#!/bin/bash

SERVER_DIR="$(cd "${0%/*}" && echo $PWD)"
LEADERBOARD_ADDRESS_AND_PORT="127.0.0.1:8080"

# Usage:
#
# [DEBUGGER=<gdb|cgdb> [DOCKER=0] [REL=1] ./run
#
# Set DEBUGGER to cgdb or gdb to debug
# Set DOCKER=0 to run without docker (runs with docker by default)
# Set REL=1 to run release (runs debug by default)

prepare_content() {
    # Attempt putting test data in place
    if [ -f "${SERVER_DIR}/docker/wicontent/wi/index" ]; then
        return
    fi

    # Expand test data if it exists
    if [ -f "${SERVER_DIR}/testdata.tar.gz" ]; then
        echo Untaring testdata.tar.gz...
        tar -xf "${SERVER_DIR}/testdata.tar.gz" -C "${SERVER_DIR}/docker/wicontent"
        mv "${SERVER_DIR}/docker/wicontent/testdata" "${SERVER_DIR}/docker/wicontent/wi"
    else
        # Test data doesn't exist. Attempt download
        WICONTENT_URL="$(${SERVER_DIR}/docker/config WICONTENT_URL)"
        if [ ! -z "${WICONTENT_URL}" ]; then
            echo Attempting download of wicontent.tar.gz...
            local ETAG=$(curl -s -D - "${WICONTENT_URL}" -o "${SERVER_DIR}/docker/wicontent/wicontent.tar.gz" | grep ETag | cut -d: -f2 | cut -d\" -f2)
            if [ ! -z "${ETAG}" ]; then
                echo -n "${ETAG}" > "${SERVER_DIR}/docker/wicontent/wicontent.tar.gz-etag"
                tar -xf "${SERVER_DIR}/docker/wicontent/wicontent.tar.gz" -C "${SERVER_DIR}/docker/wicontent"
            fi
        fi
    fi

    if [ ! -f "${SERVER_DIR}/docker/wicontent/wi/index" ]; then
        echo "Mission pack info missing ${SERVER_DIR}/docker/wicontent"
        exit 1
    fi
}

run_with_docker() {
    # Ensure control-c goes to docker, not this script
    set -m

    # Use wi_build because it has debuggers in it. wi_build contains app data and images
    # because the entire wi tree gets mapped in.
    TAG_VERSION="$(${SERVER_DIR}/docker/image_version wi_build)"
    IMAGE="$(${SERVER_DIR}/docker/config REGISTRY_PREFIX)/wi_build"
    AUTH_PREFIX="$(${SERVER_DIR}/docker/config AUTH_PREFIX)"

    # Debugger
    if [ ! -z "$DEBUGGER" ]; then
        DEBUGGER="--debugger ${DEBUGGER}"
    fi

    # Run
    echo Build: ${BUILD_TYPE}, image: ${IMAGE}:${TAG_VERSION}
    ${AUTH_PREFIX} docker -- run -it --rm -p 22221:22221 -v "${SERVER_DIR}/docker/entrypoint":/entrypoint -v "$(dirname "${SERVER_DIR}")":/wi ${IMAGE}:${TAG_VERSION} /entrypoint runwis ${DEBUGGER} --build_type ${BUILD_TYPE} --public_ip 127.0.0.1 --public_listen_port 22221 --instance_name "My Instance Name" --image_tag "My Image Tag" --wicontent_url "${WICONTENT_URL}" --args --server_id 50 --server_name "My Server" --server_location "My Office" --server_type "production" --listen_address 0.0.0.0 --listen_port 22221 --stats_address "${LEADERBOARD_ADDRESS_AND_PORT}" --checksync
}

run_without_docker() {
    # Debugger
    if [ ! -z "$DEBUGGER" ]; then
        DEBUGGER="${DEBUGGER} --args"
    fi

    ${DEBUGGER} ${BUILD_TYPE}/wis --listen_address 127.0.0.1:22221 --server_id 0 --missionpack_dir docker/wicontent/wi --htdata ../game/htdata832.pdb --stats_address "${LEADERBOARD_ADDRESS_AND_PORT}" --stats_path /api/addgamestats --server_info_path /api/serverinfo --server_name Icarus --server_location "Seattle WA" --server_type beta --server_info_extra "{\"foo\":\"bar\"}" --server_info_expires 60 --checksync --max_players 2000
}

if [ "${REL}" == "1" ]; then
    BUILD_TYPE=release
else
    BUILD_TYPE=debug
fi

prepare_content

if [ "${DOCKER}" == "0" ]; then
    run_without_docker
else
    run_with_docker
fi