# Modify env.sh and uncomment to change config.
include env.sh

# Start the race detector with "RACE=1 make test" on the command line.
ifdef RACE
	RACE:=-race
else 
	RACE:=
endif

# To be verbose while testing use VERBOSE=1.
ifdef VERBOSE
	VERBOSE:=-v
else 
	VERBOSE:=
endif

# Allow use of external networks. EXTERNAL=1
ifdef EXTERNAL
	EXTERNAL:=-external
else 
	EXTERNAL:=
endif


IMPORT_FILE:=./import.go
APP:=mailer

# Include the  sqlit3 database in archiv.
ifeq ($(FREEMAIL_DB_DRIVER), sqlite3)
	FREEMAIL_DB_DIR:=db
else
	FREEMAIL_DB_DIR:=
endif

# Start targets
all: kill build run

clean: kill
	@(rm $(IMPORT_FILE) 2>/dev/null && echo "Removing import file..." ) || true
	@(rm $(FREEMAIL_DB_CREDENTIALS) 2>/dev/null echo && "Removing sqlite3 database..." ) || true
	@(rm $(APP).tar.gz 1>&2 2>/dev/null && echo "Removing tar archiv...") || true
	@(rm _env.sh 1>&2 2>/dev/null && echo "Removing _env.sh...") || true
	@(rm $(APP) 2>/dev/null && echo "Removing binary ($(APP))...") || true
	@(rm start.sh 1>&2 2>/dev/null && echo "Removing startup script...") || true
	@echo "Done."

build: import
	go build -o $(APP)

run: _test_build
	./$(APP) &

kill:
	@(pgrep $(APP) &&  \
	echo "Killing running instances..." && \
	pkill $(APP) ) || true

create_import:
	@if [ ! -f $(IMPORT_FILE) ] ; \
	then \
		echo "package main" > $(IMPORT_FILE) ; \
	fi

import: 
	@if [ ! -f $(IMPORT_FILE) ] ; \
	then \
		echo "package main" > $(IMPORT_FILE) ; \
		echo "import _ \"$(FREEMAIL_DB_IMPORT_DRIVER)\"" >> $(IMPORT_FILE) ; \
	fi

sqlite3: create_import 
	@echo "import _ \"github.com/mattn/go-sqlite3\"" >> $(IMPORT_FILE)

mysql: create_import
	@echo "import _ \"github.com/go-sql-driver/mysql\"" >> $(IMPORT_FILE)

postgresql: create_import
	@echo "import _ \"github.com/lib/pq\"" >> $(IMPORT_FILE)

database_all: sqlite3 mysql postgresql
	@echo "Created import file for all databases."

pack: gen_config
	echo "#!/bin/sh" > start.sh && \
	echo ". ./_env.sh && ./$(APP)" >> start.sh && \
	chmod +x start.sh && \
	tar czf $(APP).tar.gz start.sh $(APP) _env.sh views static $(FREEMAIL_DB_DIR) 2>/dev/null && \
	rm start.sh 2>/dev/null && \
	echo "\n/$(APP).tar.gz is ready." || \
	(echo "Run \"make build\" first." && exit 1)

test: import
	FREEMAIL_DB_CREDENTIALS=":memory:" go test $(RACE) $(VERBOSE) $(EXTERNAL)
	@(rm $(IMPORT_FILE) 2>/dev/null && echo "Removing import file..." ) || true

benchmark: import
	DB_FREEMAIL_LOG=false FREEMAIL_DB_CREDENTIALS=":memory:" go test $(VERBOSE) -bench=".*"
	@(rm $(IMPORT_FILE) 2>/dev/null && echo "Removing import file..." ) || true

_test_build:
	@if [ ! -f ./$(APP) ] || [ ! -x ./$(APP) ]; then \
		echo "No executable binary found." 1>&2; \
		echo "Run \"make build\" first." 1>&2; \
		echo ""; \
		exit 1; \
	fi

gen_config: _test_build
	@echo "Generating config file!\n"
	echo "#!/bin/sh" > _env.sh 
	@echo "# Database" >> _env.sh
	echo "export FREEMAIL_DB_DRIVER=$(FREEMAIL_DB_DRIVER)" >> _env.sh
	echo "export FREEMAIL_DB_CREDENTIALS=$(FREEMAIL_DB_CREDENTIALS)" >> _env.sh
	echo "export FREEMAIL_DB_IMPORT_DRIVER=$(FREEMAIL_DB_IMPORT_DRIVER)" >> _env.sh
	echo "export FREEMAIL_DB_LOG=$(FREEMAIL_DB_LOG)\n" >> _env.sh
	@echo ""
	@echo "# Redis" >> _env.sh
	echo "export FREEMAIL_REDIS_SERVER=$(FREEMAIL_REDIS_SERVER)" >> _env.sh
	echo "export FREEMAIL_REDIS_PORT=$(FREEMAIL_REDIS_PORT)\n" >> _env.sh
	@echo ""
	@echo "# Http" >> _env.sh
	echo "export FREEMAIL_HTTP_IP=$(FREEMAIL_HTTP_IP)" >> _env.sh
	echo "export FREEMAIL_HTTP_PORT=$(FREEMAIL_HTTP_PORT)" >> _env.sh
	@echo ""
	echo "export FREEMAIL_SECRET=$(FREEMAIL_SECRET)" >> _env.sh
	@echo ""
	@echo "# Smtp" >> _env.sh
	echo "export FREEMAIL_SMTP_MAILER_MX=$(FREEMAIL_SMTP_MAILER_MX)" >> _env.sh
	echo "export FREEMAIL_SMTP_PASSWORD=$(FREEMAIL_SMTP_PASSWORD)" >> _env.sh
	echo "export FREEMAIL_SMTP_ADRESS=$(FREEMAIL_SMTP_ADRESS)" >> _env.sh
	@chmod +x _env.sh

restart: kill build run