#!/bin/zsh

# Disable the gosh darn XON/XOFF function that serves no purpose but to confuse me when I accidentally press Ctrl+S
stty -ixon

if [[ $PATH != *$HOME/.local/bin:* ]]; then
  PATH=$HOME/.local/bin:$PATH
fi

# Set TZ if it's not set
LOCALZONE=$(readlink -e /etc/localtime); export TZ=${TZ:-${LOCALZONE#/usr/share/zoneinfo/}}
# Install EDITOR
export EDITOR='nvim'
# Install PAGER
export PAGER='less --mouse'
# Install BROWSER
export BROWSER='firefox -P Mari --class Firefox.Main'
# Set up the vim config path
export VIM_CONFIG_DIR=$__COMMON_CONFIGS/vim
# Run an SSH agent if one doesn't already exist and link the (new or existing) SSH auth socket to the central location
if [[ ! -S $HOME/.ssh/ssh_auth_sock ]] && [[ ! -S $SSH_AUTH_SOCK ]] ; then
  eval $(ssh-agent -s | head -n1)
fi
if [[ -S $SSH_AUTH_SOCK ]] && [[ $SSH_AUTH_SOCK != $HOME/.ssh/ssh_auth_sock ]]; then
  ln -sf "$SSH_AUTH_SOCK" "$HOME/.ssh/ssh_auth_sock"
fi
SSH_AUTH_SOCK="$HOME/.ssh/ssh_auth_sock"; export SSH_AUTH_SOCK

# Set potentially-destructive commands to use interactive modes
alias rm='rm -I'
alias cp='cp -i'
alias mv='mv -i'

function rmdirs()
{
  RESULT=$(find $@ -not -type d)
  if [[ -z $RESULT ]]; then
    rm -Ir $@
  else
    results=$(wc -l <<<$RESULT)
    >&2 echo "$results file(s) were found, please check again or run rm -Ir manually:"
    echo $RESULT | head -n10 >&2
    if [[ $results -gt 10 ]]; then
      >&2 echo "... additional files elided"
    fi
  fi
}

function rmr()
{
  find $@ -not -type d
  rm -Ir $@
}

# Use a larger number of KDF rounds and the secure ed25519 key type by default.
alias ssh-keygen="ssh-keygen -a 100 -b 4096 -t ed25519"

# Reload this file's (and other customizations') aliases.
function reload_zsh()
{
  source "$HOME"/.zshrc
}

function dock()
{
  xrandr --output DP-1 --auto --left-of eDP-1
}

function dock_off()
{
  xrandr --output DP-1 --off
}

# Check if the git repository is fully synced.
# Pass --force-fetch to force the fetch to happen, even if one happened recently.
function __common_configs_in_sync() {
  (
    # Failure modes, in order:
    #   exit 9: Problem cd'ing or getting commit hashes - things that should never fail
    cd $__COMMON_CONFIGS || exit 9
    localCommit=$(git show-ref --verify --hash refs/heads/main) || exit 9
    if [[ $1 == --force-fetch ]] || [[ ! -f .last-fetch ]] || [[ $(date --reference=.last-fetch +%s) -lt $(date --date='5 minutes ago' +%s) ]]; then
      git fetch --quiet origin && touch .last-fetch
    fi
    remoteCommit=$(git show-ref --verify --hash refs/remotes/origin/main) || exit 9
    #   exit 1: main is not the commit which is checked out.
    [[ $(git symbolic-ref HEAD) == "refs/heads/main" ]] || exit 1
    #   exit 2: main and origin/main are different.
    [[ $localCommit == $remoteCommit ]] || exit 2
    #   exit 3: There are staged changes.
    git diff-index --cached --exit-code --quiet HEAD || exit 3
    #   exit 4: There are unstaged changes.
    git diff-files --exit-code --quiet HEAD || exit 4
  )
}

# Enable built in help in the shell.
export HELPDIR=/usr/share/zsh/help
autoload run-help
alias help=run-help