#!/usr/bin/env bash
set -eu
set -o pipefail
set -o errtrace
shopt -s expand_aliases
[ "$(uname)" == "Darwin" ] && alias readlink="greadlink" || :

SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
TFW_PATH="${TFW_PATH:-$SCRIPT_DIR/../..}"

BASEIMAGE_REPO="${BASEIMAGE_REPO:-baseimage-tutorial-framework}"
CHALLENGE_REPO="${CHALLENGE_REPO:-"$(basename "$(realpath "${SCRIPT_DIR}/..")")"}"
FRONTEND_REPO="${FRONTEND_REPO:-frontend-tutorial-framework}"

BASEIMAGE_PATH="${TFW_PATH}/${BASEIMAGE_REPO}"
CHALLENGE_PATH="${TFW_PATH}/${CHALLENGE_REPO}"
FRONTEND_PATH="${TFW_PATH}/${FRONTEND_REPO}"

source "${SCRIPT_DIR}/libhack/baseimage.sh"
source "${SCRIPT_DIR}/libhack/challenge.sh"
source "${SCRIPT_DIR}/libhack/frontend.sh"


start_challenge_and_frontend() {
    trap 'exit' INT TERM
    trap 'kill 0' EXIT
    [[ "${RUN_FRONTEND:-1}" == "1" ]] && frontend::run &
    [[ "${BUILD:-1}" == "1" ]] && challenge::build
    challenge::run $@
    wait
}

case ${1:-} in
    start)
        baseimage::build_if_exists
        BUILD=1 RUN_FRONTEND=1 start_challenge_and_frontend ${@:2}
    ;;
    run)
        BUILD=0 RUN_FRONTEND=1 start_challenge_and_frontend ${@:2}
    ;;
    startcontainer)
        baseimage::build_if_exists
        BUILD=1 RUN_FRONTEND=0 start_challenge_and_frontend ${@:2}
    ;;
    runcontainer)
        BUILD=0 RUN_FRONTEND=0 start_challenge_and_frontend ${@:2}
    ;;
    runfrontend)
        frontend::run
    ;;
    buildtfw)
        baseimage::build_if_exists
    ;;
    build)
        baseimage::build_if_exists
        challenge::build
    ;;
    buildwithfrontend)
        baseimage::build_if_exists
        challenge::build_with_frontend
    ;;
    releasetfw)
        if [[ -d "$BASEIMAGE_PATH" ]]; then
            baseimage::release
        fi
    ;;
    builddocs)
        if [[ -d "$BASEIMAGE_PATH" ]]; then
            baseimage::builddocs
        fi
    ;;
    *)
        echo "Usage: tfw.sh [COMMAND]"
        echo "          |--- start:             build & run TFW challenge and Angular frontend"
        echo "          |--- run:               run TFW challenge and Angular frontend"
        echo "          |--- startcontainer:    build & run TFW challenge, container only"
        echo "          |--- runcontainer:      run TFW challenge, container only"
        echo "          |--- buildtfw:          build TFW baseimage"
        echo "          |--- build:             build TFW baseimage and challenge"
        echo "          |--- buildwithfrontend: build TFW baseimage and challenge, include frontend in image"
        echo "          |--- releasetfw:        tag TFW baseimage and push to upstream"
        echo "          |--- builddocs:         build baseimage documentation (in docs/build/html)"
    ;;
esac