#!/usr/bin/env bash
set -euo pipefail

# Build + flash the M5Stack Dashboard project via PlatformIO on Linux/macOS.
#
# Usage:
#   ./scripts/deploy.sh                # auto-detect USB port
#   ./scripts/deploy.sh /dev/ttyUSB0   # force a specific port
#
# This script intentionally does NOT open the serial monitor afterwards.
# Uses the same local virtualenv as build.sh, created automatically if missing.

cd "$(dirname "$0")/.."

VENV_DIR=".venv-platformio"

if [ ! -d "$VENV_DIR" ]; then
    echo "Creating local virtualenv in $VENV_DIR ..."
    python3 -m venv "$VENV_DIR"
    "$VENV_DIR/bin/pip" install --upgrade pip
    "$VENV_DIR/bin/pip" install platformio
fi

PIO="$VENV_DIR/bin/pio"

if [ "$#" -ge 1 ]; then
    PORT="$1"
    echo "Using forced upload port: $PORT"
    "$PIO" run --target upload --upload-port "$PORT"
else
    echo "Auto-detecting upload port..."
    "$PIO" run --target upload
fi

echo "Build + flash complete."