#!/usr/bin/env bash

BLUE='\033[38;5;45m'
PURPLE='\033[38;5;127m'
GOLD='\033[38;5;178m'
RED='\033[38;5;196m'
NC='\033[0m'
BOLD='\033[1m'
BFR='\r\033[K'

msg_info() {
  local msg="$1"
  echo -e "  ${BLUE}ℹ️  ${msg}${NC}"
  log_msg "[INFO] $msg"
}

msg_ok() {
  local msg="$1"
  echo -e "  ${GOLD}✅ ${msg}${NC}"
  log_msg "[OK] $msg"
}

msg_error() {
  local msg="$1"
  echo -e "  ${RED}❌ ${msg}${NC}" >&2
  log_msg "[ERROR] $msg"
}

msg_warn() {
  local msg="$1"
  echo -e "  ${PURPLE}⚠️  ${msg}${NC}" >&2
  log_msg "[WARN] $msg"
}

get_active_logfile() {
  local app_designation=$(echo "${APP:-system}" | tr '[:upper:]' '[:lower:]' | tr -d ' ')
  if [[ -n "${_HOST_LOGFILE:-}" ]]; then
    echo "$_HOST_LOGFILE"
  elif [[ -n "${INSTALL_LOG:-}" ]]; then
    echo "$INSTALL_LOG"
  else
    echo "/tmp/INSTALL_LOG_${app_designation}.log"
  fi
}

strip_ansi() {
  if [[ $# -gt 0 ]]; then
    echo -e "$*" | sed 's/\x1b\[[0-9;]*m//g; s/\x1b\[[0-9;]*[a-zA-Z]//g'
  else
    sed 's/\x1b\[[0-9;]*m//g; s/\x1b\[[0-9;]*[a-zA-Z]//g'
  fi
}

log_msg() {
  local msg="$*"
  local logfile=$(get_active_logfile)
  [[ -z "$msg" || -z "$logfile" ]] && return
  mkdir -p "$(dirname "$logfile")" 2>/dev/null || true
  local clean_msg=$(strip_ansi "$msg")
  echo "[$(date '+%Y-%m-%d %H:%M:%S')] $clean_msg" >>"$logfile"
}

manifest_provision() {
  local logfile=$(get_active_logfile)
  local _restore_errexit=false
  [[ "$-" == *e* ]] && _restore_errexit=true
  set +Eeuo pipefail
  trap - ERR
  "$@" 2>&1 | tee -a "$logfile"
  local rc=${PIPESTATUS[0]}
  if $_restore_errexit; then
    set -Eeuo pipefail
    trap 'error_handler' ERR
  fi
  return "$rc"
}

network_check() {
  msg_info "Verifying Internet Availability (1.1.1.1 / 1.0.0.1)..."
  if ping -c 1 -W 2 1.1.1.1 &>/dev/null || ping -c 1 -W 2 1.0.0.1 &>/dev/null; then
    msg_ok "Network OK."
  else
    msg_error "Network Unreachable. Provision Aborted."
    exit 1
  fi
}

github_api_check() {
  msg_info "Checking Github API Token..."
  local api_response=$(curl -s https://api.github.com/rate_limit)
  local remaining=$(echo "$api_response" | grep -A 2 '"core"' | grep '"remaining"' | tr -dc '0-9')
  if [[ -n "$remaining" ]]; then
    msg_ok "Github: Tokens Remaining: ${GOLD}${remaining}${NC}"
  else
    msg_warn "Github: Limit Unreadable. Proceeding with caution."
  fi
}

apt_update_safe() {
  msg_info "Refreshing Repositories"
  if ! manifest_provision apt-get update; then
    msg_warn "Partial repository refresh. Proceeding with caution."
  else
    msg_ok "Repositories Refreshed"
  fi
}

header_info() {
  clear
  local app_name="${1:-$APP}"
  local ascii_url="https://git.dynastyrevolution.com/DYNR/core/raw/branch/main/core/ascii-art/${app_name,,}"
  echo -e "${PURPLE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
  if curl -fsSL --connect-timeout 1 "$ascii_url" &>/dev/null; then
    echo -e "${GOLD}$(curl -fsSL "$ascii_url")${NC}"
  else
    echo -e "               ${GOLD}${BOLD}DYNASTY REVOLUTION OS${NC}"
  fi
  echo -e "   ${PURPLE}Install provided by the courtesy of Dynasty Revolution${NC}"
  echo -e "${PURPLE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
  [[ -n "$app_name" ]] && echo -e "  ${BLUE}Task:${NC} Deployment of ${GOLD}${app_name}${NC}"
  [[ -n "$app_name" ]] && echo -e "${PURPLE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
  echo ""
}

exit_script() {
  local logfile=$(get_active_logfile)
  echo -e "\n${GOLD}🐉Provision Complete.${NC}"
  echo -e "${BLUE}Log Location:${NC} ${GOLD}${logfile}${NC}"
  exit 0
}

parse_dev_mode() {
  for arg in "$@"; do
    if [[ "$arg" == "--dev" ]] || [[ "$arg" == "-v" ]] || [[ "$arg" == "--verbose" ]]; then
      export DEV_MODE_LOGS="true"
    fi
  done
}

pve_check() { command -v pveversion >/dev/null 2>&1 || exit 1; }
shell_check() { [[ -n "$BASH_VERSION" ]] || exit 1; }
root_check() { [[ "$EUID" -eq 0 ]] || exit 1; }
arch_check() { [[ "$(uname -m)" == "x86_64" ]] || exit 1; }
load_functions() { :; }