#!/bin/bash
set -e

BINARY_NAME="opencode-monitor"
VERSION=$(git describe --tags --always --dirty 2>/dev/null || echo "dev")
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"

cd "$PROJECT_DIR"

detect_platform() {
    local os arch suffix
    os=$(uname -s | tr '[:upper:]' '[:lower:]')
    arch=$(uname -m)
    case "$os" in
        linux*)  os="linux" ;;
        darwin*) os="darwin" ;;
        *)       os="windows" ;;
    esac
    case "$arch" in
        x86_64|amd64) arch="amd64" ;;
        aarch64|arm64) arch="arm64" ;;
        *)             arch="amd64" ;;
    esac
    if [ "$os" = "windows" ]; then
        suffix=".exe"
    else
        suffix=""
    fi
    echo "${os}-${arch}${suffix}"
}

if [ "$1" = "--only-ble" ]; then
    echo "=== Building BLE relay only ==="
    python3 -m pip install pyinstaller bleak || python -m pip install pyinstaller bleak
    mkdir -p bin
    python3 -m PyInstaller --onefile --name ble_relay --distpath bin --specpath build --workpath build scripts/ble_relay.py || python -m PyInstaller --onefile --name ble_relay --distpath bin --specpath build --workpath build scripts/ble_relay.py
    cp bin/ble_relay cmd/monitor/ble_relay
    echo ""
    echo "Done: bin/ble_relay + cmd/monitor/ble_relay"

elif [ "$1" = "--ble" ]; then
    PLATFORM=$(detect_platform)
    echo "=== Building for ${PLATFORM} with BLE ==="
    echo "Step 1: Building BLE relay..."
    python3 -m pip install pyinstaller bleak || python -m pip install pyinstaller bleak
    mkdir -p bin
    python3 -m PyInstaller --onefile --name ble_relay --distpath bin --specpath build --workpath build scripts/ble_relay.py || python -m PyInstaller --onefile --name ble_relay --distpath bin --specpath build --workpath build scripts/ble_relay.py
    cp bin/ble_relay cmd/monitor/ble_relay
    echo "Step 2: Building Go binary with BLE embedded..."
    go mod tidy
    mkdir -p dist
    go build -tags ble -ldflags "-X main.Version=${VERSION}" -o "dist/${BINARY_NAME}-${PLATFORM}" ./cmd/monitor
    rm -f cmd/monitor/ble_relay
    echo ""
    echo "Done: dist/${BINARY_NAME}-${PLATFORM}"

else
    echo "=== Building all platforms (no BLE) ==="
    mkdir -p dist
    go mod tidy

    echo "Building for Linux (amd64)..."
    GOOS=linux GOARCH=amd64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-linux-amd64 ./cmd/monitor

    echo "Building for Linux (arm64)..."
    GOOS=linux GOARCH=arm64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-linux-arm64 ./cmd/monitor

    echo "Building for macOS (amd64)..."
    GOOS=darwin GOARCH=amd64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-darwin-amd64 ./cmd/monitor

    echo "Building for macOS (arm64)..."
    GOOS=darwin GOARCH=arm64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-darwin-arm64 ./cmd/monitor

    echo "Building for Windows (amd64)..."
    GOOS=windows GOARCH=amd64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-windows-amd64.exe ./cmd/monitor

    echo "Building for Windows (arm64)..."
    GOOS=windows GOARCH=arm64 go build -ldflags "-X main.Version=${VERSION}" -o dist/${BINARY_NAME}-windows-arm64.exe ./cmd/monitor

    echo ""
    echo "Done! Binaries in dist/"
    ls -la dist/
fi