zshrc

# ~/.zshrc
# Seongho's dotfiles — https://github.com/liveseongho/dotfiles

# ========== Guard: zsh only ==========
if [ -z "$ZSH_VERSION" ]; then
  return 0 2>/dev/null || exit 0
fi

# ========== Fix fpath if zsh standard functions are missing ==========
if ! (( $fpath[(I)/usr/share/zsh/*/functions] )); then
  local _zsh_funcs="/usr/share/zsh/${ZSH_VERSION}/functions"
  [[ -d "$_zsh_funcs" ]] && fpath=("$_zsh_funcs" $fpath)
  unset _zsh_funcs
fi

# Tab display: match vim's tabstop=4 (must be before p10k instant prompt)
tabs 4 2>/dev/null

# Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
  source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
fi

# ========== Oh My Zsh ==========
export ZSH="$HOME/.oh-my-zsh"
ZSH_THEME="powerlevel10k/powerlevel10k"
ZSH_DISABLE_COMPFIX=true

plugins=(
  git
  zsh-syntax-highlighting
  zsh-autosuggestions
)

source $ZSH/oh-my-zsh.sh

# ========== fzf ==========
[ -f ~/.fzf.zsh ] && source ~/.fzf.zsh
if command -v fzf &>/dev/null; then
  # Use fzf for Ctrl+R history search
  eval "$(fzf --zsh 2>/dev/null)" || source <(fzf --generate-shell-integration zsh 2>/dev/null) || true
fi

# ========== History ==========
HISTFILE=~/.zsh_history
HISTSIZE=50000
SAVEHIST=50000

setopt hist_ignore_all_dups
setopt hist_ignore_dups
setopt hist_expire_dups_first
setopt hist_ignore_space
setopt share_history
setopt inc_append_history

# ========== PATH ==========
export PATH="$HOME/dotfiles/bin:$PATH"
export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:$PATH"
export PATH="/opt/homebrew/opt/node@22/bin:$PATH"

# ========== Environment Modules (HPC/Linux servers) ==========
if [ -f /etc/profile.d/modules.sh ]; then
  source /etc/profile.d/modules.sh
elif [ -f /usr/share/modules/init/zsh ]; then
  source /usr/share/modules/init/zsh
elif [ -f /usr/share/Modules/init/zsh ]; then
  source /usr/share/Modules/init/zsh
fi

# ========== Aliases ==========
alias ll='ls -la'
alias la='ls -A'
alias l='ls -CF'
alias gs='git status'
alias sq='squeue'
alias si='sinfo'
alias ta='tmux attach -t'
alias tn='tmux new -s'


# ========== Powerlevel10k ==========
# To customize prompt, run `p10k configure` or edit ~/.p10k.zsh
[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh

# ========== Local overrides ==========
# Machine-specific config: conda init, module load, extra aliases, etc.
# This file is NOT managed by dotfiles — your changes persist across updates.
[[ -f ~/.zshrc.local ]] && source ~/.zshrc.local