#!/usr/bin/env bash

# This is the initialization script for Alchemy. We can't rely on all systems being able to use 'make' or other utilities by default.
# This will ensure that everything is set up as needed.
# Bare Metal Alchemist, 2022

# This runs the ingredients script as part of this one,
# making sure that some basic values / variables are defined
source scripts/ingredients

echo ""
echo -e "${GREEN}${ULINE}Environment${RESET}"
if [ -f .env ]; then
    grep -v '^#' .env
    export $(grep -v '^#' .env | xargs)
else
    echo "No .env file found, initializing"
    echo "ALCHEMY=true" > .env
fi

echo ""
echo -e "${GREEN}${ULINE}System Basics${RESET}"
if [[ $ISA && $DISTRO && $UPDATED ]]; then
    echo "Nothing to do!"
fi

if [[ ! $ISA ]]; then
    ISA=$(uname -m)
    if [ $ISA == 'x86_64' ]; then
        echo -e "Ayyy you got yourself an ${GREEN}x86${RESET} processor, cool"
    elif [ $ISA == 'armv7l' ]; then
        echo -e "I see you rockin an ${GREEN}ARM${RESET} processor, neato"
    fi
    echo "ISA=$ISA" >> .env
fi

if [[ ! $DISTRO ]]; then
    if [ -f "/etc/debian_version" ]; then
        DISTRO="debian"
        echo -e "${GREEN}Debian${RESET}, Ubuntu, or Raspbian OS detected."
    elif [ -f "/etc/arch-release" ]; then
        DISTRO="arch"
        echo -e "${GREEN}Arch or Manjaro-based${RESET} OS detected."
    elif [ -f "/etc/fedora-release" ]; then
        DISTRO="fedora"
        echo -e "${GREEN}Fedora${RESET} detected as the Operating System"
    elif [ $(uname | grep -c "Darwin") -eq 1 ]; then
        DISTRO="mac"
        echo -e "${GREEN}MacOS${RESET} detected."
    else
        echo -e "I don't know ${RED}what OS you're running${RESET}! Cancelling this operation."
        exit 1
    fi
    echo "DISTRO=$DISTRO" >> .env
fi

if [[ ! $UPDATED ]]; then
    echo ""
    echo "Updating the repositories..."
    echo -e "(you'll probably need to input ${BLUE}your 'sudo' password${RESET} here)"
    case $DISTRO in
        "debian")
            sudo apt update
            sudo apt autoremove
            sudo apt upgrade
            sudo apt install build-essential
            ;;
        "arch")
            sudo pacman -Syu --noconfirm
            sudo pacman -S base-devel --noconfirm
            ;;
        "fedora")
            sudo dnf update
            sudo dnf upgrade
            ;;
        "mac")
            install
            sudo brew update
            ;;
    esac
    echo "UPDATED=true" >> .env
fi

echo ""
echo -e "${GREEN}${ULINE}Core Dependencies${RESET}"
install_if_needed git wget