# Shaarli, the personal, minimalist, super-fast, no-database delicious clone.
#
# Makefile for PHP code analysis & testing
#
# Prerequisites:
# - install Composer, either:
#   - from your distro's package manager;
#   - from the official website (https://getcomposer.org/download/);
# - install/update test dependencies:
#   $ composer install  # 1st setup
#   $ composer update
BIN = vendor/bin
PHP_SOURCE = index.php
MESS_DETECTOR_RULES = cleancode,codesize,controversial,design,naming,unusedcode

all: static_analysis_summary

##
# Concise status of the project
#
# These targets are non-blocking: || exit 0
##
static_analysis_summary: code_sniffer_source copy_paste mess_detector_summary

##
# PHP_CodeSniffer
#
# Detects PHP syntax errors
#
# Documentation (usage, output formatting):
# - http://pear.php.net/manual/en/package.php.php-codesniffer.usage.php
# - http://pear.php.net/manual/en/package.php.php-codesniffer.reporting.php
##
code_sniffer: code_sniffer_full

# - errors by Git author
code_sniffer_blame:
	@$(BIN)/phpcs $(PHP_SOURCE) --report-gitblame

# - all errors/warnings
code_sniffer_full:
	@$(BIN)/phpcs $(PHP_SOURCE) --report-full --report-width=200

# - errors grouped by kind
code_sniffer_source:
	@$(BIN)/phpcs $(PHP_SOURCE) --report-source || exit 0

##
# PHP Copy/Paste Detector
#
# Detects code redundancy
#
# Documentation: https://github.com/sebastianbergmann/phpcpd
##
copy_paste:
	@echo "-----------------------"
	@echo "PHP COPY/PASTE DETECTOR"
	@echo "-----------------------"
	@$(BIN)/phpcpd $(PHP_SOURCE) || exit 0
	@echo

##
# PHP Mess Detector
#
# Detects PHP syntax errors, sorted by category
#
# Rules documentation: http://phpmd.org/rules/index.html
#
mess_title:
	@echo "-----------------"
	@echo "PHP MESS DETECTOR"
	@echo "-----------------"

# - all warnings
mess_detector: mess_title
	@$(BIN)/phpmd $(PHP_SOURCE) text $(MESS_DETECTOR_RULES) | sed 's_.*\/__'

# - all warnings
#   the generated HTML contains links to PHPMD's documentation
mess_detector_html:
	@$(BIN)/phpmd $(PHP_SOURCE) html $(MESS_DETECTOR_RULES) \
	--reportfile phpmd.html || exit 0

# - warnings grouped by message, sorted by descending frequency order
mess_detector_grouped: mess_title
	@$(BIN)/phpmd $(PHP_SOURCE) text $(MESS_DETECTOR_RULES) \
	| cut -f 2 | sort | uniq -c | sort -nr

# - summary: number of warnings by rule set
mess_detector_summary: mess_title
	@for rule in $$(echo $(MESS_DETECTOR_RULES) | tr ',' ' '); do \
		warnings=$$($(BIN)/phpmd $(PHP_SOURCE) text $$rule | wc -l); \
		printf "$$warnings\t$$rule\n"; \
	done;

##
# Targets for repository and documentation maintenance
#
# remove all unversioned files
clean:
		@git clean -df

# update the local copy of the documentation
doc: clean
		@rm -rf doc
		@git clone https://github.com/shaarli/Shaarli.wiki.git doc
		@rm -rf doc/.git