#!/usr/bin/env bash

set -eu

die() {
    echo >&2 "$@"
    exit 1
}

# shellcheck disable=SC1007
THIS_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
# shellcheck source=../.environment.sh
. "${THIS_DIR}/../.environment.sh"

check_bats_core() {
    if ! "${TEST_DIR}/lib/bats-core/bin/bats" --version >/dev/null 2>&1; then
        die "ERROR: the bats-* submodules are required. Please run 'git submodule init; git submodule update' and retry."
    fi
}

check_curl() {
    if ! command -v curl >/dev/null; then
        die "missing required program 'curl'"
    fi
}

check_python3() {
    if ! command -v python3 >/dev/null; then
        die "missing required program 'python3'"
    fi
}

check_jq() {
    if ! command -v jq >/dev/null; then
        die "Missing required program 'jq'"
    fi
}

check_base64() {
    if ! command -v base64 >/dev/null; then
        die "missing required program 'base64'"
    fi
}

check_pkill() {
    if ! command -v pkill >/dev/null; then
        die "missing required program 'pkill'"
    fi
}

check_daemonizer() {
    if ! command -v daemonize >/dev/null; then
        die "missing required program 'daemonize' (package 'daemonize' or 'https://github.com/bmc/daemonize')"
    fi
}

echo "Checking requirements..."

check_bats_core
check_curl
check_daemonizer
check_jq
check_base64
check_python3
check_pkill