# Tạo Resource Group
az group create \
  --name rg-hoatranlab-lab17 \
  --location southeastasia

# Tạo App Service Plan Standard S1 (Linux)
az appservice plan create \
  --name plan-hoatranlab-lab17 \
  --resource-group rg-hoatranlab-lab17 \
  --location southeastasia \
  --sku S1 \
  --is-linux

# Tạo Web App (.NET 8 runtime)
SUFFIX=$RANDOM
APP_NAME="app-hoatranlab-17${SUFFIX}"

az webapp create \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --plan plan-hoatranlab-lab17 \
  --runtime "DOTNETCORE:8.0"

echo "Web App URL: https://${APP_NAME}.azurewebsites.net"

# Xác nhận web app đang chạy
az webapp show \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --query "{state:state,defaultHostName:defaultHostName}" \
  --output json

# Tạo ASP.NET Core Web App mới
dotnet new webapp -n HoaTranLabApp --framework net8.0
cd HoaTranLabApp

# Sửa nhanh nội dung để phân biệt version
cat > Pages/Index.cshtml << 'EOF'
@page
@model IndexModel
HoaTranLab - Azure App Service Lab 17
Version: 1.0.0 | Slot: Production
Deploy time: @DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss") UTC
EOF

# Build và publish
dotnet publish -c Release -o ./publish

# Zip artifacts
cd publish
zip -r ../deploy.zip .
cd ..

# Deploy lên production slot
az webapp deploy \
  --resource-group rg-hoatranlab-lab17 \
  --name $APP_NAME \
  --src-path deploy.zip \
  --type zip

# Verify: mở browser
echo "Mở: https://${APP_NAME}.azurewebsites.net"
curl -s "https://${APP_NAME}.azurewebsites.net" | head -20

# Thêm App Settings (non-sticky — sẽ swap cùng slot)
az webapp config appsettings set \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --settings \
    "GREETING=Hello from Azure App Service" \
    "LAB_NAME=AZ-104 Lab 17"

# Thêm sticky settings (không swap cùng slot)
az webapp config appsettings set \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --slot-settings \
    "APP_VERSION=1.0.0-production" \
    "ASPNETCORE_ENVIRONMENT=Production"

# Xem tất cả app settings
az webapp config appsettings list \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --output table

# Thêm Connection String (sticky theo slot)
az webapp config connection-string set \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --connection-string-type SQLServer \
  --slot-settings \
    DefaultConnection="Server=prod-sql.database.windows.net;Database=ProdDB;"

# Tạo staging slot
az webapp deployment slot create \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --slot staging \
  --configuration-source $APP_NAME

# Đặt sticky setting riêng cho staging slot
az webapp config appsettings set \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --slot staging \
  --slot-settings \
    "APP_VERSION=2.0.0-staging" \
    "ASPNETCORE_ENVIRONMENT=Staging"

# Tạo version 2 của app (giả lập new release)
sed -i 's/Version: 1.0.0<\/strong>/Version: 2.0.0<\/strong>/' \
  Pages/Index.cshtml
sed -i 's/Slot: Production/Slot: Staging/' Pages/Index.cshtml

# Deploy version 2 lên staging slot
dotnet publish -c Release -o ./publish
cd publish && zip -r ../deploy-v2.zip . && cd ..

az webapp deploy \
  --resource-group rg-hoatranlab-lab17 \
  --name $APP_NAME \
  --slot staging \
  --src-path deploy-v2.zip \
  --type zip

# Test staging trước khi swap
STAGING_URL="https://${APP_NAME}-staging.azurewebsites.net"
echo "Test staging: $STAGING_URL"
curl -s $STAGING_URL | grep Version

# Swap staging → production (zero downtime)
az webapp deployment slot swap \
  --name $APP_NAME \
  --resource-group rg-hoatranlab-lab17 \
  --slot staging \
  --target-slot production

# Confirm production đang chạy v2
curl -s "https://${APP_NAME}.azurewebsites.net" | grep Version

# Rollback: swap ngược lại nếu cần
# az webapp deployment slot swap \
#   --name $APP_NAME \
#   --resource-group rg-hoatranlab-lab17 \
#   --slot staging \
#   --target-slot production