#!/bin/bash
set -euo pipefail

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
MAIN_DIR=$(cd "${SCRIPT_DIR}/.." && pwd)

# FUNCTIONS
function title() {
    echo "----------------------------------------"
    # Center the text
    local text="$1"
    local line_length=40
    local text_length=${#text}
    local padding=$(( (line_length - text_length) / 2 ))
    printf "%*s%s%*s\n" $padding "" "$text" $padding ""
    echo "----------------------------------------"
}   

function die() {
    title "error: $1"
    exit 1
}

function wait_for_container {
    container_id="$1"
    container_name="$(docker inspect "${container_id}" --format '{{ .Name }}')"
    echo "Waiting for container: ${container_name} [${container_id}]"
    waiting_done="false"
    while [[ "${waiting_done}" != "true" ]]; do
        container_state="$(docker inspect "${container_id}" --format '{{ .State.Status }}')"
        if [[ "${container_state}" == "running" ]]; then
            health_status="$(docker inspect "${container_id}" --format '{{ .State.Health.Status }}')"
            echo "${container_name}: container_state=${container_state}, health_status=${health_status}"
            if [[ ${health_status} == "healthy" ]]; then
                waiting_done="true"
            fi
        else
            echo "${container_name}: container_state=${container_state}"
            health_status="${container_state}"
            waiting_done="true"
        fi
        sleep 1;
    done;
    [ "${health_status}" == "healthy" ]
}

#------------------------------------------------------------------------------------------------
# build the executable
title "Building amd64 executable"
"${MAIN_DIR}/build.sh" amd64

#------------------------------------------------------------------------------------------------
# build the docker image
title "Building docker image"
docker buildx build --no-cache --load -t simple-object-storage-test --platform linux/amd64 "${MAIN_DIR}"

#------------------------------------------------------------------------------------------------
# run the docker container
title "Running docker container"
export LOCALCONFIG="${SCRIPT_DIR}/sos_config.json"
export COMPOSE_FILE="${SCRIPT_DIR}/compose.yaml"

[ -f "${LOCALCONFIG}" ] || die "Config file not found: ${LOCALCONFIG}"
[ -f "${COMPOSE_FILE}" ] || die "Compose file not found: ${COMPOSE_FILE}"

#------------------------------------------------------------------------------------------------
title "Running tests"

PREV_DIR=$(pwd)
cd "${SCRIPT_DIR}"

docker stop sos-test || true
docker rm -v sos-test || true

LOCALCONFIG=${LOCALCONFIG} docker compose -f "${COMPOSE_FILE}" up -d

# wait until healthy.
if ! wait_for_container "sos-test"; then
    echo "----------------------------------------"
    echo "Container sos-test is not healthy"
    echo "----------------------------------------"
    docker logs sos-test
    die "Container sos-test is not healthy"
fi

# run the tests. Docker inside docker support!
docker exec -it sos-test ls /testing || true
docker exec -it sos-test /bin/bash -c "cd /testing && ./test.sh http://127.0.0.1:7703"
RESULT=$?

# clean up.
docker compose -f "${COMPOSE_FILE}" down
docker compose -f "${COMPOSE_FILE}" rm -v

cd "${PREV_DIR}"

exit $RESULT