# 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.

# ***************************************************
# WARNING! If you edit this file, also edit Makefile!
# ***************************************************

include version.mk

SHELL=cmd.exe
REBAR?=$(CURDIR)\bin\rebar.cmd
PYTHON=python.exe
ERLFMT?=$(CURDIR)\bin\erlfmt.cmd
MAKE=make -f Makefile.win
# REBAR?=$(shell where rebar.cmd)

# Handle the following scenarios:
#   1. When building from a tarball, use version.mk.
#   2. When building from a clean release tag (#.#.#), use that tag.
#   3. When building from a clean RC tag (#.#.#-RC#), use JUST the version
#      number inside the tarball, but use the full name for the name of the
#      tarball itself.
#   4. When not on a clean tag, use version.mk + git sha + dirty status.

COUCHDB_GIT_SHA=$(git_sha)

IN_RELEASE = $(shell if not exist .git echo true)

ifeq ($(IN_RELEASE), true)

# 1. Building from tarball, use version.mk.
COUCHDB_VERSION = $(vsn_major).$(vsn_minor).$(vsn_patch)

else

# Gather some additional information.
# We do it this way so we don't bake shell-isms into Makefile
# to make it easier to port to Windows. I know, I know. -jst
# IN_RC contains the -RCx suffix in the name if present
IN_RC = $(shell git describe --tags --always --first-parent \
        | grep -Eo -- '-RC[0-9]+' 2>nul)
# ON_TAG matches *ONLY* if we are on a release or RC tag
ON_TAG = $(shell git describe --tags --always --first-parent \
        | grep -Eo -- '^[0-9]+\.[0-9]\.[0-9]+(-RC[0-9]+)?$$' 2>nul)
# REL_TAG contains the #.#.# from git describe, which might be used
REL_TAG = $(shell git describe --tags --always --first-parent \
        | grep -Eo -- '^[0-9]+\.[0-9]\.[0-9]+' 2>nul)
# DIRTY identifies if we're not on a commit
DIRTY = $(shell git describe --dirty | grep -Eo -- '-dirty' 2>nul)
# COUCHDB_GIT_SHA is our current git hash.
COUCHDB_GIT_SHA=$(shell git rev-parse --short=7 --verify HEAD)

ifeq ($(ON_TAG),)
# 4. Not on a tag.
COUCHDB_VERSION_SUFFIX = $(COUCHDB_GIT_SHA)$(DIRTY)
COUCHDB_VERSION = $(vsn_major).$(vsn_minor).$(vsn_patch)-$(COUCHDB_VERSION_SUFFIX)
else
# 2 and 3. On a tag.
COUCHDB_VERSION = $(REL_TAG)$(DIRTY)
endif
endif

# needed to do text substitutions
comma:= ,
empty:=
space:= $(empty) $(empty)

DESTDIR=

# Rebar options
apps=
skip_deps=folsom,meck,mochiweb,triq,proper,snappy,bcrypt,hyper,ibrowse,local
suites=
tests=

# no sed on Windows (per default), but powershell
COMPILE_OPTS=$(shell powershell -command "('apps=${apps} ') -replace '[a-z_]+= ', ' '")
EUNIT_OPTS=$(shell powershell -command "('skip_deps=${skip_deps} suites=${suites} tests=${tests} ') -replace '[a-z]+= ', ' '")
DIALYZE_OPTS=$(shell powershell -command "('apps=${apps} skip_deps=${skip_deps} ') -replace '[a-z]+= ', ' '")

EXUNIT_OPTS=$(subst $(comma),$(space),$(tests))

TEST_OPTS=-c startup_jitter=0 -c default_security=admin_local

################################################################################
# Main commands
################################################################################


.PHONY: all
# target: all - Build everything
all: couch fauxton docs


.PHONY: help
# target: help - Print this help
help:
	@powershell -Command 'Select-String Makefile.win -Pattern "^# target: (?<name>.*) - (?<description>.*)" | ForEach-Object { ("{0,-22} - {1}" -f $$_.Matches[0].Groups["name"], $$_.Matches[0].Groups["description"]) } | Sort'


################################################################################
# Building
################################################################################


.PHONY: couch
# target: couch - Build CouchDB core, use ERL_COMPILER_OPTIONS to provide custom compiler's options
couch: config.erl
	@set COUCHDB_VERSION=$(COUCHDB_VERSION) && set COUCHDB_GIT_SHA=$(COUCHDB_GIT_SHA) && $(REBAR) compile $(COMPILE_OPTS)
	@copy src\couch\priv\couchjs.exe bin


.PHONY: docs
# target: docs - Build documentation
ifeq ($(IN_RELEASE), true)
docs: share\docs\html
else
docs: src\docs\build
endif

.PHONY: fauxton
# target: fauxton - Build Fauxton web UI
fauxton: share\www


################################################################################
# Testing
################################################################################


.PHONY: check
# target: check - Test everything
check: all
	@$(MAKE) eunit
	@$(MAKE) mango-test
	@$(MAKE) elixir-suite

ifdef apps
subdirs = $(apps)
else
subdirs=$(shell dir /b src)
endif

.PHONY: eunit
# target: eunit - Run EUnit tests, use EUNIT_OPTS to provide custom options
eunit: export BUILDDIR = $(shell echo %cd%)
eunit: export ERL_AFLAGS = $(shell echo "-config %cd%/rel/files/eunit.config")
eunit: export COUCHDB_QUERY_SERVER_JAVASCRIPT = $(shell echo %cd%)/bin/couchjs $(shell echo %cd%)/share/server/main.js
eunit: export COUCHDB_TEST_ADMIN_PARTY_OVERRIDE=1
eunit: couch
	@set COUCHDB_VERSION=$(COUCHDB_VERSION) && set COUCHDB_GIT_SHA=$(COUCHDB_GIT_SHA) && $(REBAR) setup_eunit 2> nul
	@cmd /c "FOR %d IN ($(subdirs)) DO set COUCHDB_VERSION=$(COUCHDB_VERSION) & set COUCHDB_GIT_SHA=$(COUCHDB_GIT_SHA) & $(REBAR) -r eunit $(EUNIT_OPTS) apps=%d || exit /b 1"

.PHONY: exunit
# target: exunit - Run ExUnit tests, use EXUNIT_OPTS to provide custom options
exunit: export BUILDDIR = $(shell echo %cd%)
exunit: export MIX_ENV=test
exunit: export ERL_LIBS = $(shell echo %cd%)\src
exunit: export ERL_AFLAGS = $(shell echo "-config %cd%/rel/files/eunit.config")
exunit: export COUCHDB_QUERY_SERVER_JAVASCRIPT = $(shell echo %cd%)/bin/couchjs $(shell echo %cd%)/share/server/main.js
exunit: couch elixir-init setup-eunit elixir-check-formatted elixir-credo
	@mix test --cover --trace $(EXUNIT_OPTS)

setup-eunit: export BUILDDIR = $(shell echo %cd%)
setup-eunit: export ERL_AFLAGS = $(shell echo "-config %cd%/rel/files/eunit.config")
setup-eunit:
	@$(REBAR) setup_eunit 2> nul

just-eunit: export BUILDDIR = $(shell echo %cd%)
just-eunit: export ERL_AFLAGS = $(shell echo "-config %cd%/rel/files/eunit.config")
just-eunit:
	@$(REBAR) -r eunit $(EUNIT_OPTS)

# target: erlfmt-check - Check Erlang source code formatting
erlfmt-check: export ERLFMT_PATH = $(ERLFMT)
erlfmt-check:
	@$(PYTHON) dev\format_check.py

# target: erlfmt-format - Apply Erlang source code format standards automatically
erlfmt-format: export ERLFMT_PATH = $(ERLFMT)
erlfmt-format:
	@$(PYTHON) dev\format_all.py

.venv/bin/black:
	@$(PYTHON) -m venv .venv
	@.venv\Scripts\pip3.exe install black || copy /b .venv\Scripts\black.exe +,,

# target: python-black - Check Python code formatting (requires Python >= 3.6)
python-black: .venv/bin/black
	@$(PYTHON) -c "import sys; exit(1 if sys.version_info < (3,6) else 0)" || \
		echo 'Python formatter not supported on Python < 3.6; check results on a newer platform'
	@$(PYTHON) -c "import sys; exit(1 if sys.version_info >= (3,6) else 0)" || \
		.venv\Scripts\black.exe --check \
		--exclude="build/|buck-out/|dist/|_build/|\.git/|\.hg/|\.mypy_cache/|\.nox/|\.tox/|\.venv/|src/erlfmt|src/rebar/pr2relnotes.py|src/fauxton" \
		build-aux dev\run dev\format_*.py src\mango\test src\docs\src\conf.py src\docs\ext .

# target: python-black-update - Apply Python source code format standards automatically (requires Python >= 3.6)
python-black-update: .venv/bin/black
	@$(PYTHON) -c "import sys; exit(1 if sys.version_info < (3,6) else 0)" || \
		echo 'Python formatter not supported on Python < 3.6; check results on a newer platform'
	@$(PYTHON) -c "import sys; exit(1 if sys.version_info >= (3,6) else 0)" || \
		.venv\Scripts\black.exe \
		--exclude="build/|buck-out/|dist/|_build/|\.git/|\.hg/|\.mypy_cache/|\.nox/|\.tox/|\.venv/|src/erlfmt|src/rebar/pr2relnotes.py|src/fauxton" \
		build-aux dev\run dev\format_*.py src\mango\test src\docs\src\conf.py src\docs\ext .

.PHONY: elixir
elixir: export MIX_ENV=integration
elixir: export COUCHDB_TEST_ADMIN_PARTY_OVERRIDE=1
elixir: elixir-init elixir-check-formatted elixir-credo devclean
	@dev\run $(TEST_OPTS) -a adm:pass -n 1 --enable-erlang-views \
      --locald-config test/elixir/test/config/test-config.ini \
      --no-eval 'mix test --trace --exclude without_quorum_test --exclude with_quorum_test $(EXUNIT_OPTS)'

.PHONY: elixir-init
elixir-init: MIX_ENV=test
elixir-init: config.erl
	@mix local.rebar --force && mix local.hex --force && mix deps.get

.PHONY: elixir-cluster-without-quorum
elixir-cluster-without-quorum: export MIX_ENV=integration
elixir-cluster-without-quorum: elixir-init elixir-check-formatted elixir-credo devclean
	@dev\run -n 3 -q -a adm:pass \
	    --degrade-cluster 2 \
        --no-eval 'mix test --trace --only without_quorum_test $(EXUNIT_OPTS)'

.PHONY: elixir-cluster-with-quorum
elixir-cluster-with-quorum: export MIX_ENV=integration
elixir-cluster-with-quorum: elixir-init elixir-check-formatted elixir-credo devclean
	@dev\run -n 3 -q -a adm:pass \
	    --degrade-cluster 1 \
		--no-eval 'mix test --trace --only with_quorum_test $(EXUNIT_OPTS)'

.PHONY: elixir-suite
# target: elixir-suite - Run Elixir-based integration tests
elixir-suite: export MIX_ENV=integration
elixir-suite: export COUCHDB_TEST_ADMIN_PARTY_OVERRIDE=1
elixir-suite: elixir-init devclean
	@dev\run -n 1 -q -a adm:pass \
		--enable-erlang-views \
		--no-join \
		--locald-config test/elixir/test/config/test-config.ini \
		--erlang-config rel/files/eunit.config \
		--no-eval 'mix test --trace --include test\elixir\test\config\suite.elixir --exclude test\elixir\test\config\skip.elixir'

.PHONY: elixir-search
# target: elixir-search - Run search tests, requires a running Clouseau instance
elixir-search: export MIX_ENV=integration
elixir-search: elixir-init devclean
	@dev\run -n 1 -q -a adm:pass \
		--locald-config test/config/test-config.ini \
		--no-eval 'mix test --trace --include test/elixir/test/config/search.elixir'

.PHONY: elixir-source-checks
# target: elixir-source-checks - Check source code formatting of Elixir test files
elixir-source-checks: export MIX_ENV=integration
elixir-source-checks: elixir-init
	@mix format --check-formatted
	@mix credo

.PHONY: build-report
# target: build-report - Generate a build report
build-report:
	@$(PYTHON) build-aux/show-test-results.py --suites=10 --tests=10 > test-results.log

.PHONY: check-qs
# target: check-qs - Run query server tests (ruby and rspec required!)
check-qs:
	@QS_LANG=js rspec test\view_server\query_server_spec.rb

.PHONY: list-eunit-apps
# target: list-eunit-apps - List EUnit target apps
list-eunit-apps:
	@powershell -Command 'Get-ChildItem -Path src -Recurse -Filter "*_tests?.erl" | Resolve-Path -Relative | ForEach-Object { $$_.Split("\") | Select -Skip 2 -First 1 } | Sort -Unique'


.PHONY: list-eunit-suites
# target: list-eunit-suites - List EUnit target test suites
list-eunit-suites:
	@powershell -Command 'Get-ChildItem -Path src -Recurse -Filter "*_tests?.erl" | ForEach-Object { "{0}" -f $$_.BaseName } | Sort'


.PHONY: mango-test
# target: mango-test - Run Mango tests
mango-test: export COUCHDB_TEST_ADMIN_PARTY_OVERRIDE=1
mango-test: devclean all
	@cd src\mango && \
		python.exe -m venv .venv && \
		.venv\Scripts\pip.exe install -r requirements.txt
	@cd src\mango && \
		..\..\dev\run $(TEST_OPTS) \
		-n 1 \
		--admin=adm:pass \
		"env COUCH_USER=adm COUCH_PASS=pass .venv\Scripts\nose2 $(MANGO_TEST_OPTS)"


################################################################################
# Developing
################################################################################


.PHONY: build-plt
# target: build-plt - Build project-specific PLT
build-plt:
	@$(REBAR) -r build-plt $(DIALYZE_OPTS)


.PHONY: check-plt
# target: check-plt - Check the PLT for consistency and rebuild it if it is not up-to-date
check-plt:
	@$(REBAR) -r check-plt $(DIALYZE_OPTS)


.PHONY: dialyze
# target: dialyze - Analyze the code for discrepancies
dialyze: .rebar
	@$(REBAR) -r dialyze $(DIALYZE_OPTS)

.PHONY: find_bugs
# target: find_bugs - Find unused exports etc
find_bugs:
	@$(REBAR) --keep-going --recursive xref $(DIALYZE_OPTS)

.PHONY: introspect
# target: introspect - Check for commits difference between rebar.config and repository
introspect:
	@$(REBAR) -r update-deps
	@escript build-aux\introspect


################################################################################
# Distributing
################################################################################


.PHONY: dist
# target: dist - Make release tarball
dist: all derived
	@.\build-aux\couchdb-build-release.sh $(COUCHDB_VERSION)

	@copy -r share\www apache-couchdb-$(COUCHDB_VERSION)\share
	@mkdir apache-couchdb-$(COUCHDB_VERSION)\share\docs\html
	@copy -r src\docs\build\html apache-couchdb-$(COUCHDB_VERSION)\share\docs

	@mkdir apache-couchdb-$(COUCHDB_VERSION)\share\docs\man
	@copy src\docs\build\man\apachecouchdb.1 apache-couchdb-$(COUCHDB_VERSION)\share\docs\man

	@tar czf apache-couchdb-$(COUCHDB_VERSION).tar.gz apache-couchdb-$(COUCHDB_VERSION)
	@echo 'Done: apache-couchdb-$(COUCHDB_VERSION).tar.gz'


.PHONY: release
# target: release - Create an Erlang release including CouchDB!
-include install.mk
release: all
	@echo 'Installing CouchDB into rel\couchdb\ ...'
	-@rmdir /s/q rel\couchdb
	@$(REBAR) generate
	@copy src\couch\priv\couchjs.exe rel\couchdb\bin

ifeq ($(with_fauxton), 1)
	-@mkdir rel\couchdb\share
	-@xcopy share\www rel\couchdb\share\www /E/I
endif

ifeq ($(with_docs), 1)
	-@mkdir rel\couchdb\share\www\docs
	-@mkdir rel\couchdb\share\docs
ifeq ($(IN_RELEASE), true)
	@xcopy share\docs\html rel\couchdb\share\www\docs /E /I
	@copy share\docs\man\apachecouchdb.1 rel\couchdb\share\docs\couchdb.1
else
	@xcopy src\docs\build\html rel\couchdb\share\www\docs /E /I
	@copy src\docs\build\man\apachecouchdb.1 rel\couchdb\share\docs\couchdb.1
endif
endif

	@echo ... done
	@echo .
	@echo     You can now copy the rel\couchdb directory anywhere on your system.
	@echo     Start CouchDB with .\bin\couchdb.cmd from within that directory.
	@echo .

.PHONY: install
# target: install - Install CouchDB :)
install: release
	@echo .
	@echo Notice: There is no 'make install' command for CouchDB 2.x+.
	@echo .
	@echo     To install CouchDB into your system, copy the rel\couchdb
	@echo     to your desired installation location. For example:
	@echo     xcopy /E rel\couchdb C:\CouchDB\
	@echo .

################################################################################
# Cleaning
################################################################################


.PHONY: clean
# target: clean - Remove build artifacts
clean:
	@$(REBAR) -r clean
	-@rmdir /s/q .rebar
	-@del /f/q bin\couchjs.exe
	-@rmdir /s/q src\*\ebin
	-@rmdir /s/q src\*\.rebar
	-@del /f/q/s src\*.dll
	-@del /f/q src\couch\priv\*.exe
	-@del /f/q share\server\main.js share\server\main-ast-bypass.js share\server\main-coffee.js
	-@rmdir /s/q tmp
	-@rmdir /s/q dev\data
	-@rmdir /s/q dev\lib
	-@rmdir /s/q dev\logs
	-@rmdir /s/q src\mango\.venv
	-@del /f/q src\couch\priv\couch_js\config.h
	-@del /f/q dev\boot_node.beam dev\pbkdf2.pyc log\crash.log


.PHONY: distclean
# target: distclean - Remove build and release artifacts
distclean: clean
	-@del install.mk
	-@del config.erl
	-@del rel\couchdb.config
ifneq ($(IN_RELEASE), true)
# when we are in a release, don’t delete the
# copied sources, generated docs, or fauxton
	-@rmdir /s/q rel\couchdb
	-@rmdir /s/q share\www
	-@rmdir /s/q src\docs
endif


.PHONY: devclean
# target: devclean - Remove dev cluster artifacts
devclean:
	-@rmdir /s/q dev\lib\node1\data
	-@rmdir /s/q dev\lib\node2\data
	-@rmdir /s/q dev\lib\node3\data
	-@rmdir /s/q dev\lib\node1\etc
	-@rmdir /s/q dev\lib\node2\etc
	-@rmdir /s/q dev\lib\node3\etc


################################################################################
# Misc
################################################################################


.rebar: build-plt

config.erl:
	@echo Apache CouchDB has not been configured.
	@echo Try "powershell -ExecutionPolicy Bypass .\configure.ps1 -?" for help.
	@echo You probably want "powershell -ExecutionPolicy Bypass .\configure.ps1".
	@echo.
	@false


src\docs\build:
	@echo 'Building docs...'
ifeq ($(with_docs), 1)
	@cd src\docs && make.bat html && make.bat man
endif


share\www:
ifeq ($(with_fauxton), 1)
	@echo 'Building Fauxton'
	@cd src\fauxton && npm install && .\node_modules\.bin\grunt couchdb
endif

derived:
	@echo "COUCHDB_GIT_SHA:        $(COUCHDB_GIT_SHA)"
	@echo "COUCHDB_VERSION:        $(COUCHDB_VERSION)"
	@echo "COUCHDB_VERSION_SUFFIX: $(COUCHDB_VERSION_SUFFIX)"
	@echo "DIRTY:                  $(DIRTY)"
	@echo "IN_RC:                  $(IN_RC)"
	@echo "IN_RELEASE:             $(IN_RELEASE)"
	@echo "ON_TAG:                 $(ON_TAG)"
	@echo "REL_TAG:                $(REL_TAG)"
	@echo "SUB_VSN:                $(SUB_VSN)"