#!/usr/bin/env bash
#
# firebee_setup_script.sh
#
# Version : 0.01
# Author : Bernd Mueller <rgnr@riseup.net>

# define some colors. Looks nicer :)
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
RESET='\033[0m'

# make cursor blink and not blink. Not supported by MacOS
BLINK_ON="\e[?12h"
BLINK_OFF="\e[?12l"

# some definitions
INST_TEMP="./tmp"

fb_installer_usage() {
	# clear screen before output
	clear

	# welcome user and ask for lang. to install
	echo ""
	echo -e " ${RED}**${RESET} ${YELLOW}FireBee Setup Script${RESET} ${RED}**${RESET}"
	echo -e " ${YELLOW}==========================${RESET}"
	echo ""
	echo " This script will create a new setup for your FireBee."
	echo " When it's finished, you can copy the content of DEST/* to you CompactFlash-Card"
	echo ""
	echo " This script relies on a working internet connection. So make sure you have"
	echo " it working in first place."
	echo ""
	echo " What language do you want to install?"
	echo -e "${BLINK_ON}"
	read -p " Languages are: en, de, fr, es, it, nl, ru, cs : " LANG
	echo -e "${BLINK_OFF}"
	echo

	# give user a feedback which lang. is used
	if [[ ${LANG} == "" ]]; then
		echo "You didn't give any language. Going default with English"
	elif [ ${LANG} == "en" ]; then
		echo "Okay, using English"
	elif [[ ${LANG} == "de" ]]; then
		echo "Okay, using German"
	elif [[ ${LANG} == "fr" ]]; then
		echo "Okay, using French"
	elif [[ ${LANG} == "es" ]]; then
		echo "Okay, using Spanish"
	elif [[ ${LANG} == "it" ]]; then
		echo "Okay, using Italian"
	elif [[ ${LANG} == "nl" ]]; then
		echo "Okay, using Dutch"
	elif [[ ${LANG} == "ru" ]]; then
		echo "Okay, using Russian"
	elif [[ ${LANG} == "cs" ]]; then
		echo "Okay, using Czech"
	else
		echo -e "I'm sorry, Dave. I'm afraid I can't do \"${LANG}\"!"
	fi
}

fb_installer_test_mainloop() {
	fb_installer_check_tmp
}

fb_installer_check_tmp() {
	# check if there is a tmp dir to install and is it
	# writeable by user?

    # make dir if not exists
    if [ ! -d "$INST_TEMP" ]; then
        mkdir -p "$INST_TEMP"
        # check if mkdir was successful
        if [ $? -ne 0 ]; then
            echo "${RED}Error${RESET}: Could not create Install-Dir '${INST_TEMP}'!"
            return 1
        fi
    fi

    # check if it is writable
    if [ -w "$INST_TEMP" ]; then
        # check if the directory is not empty
        if [ "$(ls -A "$INST_TEMP")" ]; then
            rm -rf "${INST_TEMP:?}/"*
        fi
        fb_installer_check_bin
    else
        echo "${RED}Error${RESET}: '${INST_TEMP}' is not writeable!"
        return 1
    fi
}

fb_installer_check_bin() {
	# list of binaries we need as array
	bin_needed=("wget" "git" "cp" "rm" "mv" "sed" "cut" "grep" "unzip" "install")

	# Flag, 
	bin_avail=true

	# empty list for binaries who are not available
	missing_bin=()

	# check if binary is available
	for prog in "${bin_needed[@]}"; do
	    if which "$prog" &>/dev/null; then
	        # just continue, no output
	        continue
	    else
	        bin_avail=false
	        missing_bin+=("$prog")  # add missing binary to a list
	    fi
	done

	# when every binary is there, continue to download
	if ${bin_avail}; then
	    fb_installer_download
	else
	    echo -e "${RED}Error${RESET}: Missing ${missing_bin[@]}! Please install it first"
	    exit 1
	fi
}


fb_installer_download() {
	# first cd into INSTALL-DIR
	cd ${INST_TEMP}
	
	# clone setup repo
	echo "Cloning git repo"
	git clone https://codeberg.org/firebee/FireBee_Setup.git &>/dev/null

	# download latest freemint
	# download bootable mint build and decompress it
	wget https://tho-otto.de/snapshots/freemint/bootable/freemint-latest-col-firebee.zip &>/dev/null
	unzip -d freemint freemint-latest-col-firebee.zip &>/dev/null
	rm freemint-latest-col-firebee.zip &>/dev/null
}



fb_installer_install_mint() {
	echo "install mint"
}

fb_installer_hidden_gems() {
	# download a pre-packed nvdi, fvdi or both
	#
	# note: since we don't ship it by default,
	# this can be enabled by adding an argument
	# to the scriptname so it's kind of hidden
	# and will not packed when the arguments
	# are omitted
	echo "none"
}

fb_installer_usage
fb_installer_test_mainloop