{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "vmSize": {
            "type": "string",
            "defaultValue": "Standard_D2s_v3",
            "metadata": {
                "description": "VM size"
            }
        },
        "vmName": {
            "type": "string",
            "defaultValue": "90day-vm",
            "metadata": {
                "description": "VM name Prefix"
            }
        },
        "vmCount": {
            "type": "int",
            "defaultValue": 4,
            "metadata": {
                "description": "Number of VMs"
            }
        },
        "adminUsername": {
            "type": "string",
            "metadata": {
                "description": "Admin username"
            }
        },
        "adminPassword": {
            "type": "securestring",
            "metadata": {
                "description": "Admin password"
            }
        }
    },
    "variables": {
        "vmExtensionName": "customScriptExtension",
        "nic": "90day-vm-nic",
        "virtualNetworkNames": "[createArray('90day-vm-vnet01','90day-vm-vnet01','90day-vm-vnet2','90day-vm-vnet3')]",
        "virtualNetworkNamestbc": "[createArray('90day-vm-vnet01','90day-vm-vnet2','90day-vm-vnet3')]",
        "VNetPrefixes":"[createArray('10.60','10.62','10.63')]",
        "nsgNames": "[createArray('90day-vm-nsg01','90day-vm-nsg01','90day-vm-nsg2','90day-vm-nsg3')]",
        "nsgNamestbc": "[createArray('90day-vm-nsg01','90day-vm-nsg2','90day-vm-nsg3')]",
        "subnetName": "subnet",
        "subnetRefs": "[createArray(0,1,0,0)]",
        "computeApiVersion": "2018-06-01",
        "networkApiVersion": "2018-08-01"
    },
    "resources": [
        {
            "name": "[concat(parameters('vmName'),copyIndex())]",
            "copy": {
                "name": "VMcopy",
                "count": "[parameters('vmCount')]"
            },
            "type": "Microsoft.Compute/virtualMachines",
            "apiVersion": "[variables('computeApiVersion')]",
            "location": "[resourceGroup().location]",
            "comments": "Creating VMs",
            "dependsOn": [
                "[concat(variables('nic'),copyIndex())]"
            ],
            "properties": {
                "osProfile": {
                    "computerName": "[concat(parameters('vmName'),copyIndex())]",
                    "adminUsername": "[parameters('adminUsername')]",
                    "adminPassword": "[parameters('adminPassword')]",
                    "windowsConfiguration": {
                        "provisionVmAgent": "true"
                    }
                },
                "hardwareProfile": {
                    "vmSize": "[parameters('vmSize')]"
                },
                "storageProfile": {
                    "imageReference": {
                        "publisher": "MicrosoftWindowsServer",
                        "offer": "WindowsServer",
                        "sku": "2019-Datacenter",
                        "version": "latest"
                    },
                    "osDisk": {
                        "createOption": "fromImage"
                    },
                    "dataDisks": []
                },
                "networkProfile": {
                    "networkInterfaces": [
                        {
                            "properties": {
                                "primary": true
                            },
                            "id": "[resourceId('Microsoft.Network/networkInterfaces', concat(variables('nic'),copyIndex()))]"
                        }
                    ]
                }
            }
        },
        {
            "type": "Microsoft.Compute/virtualMachines/extensions",
            "name": "[concat(concat(parameters('vmName'),copyIndex()), '/', variables('vmExtensionName'))]",
            "copy": {
                "name": "Extopy",
                "count": "[parameters('vmCount')]"
            },
            "apiVersion": "[variables('computeApiVersion')]",
            "location": "[resourceGroup().location]",
            "dependsOn": [
                "[concat('Microsoft.Compute/virtualMachines/', concat(parameters('vmName'),copyIndex()))]"
            ],
            "properties": {
                "publisher": "Microsoft.Compute",
                "type": "CustomScriptExtension",
                "typeHandlerVersion": "1.7",
                "autoUpgradeMinorVersion": true,
                "settings": {
                    "commandToExecute": "powershell.exe Install-WindowsFeature -name Web-Server -IncludeManagementTools && powershell.exe remove-item 'C:\\inetpub\\wwwroot\\iisstart.htm' && powershell.exe Add-Content -Path 'C:\\inetpub\\wwwroot\\iisstart.htm' -Value $('Hello World from ' + $env:computername)"
              }
            }
        },
        {
            "type": "Microsoft.Network/virtualNetworks",
            "name": "[variables('virtualNetworkNamestbc')[copyIndex()]]",
            "copy": {
                "name": "VnetCopy",
                "count": "[length(variables('virtualNetworkNamestbc'))]"
            },
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "comments": "Virtual Network",
            "properties": {
                "addressSpace": {
                    "addressPrefixes": [
                        "[concat(variables('VNetPrefixes')[copyIndex()],'.0.0/22')]"
                    ]
                },
                "subnets": [
                    {
                        "name": "[concat(variables('subnetName'),'0')]",
                        "properties": {
                            "addressPrefix": "[concat(variables('VNetPrefixes')[copyIndex()],'.0.0/24')]"
                        }
                    }
                ]
                  
            }
        },
        {   "type": "Microsoft.Network/virtualNetworks/subnets",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "comments": "Virtual Network Subnet for VNet01",
            "name": "90day-vm-vnet01/subnet1",
            "properties": {
                "addressPrefix": "10.60.1.0/24"
            },
            "dependsOn": [
                "Microsoft.Network/virtualNetworks/90day-vm-vnet01"
            ]
        },
        {
            "name": "[concat(variables('nic'),copyIndex())]",
            "copy":{
                "name": "nicCopy",
                "count": "[parameters('vmCount')]"
            },
            "type": "Microsoft.Network/networkInterfaces",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "comments": "Primary NIC",
            "dependsOn": [
                "[variables('nsgNames')[copyindex()]]",
                "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkNames')[copyIndex()])]"
            ],
            "properties": {
                "ipConfigurations": [
                    {
                        "name": "ipconfig1",
                        "properties": {
                            "subnet": {
                                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('virtualNetworkNames')[copyIndex()], concat(variables('subnetName'),variables('subnetRefs')[copyindex()]))]"
                            },
                            "privateIPAllocationMethod": "Dynamic"
                        }
                    }
                ],
                "networkSecurityGroup": {
                    "id": "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgNames')[copyIndex()])]"
                }
            }
        },
        {
            "name": "[variables('nsgNamestbc')[copyIndex()]]",
            "copy": {
                "name": "nsgCopy",
                "count": 3
            },
            "type": "Microsoft.Network/networkSecurityGroups",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "comments": "Network Security Group (NSG) for Primary NIC",
            "properties": {
                "securityRules": [
                    {
                        "name": "default-allow-rdp",
                        "properties": {
                            "priority": 1000,
                            "sourceAddressPrefix": "*",
                            "protocol": "Tcp",
                            "destinationPortRange": "3389",
                            "access": "Allow",
                            "direction": "Inbound",
                            "sourcePortRange": "*",
                            "destinationAddressPrefix": "*"
                        }
                    },
                    {
                        "name": "default-allow-http",
                        "properties": {
                            "priority": 1100,
                            "sourceAddressPrefix": "*",
                            "protocol": "Tcp",
                            "destinationPortRange": "80",
                            "access": "Allow",
                            "direction": "Inbound",
                            "sourcePortRange": "*",
                            "destinationAddressPrefix": "*"
                        }
                    }
                ]
            }
        }
    ],
    "outputs": {}
}