#!/usr/bin/env bash
#
# Copyright (c) .NET Foundation and contributors. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
# Debian Packaging Script
# Currently Intended to build on ubuntu14.04

set -e

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ "$SOURCE" != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

source "$DIR/../common/_common.sh"

if [ "$UNAME" != "Linux" ]; then
    error "Debian Package build only supported on Linux"
    exit 1
fi

PACKAGING_ROOT=$REPOROOT/packaging/debian

OUTPUT_DIR="$REPOROOT/artifacts"
PACKAGE_LAYOUT_DIR="$OUTPUT_DIR/deb_intermediate"
PACKAGE_OUTPUT_DIR="$OUTPUT_DIR/packages/debian"
TEST_STAGE_DIR="$PACKAGE_OUTPUT_DIR/test"
REPO_BINARIES_DIR="$REPOROOT/artifacts/ubuntu.14.04-x64/stage2"
MANPAGE_DIR="$REPOROOT/Documentation/manpages"

execute_build(){
    create_empty_debian_layout
    copy_files_to_debian_layout
    create_debian_package
}

execute_test(){
    test_debian_package
}

create_empty_debian_layout(){
    header "Creating empty debian package layout"

    rm -rf $PACKAGE_LAYOUT_DIR
    mkdir -p $PACKAGE_LAYOUT_DIR

    mkdir "$PACKAGE_LAYOUT_DIR/\$"
    mkdir "$PACKAGE_LAYOUT_DIR/package_root"
    mkdir "$PACKAGE_LAYOUT_DIR/samples"
    mkdir "$PACKAGE_LAYOUT_DIR/docs"
}

copy_files_to_debian_layout(){
    header "Copying files to debian layout"

    # Copy Built Binaries
    cp -a "$REPO_BINARIES_DIR/." "$PACKAGE_LAYOUT_DIR/package_root"

    # Copy config file
    cp "$PACKAGING_ROOT/debian_config.json" "$PACKAGE_LAYOUT_DIR"

    # Copy Manpages
    cp -a "$MANPAGE_DIR/." "$PACKAGE_LAYOUT_DIR/docs"
}

create_debian_package(){
    header "Packing .deb"

    mkdir -p $PACKAGE_OUTPUT_DIR

    $PACKAGING_ROOT/package_tool/package_tool $PACKAGE_LAYOUT_DIR $PACKAGE_OUTPUT_DIR $DOTNET_BUILD_VERSION
}

test_debian_package(){
    header "Testing debian package"

    rm -rf $TEST_STAGE_DIR
    git clone https://github.com/sstephenson/bats.git $TEST_STAGE_DIR
    
    $TEST_STAGE_DIR/bin/bats $PACKAGE_OUTPUT_DIR/test_package.bats

    # E2E Testing of package surface area
    # Disabled: https://github.com/dotnet/cli/issues/381
    #run_e2e_test
}

run_e2e_test(){
    set +e    
    sudo dpkg -i $DEBIAN_FILE
    $REPOROOT/scripts/test/e2e-test.sh
    result=$?
    sudo dpkg -r dotnet
    set -e
    
    return result
}

execute_build

DEBIAN_FILE=$(find $PACKAGE_OUTPUT_DIR -iname "*.deb")

execute_test

# Publish
$REPOROOT/scripts/publish/publish.sh $DEBIAN_FILE