### Module Main

provider "aws" {
  region = var.aws_region
}

resource "aws_vpc" "main" {
  cidr_block       = var.vpc_cidr

  tags = {
    Name = "${var.vpc_name}-vpc",
    Terraform = true,
    Environment = "production"
  }
}

## Fonction super utile pour le calc de ss réseaux 
# cidrsubnet("172.22.0.0/16",4,iterate_value)

resource "aws_subnet" "private" {
  for_each = var.azs

  vpc_id = aws_vpc.main.id
  cidr_block = cidrsubnet(var.vpc_cidr, 4, each.value)
  availability_zone = "${var.aws_region}${each.key}"

  map_public_ip_on_launch = false

  tags = {
    Name = "${var.vpc_name}-private-${var.aws_region}${each.key}"
  }
}

resource "aws_subnet" "public" {
  for_each = var.azs

  vpc_id = aws_vpc.main.id
  cidr_block = cidrsubnet(var.vpc_cidr, 4, 15 - each.value)
  availability_zone = "${var.aws_region}${each.key}"

  map_public_ip_on_launch = true

  tags = {
    Name = "${var.vpc_name}-public-${var.aws_region}${each.key}"
  }
}