#!/bin/bash
# SN-L00 Firmware Build Script
# Used by CI and local development

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BUILD_DIR="${SCRIPT_DIR}/build"

# Check for Pico SDK
if [ -z "$PICO_SDK_PATH" ]; then
    # Try common locations
    if [ -d "/usr/share/pico-sdk" ]; then
        export PICO_SDK_PATH="/usr/share/pico-sdk"
    elif [ -d "$HOME/pico-sdk" ]; then
        export PICO_SDK_PATH="$HOME/pico-sdk"
    elif [ -d "/opt/pico-sdk" ]; then
        export PICO_SDK_PATH="/opt/pico-sdk"
    else
        echo "ERROR: PICO_SDK_PATH not set and SDK not found in common locations"
        echo "Please set PICO_SDK_PATH or install pico-sdk"
        exit 1
    fi
fi

echo "Using Pico SDK: $PICO_SDK_PATH"

# Clean build if requested
if [ "$1" = "clean" ]; then
    echo "Cleaning build directory..."
    rm -rf "$BUILD_DIR"
fi

# Create build directory
mkdir -p "$BUILD_DIR"
cd "$BUILD_DIR"

# Configure
echo "Configuring..."
cmake .. -DCMAKE_BUILD_TYPE=Release

# Build
echo "Building..."
make -j$(nproc)

# Report results
if [ -f "sn_l00.uf2" ]; then
    echo ""
    echo "Build successful!"
    echo "Output: $BUILD_DIR/sn_l00.uf2"
    ls -lh sn_l00.uf2 sn_l00.elf
else
    echo "Build failed - no output file"
    exit 1
fi