#!/bin/bash

PROJECT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
readonly PROJECT_DIR 2>/dev/null
source "$PROJECT_DIR/utils.sh"

set -euo pipefail

ENV_LIST=(
	"EMAIL" "HOSTNAME"
	"TELEGRAM_TOKEN" "TELEGRAM_CHAT_ID"
	"AWS" "ENDPOINT" "AWS_ACCESS_KEY_ID" "AWS_SECRET_ACCESS_KEY"
	"GITHUB_AUTH_SECRET"
)

readonly REQ=(
	"curl"
	"docker"
	"crontab"
	"ps"
	"top"
	"free"
	"pgrep"
	"pkill"
	"uptime"
)

function check_root() {
	if [[ $EUID -ne 0 ]]; then
		log_error "The script needs to run as root."
		exit 1
	fi
}

function check_dependencies() {
	log_info "Checking system dependencies..."
	for cmd in "${REQ[@]}"; do
		if ! command -pv "$cmd" &>/dev/null; then
			log_error "${cmd} is not installed."
			exit 1
		else
			log_success "${cmd} is installed."
		fi
	done
}

function install_scripts() {
	log_info "Installing scripts..."
	for script in "$PROJECT_DIR"/*.sh; do
		[ -e "$script" ] || continue

		if [[ "$script" == "$(realpath "$0")" ]]; then
			continue
		fi

		log_info "Configuring $(basename "$script")..."
		if ! bash "$script" --install; then
			log_error "Hook failed for $script"
		fi
	done
}

function main() {
	clear
	echo -e "${YELLOW}${PROJECT_NAME} Installation${NC}"

	check_root
	check_dependencies

	log_info "Creating directories and files..."
	touch "$ENV_FILE"

	for env in "${ENV_LIST[@]}"; do
		read -sp "Enter value for $env: " value
		echo
		env_variable "$env" "$value"
	done

	install_scripts

	log_success "Installation Complete"
}

if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
	main "$@"
fi