ═══════════════════════════════════════════════════════════════════════════════

man() {
    if [[ $# -eq 0 ]]; then
        echo "Usage:"
        echo "  man <command> [section]"
        echo "  man [section] <command>"
        echo "  man ? <search-term>   # apropos search"
        return 1
    fi

    # Apropos mode
    if [[ "$1" == "?" ]]; then
        shift
        /usr/bin/man -k "$@"
        return
    fi

    # Support both orders: man 2 open OR man open 2
    local cmd section
    if [[ "$1" =~ ^[0-9]+$ && -n "$2" ]]; then
        section="$1"; cmd="$2"
    else
        cmd="$1"; section="${2:-}"
    fi

    # Verify page exists
    if ! /usr/bin/man -w ${section:+$section} -- "$cmd" >/dev/null 2>&1; then
        echo "❌ No manual entry for '$cmd'${section:+ in section $section}"
        echo "💡 Try: man ? $cmd"
        return 1
    fi

    # Choose backend
    local display_cmd
    if command -v qman >/dev/null 2>&1; then
        display_cmd="qman ${section:+$section }-- '$cmd'"
    else
        local bat_path; bat_path=$(command -v bat 2>/dev/null || true)
        if [[ -n "$bat_path" ]]; then
            display_cmd="export MANWIDTH=\$(tput cols); /usr/bin/man ${section:+$section} '$cmd' 2>/dev/null \
              | col -bx \
              | '$bat_path' --language=man --style=grid --theme=\${BAT_THEME:-Nord} \
                            --paging=always --terminal-width=\$(tput cols) --wrap=auto"
        else
            display_cmd="export MANWIDTH=\$(tput cols); MANPAGER='less -R' /usr/bin/man ${section:+$section} '$cmd'"
        fi
    fi

    # Handle different terminal environments
    if [[ -n "${KITTY_WINDOW_ID:-}" ]]; then
        kitty @ launch \
            --location=vsplit \
            --title="📖 $cmd${section:+ ($section)}" \
            --cwd=current \
            --bias=${KITTY_BIAS:-60} \
            zsh -lc "$display_cmd" >/dev/null
    elif [[ -n "${TMUX:-}" ]]; then
        tmux split-window -v -l ${TMUX_HEIGHT:-40%} "$display_cmd"
    elif [[ "${TERM_PROGRAM}" == "iTerm.app" ]]; then
        osascript -e "
        tell application \"iTerm\"
            tell current window
                tell current session
                    split vertically with default profile
                    tell last session
                        write text \"$display_cmd\"
                        set name to \"📖 $cmd${section:+ ($section)}\"
                    end tell
                end tell
            end tell
        end tell" >/dev/null 2>&1
    else
        echo "📖 Displaying man page inline:"
        eval "$display_cmd"
    fi
}

# ═══════════════════════════════════════════════════════════════════════════════
# DOTFILES MANAGEMENT FUNCTIONS
# ═══════════════════════════════════════════════════════════════════════════════

# Quick navigation to dotfiles directory
dot() {
    cd ~/dotfiles
    [[ $# -gt 0 ]] && "$@"
}

# Quick edit common configs with automatic reload
zedit() { 
    ${EDITOR:-nano} ~/.zshrc && source ~/.zshrc
    echo "✅ .zshrc reloaded"
}

aedit() { 
    ${EDITOR:-nano} ~/dotfiles/shell/aliases.zsh && source ~/.zshrc
    echo "✅ aliases reloaded"
}

fedit() { 
    ${EDITOR:-nano} ~/dotfiles/shell/functions.zsh && source ~/.zshrc
    echo "✅ functions reloaded"
}

pedit() {
    ${EDITOR:-nano} ~/dotfiles/shell/paths.zsh && source ~/.zshrc
    echo "✅ paths reloaded"
}

# Backup critical configs with timestamp
backup-configs() {
    local backup_dir="$HOME/.config-backups/$(date +%Y%m%d-%H%M%S)"
    mkdir -p "$backup_dir"
    
    echo "📦 Backing up critical configs to: $backup_dir"
    
    # SSH keys (if they exist)
    if [[ -d ~/.ssh ]]; then
        cp -R ~/.ssh "$backup_dir/" 2>/dev/null || true
        echo "  ✓ SSH configuration"
    fi
    
    # Shell history
    if [[ -f ~/.zsh_history ]]; then
        cp ~/.zsh_history "$backup_dir/" 2>/dev/null || true
        echo "  ✓ Shell history"
    fi
    
    # GPG keys (if they exist)
    if [[ -d ~/.gnupg ]]; then
        cp -R ~/.gnupg "$backup_dir/" 2>/dev/null || true
        echo "  ✓ GPG configuration"
    fi
    
    echo "✅ Configs backed up to: $backup_dir"
}

# ═══════════════════════════════════════════════════════════════════════════════
# LICENSE MANAGEMENT FUNCTIONS FOR PASS
# ═══════════════════════════════════════════════════════════════════════════════

# License management: add a license entry with optional attached file
license-add() {
  if [ $# -lt 1 ]; then
    echo "Usage: license-add <product-name> [license-file-path]"
    return 1
  fi

  local product="$1"
  local entry="licenses/$product"
  local dir="$HOME/.password-store/${entry}.gpg.d"

  echo "→ Paste activation code or license metadata for '$product', then press Ctrl+D:"
  pass insert -m "$entry" || return 1

  if [ $# -eq 2 ]; then
    local filepath="$2"
    local filename="$(basename "$filepath")"
    mkdir -p "$dir"
    gpg -o "$dir/${filename}.gpg" -e -r "$(gpg --list-secret-keys --with-colons | awk -F: '/^uid:/ {print $10; exit}')" "$filepath"
    echo "✔️ Encrypted license file saved as: $dir/${filename}.gpg"
  else
    echo "✔️ Code-only license entry created for '$product'."
  fi
}


# Edit a license entry in the pass store
license-edit() {
  if [ $# -ne 1 ]; then
    echo "Usage: license-edit <product-name>"
    return 1
  fi

  local product="$1"
  pass edit "licenses/$product"
}

# List all stored licenses
license-list() {
  pass ls licenses/ | sed 's/^licenses\///' | sort
}

# Show license details and attached files for a product
license-info() {
  if [ $# -ne 1 ]; then
    echo "Usage: license-info <product-name>"
    return 1
  fi

  local product="$1"
  local entry="licenses/$product"
  local pass_file="$HOME/.password-store/${entry}.gpg"
  local attach_dir="$HOME/.password-store/${entry}.gpg.d"

  if [ ! -f "$pass_file" ]; then
    echo "❌ No license entry found for '$product'"
    return 1
  fi

  echo "🔐 License entry: $product"
  echo "----------------------------------------"
  pass show "$entry"
  echo

  if [ -d "$attach_dir" ]; then
    echo "📎 Attached encrypted file(s):"
    find "$attach_dir" -type f -name '*.gpg' -exec basename {} \;
  else
    echo "📎 No attached files."
  fi
}