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

# esc deploy script — idempotent, can be re-run safely
# Target: Uberspace 8 (serve.uber.space)

HOST="serve"
SERVICE_DIR="services/esc"
STATIC_DIR="/var/www/virtual/serve/html/esc"
DB_NAME="esc"
PORT=3006

echo "=== celebrate-esc deploy ==="

# ── 1. Create database if needed ─────────────────────────────────────
echo "→ ensuring database exists..."
ssh "$HOST" "createdb -h localhost -p 5433 $DB_NAME 2>/dev/null || true"

# ── 2. Build client locally ──────────────────────────────────────────
echo "→ building client..."
cd packages/client
VITE_BASE="/esc/" bun run build
cd ../..

# ── 3. Sync server code ─────────────────────────────────────────────
echo "→ syncing server to $HOST:~/$SERVICE_DIR/..."
ssh "$HOST" "mkdir -p ~/$SERVICE_DIR"
rsync -az --delete \
	--exclude='node_modules' \
	--exclude='.env' \
	packages/server/ "$HOST:~/$SERVICE_DIR/server/"
rsync -az --delete \
	--exclude='node_modules' \
	packages/shared/ "$HOST:~/$SERVICE_DIR/shared/"

# Copy root workspace files needed for bun install
scp package.json "$HOST:~/$SERVICE_DIR/"
scp tsconfig.json "$HOST:~/$SERVICE_DIR/"
scp bun.lock "$HOST:~/$SERVICE_DIR/"

# ── 4. Install server dependencies on remote ─────────────────────────
echo "→ installing server dependencies..."
ssh "$HOST" "cd ~/$SERVICE_DIR && cat > package.json << 'PKGJSON'
{
	\"name\": \"celebrate-esc\",
	\"private\": true,
	\"workspaces\": [
		\"shared\",
		\"server\"
	]
}
PKGJSON
bun install --frozen-lockfile 2>/dev/null || bun install"

# ── 5. Create .env on remote if missing ──────────────────────────────
echo "→ ensuring .env exists..."
ssh "$HOST" "test -f ~/$SERVICE_DIR/.env || cat > ~/$SERVICE_DIR/.env << 'ENVFILE'
DATABASE_URL=postgresql://localhost:5433/$DB_NAME
PORT=$PORT
ENVFILE"

# ── 6. Run migrations ────────────────────────────────────────────────
echo "→ pushing database schema..."
ssh "$HOST" "cd ~/$SERVICE_DIR/server && DATABASE_URL=postgresql://localhost:5433/$DB_NAME bun drizzle-kit push --force"

# ── 7. Deploy static client files ────────────────────────────────────
echo "→ deploying client static files..."
ssh "$HOST" "mkdir -p $STATIC_DIR"
rsync -az --delete packages/client/dist/ "$HOST:$STATIC_DIR/"

# Create .htaccess for SPA routing
ssh "$HOST" "cat > $STATIC_DIR/.htaccess << 'HTACCESS'
RewriteEngine On
RewriteBase /esc/

# Don't rewrite API requests — handled by web backend
RewriteCond %{REQUEST_URI} ^/esc/api [NC]
RewriteRule . - [L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . index.html [L]
HTACCESS"

# ── 8. Create systemd service ────────────────────────────────────────
echo "→ setting up systemd service..."
ssh "$HOST" "cat > ~/.config/systemd/user/esc.service << 'UNIT'
[Unit]
Description=esc API server
After=postgresql.service

[Service]
Type=simple
WorkingDirectory=%h/services/esc/server
ExecStart=/usr/bin/bun run --env-file=../.env src/index.ts
Restart=on-failure
RestartSec=5

[Install]
WantedBy=default.target
UNIT

systemctl --user daemon-reload
systemctl --user enable esc.service
systemctl --user restart esc.service"

# ── 9. Set up web backend routing ────────────────────────────────────
echo "→ configuring web backend routing..."
ssh "$HOST" "uberspace web backend add /esc/api PORT $PORT --remove-prefix --force 2>/dev/null || true"

# ── 10. Verify ────────────────────────────────────────────────────────
echo "→ verifying deployment..."
sleep 2
ssh "$HOST" "systemctl --user status esc.service --no-pager | head -5"
echo ""
echo "=== deploy complete ==="
echo "Frontend: https://serve.uber.space/esc/"
echo "API:      https://serve.uber.space/esc/api/health"