#!/usr/bin/env bash
#
set -euo pipefail
IFS=$'\n\t'
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

: ${SHELL:="NO"} # or YES to launch a shell instead of running the test
: ${TRACE:="NO"} # or YES to send traces to jaeger
: ${BACKTRACE:="NO"} # or YES to print a rust backtrace when panicking

cd "$DIR/../"
REALPATH=$(command -v uu-realpath || command -v realpath)
MAKE=$(command -v gmake || command -v make)

function main {
    local org_file="$($REALPATH "$1")"
    build_container
    launch_container "$org_file"
}

function build_container {
    $MAKE -C "$DIR/../docker/organic_test"
}

function launch_container {
    local org_file="$1"
    local additional_flags=()
    local additional_args=()

    local init_script=$(cat <<EOF
set -euo pipefail
IFS=\$'\n\t'

cargo run -- /input.org
EOF
          )

    if [ "$SHELL" != "YES" ]; then
        additional_args+=(sh -c "$init_script")
    else
        additional_flags+=(-i -t)
    fi

    if [ "$TRACE" = "YES" ]; then
        # We use the host network so it can talk to jaeger hosted at 127.0.0.1
        additional_flags+=(--network=host --env RUST_LOG=debug)
    fi

    if [ "$BACKTRACE" = "YES" ]; then
        additional_flags+=(--env RUST_BACKTRACE=full)
    fi

    docker run "${additional_flags[@]}" --rm -v "${org_file}:/input.org:ro" -v "$($REALPATH ./):/source:ro" --mount source=cargo-cache,target=/usr/local/cargo/registry --mount source=rust-cache,target=/target --env CARGO_TARGET_DIR=/target -w /source organic-test "${additional_args[@]}"
}

main "${@}"