#!/bin/bash
######
# Generates dockerfiles
# It expects docker to be logged in to ECR (see aws-login)

set -e

VERBOSE=0

DIR=`dirname $(realpath "${BASH_SOURCE[0]}")`
OLDDIR=`pwd`
cd "$DIR"

source "$DIR/../config"
source "$DIR/libs.sh"

usage() {
    echo "Usage: $0 [-h] [-v] [-dub] [-i: input, default] -o: output " 1>&2; 
    echo "This script builds framework docker images, the following options are available:" 1>&2; 
    echo "  -h: This message" 1>&2; 
    echo "  Environment" 1>&2; 
    echo "     -l: Local" 1>&2; 
    echo "     -L: Local Live" 1>&2; 
    echo "     -s: Test" 1>&2; 
    echo "     -p: Production" 1>&2; 
    echo "  -i: Config Input File" 1>&2;
    echo "  -o: Output directory" 1>&2;
    echo "  -t: Project version, this will be used as base for the docker image tag (default: local)" 1>&2; 
    echo "  -v: Verbose" 1>&2; 
    exit 1;
}

STARTING_FILE=""
CFGFILE="$DIR/../config"
OUT_DIRECTORY=""
ENV_TYPE="local"

SELECTED_MODES=0

while getopts "i:o:t:hvlLsp" o; do
    case "${o}" in
        l)
            STARTING_FILE="$DIR/../cicd/docker-compose/local.yml"
            SELECTED_MODES+=1
            ;;
        L)
            STARTING_FILE="$DIR/../cicd/docker-compose/local-live.yml"
            SELECTED_MODES+=1
            ;;
        s)
            STARTING_FILE="$DIR/../cicd/docker-compose/deploy.yml"
            ENV_TYPE="test"
            SELECTED_MODES+=1
            ;;
        p)
            STARTING_FILE="$DIR/../cicd/docker-compose/deploy.yml"
            ENV_TYPE="production"
            SELECTED_MODES+=1
            ;;
        i)
            CFGFILE="${OLDDIR}/${OPTARG}"
            ;;
        o)
            OUT_DIRECTORY="${OPTARG}"
            ;;
        t)
            TAG=${OPTARG}
            ;;
        v)
            VERBOSE=1
            ;;
        h) 
            usage
            ;;
		*)
            printerr "Unsupported option ${o}"
			usage
			;;
    esac
done


if [[ $SELECTED_MODES -ne 1 ]]; then 
    printerr "Invalid mode"
    usage
fi

if [[ $OUT_DIRECTORY == "" ]]; then
    printerr "An output directory must be configured"
    usage
fi

cp -rT "$DIR/../cicd/environments" "$OUT_DIRECTORY/environments"

buildTemplate -f "$CFGFILE" -t "$STARTING_FILE" -o "$OUT_DIRECTORY/docker-compose.yml" --add TAG_NAME=$TAG --add ENVIRONMENT_TYPE=$ENV_TYPE