#!/usr/bin/env bash

set -e

# Avoid dependency on locale
LC_ALL=C

# Normalize output directory
if [ -n "$OUTPUT_DIR" ]; then
    OUTPUT_DIR=$(realpath -m "$OUTPUT_DIR")
fi

CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
cd "$CUR_DIR"

ROOT_DIR=$(readlink -f "$(git rev-parse --show-cdup)")

PKG_ROOT='root'

DEB_ARCH=${DEB_ARCH:-amd64}
OUTPUT_DIR=${OUTPUT_DIR:-$ROOT_DIR}
[ -d "${OUTPUT_DIR}" ] || mkdir -p "${OUTPUT_DIR}"
SANITIZER=${SANITIZER:-""}
SOURCE=${SOURCE:-$PKG_ROOT}

HELP="${0} [--test] [--rpm] [-h|--help]
  --test - adds '+test' prefix to version
  --apk - build APK packages
  --archlinux - build archlinux packages
  --rpm - build RPM packages
  --tgz - build tarball package
  --deb - build deb package
  --help - show this help and exit

Used envs:
  DEB_ARCH='${DEB_ARCH}'
  OUTPUT_DIR='${OUTPUT_DIR}' - where the artifact will be placed
  SANITIZER='${SANITIZER}' - if any sanitizer is used, affects version string
  SOURCE='${SOURCE}' - directory with sources tree
  VERSION_STRING='${VERSION_STRING}' - the package version to overwrite
"

if [ -z "${VERSION_STRING}" ]; then
    # Get CLICKHOUSE_VERSION_STRING from the current git repo
    eval "$("$ROOT_DIR/tests/ci/version_helper.py" -e)"
else
    CLICKHOUSE_VERSION_STRING=${VERSION_STRING}
fi
export CLICKHOUSE_VERSION_STRING


while [[ $1 == --* ]]
do
    case "$1" in
        --test )
            VERSION_POSTFIX+='+test'
            shift ;;
        --deb )
            MAKE_DEB=1
            shift ;;
        --apk )
            MAKE_APK=1
            shift ;;
        --archlinux )
            MAKE_ARCHLINUX=1
            shift ;;
        --rpm )
            MAKE_RPM=1
            shift ;;
        --tgz )
            MAKE_TGZ=1
            shift ;;
        --help )
            echo "$HELP"
            exit ;;
        * )
            echo "Unknown option $1"
            exit 2 ;;
    esac
done

function deb2tgz {
    local FILE PKG_NAME PKG_DIR PKG_PATH TARBALL
    FILE=$1
    PKG_NAME=${FILE##*/}; PKG_NAME=${PKG_NAME%%_*}
    PKG_DIR="$PKG_NAME-$CLICKHOUSE_VERSION_STRING"
    PKG_PATH="$OUTPUT_DIR/$PKG_DIR"
    TARBALL="$OUTPUT_DIR/$PKG_DIR-$DEB_ARCH.tgz"
    rm -rf "$PKG_PATH"
    dpkg-deb -R "$FILE" "$PKG_PATH"
    mkdir -p "$PKG_PATH/install"
    cat > "$PKG_PATH/install/doinst.sh" << 'EOF'
#!/bin/sh
set -e

SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
for filepath in `find $SCRIPTPATH/.. -type f -or -type l | grep -v "\.\./install/"`; do
    destpath=${filepath##$SCRIPTPATH/..}
    mkdir -p $(dirname "$destpath")
    cp -r "$filepath" "$destpath"
done
EOF
    chmod +x "$PKG_PATH/install/doinst.sh"
    if [ -f "$PKG_PATH/DEBIAN/postinst" ]; then
        # we don't need debconf source in doinst in any case
        tail +2 "$PKG_PATH/DEBIAN/postinst" | grep -v debconf/confmodule >> "$PKG_PATH/install/doinst.sh"
    fi
    rm -rf "$PKG_PATH/DEBIAN"
    if [ -f "/usr/bin/pigz" ]; then
        tar --use-compress-program=pigz -cf "$TARBALL" -C "$OUTPUT_DIR" "$PKG_DIR"
    else
        tar -czf "$TARBALL" -C "$OUTPUT_DIR" "$PKG_DIR"
    fi

    sha512sum "$TARBALL" > "$TARBALL".sha512

    rm -r "$PKG_PATH"
}

# Build options
if [ -n "$SANITIZER" ]; then
    if [[ "$SANITIZER" == "address" ]]; then VERSION_POSTFIX+="+asan"
    elif [[ "$SANITIZER" == "thread" ]]; then VERSION_POSTFIX+="+tsan"
    elif [[ "$SANITIZER" == "memory" ]]; then VERSION_POSTFIX+="+msan"
    elif [[ "$SANITIZER" == "undefined" ]]; then VERSION_POSTFIX+="+ubsan"
    else
        echo "Unknown value of SANITIZER variable: $SANITIZER"
        exit 3
    fi
elif [[ $BUILD_TYPE == 'debug' ]]; then
    VERSION_POSTFIX+="+debug"
fi

if [[ "$PKG_ROOT" != "$SOURCE" ]]; then
    # packages are built only from PKG_SOURCE
    rm -rf "./$PKG_ROOT"
    ln -sf "$SOURCE" "$PKG_SOURCE"
fi

CLICKHOUSE_VERSION_STRING+=$VERSION_POSTFIX
echo -e "\nCurrent version is $CLICKHOUSE_VERSION_STRING"

for config in clickhouse*.yaml; do
    if [ -n "$MAKE_DEB" ] || [ -n "$MAKE_TGZ" ]; then
        echo "Building deb package for $config"

        # Preserve package path
        exec 9>&1
        PKG_PATH=$(nfpm package --target "$OUTPUT_DIR" --config "$config" --packager deb | tee /dev/fd/9)
        PKG_PATH=${PKG_PATH##*created package: }
        exec 9>&-
    fi

    if [ -n "$MAKE_APK" ]; then
      echo "Building apk package for $config"
      nfpm package --target "$OUTPUT_DIR" --config "$config" --packager apk
    fi
    if [ -n "$MAKE_ARCHLINUX" ]; then
      echo "Building archlinux package for $config"
      nfpm package --target "$OUTPUT_DIR" --config "$config" --packager archlinux
    fi
    if [ -n "$MAKE_RPM" ]; then
      echo "Building rpm package for $config"
      nfpm package --target "$OUTPUT_DIR" --config "$config" --packager rpm
    fi
    if [ -n "$MAKE_TGZ" ]; then
      echo "Building tarball for $config"
      deb2tgz "$PKG_PATH"
    fi
done

# vim: ts=4: sw=4: sts=4: expandtab