variables.tf

# Input Variables - Define the module's interface
# Following Terraform best practices for variable definitions
# This code was generated using GitHub Copilot AI

variable "project_name" {
  description = "Name of the project. Used for resource naming and tagging."
  type        = string
  default     = "CASE NIGHTMARE GREEN"

  validation {
    condition     = length(var.project_name) > 0 && length(var.project_name) <= 50
    error_message = "Project name must be between 1 and 50 characters."
  }
}

variable "environment" {
  description = "Environment name (e.g., dev, staging, prod). Used for resource naming and tagging."
  type        = string

  validation {
    condition = contains([
      "dev", "development",
      "test", "testing",
      "stage", "staging",
      "prod", "production"
    ], var.environment)
    error_message = "Environment must be one of: dev, development, test, testing, stage, staging, prod, production."
  }
}

variable "string_list" {
  description = "List of strings to be processed and combined in outputs."
  type        = list(string)
  default     = ["item1", "item2", "item3"]

  validation {
    condition     = length(var.string_list) > 0
    error_message = "String list must contain at least one item."
  }
}

variable "default_tags" {
  description = "Default tags to apply to all resources. Will be merged with automatically generated tags."
  type        = map(string)
  default = {
    Terraform = "true"
    Module    = "simple-tf-module"
  }
}

variable "enable_random_pet" {
  description = "Whether to create a random pet resource. Demonstrates conditional resource creation."
  type        = bool
  default     = true
}

variable "pet_length" {
  description = "Number of words in the random pet name when enabled."
  type        = number
  default     = 2

  validation {
    condition     = var.pet_length >= 1 && var.pet_length <= 4
    error_message = "Pet length must be between 1 and 4 words."
  }
}

variable "pet_separator" {
  description = "Separator to use between words in the random pet name."
  type        = string
  default     = "-"

  validation {
    condition     = contains(["-", "_", ".", ""], var.pet_separator)
    error_message = "Pet separator must be one of: '-', '_', '.', or '' (empty string)."
  }
}

variable "prefix" {
  description = "Prefix for resource naming. Should be lowercase and hyphenated."
  type        = string

  validation {
    condition     = can(regex("^[a-z0-9-]+$", var.prefix))
    error_message = "Prefix must be lowercase, alphanumeric, and hyphenated."
  }

}

variable "resource_group_name" {
  description = "The name of the resource group where resources will be created."
  type        = string
  default     = "default-resource-group"

  validation {
    condition     = can(regex("^[a-zA-Z0-9-]+$", var.resource_group_name))
    error_message = "Resource group name must be alphanumeric and hyphenated."
  }

}