#!/usr/bin/env bash

set -e

BASE_CONFIG="base"
CONFIG_SUFFIX=".yaml"

META_DIR="meta"
CONFIG_DIR="configs"
PROFILES_DIR="profiles"

DOTBOT_DIR="dotbot"
DOTBOT_BIN="bin/dotbot"

BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

declare -a CONFIGS

parse_configs() {
    # parses configs in file $1 and returns array of config names

    while IFS= read -r config; do

        if [[ -z "$config" || "$config" =~ ^# ]] ; then
            # skip comments and empty lines
            continue
        elif [[ "$config" =~ ^profile/ ]] ; then
            # allows for profile inclusion
            profile=$(echo "$config" | sed 's/^profile\///')
            parse_configs "$profile"
        else
            CONFIGS+=("$config")
        fi
    done < "${META_DIR}/${PROFILES_DIR}/$1"
}


cd "${BASE_DIR}"
git -C "${BASE_DIR}" submodule sync --quiet --recursive
git submodule update --init --recursive "${BASE_DIR}"

# parse initial profile
parse_configs "$1"

# cleanup at the end
CONFIGS+=("clean")

shift

for config in "${CONFIGS[@]}"; do
    echo -e "\nConfigure $config"
    # create temporary file
    configFile="$(mktemp)"
    suffix="-sudo"
    echo -e "$(<"${BASE_DIR}/${META_DIR}/${BASE_CONFIG}${CONFIG_SUFFIX}")\n$(<"${BASE_DIR}/${META_DIR}/${CONFIG_DIR}/${config%"$suffix"}${CONFIG_SUFFIX}")" > "$configFile"

    cmd=("${BASE_DIR}/${META_DIR}/${DOTBOT_DIR}/${DOTBOT_BIN}" -d "${BASE_DIR}" -c "$configFile")

    if [[ $config == *"sudo"* ]]; then
        cmd=(sudo "${cmd[@]}")
    fi

    "${cmd[@]}"
    rm -f "$configFile"
done

cd "${BASE_DIR}"