#!/usr/bin/env bash

set -eu

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

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


check_bats_core() {
    if ! "${TEST_DIR}/lib/bats-core/bin/bats" --version >/dev/null 2>&1; then
        die "ERROR: bats-core submodule is 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_nc() {
    if ! command -v nc >/dev/null; then
        die "missing required program 'nc' (package 'netcat-openbsd')"
    fi
}

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

check_yq() {
    # shellcheck disable=SC2016
    howto_install='You can install it with your favorite package manager (including snap) or with "go install github.com/mikefarah/yq/v4@latest" and add ~/go/bin to $PATH.'
    if ! command -v yq >/dev/null; then
        die "Missing required program 'yq'. ${howto_install}"
    fi
    if ! (yq --version | grep mikefarah >/dev/null); then
        die "yq exists but it's not the one we need (mikefarah/yq). ${howto_install}"
    fi
}

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

check_cfssl() {
    # shellcheck disable=SC2016
    howto_install='You can install it with "go install github.com/cloudflare/cfssl/cmd/cfssl@latest" and add ~/go/bin to $PATH.'
    if ! command -v cfssl >/dev/null; then
        die "Missing required program 'cfssl'. ${howto_install}"
    fi
}

check_cfssljson() {
    # shellcheck disable=SC2016
    howto_install='You can install it with "go install github.com/cloudflare/cfssl/cmd/cfssljson@latest" and add ~/go/bin to $PATH.'
    if ! command -v cfssljson >/dev/null; then
        die "Missing required program 'cfssljson'. ${howto_install}"
    fi
}

check_gocovmerge() {
    if ! command -v gocovmerge >/dev/null; then
        die "missing required program 'gocovmerge'. You can install it with \"go install github.com/wadey/gocovmerge@latest\""
    fi
}

check_bats_core
check_curl
check_daemonizer
check_cfssl
check_cfssljson
check_jq
check_nc
check_base64
check_python3
check_yq
if [[ -n "${TEST_COVERAGE}" ]]; then
    check_gocovmerge
fi