#!/bin/bash
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Name:         build.sh
# Author(s):    Thomas Belway
# Source:       https://gitea.belway.me/Public/foundryvtt_container.git
# Example:      ./build.sh -U $FOUNDRY_URL -I -v $VERSION
# Description:  Builds custom foundryvtt container and pushes to registry.
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

####################################################################
# Variables
####################################################################
# General Variables
REGISTRY="registry.belway.me"
REGISTRY_NAMESPACE="public/foundryvtt_container"

###############################################################################################################################
# Functions
###############################################################################################################################

# Informational Functions
usage() {
cat << EOF

usage: ${SCRIPT_NAME} [options]

This script exports data from one database to be compared with data from another database

OPTIONS:
    -D      Enable DEBUG mode
    -f      Custom Containerfile with absolute or relative directory
    -F      Format of containerfile
    -h      Show this message
    -I      Initialize the registry
    -n      Node version
    -R      For rebuild the image.
    -S      Scheduled build, should only be used by automation (gitea actions).
    -U      Foundry URL for downloading the version
    -v      Version to build, defaults to 'latest'
EOF
exit 1
}

get_parameters() {
    while getopts "Df:F:hIRSU:v:" option_name; do
        case "$option_name" in
            "D")
                DEBUG="YES"
                ;;
            "f")
                OPT_CONTAINERFILE="$OPTARG"
                ;;
            "F")
                OPT_FORMAT_TYPE="$OPTARG"
                ;;
            "h")
                usage
                ;;
            "I")
                INITIALIZE="TRUE"
                ;;
            "n")
                NODEJS_VERSION="$OPTARG"
                ;;
            "R")
                OPT_REBUILD="TRUE"
                ;;
            "S")
                OPT_SCHEDULED="TRUE"
                ;;
            "U")
                FOUNDRY_URL="$OPTARG"
                if [[ "$FOUNDRY_URL" != *"verify"* ]]; then
                    echo "Not a valid foundry URL, please use the TIMED URL option when at the Purchased LIcenses page on foundry website in your account."
                    exit 1
                fi
                ;;
            "v")
                OPT_VERSION="$OPTARG"
                ;;
            "?")
                echo "Error: Unknown option $OPTARG"
                usage
                ;;
            ":")
                echo "Error: No argument value for option $OPTARG"
                usage
                ;;
            *)
                echo "Error: Unknown error while processing options"
                usage
                ;;
        esac
    done

    if [[ -z $FOUNDRY_URL ]]; then
        echo "Need the foundry URL, please try again..."
        exit 1
    fi

    if [[ -z $OPT_CONTAINERFILE ]]; then
        OPT_CONTAINERFILE="Containerfile"
    fi

    if [[ -z $OPT_FORMAT_TYPE ]]; then
        OPT_FORMAT="--format docker"
    elif [[ $OPT_FORMAT_TYPE == "podman" ]]; then
        OPT_FORMAT=""
    else
        OPT_FORMAT="--format ${OPT_FORMAT_TYPE}"
    fi

    if [[ $DEBUG == "YES" ]]; then
        SILENCE_OUTPUT=""
	    SILENCE_STOUT=" "
        echo "Debug mode enabled."
    fi

    if [[ -z $OPT_REBUILD ]]; then
        OPT_REBUILD="FALSE"
    fi

    if [[ -z $OPT_SCHEDULED ]]; then
        OPT_SCHEDULED="FALSE"
    fi

    if [[ -z $OPT_VERSION ]]; then
        OPT_VERSION="12.331"
    fi

    if [[ "${OPT_SCHEDULED}" == "TRUE" ]]; then
        OPT_REBUILD="FALSE"
    fi

    if [[ -z $NODEJS_VERSION ]]; then
        NODEJS_VERSION=$(curl https://foundryvtt.com/article/installation/ | grep nodesource | grep rpm | tr -d -c 0-9)
    fi

TAG="$OPT_VERSION"

}

# Build Functions

container_initialize() {
    echo "Initializing container build..."
    podman login ${REGISTRY}
    podman build -f ${OPT_CONTAINERFILE} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:latest --build-arg foundry_url=${FOUNDRY_URL} --build-arg nodejs_version=${NODEJS_VERSION}
    podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG}
    podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:latest
    podman logout ${REGISTRY}
    echo "Container build initialized!"
}

container_scheduled_build() {
    echo "Scheduled build starting..."
    if [[ "${CADDY_IMAGE_VERSION}" != "${CUSTOM_CADDY_IMAGE_VERSION}" ]]; then
        podman login ${REGISTRY}
        podman build -f ${OPT_CONTAINERFILE} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:latest --build-arg foundry_url=${FOUNDRY_URL}
        podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG}
        podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:latest
        podman logout ${REGISTRY}
    else
        echo "No new version, exiting..."
        exit 1
    fi
    echo "Scheduled build complete!"
}

container_rebuild() {
    echo "Rebuilding container..."
    podman login ${REGISTRY}
    podman build -f ${OPT_CONTAINERFILE} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG} -t ${REGISTRY}/${REGISTRY_NAMESPACE}:latest --build-arg foundry_url=${FOUNDRY_URL}
    podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:${TAG}
    podman push ${REGISTRY}/${REGISTRY_NAMESPACE}:latest
    podman logout ${REGISTRY}
    echo "Rebuild complete!"
}

###############################################################################################################################
# Main Script
###############################################################################################################################
get_parameters "$@"

if [[ "$OPT_SCHEDULED" == "TRUE" ]]; then
    container_scheduled_build
fi

if [[ "$OPT_REBUILD" == "TRUE" ]]; then
    container_rebuild
fi

if [[ "$INITIALIZE" == "TRUE" ]]; then
    container_initialize
fi