#!/bin/bash

set -o xtrace
set -o errexit

[ -f .fuel-default ] && source .fuel-default
BINDIR=$(dirname `readlink -e $0`)
source "${BINDIR}"/build-functions.sh

main () {
    set_default_params
    [ -n "$GERRIT_BRANCH" ] && SOURCE_BRANCH=$GERRIT_BRANCH && SOURCE_REFSPEC=$GERRIT_REFSPEC
    [ -n "$GERRIT_PROJECT" ] && SRC_PROJECT=$GERRIT_PROJECT
    PACKAGENAME=${SRC_PROJECT##*/}

    # If we are triggered from gerrit env, let's keep current workflow,
    # and fetch code from upstream
    # otherwise let's define custom path to already prepared source code
    # using $CUSTOM_SRC_PATH variable
    if [ -n "${GERRIT_BRANCH}" ]; then
        # Get package tree from gerrit
        fetch_upstream
        local _srcpath="${MYOUTDIR}/${PACKAGENAME}-src"
    else
        local _srcpath="${CUSTOM_SRC_PATH}"
    fi

    local _specpath="${_srcpath}/specs"

    # Get last commit info
    # $message $author $email $cdate $commitsha $lastgitlog
    get_last_commit_info ${_srcpath}
    local gitsrcsha=$(git -C ${_srcpath} log -n 1 --pretty=format:%H)
    local gitsrcprj=$(git -C ${_srcpath} remote -v | head -n 1 | awk '{print $2}' | awk -F '/' '{print $NF}' | sed 's|.git$||' )

    # Update specs
    local specfile=`find $_specpath -name *.spec`
    local version=`rpm -q --specfile $specfile --queryformat '%{VERSION}\n' | head -1`
    local release=`rpm -q --specfile $specfile --queryformat '%{RELEASE}\n' | head -1`
    local srcpackagename=${specfile##*/}
    srcpackagename=${srcpackagename%.spec}
    ## Add changelog section if it doesn't exist
    [ `cat ${specfile} | grep -c '^%changelog'` -eq 0 ] && echo "%changelog" >> ${specfile}
    local _rev=`git -C $_srcpath rev-list --no-merges origin/${SOURCE_BRANCH} | wc -l`
    # if gitshasrc is not defined (we are not using fetch_upstream), let's do it
    [ -n "${gitshasrc}" ] || local gitshasrc=$(git -C $_srcpath log -1 --pretty="%h")
    [ "$GERRIT_CHANGE_STATUS" == "NEW" ] && _rev=$(( $_rev + 1 ))
    [ "$IS_HOTFIX" == "true" ] \
        && _rev=$(get_extra_revision hotfix ${_srcpath})
    if [ "$GERRIT_CHANGE_STATUS" == "NEW" ] ; then
        local OVERRIDE_PKG_REVISION=${OVERRIDE_PKG_REVISION:-1}
        local release="${OVERRIDE_PKG_REVISION}.mos${_rev}.git.${gitshasrc}"
    else
        local release="1.mos${_rev}"
    fi
    local TAR_NAME=${PACKAGENAME}-${version}.tar.gz
    # Update version and changelog
    sed -i "s|Version:.*$|Version: ${version}|" $specfile
    sed -i "s|Release:.*$|Release: ${release}|" $specfile
    sed -i "s|Source0:.*$|Source0: ${TAR_NAME}|" $specfile
    ## Update changelog
    local firstline=1
    if [ ! -z "$lastgitlog" ]; then
        sed -i "/%changelog/i%newchangelog" ${specfile}
        echo "$lastgitlog" | while read LINE; do
            local commitid=`echo "$LINE" | cut -d'|' -f1`
            local email=`echo "$LINE" | cut -d'|' -f2`
            local author=`echo "$LINE" | cut -d'|' -f3`
            # Get current date to avoid wrong chronological order in %changelog section
            local date=`LC_TIME=C date +"%a %b %d %Y"`
            local subject=`echo "$LINE" | cut -d'|' -f4`
            [ $firstline == 1 ] && sed -i "/%changelog/i\* $date $author \<${email}\> \- ${version}-${release}" ${specfile}
            sed -i "/%changelog/i\- $commitid $subject" ${specfile}
            firstline=0
        done
    fi
    sed -i '/%changelog/i\\' ${specfile}
    sed -i '/^%changelog/d' ${specfile}
    sed -i 's|^%newchangelog|%changelog|' ${specfile}
    cp ${specfile} ${BUILDDIR}/

    # Prepare source tarball
    pushd $_srcpath &>/dev/null
    git archive --format tar --worktree-attributes HEAD > ${BUILDDIR}/${PACKAGENAME}.tar
    git rev-parse HEAD > ${BUILDDIR}/version.txt
    pushd $BUILDDIR &>/dev/null
    tar -rf ${PACKAGENAME}.tar version.txt
    gzip -9 ${PACKAGENAME}.tar
    mv ${PACKAGENAME}.tar.gz ${PACKAGENAME}-${version}.tar.gz
    [ -f version.txt ] && rm -f version.txt
    popd &>/dev/null
    popd &>/dev/null

    # Build stage
    local REQUEST=$REQUEST_NUM
    [ -n "$LP_BUG" ] && REQUEST=$LP_BUG

    RPM_HOTFIX_REPO_PATH=${RPM_HOTFIX_REPO_PATH:-${RPM_OS_REPO_PATH%/*}/hotfix}
    [ -n "${EXTRAREPO}" ] && EXTRAREPO="${EXTRAREPO}|"
    EXTRAREPO="${EXTRAREPO}repo1,http://${REMOTE_REPO_HOST}/${RPM_OS_REPO_PATH}/x86_64"

    case true in
        "$IS_HOTFIX" )
            EXTRAREPO="${EXTRAREPO}|repo2,http://${REMOTE_REPO_HOST}/${RPM_HOTFIX_REPO_PATH}/x86_64"
            EXTRAREPO="${EXTRAREPO}|repo3,http://${REMOTE_REPO_HOST}/${RPM_UPDATES_REPO_PATH}/x86_64"
            EXTRAREPO="${EXTRAREPO}|repo4,http://${REMOTE_REPO_HOST}/${RPM_SECURITY_REPO_PATH}/x86_64"
            ;;
        "$IS_SECURITY" )
            EXTRAREPO="${EXTRAREPO}|repo2,http://${REMOTE_REPO_HOST}/${RPM_UPDATES_REPO_PATH}/x86_64"
            EXTRAREPO="${EXTRAREPO}|repo3,http://${REMOTE_REPO_HOST}/${RPM_SECURITY_REPO_PATH}/x86_64"
            ;;
        "$IS_UPDATES" )
            EXTRAREPO="${EXTRAREPO}|repo2,http://${REMOTE_REPO_HOST}/${RPM_PROPOSED_REPO_PATH}/x86_64"
            EXTRAREPO="${EXTRAREPO}|repo3,http://${REMOTE_REPO_HOST}/${RPM_UPDATES_REPO_PATH}/x86_64"
            EXTRAREPO="${EXTRAREPO}|repo4,http://${REMOTE_REPO_HOST}/${RPM_SECURITY_REPO_PATH}/x86_64"
            ;;
    esac

    if [ "$GERRIT_CHANGE_STATUS" == "NEW" ] && [ -n "$LP_BUG" -o -n "$CUSTOM_REPO_ID" ] ; then
        local REMOTE_REQUEST_REPO_HOST=${REMOTE_REQUEST_REPO_HOST:-$REMOTE_REPO_HOST}
        local RPM_REQUEST_HOTFIX_REPO_PATH=${RPM_REQUEST_HOTFIX_REPO_PATH:-$RPM_HOTFIX_REPO_PATH}
        local RPM_REQUEST_SECURITY_REPO_PATH=${RPM_REQUEST_SECURITY_REPO_PATH:-$RPM_SECURITY_REPO_PATH}
        local RPM_REQUEST_PROPOSED_REPO_PATH=${RPM_REQUEST_PROPOSED_REPO_PATH:-$RPM_PROPOSED_REPO_PATH}
        local RPM_REQUEST_OS_REPO_PATH=${RPM_REQUEST_OS_REPO_PATH:-$RPM_OS_REPO_PATH}
        case true in
            "$IS_HOTFIX" )
                local RPM_REQUEST_REPO_PATH=$RPM_REQUEST_HOTFIX_REPO_PATH
                ;;
            "$IS_SECURITY" )
                local RPM_REQUEST_REPO_PATH=$RPM_REQUEST_SECURITY_REPO_PATH
                ;;
            "$IS_UPDATES" )
                local RPM_REQUEST_REPO_PATH=$RPM_REQUEST_PROPOSED_REPO_PATH
                ;;
            * )
                local RPM_REQUEST_REPO_PATH=$RPM_REQUEST_OS_REPO_PATH
                ;;
        esac
        EXTRAREPO="${EXTRAREPO}|repo5,http://${REMOTE_REQUEST_REPO_HOST}/${REPO_REQUEST_PATH_PREFIX}/${REQUEST}/${RPM_REQUEST_REPO_PATH}/x86_64"
    fi

    export EXTRAREPO

    if [ -n "$EXTRAREPO" ] ; then
        local EXTRAPARAMS=""
        local OLDIFS="$IFS"
        IFS='|'
        for repo in $EXTRAREPO; do
          IFS="$OLDIFS"
          [ -n "$repo" ] && EXTRAPARAMS="${EXTRAPARAMS} --repository ${repo#*,}"
          IFS='|'
        done
        IFS="$OLDIFS"
    fi

    local tmpdir=$(mktemp -d ${PKG_DIR}/build-XXXXXXXX)
    echo "BUILD_SUCCEEDED=false" > ${WRKDIR}/buildresult.params
    bash -c "${WRKDIR}/build \
          --verbose \
          --no-keep-chroot \
          --dist ${DIST} \
          --build \
          --source $BUILDDIR \
          --output $tmpdir \
          ${EXTRAPARAMS}"
    local exitstatus=$(cat ${tmpdir}/exitstatus || echo 1)
    [ -f "${tmpdir}/build.log" ] && mv "${tmpdir}/build.log" "${WRKDIR}/buildlog.txt"
    [ -f "${tmpdir}/root.log" ] && mv "${tmpdir}/root.log" "${WRKDIR}/rootlog.txt"

    fill_buildresult $exitstatus 0 $PACKAGENAME RPM
    if [ "$exitstatus" == "0" ] && [ -n "${GERRIT_BRANCH}" ]; then
        rm -f ${WRKDIR}/buildresult.params
        cat >${WRKDIR}/buildresult.params<<-EOL
			BUILD_HOST=`hostname -f`
			PKG_PATH=$tmpdir
			GERRIT_CHANGE_STATUS=$GERRIT_CHANGE_STATUS
			REQUEST_NUM=$REQUEST_NUM
			LP_BUG=$LP_BUG
			IS_HOTFIX=$IS_HOTFIX
			IS_SECURITY=$IS_SECURITY
			EXTRAREPO="$EXTRAREPO"
			REPO_TYPE=rpm
			DIST=$DIST
		EOL
        # Fill yaml file
        yaml_report_file=${tmpdir}/${srcpackagename}.yaml
        local srpmfile=$(find ${tmpdir}/ -name *.src.rpm)
        local newrelease=`rpm -qp $srpmfile --queryformat %{RELEASE}"\n" | head -1`
        echo "Source: ${srcpackagename}" > $yaml_report_file
        echo "Version: ${version}-${newrelease}" >> $yaml_report_file
        echo "Binary:" >> $yaml_report_file
        for binary in $(find ${tmpdir}/ -name *.rpm | egrep -v '\.src\.rpm$') ; do
            _binary=${binary##*/}
            _binary=${_binary%-*}
            _binary=${_binary%-*}
            echo "  - ${_binary}" >> $yaml_report_file
        done
        echo "Build_time: $(date '+%F-%H-%M-%S')" >> $yaml_report_file
        echo "Code_project:" >> $yaml_report_file
        echo "  ${gitsrcprj}: ${gitsrcsha}" >> $yaml_report_file
    fi
    echo "Packages: $PACKAGENAME"

    exit $exitstatus
}

main $@

exit 0