# Core Zsh settings
HISTSIZE=5000000
HISTFILE=~/.zsh_history
SAVEHIST=$HISTSIZE

setopt EXTENDED_HISTORY APPEND_HISTORY SHARE_HISTORY HIST_IGNORE_SPACE
setopt HIST_IGNORE_ALL_DUPS HIST_SAVE_NO_DUPS HIST_IGNORE_DUPS HIST_FIND_NO_DUPS
setopt AUTOCD

# Keybindings
bindkey -e
bindkey '^p' history-search-backward
bindkey '^n' history-search-forward
bindkey '^[w' kill-region

# Completion styling
zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'
zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"
zstyle ':completion:*' menu no
zstyle ':fzf-tab:complete:cd:*' fzf-preview 'ls --color $realpath'
zstyle ':fzf-tab:complete:__zoxide_z:*' fzf-preview 'ls --color $realpath'
zstyle ':completion:*' range 1000:100

# Path Management (Linux specific from your original file)
# This assumes your main environment is Linux given the path elements.
# If this is a dual-boot or you frequently switch OS,
# you might need to adjust the PATH logic further.
if [[ $(uname) == "Linux" ]]; then
  # Ensure /usr/local/bin is at the front
  PATH="/usr/local/bin:$PATH"

  # Google Cloud SDK PATH and completion
  if [ -f '/home/errol/google-cloud-sdk/path.zsh.inc' ]; then
    . '/home/errol/google-cloud-sdk/path.zsh.inc'
  fi
  if [ -f '/home/errol/google-cloud-sdk/completion.zsh.inc' ]; then
    . '/home/errol/google-cloud-sdk/completion.zsh.inc'
  fi

  # Krew (Kubernetes plugin manager)
  export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"

  # Google Application Credentials
  export GOOGLE_APPLICATION_CREDENTIALS=/Users/errol/.config/gcloud/application_default_credentials.json

  # Alacritty config setup
  alacritty_config_setup linux
fi

# Homebrew setup (for macOS and Linuxbrew)
if [[ -f "/opt/homebrew/bin/brew" ]]; then
  eval "$(/opt/homebrew/bin/brew shellenv)"
  export HOMEBREW_NO_ENV_HINTS=1
  # Function to ensure Homebrew packages are installed
  function ensure_brew_packages {
    local packages=("$@")
    local cellar_dir="/opt/homebrew/Cellar"
    local caskroom_dir="/opt/homebrew/Caskroom"
    for package in "${packages[@]}"; do
      if ! [[ -d "$cellar_dir/$package" || -d "$caskroom_dir/$package" ]]; then
        echo "Installing $package..."
        if brew info --cask "$package" &>/dev/null; then
          brew install --cask --force "$package"
        else
          brew install --force "$package"
        fi
      fi
    done
  }
  # List of Homebrew packages to ensure are installed
  brew_packages=(
    "opentofu" "docker" "docker-completion" "helm" "ipython" "jq" "k9s"
    "kubernetes-cli" "neovim" "nmap" "stow" "terragrunt" "tmux" "font-hack-nerd-font"
    "alacritty" "spotify" "tailscale" "visual-studio-code" "fzf" "ripgrep"
    "fd" "spotify_player"
  )
  ensure_brew_packages "${brew_packages[@]}"
fi

# Alacritty config setup (for macOS)
if [[ $(uname) == "Darwin" ]]; then
  alacritty_config_setup osx
fi

# Shell start display
function shell_start_disp {
  echo -n "$(hostname) - "
  if command -v ifconfig &>/dev/null; then # Use command -v for portability
    ifconfig | awk '/inet / && !/inet6/ && !/127.0.0.1/ {ips = ips " " $2} END {print ips}'
  elif command -v ip &>/dev/null; then # Fallback for systems without ifconfig
    ip -4 addr show | awk '/inet / && !/127.0.0.1/ {print $2}' | cut -d/ -f1 | tr '\n' ' '
  fi
  echo # Add a newline to separate prompt from output
}
shell_start_disp

# Load aliases and Google specific configurations
if [[ -r ~/.aliasrc ]]; then
  . ~/.aliasrc
fi
if [[ -r ~/.google_rc ]]; then
  . ~/.google_rc
fi

# Fuzzy search history
function fh() {
  eval $( ([ -n "$ZSH_NAME" ] && fc -l 1 || history) | fzf +s --tac | sed 's/ *[0-9]* *//')
}

# History search function (fixes the grep issue by using \grep)
function h() {
  if [ -z "$*" ]; then
    history 1
  else
    history 1 | \grep --color=auto "$@" # Use \grep to avoid alias recursion
  fi
}

# Starship prompt
if command -v starship &> /dev/null; then
  eval "$(starship init zsh)"
else
  # Simplified installation, assumes curl is available and interactive script is okay
  # You might want to make this non-interactive or pre-download in a production setup
  curl -sS https://starship.rs/install.sh | sh
fi

# tmux plugin manager
if [[ ! -d ~/.tmux/plugins/tpm ]]; then
  git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
fi

# Gam alias
alias gam="/home/errol/bin/gamadv-xtd3/gam"

# Kubectl completion
if command -v kubectl &> /dev/null; then
  source <(kubectl completion zsh)
fi

# --- Helper Functions (defined at the end for clarity) ---
# Function to setup Alacritty configuration
function alacritty_config_setup {
  if [[ -f "$HOME/.config/alacritty/alacritty-base.toml" ]]; then
    local toml_files=("$HOME/.config/alacritty/alacritty-base.toml" "$HOME/.config/alacritty/alacritty-$1.toml")
    local combined_file="$HOME/.config/alacritty/alacritty.toml"
    echo -n > "$combined_file"
    for file in "${toml_files[@]}"; do
      if [ -f "$file" ]; then
        cat "$file" >> "$combined_file"
        echo >> "$combined_file" # Add newline
      else
        echo "File '$file' not found. Skipping."
      fi
    done
  fi
}