main.tf

# Simple Terraform Module - Main Configuration
# This module demonstrates best practices for a basic Terraform module

# Local values for data processing and combination
locals {
  # Combine the input variables into meaningful outputs
  full_name = "${var.project_name}-${var.environment}"

  # Create a standardized resource naming convention
  resource_prefix = lower(replace(local.full_name, " ", "-"))

  # Combine tags from multiple sources
  common_tags = merge(
    var.default_tags,
    {
      Environment = var.environment
      Project     = var.project_name
      ManagedBy   = "terraform"
      CreatedDate = formatdate("YYYY-MM-DD", timestamp())
    }
  )

  # Process the string list into a formatted string
  processed_items = join(", ", [for item in var.string_list : upper(item)])
}

# Example resource using the processed values
resource "random_id" "example" {
  keepers = {
    project     = var.project_name
    environment = var.environment
  }

  byte_length = 8
}

# Example of conditional resource creation
resource "random_pet" "conditional" {
  count = var.enable_random_pet ? 1 : 0

  length    = var.pet_length
  separator = var.pet_separator
}