# =====================
# Dotfiles Zshrc: conventions, device profiles, plugins, workflow
# =====================
# - Modular, idempotent, and device-aware (laptop/desktop via $DOTFILES_DEVICE)
# - All plugins managed via Zinit for speed and maintainability
# - Developer/power user aliases, functions, and keybinds
# - Device-specific fragments: ~/.zshrc.laptop, ~/.zshrc.desktop (auto-sourced)
# - Commit after each logical change with descriptive message
# - See AGENTS.md for full conventions

# =====================
# Environment settings
# =====================

# Do Not Track for CLI tools
export DO_NOT_TRACK=1

# Preferred editor
export EDITOR='nvim'

# =====================
# Device profile sourcing (laptop/desktop)
# =====================
if [[ -n "$DOTFILES_DEVICE" ]]; then
  if [[ "$DOTFILES_DEVICE" == "laptop" && -f "$HOME/.zshrc.laptop" ]]; then
    source "$HOME/.zshrc.laptop"
  elif [[ "$DOTFILES_DEVICE" == "desktop" && -f "$HOME/.zshrc.desktop" ]]; then
    source "$HOME/.zshrc.desktop"
  fi
fi

# =====================
# Zinit plugin manager setup
# =====================
ZINIT_HOME="${XDG_DATA_HOME:-$HOME/.local/share}/zinit/zinit.git"
if [[ ! -d $ZINIT_HOME ]]; then
  mkdir -p "$(dirname $ZINIT_HOME)"
  git clone https://github.com/zdharma-continuum/zinit.git "$ZINIT_HOME"
fi
source "$ZINIT_HOME/zinit.zsh"

# =====================
# Zinit auto-update logic (updates Zinit and plugins once per week)
# =====================
ZINIT_UPDATE_STAMP="$HOME/.cache/zinit-last-update"
ZINIT_UPDATE_INTERVAL=$((7*24*60*60)) # 7 days (weekly) in seconds
zinit_auto_update() {
  local now=$(date +%s)
  local last=0
  if [[ -f "$ZINIT_UPDATE_STAMP" ]]; then
    last=$(cat "$ZINIT_UPDATE_STAMP" 2>/dev/null)
  fi
  if (( now - last > ZINIT_UPDATE_INTERVAL )); then
    echo "[zinit] Auto-updating Zinit and plugins..."
    zinit self-update && zinit update --all
    echo $now > "$ZINIT_UPDATE_STAMP"
  fi
}
# Run auto-update on shell startup (fast if already up-to-date)
zinit_auto_update
# Manual update alias
alias zinit-update-now='zinit self-update && zinit update --all && date +%s > "$ZINIT_UPDATE_STAMP" && echo "[zinit] Manual update complete."'

# =====================
# Prompt and UI
# =====================

# --- Zinit plugin loading ---
# All plugins are loaded via Zinit for modularity and speed
zinit light zsh-users/zsh-autosuggestions
zinit light zsh-users/zsh-syntax-highlighting
zinit light Aloxaf/fzf-tab
zinit light zsh-users/zsh-completions
zinit light zsh-users/zsh-history-substring-search
zinit snippet OMZP::git
# Starship prompt initialization
export STARSHIP_CONFIG="$HOME/.config/starship.toml"
if command -v starship >/dev/null; then
  eval "$(starship init zsh)"
fi

# --- Starship prompt ---
# Starship prompt is now used exclusively. See https://starship.rs for config.
# Device profile info can be added via Starship config if needed.


# =====================
# fzf integration
# =====================

# fzf key bindings and completion
if [ -f /usr/share/fzf/key-bindings.zsh ]; then
  source /usr/share/fzf/key-bindings.zsh
fi
if [ -f /usr/share/fzf/completion.zsh ]; then
  source /usr/share/fzf/completion.zsh
fi


# =====================
# Aliases & Functions (Developer Workflow)
# =====================

# Modern replacements for coreutils
alias cat="bat"
alias ls="exa --icons"
alias ll="exa -l --icons"
alias la="exa -la --icons"

# Developer tools
alias lg="lazygit"
alias gs="git status"
alias ga="git add"
alias gc="git commit"
alias gco="git checkout"
alias gcm="git commit -m"
alias glog="git log --oneline --graph --decorate"
alias gpull="git pull"
alias gpush="git push"
alias gdiff="git diff"
alias gbr="git branch"
alias gsw="git switch"
alias gcl="git clone"

# Navigation
alias ..="cd .."
alias ...="cd ../.."

# =====================
# Robust keybinds for navigation and editing (support most terminals)
# =====================

# Use terminfo for portability
typeset -g -A key
key[Home]="${terminfo[khome]}"
key[End]="${terminfo[kend]}"
key[Insert]="${terminfo[kich1]}"
key[Delete]="${terminfo[kdch1]}"
key[Up]="${terminfo[kcuu1]}"
key[Down]="${terminfo[kcud1]}"
key[Left]="${terminfo[kcub1]}"
key[Right]="${terminfo[kcuf1]}"
key[PageUp]="${terminfo[kpp]}"
key[PageDown]="${terminfo[knp]}"
key[Shift-Tab]="${terminfo[kcbt]}"

[[ -n "${key[Home]}"      ]] && bindkey -- "${key[Home]}"       beginning-of-line
[[ -n "${key[End]}"       ]] && bindkey -- "${key[End]}"        end-of-line
[[ -n "${key[Insert]}"    ]] && bindkey -- "${key[Insert]}"     overwrite-mode
[[ -n "${key[Delete]}"    ]] && bindkey -- "${key[Delete]}"     delete-char
[[ -n "${key[Up]}"        ]] && bindkey -- "${key[Up]}"         up-line-or-history
[[ -n "${key[Down]}"      ]] && bindkey -- "${key[Down]}"       down-line-or-history
[[ -n "${key[Left]}"      ]] && bindkey -- "${key[Left]}"       backward-char
[[ -n "${key[Right]}"     ]] && bindkey -- "${key[Right]}"      forward-char
[[ -n "${key[PageUp]}"    ]] && bindkey -- "${key[PageUp]}"     beginning-of-buffer-or-history
[[ -n "${key[PageDown]}"  ]] && bindkey -- "${key[PageDown]}"   end-of-buffer-or-history
[[ -n "${key[Shift-Tab]}" ]] && bindkey -- "${key[Shift-Tab]}"  reverse-menu-complete

# Common escape sequences for Ctrl/Alt + Arrow keys (Alacritty, xterm, etc.)
bindkey '^[[1;5D' backward-word      # Ctrl+Left
bindkey '^[[1;5C' forward-word       # Ctrl+Right
bindkey '^[Od' backward-word         # Ctrl+Left (alternate)
bindkey '^[Oc' forward-word          # Ctrl+Right (alternate)
bindkey '^[[1;3D' backward-word      # Alt+Left
bindkey '^[[1;3C' forward-word       # Alt+Right

# Already present: Alt+b/f for word movement
# bindkey '^[b' backward-word
# bindkey '^[f' forward-word

# Optionally, Alt+Up/Down for directory navigation (custom widgets can be added)

# Ensure terminal is in application mode for terminfo keycodes
if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
  autoload -Uz add-zle-hook-widget
  function zle_application_mode_start { echoti smkx }
  function zle_application_mode_stop { echoti rmkx }
  add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
  add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
fi

# Quick edit .zshrc
alias ezrc="nvim ~/.zshrc"

# Function: reload zsh config
reload-zsh() { source ~/.zshrc && echo 'Reloaded .zshrc'; }


# =====================
# Zsh history settings
# =====================

HISTFILE=~/.zsh_history
HISTSIZE=10000
SAVEHIST=10000
setopt append_history
setopt inc_append_history
setopt share_history
setopt hist_ignore_dups
setopt hist_reduce_blanks


# =====================
# Zsh plugin integrations
# =====================

# Autosuggestions
if [ -f /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh ]; then
  source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
  # Accept autosuggestion with Ctrl+F or Right Arrow
  bindkey '^F' autosuggest-accept
  bindkey '^[[C' autosuggest-accept
fi
# Syntax highlighting
if [ -f /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh ]; then
  source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
fi
# Additional completions
fpath+=/usr/share/zsh/site-functions
autoload -Uz compinit && compinit

# =====================
# Keybinds (Navigation, Editing, FZF, Completion)
# =====================

# Emacs mode by default (comment out for vi mode)
bindkey -e
# Uncomment below for vi mode
# bindkey -v

# History search
bindkey '^R' fzf-history-widget        # fzf history search (fzf-tab)
bindkey '^S' history-incremental-search-forward
bindkey '^H' history-substring-search-backward # substring search (plugin)
bindkey '^P' history-substring-search-forward  # substring search (plugin)

# Navigation
bindkey '^A' beginning-of-line
bindkey '^E' end-of-line
bindkey '^[b' backward-word
bindkey '^[f' forward-word

# Editing
bindkey '^U' kill-whole-line
bindkey '^W' backward-kill-word
bindkey '^K' kill-line
bindkey '^Y' yank

# Completion
bindkey '^I' expand-or-complete
bindkey '^ ' menu-complete

# fzf keybinds (if fzf is loaded)
if [ -n "$FZF_TMUX" ] || [ -f /usr/share/fzf/key-bindings.zsh ]; then
  # Ctrl+T: fzf file search
  bindkey '^T' fzf-file-widget
  # Alt+C: fzf cd widget
  bindkey '^[c' fzf-cd-widget
fi

# FZF-tab completion (tab for fuzzy completion)
# fzf-tab plugin handles completion menu automatically

# Documented: All keybinds above are for fast navigation, editing, history, and fuzzy search

# =====================
# Command-not-found handler (Arch/pkgfile)
# =====================

if [ -f /usr/share/doc/pkgfile/command-not-found.zsh ]; then
  source /usr/share/doc/pkgfile/command-not-found.zsh
fi

# =====================
# End of .zshrc
# =====================