#!/bin/bash

e_err() {
  echo -e "\e[1;31m$1\e[0m"
}

e_info() {
  echo -e "\e[1;34m$1\e[0m"
}

e_succ() {
  echo -e "\e[1;32m$1\e[0m"
}

e_warn() {
  echo -e "\e[1;38;5;208m$1\e[0m"
}

function fake_alias() {
  :
}

function next_line() {
  :
}

# FILL LINE FUNCTIONS
fill_line_with_string() {
  local string="$1"
  local length="$2"
  local fill="${3:- }"
  if [[ ${#fill} -eq 1 ]]; then
    beg_char=$fill
    end_char=$fill
  fi
  if [[ ${#fill} -eq 2 ]]; then
    beg_char="${fill:0:1}"
    end_char="${fill:1:1}"
  fi
  if [[ ${#fill} -gt 2 ]]; then
    beg_char="${fill:0:1}"
    end_char="${fill:0:1}"
  fi
  local padding=$(((length - ${#string} - 2) / 2))
  local beg
  beg=$(printf "%${padding}s" | tr ' ' "$beg_char")
  local end
  end=$(printf "%${padding}s" | tr ' ' "$end_char")
  printf "%s%s%s" "$beg" " $string " "$end"
  echo ""
}

fill_line() {
  local length="$1"
  local fill="$2"
  printf "%*s\n" "$length" "" | tr ' ' "$fill"
}

# ALIAS DESCRIPTIONS
line_length=59

get_alias_descriptions() {
  local file_path="$1"
  if [ -f "$file_path" ]; then
    echo ""
    echo "@ $file_path"
    local description=""
    while IFS= read -r line; do
      if [[ "$line" =~ ^### ]]; then
        fill_line_with_string "${line#'### '}" "$line_length" "-"
      elif [[ "$line" =~ ^# ]]; then
        description="${line#"# "}"
      elif [[ "$line" =~ ^(alias|fake_alias) ]]; then
        alias_name=$(printf "%10s" "$(echo "$line" | cut -d'=' -f1 | awk '{print $2}')")
        echo "$alias_name :: $description"
      elif [[ $line == "next_line" ]]; then
        printf "%*s%s\n" "14" "" "$description"
      else
        description=""
      fi
    done <"$file_path"
  fi
}

display_alias_descriptions() {
  echo ""
  fill_line_with_string "ALIASES DESCRIPTIONS" "$line_length" " "
  get_alias_descriptions "$ALIASES"/.aliases
  get_alias_descriptions "$ALIASES"/.git_aliases
  get_alias_descriptions "$ALIASES"/.docker_aliases
  get_alias_descriptions "$ALIASES"/.local_aliases
  get_alias_descriptions "$ALIASES"/.custom_aliases
  fill_line "$line_length" "-"
}

ea_help() {
  e_info "Usage: ea [c|l|h]"
  echo "Edit ~/.config/aliases/.aliases file when used without arguments"
  echo "Args: c :: edit ~/.config/aliases/.custom_aliases"
  echo "      l :: edit ~/.config/aliases/.local_aliases"
  echo "      f    edit ~/.config/aliases/.functions.sh"
  echo "      h :: print help"
}

edit_aliases() {
  if [ $# -eq 0 ]; then
    ${EDITOR:-nano} "$ALIASES"/.aliases
  elif [ $# -gt 1 ]; then
    e_err "Too many arguments!"
    ea_help
  else
    case "$1" in
    l) ${EDITOR:-nano} "$ALIASES"/.local_aliases ;;
    c) ${EDITOR:-nano} "$ALIASES"/.custom_aliases ;;
    f) ${EDITOR:-nano} "$ALIASES"/.functions.sh ;;
    h) ea_help ;;
    *) e_err "Invalid option!"; ea_help ;;
    esac
  fi
}

cd_to_file() {
  cwd=$(pwd)
  cd "${1:-.}" || return
  file=$(fzf --preview 'bat --color=always {}')
  if [ -z "$file" ]; then
    cd "$cwd" || return
  else
    cd "$(dirname "$file")" || return
  fi
}

mkdir_and_cd() {
  mkdir -p "$1" || e_err "Failed to create directory: $1"
  cd "$1" || e_err "Failed to navigate to directory: $1"
}