#!/bin/bash
# =============================================================================
# SignFlow - Fly.io Deployment Script
# =============================================================================

set -e

APP_NAME="${1:-signflow-$(whoami | tr '[:upper:]' '[:lower:]' | tr -cd 'a-z0-9')}"

echo "🚀 SignFlow Fly.io Deployment"
echo "=============================="
echo ""

# Check if fly CLI is installed
if ! command -v fly &> /dev/null; then
    echo "📦 Installing Fly CLI..."
    curl -L https://fly.io/install.sh | sh
    export PATH="$HOME/.fly/bin:$PATH"
fi

# Check if logged in
if ! fly auth whoami &> /dev/null; then
    echo "🔐 Please log in to Fly.io..."
    fly auth login
fi

echo ""
echo "App name: $APP_NAME"
echo ""

# Update fly.toml with app name
sed -i.bak "s/^app = .*/app = \"$APP_NAME\"/" fly.toml && rm -f fly.toml.bak

# Launch app (creates app if doesn't exist)
if ! fly apps list | grep -q "$APP_NAME"; then
    echo "📱 Creating Fly.io app..."
    fly launch --name "$APP_NAME" --no-deploy --copy-config
fi

# Prompt for Hugging Face URL
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "📤 STEP 1: Upload your model to Hugging Face"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "1. Go to https://huggingface.co/new"
echo "2. Create a new model repository (e.g., 'signflow-model')"
echo "3. Upload your best_model.pth file"
echo "4. Copy the direct download URL:"
echo "   https://huggingface.co/YOUR_USERNAME/YOUR_REPO/resolve/main/best_model.pth"
echo ""
read -p "Paste your Hugging Face model URL: " HF_URL

if [ -z "$HF_URL" ]; then
    echo "❌ No URL provided. Exiting."
    exit 1
fi

# Set the secret
echo ""
echo "🔑 Setting model URL secret..."
fly secrets set HF_MODEL_URL="$HF_URL" --app "$APP_NAME"

# Optional: gloss map
echo ""
read -p "Do you have a custom gloss_map.csv on Hugging Face? (y/N): " HAS_GLOSS
if [[ "$HAS_GLOSS" =~ ^[Yy]$ ]]; then
    read -p "Paste gloss_map.csv URL: " GLOSS_URL
    fly secrets set HF_GLOSS_URL="$GLOSS_URL" --app "$APP_NAME"
fi

# Deploy
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 STEP 2: Deploying to Fly.io"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

fly deploy --app "$APP_NAME"

echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "✅ DEPLOYMENT COMPLETE!"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "🌐 Your app is live at: https://$APP_NAME.fly.dev"
echo ""
echo "📊 Monitor: fly logs --app $APP_NAME"
echo "🔧 Console: fly ssh console --app $APP_NAME"
echo "📈 Status:  fly status --app $APP_NAME"
echo ""