#!/usr/bin/env bash

set -e

DEBUG=false
# set -x
# set -v


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

cd $BASE_DIR
. "${BASE_DIR}/driver-lib.bash"

start="$(date +%s)"

CONTAINER="dotbot_test"

system_check_docker () {
  if [[ ! "$(which docker)" ]]; then
    return 1
  fi
}

container_command_remove () {
  docker rm -f ${CONTAINER} > /dev/null 2>&1
}

container_command_run () {
  docker run \
  -v $PWD/../:/dotbot \
  -e USE_VAGRANT='false' \
  -e DEBUG="${DEBUG:-false}" \
  --name "${CONTAINER}" \
  -d "python:${1}" \
  tail -f /dev/null \
  > /dev/null 2>&1
}

container_execute () {
  docker exec $CONTAINER /bin/bash -c "${1}"
}

die() {
    >&2 echo $@
    >&2 echo "Aborting..."
    return 1
}

docker_start_container () {
  IMAGE_TAG="${1}"
  if [[ $(docker ps -q -f name=${CONTAINER}) ]]; then
      container_command_remove
  fi
  system_check_docker || die "Could not find docker binary"
  container_command_run "${IMAGE_TAG}" || die "Could not find python image with tag: ${IMAGE_TAG}"
}


while [[ $# > 1 ]]
do
    key="${1}"
    case $key in
        -v|--version)
            VERSION="${2}"
            shift && shift
            ;;
        *)
            # unknown option
            break
            ;;
    esac
done

initialize () {
    echo "Initializing"
    docker_start_container "${2}"
    tests_run=0
    tests_passed=0
    tests_failed=0
    tests_total="${1}"
    local plural="" && [ "${tests_total}" -gt 1 ] && plural="s"
    printf -- "Running %d test%s...\n\n" "${tests_total}" "${plural}"
}

run_test() {
    tests_run=$((tests_run + 1))
    printf '[%d/%d] (%s)\n' "${tests_run}" "${tests_total}" "${1}"
    docker_start_container "${2}"
    if container_execute "cd /dotbot/test/tests && bash ${1}" 2>/dev/null; then
        pass
    else
        fail
    fi
}

VERSION="${VERSION:-2.7.9}"

declare -a tests=()

if [ $# -eq 0 ]; then
    while read file; do
        tests+=("${file}")
    done < <(find ${BASE_DIR}/tests -type f -name '*.bash')
else
    tests=("$@")
fi

initialize "${#tests[@]}" "${VERSION}"


for file in "${tests[@]}"; do
    run_test "$(basename "${file}")" "${VERSION}"
done

container_command_remove

if report; then
    ret=0
else
    ret=1
fi

echo "(tests run in $(($(date +%s) - start)) seconds)"
exit ${ret}