#!/bin/bash -xe

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

PROJECT=$1
BRANCH=$2
# Replace /'s in the branch name with -'s because Zanata does not
# allow /'s in version names.
ZANATA_VERSION=${BRANCH//\//-}

source /usr/local/jenkins/slave_scripts/common_translation_update.sh

# Propose updates for manuals
function propose_manuals {

    # Pull updated translations from Zanata.
    pull_from_zanata "$PROJECT"

    # Compress downloaded po files
    # Only touch glossary in openstack-manuals but not in any other
    # repository.
    case "$PROJECT" in
        openstack-manuals)
            compress_manual_po_files "doc" 1
            ;;
        api-site)
            compress_manual_po_files "api-ref-guides" 0
            compress_manual_po_files "api-quick-start" 0
            compress_manual_po_files "api-ref" 0
            compress_manual_po_files "openstack-firstapp" 0
            ;;
        ha-guide|operations-guide)
            compress_manual_po_files "doc" 0
            ;;
        security-doc)
            compress_manual_po_files "security-guide" 0
            ;;
    esac

    # Add imported upstream translations to git
    for FILE in ${DocFolder}/*; do
        DOCNAME=${FILE#${DocFolder}/}
        if [ -d ${DocFolder}/${DOCNAME}/locale ] ; then
            git add ${DocFolder}/${DOCNAME}/locale/*
        fi
        if [ -d ${DocFolder}/${DOCNAME}/source/locale ] ; then
            git add ${DocFolder}/${DOCNAME}/source/locale/*
        fi
    done
}

# Propose updates for training-guides
function propose_training_guides {

    # Pull updated translations from Zanata.
    pull_from_zanata "$PROJECT"

    # Compress downloaded po files
    compress_po_files "doc/upstream-training"

    # Add all changed files to git
    git add doc/upstream-training/source/locale/*
}

function update_po_files {

    DIRECTORY=$1

    # Update existing translation files with extracted messages.
    PO_FILES=$(find ${DIRECTORY}/locale -name "${PROJECT}.po")
    if [ -n "$PO_FILES" ]; then
        # Use updated .pot file to update translations
        python setup.py  $QUIET update_catalog \
            --no-fuzzy-matching --ignore-obsolete=true
    fi
}

# Propose updates for python projects
function propose_python {

    # Pull updated translations from Zanata
    pull_from_zanata "$PROJECT"

    # Extract all messages from project, including log messages.
    extract_messages
    extract_messages_log "$PROJECT"

    update_po_files "$PROJECT"
    # We cannot run update_catalog for the log files, since there is no
    # option to specify the keyword and thus an update_catalog run would
    # add the messages with the default keywords. Therefore use msgmerge
    # directly.
    for level in $LEVELS ; do
        PO_FILES=$(find ${PROJECT}/locale -name "${PROJECT}-log-${level}.po")
        if [ -n "$PO_FILES" ]; then
            for f in $PO_FILES ; do
                echo "Updating $f"
                msgmerge --update --no-fuzzy-matching $f \
                    --backup=none \
                    ${PROJECT}/locale/${PROJECT}-log-${level}.pot
                # Remove obsolete entries
                msgattrib --no-obsolete --force-po \
                    --output-file=${f}.tmp ${f}
                mv ${f}.tmp ${f}
            done
        fi
    done

    # Now add all changed files to git.
    # Note we add them here to not have to differentiate in the functions
    # between new files and files already under git control.
    git add $PROJECT/locale/*

    # Remove obsolete files.
    cleanup_po_files "$PROJECT"

    # Compress downloaded po files, this needs to be done after
    # cleanup_po_files since that function needs to have information the
    # number of untranslated strings.
    compress_po_files "$PROJECT"

    # Some files were changed, add changed files again to git, so that we
    # can run git diff properly.
    git add $PROJECT/locale/*
}

function propose_horizon {

    # Pull updated translations from Zanata.
    pull_from_zanata "$PROJECT"

    # Invoke run_tests.sh to update the po files
    # Or else, "../manage.py makemessages" can be used.
    ./run_tests.sh --makemessages -V

    # Compress downloaded po files
    compress_po_files "horizon"
    compress_po_files "openstack_dashboard"

    # Add all changed files to git
    git add horizon/locale/* openstack_dashboard/locale/*
}

function propose_django_openstack_auth {

    # Pull updated translations from Zanata.
    pull_from_zanata "$PROJECT"

    # Update the .pot file
    extract_messages

    update_po_files "openstack_auth"

    # Compress downloaded po files
    compress_po_files "openstack_auth"

    # Add all changed files to git
    git add openstack_auth/locale/*
}

function propose_magnum_ui {

    # Pull updated translations from Zanata.
    pull_from_zanata "$PROJECT"

    # Invoke run_tests.sh to update the po files
    # Or else, "../manage.py makemessages" can be used.
    ./run_tests.sh --makemessages -V

    # Compress downloaded po files
    compress_po_files "magnum_ui"

    # Add all changed files to git
    git add magnum_ui/locale/*
}

# Setup git repository for git review.
setup_git

# Check whether a review already exists, setup review commit message.
setup_review "$BRANCH"

case "$PROJECT" in
    api-site|ha-guide|openstack-manuals|operations-guide|security-doc)
        init_manuals "$PROJECT"
        setup_manuals "$PROJECT" "$ZANATA_VERSION"
        propose_manuals
        ;;
    training-guides)
        setup_training_guides "$ZANATA_VERSION"
        propose_training_guides
        ;;
    django_openstack_auth)
        setup_django_openstack_auth "$ZANATA_VERSION"
        propose_django_openstack_auth
        ;;
    horizon)
        setup_horizon "$ZANATA_VERSION"
        propose_horizon
        ;;
    magnum-ui)
        setup_magnum_ui "$ZANATA_VERSION"
        propose_magnum_ui
        ;;
    *)
        # Project specific setup.
        setup_project "$PROJECT" "$ZANATA_VERSION"
        # Setup some global vars which will be used in the rest of the
        # script.
        setup_loglevel_vars
        propose_python
        ;;
esac

# Filter out commits we do not want.
filter_commits

# Propose patch to gerrit if there are changes.
send_patch "$BRANCH"