# Configuration
set shell := ["bash", "-c"]

export VIRTUAL_ENV := ""
backend_dir := "backend/app"
frontend_dir := "frontend"
venv_bin := backend_dir + "/.venv/bin"

# ============================================================================
# Default: Show help
# ============================================================================
[doc("Show available recipes")]
default:
    @just --list

# ============================================================================
# Setup: Initialize dependencies
# ============================================================================

[doc("Install all dependencies")]
install: install-backend install-frontend

[doc("Install backend dependencies with uv")]
install-backend:
    cd {{backend_dir}} && uv sync

[doc("Install portable Node.js and frontend dependencies")]
install-frontend: install-backend
    @echo "Ensuring Node.js is available..."
    @if ! command -v npm >/dev/null 2>&1 && [ ! -f "{{venv_bin}}/npm" ]; then \
        echo "Installing portable Node.js inside Python venv..."; \
        cd {{backend_dir}} && uv pip install nodeenv && uv run nodeenv -p; \
    fi
    @echo "Installing frontend dependencies..."
    export PATH="$PWD/{{venv_bin}}:$PATH" && cd {{frontend_dir}} && npm install

# ============================================================================
# Development: Run services
# ============================================================================

[doc("Run backend server")]
run-backend: install-backend
    cd {{backend_dir}} && uv run python3 main.py

[doc("Run frontend development server")]
run-frontend: install-frontend
    export PATH="$PWD/{{venv_bin}}:$PATH" && cd {{frontend_dir}} && npm start

[doc("Run both services (Backend + GUI)")]
dev: install
    @echo "Starting backend and frontend..."
    export PATH="$PWD/{{venv_bin}}:$PATH"; \
    (cd {{backend_dir}} && uv run python3 main.py) & \
    BACKEND_PID=$$!; \
    sleep 2; \
    (cd {{frontend_dir}} && npm start) & \
    FRONTEND_PID=$$!; \
    trap "kill $$BACKEND_PID $$FRONTEND_PID 2>/dev/null" EXIT INT TERM; \
    wait

# ============================================================================
# Build & Clean
# ============================================================================

[doc("Build frontend")]
build-frontend: install-frontend
    export PATH="$PWD/{{venv_bin}}:$PATH" && cd {{frontend_dir}} && npm run build

[doc("Clean build artifacts and all dependencies")]
clean-all:
    rm -rf {{backend_dir}}/.pytest_cache
    rm -rf {{backend_dir}}/__pycache__
    rm -rf {{backend_dir}}/src/__pycache__
    rm -rf {{frontend_dir}}/build
    rm -rf {{backend_dir}}/.venv
    rm -rf {{frontend_dir}}/node_modules
    find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true

[doc("Check if tools are available")]
check:
    @echo "Checking prerequisites..."
    @command -v uv >/dev/null 2>&1 && echo "[OK] uv" || echo "[MISSING] uv"
    @if command -v node >/dev/null 2>&1 || [ -f "{{venv_bin}}/node" ]; then echo "[OK] Node.js"; else echo "[MISSING] Node.js"; fi
    @if command -v npm >/dev/null 2>&1 || [ -f "{{venv_bin}}/npm" ]; then echo "[OK] npm"; else echo "[MISSING] npm"; fi
    @command -v python3 >/dev/null 2>&1 && echo "[OK] python3" || echo "[MISSING] python3"