#!/bin/bash

###
# Parses arguments and commands from shell
###

case "${1}" in
    exclude)
        shift
        cmd_exclude ${@}
    ;;

    init)
        shift
        cmd_init ${@}
    ;;

    deploy)
        shift
        TARGET="${1}"; shift
        imageidList=($(printf '%s\n' ${@} | sed 's/\(.*\)\..*/\1/'))
        cmd_deploy ${TARGET} ${imageidList[@]}
    ;;

    update)
        shift
        TARGET="${1}"; shift
        LAST_COMMIT="${TARGET}/${LAST_COMMIT}"
        NEW_COMMIT=$(git rev-parse HEAD)
        OLD_COMMIT=$(grep COMMIT "${LAST_COMMIT}" | cut -d'=' -f2)
        imageidList=($(sed 's/\(.*\)\..*/\1/' <<< $(git diff --name-only ${NEW_COMMIT} ${OLD_COMMIT}) | awk '!seen[$0]++' | grep SHA256))
        echo $LAST_COMMIT
        echo $NEW_COMMIT
        echo $OLD_COMMIT
        echo ${imageidList[@]}

        cmd_deploy ${TARGET} ${imageidList[@]}
        case $? in
            0)
                _msg ECHO "Update completed succesfully"
                sed -i "s/COMMIT=.*/COMMIT=${NEW_COMMIT}/" ${LAST_COMMIT}
            ;;

            1)
                _msg ECHO "Missing exclude, manifest or exclude file. Please make sure you init"
            ;;

            2)
                _msg ECHO "Update completed with errors. Please review and deploy problematic images manually."
                sed -i "s/COMMIT=.*/COMMIT=${NEW_COMMIT}/" ${LAST_COMMIT}
            ;;
        esac
esac