#!/bin/bash

## SOME COLOR
CYN="\e[0;36m"
YEL="\e[0;33m"
RED="\e[0;31m"
GRN="\e[0;32m"
CRS="\e[0m"

### DEPENDENCY CHECK & INSTALLER

pkgs="openssl nginx"

echo -e "\n${CYN}  Dependency and Privilege Check running...${CRS}\n"

if (( $(id -u) == 0 )); then
    echo -e "${GRN}    Privilege check passed...${CRS}\n"

else 
    echo -e "${RED}    Privilege check failed... Please run script with sudo or as root!${CRS}\n"
    exit 1
fi

if command -v "$pkgs" >/dev/null 2>&1; then
    echo -e "${GRN}    Dependency check passed...${CRS}\n"
    
else
    echo -e "${YEL}    Dependencies not met.${CRS}\n"
        
    while true; do
        read -p "  Do you wish to install via APT? (Y/n) : " install

        if [[ "$install" = "" || "$install" = "y" || "$install" = "Y" ]]; then
            sudo apt update && sudo apt install --install-suggests -y $pkgs --simulate  ## DEV
            echo -e "\n${GRN}Dependencies installed. Proceeding...${CRS}\n"
            break 

        elif [[ "$install" == "n" || "$install" = "N" ]]; then
            echo -e "\n${RED}    Missing dependencies... Exiting!${CRS}\n"
            exit 1

        else
            echo -e "\n${YEL}    Invalid response... Try again...\n\n  Y = (Yes, install dependencies and continue)\n  N = (No, don't install dependencies and exit)${CRS}\n "
        fi
    done
fi

### NGINX SETUP

#### CERTIFICATION

while true; do
        read -p "  Enable SSL and create self signed cetrificate? (Y/n) : " installSSL
        if [[ "$installSSL" = "" || "$installSSL" = "y" || "$installSSL" = "Y" ]]; then
            read -p "  Enter path to certificates folder (Will be created if not present) : " cert_path
            read -p "  Enter file name for certificates (Without file ending) : " cert_name
            sudo mkdir -p "$cert_path"
            echo "Folder created" ## DEV
            sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout "$cert_path"/"$cert_name".key -out "$cert_path"/"$cert_name".crt
            echo -e "\n${GRN}    Nginx configured${CRS}\n"
            break
        elif [[ "$installSSL" == "n" || "$installSSL" = "N" ]]; then
            echo -e "\n${RED}    No SSL in nginx configured${CRS}\n"
        else
            echo -e "\n${YEL}    Invalid response... Try again...\n\nY = (Yes, configure SSL certificate and continue)\nN = (No, don't configure SSL certificate and continue)${CRS}\n "
        fi
    done

### DEV STATUS

echo -e "${GRN}\nScript ran through...${CRS}"