#!/bin/bash

# build
#
# This is a hook in the docker-chevereto repo by Tan Nguyen
# This is intended to be run locally, or via the automatic builder by Docker hub
# The script should be execute from the root of the project
# The list of versions of the image (ie. tag) which we wish to build is available in the file versions in the root of the project

echo "------ HOOK START - BUILD -------"

DOCKER_HUB_NAME=nmtan/chevereto
VERSION_LIST_FILE=versions
BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"`

function build_image(){
    if [ $#  -lt 1 ]; then
        # missing the damn tag
        return 0;
    fi

    tag_name="${1}"
    image_full_name="${DOCKER_HUB_NAME}:${tag_name}"
    case "${tag_name}" in
      latest)
        # Latest version - we do not need the version argument - latest version is defined in Dockerfile itself
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg CHEVERETO_VERSION="master" \
            -t "${image_full_name}" .
      ;;
      installer)
        # Latest version - we do not need the version argument - latest version is defined in Dockerfile itself
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            -f Dockerfile-installer \
            -t "${image_full_name}" .
      ;;
      1.3.*)
        # These versions support php 7.3
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg CHEVERETO_VERSION="${1}" \
            -t "${image_full_name}" .
      ;;
      1.2.*)
        # These versions support php 7.3
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg PHP_VERSION="7.3-apache" \
            --build-arg CHEVERETO_VERSION="${1}" \
            -t "${image_full_name}" .
      ;;
      1.1.*)
        # These versions support php 7.2
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg CHEVERETO_VERSION="${1}" \
            --build-arg PHP_VERSION="7.2-apache" \
            -t "${image_full_name}" .
        ;;
      1.0.1[0-3]|1.0.[6-9])
        # These versions support PHP 7.1
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg CHEVERETO_VERSION="${1}" \
            --build-arg PHP_VERSION="7.1.23-apache" \
            -t "${image_full_name}" .
        ;;
      *)
        # These versions support PHP below 7.1
        docker build --rm --build-arg BUILD_DATE="${BUILD_DATE}" \
            --build-arg CHEVERETO_VERSION="${1}" \
            --build-arg PHP_VERSION="7.0.32-apache" \
            -t "${image_full_name}" .
        ;;
    esac

    docker push "${image_full_name}"
}

while read -r tag; do
    echo "Building the image ${DOCKER_HUB_NAME}:${tag}"
    build_image "${tag}"
done < ${VERSION_LIST_FILE}

echo "------ HOOK END - BUILD -------"