#!/usr/bin/env bash

# ─< ANSI color codes >───────────────────────────────────────────────────────────────────
RED='\033[0;31m'
CYAN='\033[0;36m'
YELLOW='\033[0;33m'
LIGHT_GREEN='\033[0;92m'
BOLD='\033[1m'
NC='\033[0m' # No Color

echo_error() {
  printf "${BOLD}${RED}ERROR: ${NC}${RED}%s${NC}\n" "$1" >&2
}

echo_info() {
  printf "${BOLD}${CYAN}INFO: ${NC}${CYAN}%s${NC}\n" "$1"
}

echo_warning() {
  printf "${BOLD}${YELLOW}WARNING: ${NC}${YELLOW}%s${NC}\n" "$1"
}

echo_note() {
  printf "${BOLD}${LIGHT_GREEN}NOTE: ${NC}${LIGHT_GREEN}%s${NC}\n" "$1"
}

# ─< Check if the given command exists silently >─────────────────────────────────────────
command_exists() {
  command -v "$@" >/dev/null 2>&1
}

# ─< Check if the user is root and set sudo variable if necessary >───────────────────────
check_root() {
  if [ "$(id -u)" -ne 0 ]; then
    if command_exists sudo; then
      echo_info "User is not root. Using sudo for privileged operations."
      _sudo="sudo"
    else
      echo_error "No sudo found and you're not root! Can't install packages."
      return 1
    fi
  else
    echo_info "Root access confirmed."
    _sudo=""
  fi
}

if ! command_exists git; then
  echo_error "Some dependencies are missing!"
  exit 1
fi

clone() {
  local cloneDir="/opt/shell-color-scripts"
  if [ ! -d "$cloneDir" ]; then
    git clone --depth=1 https://github.com/charitarthchugh/shell-color-scripts "$cloneDir"
  fi
}

link() {
  if [ -d "$HOME/.local/bin" ]; then
    ln -sfr /opt/shell-color-scripts/colorscript.sh "$HOME/.local/bin/colorscript"
  else
    if check_root; then
      $_sudo ln -sfr /opt/shell-color-scripts/colorscript.sh /bin/colorscript
    else
      echo_warning "cloned the project to /opt/ but was not able to link the script to the bin directory!"
    fi
  fi
}

if clone; then
  link
fi