SHELL := /bin/bash
ENV_FILE := .env

# PYTHON
VENV_NAME := .venv
PYTHON := $(VENV_NAME)/bin/python
PIP := $(VENV_NAME)/bin/pip
REQUIREMENTS := requirements-dev.txt

# Docker
DOCKER_COMPOSE := docker-compose
DOCKER_COMPOSE_FILE := docker-compose.yml
DOCKER_DIRECTORY := dev_env
POSTGRES_CONTAINER := postgres_chariotte

MAX_TRIES := 10

.PHONY: python venv_python install_python clean_python db_start db_stop front_install help

.DEFAULT_GOAL := help

help:
	@echo "Available targets:"
	@echo "  python        : Create and activate a Python virtual environment. Install dependencies."
	@echo "  install_python: Install Python dependencies from requirements file."
	@echo "  clean_python  : Remove the Python virtual environment."
	@echo "  db_start      : Start Docker containers and run database migrations."
	@echo "  db_stop       : Stop Docker containers and remove volumes."
	@echo "  front_install : Install front-end dependencies using Yarn or NPM."
	@echo "  run_server    : Run the Django development server."
	@echo "  help          : Display this help message."

python: venv_python install_python

venv_python:
	python3 -m venv $(VENV_NAME)
	@echo "Activating virtual environment with 'source $(VENV_NAME)/bin/activate'. Run 'deactivate' to exit."

install_python: venv_python
	@$(VENV_NAME)/bin/pip install --upgrade pip
	@$(VENV_NAME)/bin/pip install -r $(REQUIREMENTS)

clean_python:
	rm -rf $(VENV_NAME)

db_start:
	@if [ ! -x $$(command -v $(DOCKER_COMPOSE)) ]; then \
		echo "Docker Compose not installed. Please install Docker Compose."; \
		exit 1; \
	fi
	@$(DOCKER_COMPOSE) -f $(DOCKER_DIRECTORY)/$(DOCKER_COMPOSE_FILE) --env-file ${ENV_FILE} up -d
	@for ((tries=0; tries<$(MAX_TRIES); tries++)); do \
		if docker inspect --format '{{json .State.Health.Status }}' $(POSTGRES_CONTAINER) | grep -q 'healthy'; then \
			break; \
		fi; \
		echo "Waiting for the container to be healthy..."; \
		sleep 1; \
	done; \
	if [ $$tries -ge $(MAX_TRIES) ]; then \
		echo "Timed out waiting for the container to be healthy."; \
		exit 1; \
	fi
	@echo "Running migrations..."
	@$(PYTHON) manage.py migrate

db_stop:
	@$(DOCKER_COMPOSE) -f $(DOCKER_DIRECTORY)/$(DOCKER_COMPOSE_FILE) down -v

front_install:
	@if command -v yarn > /dev/null; then \
		echo "Installing dependencies with Yarn ..."; \
		yarn install; \
	elif command -v npm > /dev/null; then \
		echo "Installing dependencies with NPM ..."; \
		npm install; \
	else \
		echo "Neither Yarn nor NPM found. Please install one of them."; \
		exit 1; \
	fi

run_server:
	@$(PYTHON) manage.py runserver

superuser:
	@$(PYTHON) manage.py createsuperuser