#!/bin/sh

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

# Just to let the system know what we're doing...
ALCHEMY=$(pwd)

# 'sourcing' a script is essentially running it to set up your system,
# making sure that some basic values / variables are defined
. ingredients/lead

clear
say "${BLUE}"
say "       d8888 888          888                                     " 
say "      d88888 888          888                                     " 
say "     d88P888 888          888                                     " 
say "    d88P 888 888  .d8888b 88888b.   .d88b.  88888b.d88b.  888  888" 
say "   d88P  888 888 d88P'    888 '88b d8P  Y8b 888 '888 '88b 888  888" 
say "  d88P   888 888 888      888  888 88888888 888  888  888 888  888" 
say " d8888888888 888 Y88b.    888  888 Y8b.     888  888  888 Y88b 888" 
say "d88P     888 888  'Y8888P 888  888  'Y8888  888  888  888  'Y88888" 
say "                                                               888" 
say "                  ${BOLD}Initialization Script -- BMA${BLUE}            Y8b d88P" 
say "${RESET}"

say "${GREEN}${ULINE}Environment${RESET}"
if [ -s .env ]; then
    grep -v '^#' .env
    export $(grep -v '^#' .env | xargs)
else
    say "No .env file found, let's initialize it"
    say "ALCHEMY=${ALCHEMY}" > "${ALCHEMY}/.env"
fi

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

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

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

# TODO - Update intermittently (like if you haven't run it in a week? use date +%s and (($INT+$INT2))
if [ -z "$UPDATED" ]; then
    say ""
    say "Updating the repositories..."
    say "(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")
            brew update
            ;;
    esac
    remember "UPDATED=true"
fi

say ""
say "${GREEN}${ULINE}Core Dependencies${RESET}"
install_if_needed git wget make

say ""
say "${BOLD}You're good to go!${RESET} Go ${BLUE}make something cool${RESET} :)"
say ""