#!/bin/bash

echo "Cleaning up..."
rm -rf sync
rm -rf components/sync
rm components/sync.gyp
git reset --hard origin/master

echo "Moving files within sync..."
cd sync/internal_api
# Move cc files back next to their headers.
git mv activation_context.cc base_node.cc base_transaction.cc change_record.cc delete_journal.cc http_bridge.cc http_bridge_network_resources.cc http_bridge_unittest.cc internal_components_factory_impl.cc model_type_connector.cc model_type_store_backend.cc model_type_store_backend_unittest.cc model_type_store_impl.cc model_type_store_impl_unittest.cc processor_entity_tracker.cc processor_entity_tracker_unittest.cc read_node.cc read_transaction.cc shared_model_type_processor.cc shared_model_type_processor_unittest.cc sync_db_util.cc sync_manager_factory.cc user_share.cc write_node.cc write_transaction.cc public
git mv events/* public/events
cd ..
git mv engine engine_impl
git mv sessions sessions_impl
git rm util/DEPS
git mv util/* base
git rm internal_api/public/base/DEPS
git mv internal_api/public/base/* base
git mv internal_api/public/util/* base
git mv internal_api/public/engine engine
git mv internal_api/public/sessions sessions
git mv internal_api/public/events engine/
git mv internal_api/public core
git mv internal_api core_impl
mkdir android/java/src/org/chromium/components
mkdir android/javatests/src/org/chromium/components
mkdir test/android/javatests/src/org/chromium/components
git mv android/java/src/org/chromium/sync android/java/src/org/chromium/components/sync
git mv android/javatests/src/org/chromium/sync android/javatests/src/org/chromium/components/sync
git mv test/android/javatests/src/org/chromium/sync test/android/javatests/src/org/chromium/components/sync

# replace performs a string replacement for all files in the repo under the
# current folder and is defined as:
#
#     git grep -l "$1" | xargs sed -i "s/$1/$2/g"

echo "Updating sync build files..."
replace "\"engine\/" "\"engine_impl\/"
replace "'engine\/" "'engine_impl\/"
replace "\"sessions\/" "\"sessions_impl\/"
replace "'sessions\/" "'sessions_impl\/"
replace "\"util\/" "\"base\/"
replace "'util\/" "'base\/"
# Fixes for the specifically moved cc files.
replace "internal_api\/activation_context.cc" "internal_api\/public\/activation_context.cc"
replace "internal_api\/base_node.cc" "internal_api\/public\/base_node.cc"
replace "internal_api\/base_transaction.cc" "internal_api\/public\/base_transaction.cc"
replace "internal_api\/change_record.cc" "internal_api\/public\/change_record.cc"
replace "internal_api\/delete_journal.cc" "internal_api\/public\/delete_journal.cc"
replace "internal_api\/events\/" "internal_api\/public\/events\/"
replace "internal_api\/http_bridge.cc" "internal_api\/public\/http_bridge.cc"
replace "internal_api\/http_bridge_network_resources.cc" "internal_api\/public\/http_bridge_network_resources.cc"
replace "internal_api\/http_bridge_unittest.cc" "internal_api\/public\/http_bridge_unittest.cc"
replace "internal_api\/internal_components_factory_impl.cc" "internal_api\/public\/internal_components_factory_impl.cc"
replace "internal_api\/model_type_connector.cc" "internal_api\/public\/model_type_connector.cc"
replace "internal_api\/model_type_store_backend.cc" "internal_api\/public\/model_type_store_backend.cc"
replace "internal_api\/model_type_store_backend_unittest.cc" "internal_api\/public\/model_type_store_backend_unittest.cc"
replace "internal_api\/model_type_store_impl.cc" "internal_api\/public\/model_type_store_impl.cc"
replace "internal_api\/model_type_store_impl_unittest.cc" "internal_api\/public\/model_type_store_impl_unittest.cc"
replace "internal_api\/processor_entity_tracker.cc" "internal_api\/public\/processor_entity_tracker.cc"
replace "internal_api\/processor_entity_tracker_unittest.cc" "internal_api\/public\/processor_entity_tracker_unittest.cc"
replace "internal_api\/read_node.cc" "internal_api\/public\/read_node.cc"
replace "internal_api\/read_transaction.cc" "internal_api\/public\/read_transaction.cc"
replace "internal_api\/shared_model_type_processor.cc" "internal_api\/public\/shared_model_type_processor.cc"
replace "internal_api\/shared_model_type_processor_unittest.cc" "internal_api\/public\/shared_model_type_processor_unittest.cc"
replace "internal_api\/sync_db_util.cc" "internal_api\/public\/sync_db_util.cc"
replace "internal_api\/sync_manager_factory.cc" "internal_api\/public\/sync_manager_factory.cc"
replace "internal_api\/user_share.cc" "internal_api\/public\/user_share.cc"
replace "internal_api\/write_node.cc" "internal_api\/public\/write_node.cc"
replace "internal_api\/write_transaction.cc" "internal_api\/public\/write_transaction.cc"

cd ..
echo "Moving sync to components..."
git mv sync components
git mv components/sync/sync.gyp components/sync.gyp

echo "Fixing strings repo-wide..."
# The moved sync.gyp file.
replace "sync\/sync\.gyp" "components\/sync\.gyp"
# Other sync references in gyp.
replace "\.\.\/sync\/" "\.\.\/components\/sync\/"
# All includes.
replace "include \"sync\/" "include \"components\/sync\/"
# DEPS files.
replace "\"+sync" "\"+components\/sync"
# Reorganized folders.
replace "components\/sync\/engine" "components\/sync\/engine_impl"
replace "components\/sync\/sessions" "components\/sync\/sessions_impl"
replace "components\/sync\/util" "components\/sync\/base"
replace "internal_api\/public\/base\/" "base\/"
replace "internal_api\/public\/engine" "engine"
replace "internal_api\/public\/events" "engine\/events"
replace "internal_api\/public\/sessions" "sessions"
replace "internal_api\/public\/util" "base"
replace "internal_api\/public" "core"
# Fix a couple things just within the sync folder.
cd components/sync
# gyp file fixes.
replace "'\.\.\/" "'\.\.\/\.\.\/"
# Any occurences of internal_api left must be core_impl, not core.
replace "internal_api" "core_impl"
cd ../..
# BUILD.gn fixes.
replace "\"\/\/sync" "\"\/\/components\/sync"
replace " \/\/sync" " \/\/components\/sync"
# Other misc stray references to things.
replace "test_support_sync_internal_api" "test_support_sync_core_impl"
replace "\/\/sync\/protocol" "\/\/components\/sync\/protocol"
replace "\"sync\/protocol" "\"components\/sync\/protocol"
replace "\"sync\/base" "\"components\/sync\/base"
replace "sync\/internal_api" "sync\/core_impl"
# Java fixes.
replace "org\.chromium\.sync" "org\.chromium\.components\.sync"
replace "org\/chromium\/sync" "org\/chromium\/components\/sync"
# This file should not be modified.
git co .git-blame-ignore-revs

echo "Fixing include guards..."
cd components/sync/core
replace "_INTERNAL_API_" "_CORE_"
replace "_PUBLIC_" "_"
cd ..
replace "SYNC_ENGINE_" "SYNC_ENGINE_IMPL_"
replace "SYNC_SESSIONS_" "SYNC_SESSIONS_IMPL_"
replace "SYNC_UTIL_" "SYNC_BASE_"
replace "INTERNAL_API_PUBLIC_BASE" "BASE"
replace "INTERNAL_API_PUBLIC_ENGINE" "ENGINE"
replace "INTERNAL_API_PUBLIC_EVENTS" "ENGINE_EVENTS"
replace "INTERNAL_API_PUBLIC_SESSIONS" "SESSIONS"
replace "INTERNAL_API_PUBLIC_UTIL" "BASE"
replace "_INTERNAL_API_" "_CORE_IMPL_"
replace "ifndef SYNC_" "ifndef COMPONENTS_SYNC_"
replace "define SYNC_" "define COMPONENTS_SYNC_"
replace "endif  \/\/ SYNC_" "endif  \/\/ COMPONENTS_SYNC_"
# Fix some macros that the above few lines mess up.
replace "COMPONENTS_SYNC_DATA_TYPE_HISTOGRAM" "SYNC_DATA_TYPE_HISTOGRAM"
replace "COMPONENTS_SYNC_FREQ_HISTOGRAM" "SYNC_FREQ_HISTOGRAM"
replace "COMPONENTS_SYNC_EXPORT" "SYNC_EXPORT"
replace "COMPONENTS_SYNC_PROTO_EXPORT" "SYNC_PROTO_EXPORT"
cd ../..

# sort_includes is a hacked version of cpplint/nitpick.py that sorts Java
# imports in addition to C++ includes. It mostly just sorts within blocks of
# includes, but can also insert newlines to create new blocks if it detects
# different types of include (e.g. C++ vs C system headers).
echo "Sorting includes..."
git diff --name-only --diff-filter=ACMR origin/master | xargs sort_includes --quiet

echo "Formatting..."
git cl format
# These two files get seriously messed up by git cl format.
git co components/sync/syncable/directory_backing_store.cc
git co components/sync/syncable/directory_backing_store_unittest.cc
git commit --all -m "Automated changes." > /dev/null

echo "Cherry-picking manual changes..."
# This commit contains DEP file fixes and the changes for the two above files.
git cherry-pick 39077d05

echo "Building..."
build_chrome

echo "Running presubmit checks..."
git cl presubmit