#!/bin/bash
# LokiDeploy Build Script
# Builds frontend and backend into a single deployable package

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
echo "========================================"
echo "  LokiDeploy Build Script"
echo "========================================"

# 1. Build Frontend
echo "[1/2] Building frontend..."
cd "$SCRIPT_DIR/frontend"
if [ ! -d "node_modules" ]; then
    echo "  Installing dependencies..."
    npm ci
fi
npm run build
echo "  Frontend built: frontend/dist/"

# 2. Build Backend
echo "[2/2] Building backend..."
cd "$SCRIPT_DIR/backend"

# Detect Go
if command -v go &> /dev/null; then
    GO_CMD="go"
elif [ -f "$HOME/go/bin/go" ]; then
    GO_CMD="$HOME/go/bin/go"
else
    echo "ERROR: Go not found. Please install Go 1.23+"
    echo "  wget https://go.dev/dl/go1.23.4.linux-amd64.tar.gz"
    echo "  tar -C $HOME -xzf go1.23.4.linux-amd64.tar.gz"
    echo "  export PATH=\$HOME/go/bin:\$PATH"
    exit 1
fi

export CGO_ENABLED=0
export GOPROXY=https://goproxy.cn,direct
$GO_CMD build -ldflags="-s -w" -o bin/lokideploy .

echo "  Backend built: bin/lokideploy"

# 3. Copy dist to backend for embedded serving
cd "$SCRIPT_DIR"
rm -rf backend/dist
cp -r frontend/dist backend/dist

# 4. Summary
echo ""
echo "========================================"
echo "  Build Complete!"
echo "========================================"
echo "  Frontend: backend/dist/"
echo "  Backend:  backend/bin/lokideploy"
echo "  Size:     $(du -h backend/bin/lokideploy | cut -f1)"
echo ""
echo "  Start with: ./run.sh"
echo "========================================"