#!/bin/bash
# NEd: Note Editor (and your best friend!)
# Ned can edit and create notes in a folder you tell him to!
# Depends: fzf

# shellcheck disable=SC2068,SC2178,SC2128

# set default values if things are unset
NOTES_DIR="${NOTES_DIR:-"$HOME/Documents/college/current"}"
EDITOR="${EDITOR:-"nvim"}"

usage() {
   cat <<-EOF
		Usage:
		ned <verb>
		   new <folder> [note name]        create a new note in the matched class folder
		   edit [folder]                   search for and edit a text document in a folder
		   help                            print this message

		Notes:
		   Right now, only the first letter of each option is considered, so \`ned n\` and \`ned neww\` do the same thing
		   Folder and file names are globbed
		   Current repository path: $NOTES_DIR
	EOF
}

edit() {
   check_setup

   NOTE_PATH=("$NOTES_DIR/$2"*)
   NOTE_PATH="${NOTE_PATH[0]}"
   if ! [ -d "$NOTE_PATH" ]; then
      echo "No such directory: '$NOTE_PATH'"
      exit 1
   fi

   NOTE_NAME="$(cd "$NOTE_PATH" && fzf --height=10 --layout=reverse)" || exit
   "$EDITOR" "$NOTES_DIR/$NOTE_NAME"
}

new() {
   check_setup
   if [ -z "$3" ]; then
      NOTE_NAME="$(date +'%F').md"
   else
      NOTE_NAME="$3.md"
   fi

   NOTE_PATH=("$NOTES_DIR/$2"*/notes)
   NOTE_PATH="${NOTE_PATH[0]}"
   if ! [ -d "$NOTE_PATH" ]; then
      echo "No such directory: '$NOTE_PATH'"
      exit 1
   fi

   "$EDITOR" "$NOTE_PATH/$NOTE_NAME"
}

subshell() {
   echo 'entering subshell'
   zsh
}

check_setup() {
   # perform preliminary checks to make sure the script can run properly
   if ! [ -d "$NOTES_DIR" ]; then
      echo "Error: Notes directory ($NOTES_DIR) does not exist or is not a directory"
      exit 1
   fi
}

# Parse arguments (first character only)
case "${1:0:1}" in
   # help
   'h') usage;;
   # create and edit new note
   'n') new $@;;
   # edit an existing document or file
   'e') edit $@;;
   # me: edit ned (the file you are looking at)
   'm') "$EDITOR" "$(realpath "$0")";;
   *) echo "no such option";;
esac

# vim: et sw=3 ts=3