#!/usr/bin/env bash

[[ ! "$DOT_FILES" ]] && echo "NOT setting dotgit aliases, since DOT_FILES not set." && return
[[ ! "$DOT_HOME" ]] && echo "NOT setting dotgit aliases, since DOT_HOME not set." && return

[[ -n "$DEBUG" ]] && echo loading dotGit aliases

[[ -z "$DOTGIT_MULTI_LIMIT" ]] && DOTGIT_MULTI_LIMIT=2
[[ -z "$DOTGIT_MULTI_ACCEPT" ]] && DOTGIT_MULTI_ACCEPT='{1}'
[[ -z "$DOTGIT_PREVIEW" ]] && DOTGIT_PREVIEW='bat -p --color=always'

# the master alias
alias .git='git --git-dir=${DOT_FILES} --work-tree=${DOT_HOME}'

# and all the shortcuts
alias .ga='.git add'
alias .gc='.git commit' 
alias .gco='.git checkout' 
alias .gd='.git diff'
alias .gss='.git status --short'
alias .glo='.git log --oneline --decorate' 
alias .glg='.git log --stat' 
alias .glgp='.git log --stat --patch'
alias .gbl='git blame -w'
alias .gb='git branch'
alias .gba='git branch --all'
alias .gbd='git branch --delete'
alias .gbD='git branch --delete --force'
alias .gm='git merge'
alias .gma='git merge --abort'
alias .gmc='git merge --continue'
alias .gc!='git commit --verbose --amend'
alias .gcm='git commit --message'
alias .gcp='git cherry-pick'
alias .gcpa='git cherry-pick --abort'
alias .gcpc='git cherry-pick --continue'
alias .gclean='git clean --interactive -d'
alias .ginit='git init --bare "${DOT_FILES}"; .git config --local status.showUntrackedFiles no'
# only set up push and pull if DOT_ORIGIN is set
if [[ -n "$DOT_ORIGIN" ]]; then
  alias .gp='.git push'
  alias .gl='.git pull'
  alias .gclone='git clone --bare "${DOT_ORIGIN}" "${DOT_FILES}"; .git config --local status.showUntrackedFiles no'
else
  alias .gp='echo "error: must first configure DOT_HOME"'
  alias .gl='echo "error: must first configure DOT_HOME"'
  alias .gclone='echo "error: must first configure DOT_HOME"'
fi
# if lazygit or gitui are avaiable, we set up a .lazygit and .gitui
[[ $(command -v lazygit) ]] &&
  alias .lazygit='lazygit -g ${DOT_FILES}/.dotfiles/ -w ${DOT_HOME}'
[[ $(command -v gitui) ]] &&
  alias .gitui='gitui -d ${DOT_FILES}/.dotfiles/ -w ${DOT_HOME}'

# if fzf is installed we can have nice things
# https://github.com/junegunn/fzf
if [[ $(command -v fzf) ]]; then
  fzf_opts=(--multi="$DOTGIT_MULTI_LIMIT" --ansi -0 
    --preview-window "right,60%,<60(down,75%),+{2}/2"
    --bind 'ctrl-z:ignore'
  )
  _dotgit_ge() {
    local gitdir
    local files
    gitdir=$(.git rev-parse --show-toplevel)
    files=$(cd "$gitdir" && .git ls-files --full-name |
      fzf "${fzf_opts[@]}" \
        --preview "$DOTGIT_PREVIEW {1}" \
        --bind "enter:accept-non-empty" \
        -q "${@:-}" | paste -sd' ')
    [[ -n "$files" ]] && sh -c "cd \"$gitdir\" && \"$EDITOR\" $files"
  }
  alias .ge='_dotgit_ge'
 
  _dotgit_gg() {
    local gitdir
    local files
    gitdir=$(.git rev-parse --show-toplevel)
    files=$(cd "$gitdir" && .git grep --full-name --color=always -n "$@" |
      fzf "${fzf_opts[@]}" -d ":" \
        --preview "$DOTGIT_PREVIEW -H{2} {1}" \
        --accept-nth "$DOTGIT_MULTI_ACCEPT" | paste -sd' ')
    [[ -n "$files" ]] && sh -c "cd \"$gitdir\" && \"$EDITOR\" $files"
  }
  alias .gg='_dotgit_gg'
else
  # simplified grep but no "interactive file select"
  alias .gg='.git grep'
fi

[[ -n "$DEBUG" ]] && echo dotGit aliases loaded

if [[ "$DOTGIT_ANYGIT" == 'yes' ]]; then
  [[ -n "$DEBUG" ]] && echo loading anyGit aliases

  alias ga='git add'
  alias gba='git branch --all'
  alias gbd='git branch --delete'
  alias gbD='git branch --delete --force'
  alias gb='git branch'
  alias gbl='git blame -w'
  alias gc='git commit'
  alias gclean='git clean --interactive -d'
  alias gclone='git clone'
  alias gcm='git commit --message'
  alias gco='git checkout'
  alias gcpa='git cherry-pick --abort'
  alias gcpc='git cherry-pick --continue'
  alias gcp='git cherry-pick'
  alias gd='git diff'
  alias ge=_dotgit_ge
  alias gg=_dotgit_gg
  alias ginit='git init'
  alias glg='git log --stat'
  alias gl='git pull'
  alias glgp='git log --stat --patch'
  alias glo='git log --oneline --decorate'
  alias gma='git merge --abort'
  alias gmc='git merge --continue'
  alias gm='git merge'
  alias gp='git push'
  alias grt='git rev-parse --show-toplevel'
  alias gss='git status --short'

  # if fzf is installed we can have nice things
  # https://github.com/junegunn/fzf
  if [[ $(command -v fzf) ]]; then
    fzf_opts=(--multi="$DOTGIT_MULTI_LIMIT" --ansi -0 
      --preview-window "right,60%,<60(down,75%),+{2}/2"
      --header '<tab> to mark more than one file | <enter> to open file(s) in editor'
      --bind 'ctrl-z:ignore'
      --bind 'ctrl-w:toggle-wrap'
    )
    _anygit_ge() {
      local gitdir
      gitdir=$(git rev-parse --show-toplevel)
      local files
      files=$(cd "$gitdir" && git ls-files --full-name |
        fzf "${fzf_opts[@]}" \
          --preview "$DOTGIT_PREVIEW {1}" \
          --bind "enter:accept-non-empty" \
          -q "${@:-}" | paste -sd' ')
      [[ -n "$files" ]] && sh -c "cd \"$gitdir\" && \"$EDITOR\" $files"
    }
    alias ge='_anygit_ge'
   
    _anygit_gg() {
      local gitdir
      gitdir=$(git rev-parse --show-toplevel)
      local files
      files=$(cd "$gitdir" && git grep --full-name --color=always -n "$@" |
        fzf "${fzf_opts[@]}" -d ":" \
        --preview "$DOTGIT_PREVIEW -H{2} {1}" \
        --accept-nth "$DOTGIT_MULTI_ACCEPT" | paste -sd' ')

      [[ -n "$files" ]] && sh -c "cd \"$gitdir\" && \"$EDITOR\" $files"
    }
    alias gg='_anygit_gg' # | read -r f; echo $f'
  else
    # simplified grep but no "interactive file select"
    alias gg='git grep'
  fi
  [[ -n "$DEBUG" ]] && echo anyGit aliases loaded
fi