#!/usr/bin/env bash
#!/usr/bin/env -S echo "This file can only be sourced, not run stand-alone."
# LACKADAISICAL SOURCE-ABLE FILE

# Source this in your RC file or manually to receive some of the simpler
# utilities, as well as aliases for `shrc` and `cdf`. Set env variable
# FROM_RC to 1 when sourcing this file to get RC-related functionality:
# FROM_RC=1 source <lackadaisical-root>/daisy.source

# This file is also sourced in some of the scripts included within
# lackadaisical for common functionality. Some of the shared functionality is
# only included if sourced from one of the included scripts, though you are
# free to bypass this by setting env variable LD_INTERNAL to 1.

# Pass _LD_DEBUG=1 during sourcing to see debug information on a variety of things.

if [[ $LD_INTERNAL == 1 ]];
then
  export LD_BIN=$(basename $0)
fi

function ld_dbg
{
  if [[ $_LD_DEBUG == 1 ]];
  then
    $@
  fi
}

# Variables for use in other utilities
# Find the right argument for our folder
arg=$0
if [[ ! $arg == *daisy.source* ]];
then
  arg="${BASH_SOURCE[0]}"
fi

# Check for dependencies
function _daisy_dependency_check
{
  if command -v "$1" >/dev/null 2>&1; then
    echo 1
  else
    echo 0
  fi
}

LD_HAS_fzf=$(_daisy_dependency_check fzf)
LD_HAS_md5sum=$(_daisy_dependency_check md5sum)
LD_HAS_peco=$(_daisy_dependency_check peco)
LD_HAS_tree=$(_daisy_dependency_check tree)
LD_HAS_dialog=$(_daisy_dependency_check dialog)

ld_dbg echo "Presence of utils:"
ld_dbg echo fzf $LD_HAS_fzf
ld_dbg echo md5sum $LD_HAS_md5sum
ld_dbg echo peco $LD_HAS_peco
ld_dbg echo tree $LD_HAS_tree
ld_dbg echo dialog $LD_HAS_dialog

export LD_FOLDER=$(dirname $(realpath $arg))
export LD_SOURCE_FILE=$(realpath $arg)
export LD_AVAILABLE=0

# Config folder setup
export LD_CONFIG_FOLDER="$HOME/.config/lackadaisical"
export LD_NEW_INSTALL=

if [[ ! -d "$LD_CONFIG_FOLDER" ]];
then
  # Create the folder with its basics
  mkdir -p "$LD_CONFIG_FOLDER"
  new_install=1
fi

# Multiple default source files
# [LEA.TODO] Turn these into arrays
export LD_ALIASFILE="$LD_CONFIG_FOLDER/aliases.src"
export LD_EDITORFILE="$LD_CONFIG_FOLDER/editor.src"
export LD_ESOURCEFILE="$LD_CONFIG_FOLDER/extra.src"
touch $LD_ALIASFILE
touch $LD_EDITORFILE
touch $LD_ESOURCEFILE

ld_dbg echo "Sourced config contents:"
ld_dbg cat $LD_ALIASFILE
ld_dbg cat $LD_EDITORFILE
ld_dbg cat $LD_ESOURCEFILE

# Source everything in the config folder
function _daisy_source_configs
{
  while IFS= read -r -d '' f; do
    source "$f"
  done < <(find "$LD_CONFIG_FOLDER" -name "*.src" -type f -print0)
}

# Installation into PATH
if [[ ! $PATH == *"$LD_FOLDER"* ]];
then
  export PATH="$PATH:$LD_FOLDER"
fi

# Set up the basic alias for `shrc`
# Do not set these up if LD_INTERNAL=1 is set, or infinite recursion could
# occur!
if [[ ! -v LD_INTERNAL ]];
then
  alias shrc=". shrc"
fi

###############################################################################
# FUNCTIONS and ALIASES #######################################################
###############################################################################

function multicd
{
  cdpath="$@"
  if [[ $cdpath == '' ]]
  then
    \cd
    return
  fi

  if cdz --check "$cdpath" >/dev/null 2>&1
  then
    cdz "$cdpath"
    return
  fi

  if [[ -f "$cdpath/.needs_mount" ]]
  then
    squasher mount "$cdpath"
  fi
  \cd "$cdpath"
}

alias cd=multicd

# bak and unbak
function bak
{
  # Input: <file>
  target=$1

  # Check if file exists
  if ! test -f "$target";
  then
    echo "Path not found: \"$target\""
    return 2
  fi

  # Handle both cases
  if [[ $unbak_mode == 1 ]];
  then
    cp -R "$target.bak" "$target"
    rm -rf "$target.bak"
    echo "Restored backup: $target <-- $target.bak"
  else
    cp -R "$target" "$target.bak"
    echo "Backup made: $target --> $target.bak"
  fi
}

function unbak
{
  unbak_mode=1 bak $@
}

function lsa
{
  ls -a -l -h $@
}

function lsn
{
  ls -a -l -tu -r -h $@
}

function lss
{
  ls -a -l -S -r -h $@
}

# Simple version of `cdf`
function cdf
{
  if [[ $LD_HAS_fzf != 1 ]];
  then
    echo "This function requires the utility 'fzf'. Please install it."
    return 1
  fi
  cd "$(dirname "$(fzf)")"
}

function cdp
{
  if [[ $LD_HAS_peco != 1  || $LD_HAS_tree != 1 ]];
  then
    echo "This function requires the utilities 'peco' and 'tree'. Please install them."
    echo "Consider using 'cdf' instead."
    return 1
  fi
  cd $(dirname $(tree -fia --noreport . | peco))
}

function editpeco
{
  if [[ $LD_HAS_peco != 1  || $LD_HAS_tree != 1 ]];
  then
    echo "This function requires the utilities 'peco' and 'tree'. Please install them."
    echo "Consider using 'cdf' instead."
    return 1
  fi
  tree --noreport -fia . | peco --prompt "Press CTRL+C to quit - query:" --exec "xargs -o -I{} $EDITOR {}"
}

# for convenience purposes
function editbin
{
  editx $(which $1)
}

# sets a new editor based on commony available ones, and some visual ones
function ched
{
  override=0
  if [[ $1 == "-g" ]];
  then
    override=1
  fi

  if [[ $LD_HAS_dialog != 1 ]];
  then
    echo "This function requires the utility 'dialog'. Please install it."
    return 1
  fi

  editors=("nano" "vim" "nvim" "vi" "emacs" "gedit" "kate" "mousepad" "micro" \
           "code" "subl" "joe" "kwrite" "gnome-text-editor")

  # Find which editors are installed
  available_editors=()
  for editor in "${editors[@]}";
  do
    editor_real=$(command -v "$editor")
    if command -v "$editor_real" >/dev/null 2>&1;
    then
      if [[ $(realpath "$EDITOR") == "$editor_real" ]];
      then
        available_editors+=("$editor_real" "$editor (current)")
      elif [[ $LD_EDITOR == "$editor_real" ]];
      then
        available_editors+=("$editor_real" "$editor (LD choice)")
      else
        available_editors+=("$editor_real" "$editor")
      fi
    fi
  done

  if [[ $override == 0 ]] && [[ ! -z $@ ]];
  then
    text="$@"
    dialog --msgbox "$text" 0 0
  elif [[ $override == 1 ]];
  then
    text="You have passed '-g'. Your choice of dialog will override any other choice or setting of 'EDITOR'."
    dialog --msgbox "$text" 0 0
  fi

  # Present all choices
  choice=$(dialog --output-fd 1 --clear --title "Select Text Editor" \
                  --menu "Choose one of the installed text editors:" 15 100 6 \
                  "${available_editors[@]}")
  dialog_ret=$?

  if [ $dialog_ret -ne 0 ];
  then
    dialog --msgbox "No editor selected. Variables will not be updated." 0 0
    return 0
  fi

  [[ $override == 0 ]] && echo export EDITOR="${EDITOR:-$choice}" > "$LD_EDITORFILE"
  [[ $override == 1 ]] && echo export EDITOR="$choice" > "$LD_EDITORFILE"
  echo export LD_EDITOR="$choice" >> "$LD_EDITORFILE"
  echo export LD_OLD_EDITOR="$EDITOR" >> "$LD_EDITORFILE"

  source "$LD_EDITORFILE"
}

function ldrc
{
  ARG=$1
  SOURCE="$LD_SOURCE_FILE"
  [[ "$ARG" == "-e" ]] && SOURCE="$LD_ESOURCEFILE"

  daisy editor "$SOURCE"
  LD_INTERNAL=0 source "$SOURCE"
}

# Saves a bit on typing
function grab
{
  [[ -z $@ ]] && return;
  awk '{print $'$1'}'
}

function clip
{
  data=""

  if [ ! -t 0 ]; then
    data="$(cat)"
  elif [ "$*" != "" ]; then
    data="$*"
  else
    echo $LD_CLIP
    return 0
  fi

  # Export the variable
  export LD_CLIP="$data"
  echo "Variable set to \"$LD_CLIP\"."
}

# Aliases for front-facing daisy commands
function _daisy_def_alias
{
  # Map underscores in name to spaces in command if needed
  local cmd=$(echo $1 | tr '_' ' ')
  alias ld_$1="daisy $cmd"
  alias daisy_$1="daisy $cmd"
}

_daisy_def_alias reload
_daisy_def_alias enc
_daisy_def_alias enc_multi
_daisy_def_alias enc_folder
_daisy_def_alias dec
_daisy_def_alias dec_multi
_daisy_def_alias alias
_daisy_def_alias unalias
_daisy_def_alias backup
_daisy_def_alias clear
_daisy_def_alias restore
_daisy_def_alias combine
_daisy_def_alias help
_daisy_def_alias list

_daisy_source_configs

###############################################################################
# check for dependencies @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
###############################################################################
if [[ $new_install -eq 1 ]];
then
  daisy check
fi

###############################################################################
# end of FUNCTIONS and ALIASES ################################################
###############################################################################

source "/etc/lackadaisical/daisy.command.source"

###############################################################################
# Autocomplete for `daisy` command ############################################
###############################################################################

# End of user section!
export LD_AVAILABLE=1

[ -d "$LD_FOLDER" ] && export LD_AVAILABLE=1