#!/usr/bin/env bash

set -e

CONFIG_SUFFIX=".conf.yaml"

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

BASEDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROFILES_FILE="${BASEDIR}/.profiles"

cd "${BASEDIR}"
git submodule update --init --recursive "${DOTBOT_DIR}"

load_config() {
    config="$1"
    if [ -f "${config}" ]; then
        "${BASEDIR}/${DOTBOT_DIR}/${DOTBOT_BIN}" -d "${BASEDIR}" -c "${config}"
    else
        echo "Skipping nonexistent file: ${config}"
    fi
}

OS_NAME="$(uname -s | tr '[:upper:]' '[:lower:]')"

if [ "$#" -gt 0 ]; then
    profiles=("${@}")
elif [ -f "${PROFILES_FILE}" ]; then
    # MacOS bash 3.2 doesn't have mapfile.  Workaround from
    # http://mywiki.wooledge.org/BashFAQ/005#Loading_lines_from_a_file_or_stream
    unset profiles
    while IFS= read -r; do
        profiles+=("$REPLY")
    done < "${PROFILES_FILE}"
    [[ $REPLY ]] && profiles+=("$REPLY")
else
    profiles=()
fi

for conf in "${OS_NAME}" "${profiles[@]}" default; do
    echo "Applying config: ${conf}"
    load_config "${conf}${CONFIG_SUFFIX}"
done

printf "%s\n" "${profiles[@]}" > "${PROFILES_FILE}"