variable "aws_profile" {
  description = "Profil AWS a utiliser"
  type        = string
  default     = "ecole"
}

variable "aws_region" {
  description = "Region AWS de deploiement"
  type        = string
  default     = "eu-west-3"

  validation {
    condition     = can(regex("^eu-west-3$", var.aws_region))
    error_message = "La region doit etre eu-west-3."
  }
}

variable "owner" {
  description = "Identifiant du proprietaire des ressources (tag Owner)"
  type        = string
  default     = "johan.leroy2023"

  validation {
    condition     = length(var.owner) > 0
    error_message = "Le owner ne peut pas etre vide."
  }
}

variable "course_id" {
  description = "Identifiant du cours (tag CourseId)"
  type        = string
  default     = "cours-tf-aws-s14"

  validation {
    condition     = length(var.course_id) > 0
    error_message = "Le CourseId ne peut pas etre vide."
  }
}

variable "trigramme" {
  description = "Trigramme pour prefixer les ressources"
  type        = string
  default     = "jle"

  validation {
    condition     = can(regex("^[a-z]{3}$", var.trigramme))
    error_message = "Le trigramme doit etre compose de 3 lettres minuscules."
  }
}

variable "vpc_cidr" {
  description = "CIDR du VPC"
  type        = string
  default     = "10.0.0.0/16"

  validation {
    condition     = can(cidrhost(var.vpc_cidr, 0))
    error_message = "Le CIDR du VPC doit etre un bloc CIDR valide."
  }
}

variable "subnets" {
  description = "Map des sous-reseaux avec name et cidr"
  type = map(object({
    name = string
    cidr = string
  }))
  default = {
    subnet1 = {
      name = "subnet-1"
      cidr = "10.0.1.0/24"
    }
    subnet2 = {
      name = "subnet-2"
      cidr = "10.0.2.0/24"
    }
  }
}

variable "instances" {
  description = "Map des instances EC2 avec ami, type et subnet"
  type = map(object({
    ami           = string
    instance_type = string
    subnet_key    = string
  }))
  default = {
    ubuntu = {
      ami           = "ami-03638fc4f87bac487"
      instance_type = "t3.micro"
      subnet_key    = "subnet1"
    }
    amazon_linux = {
      ami           = "ami-063039a3666cc5ce3"
      instance_type = "t3.micro"
      subnet_key    = "subnet2"
    }
  }
}

variable "root_volume_size" {
  description = "Taille du disque racine en Go (max 30)"
  type        = number
  default     = 30

  validation {
    condition     = var.root_volume_size > 0 && var.root_volume_size <= 30
    error_message = "La taille du disque doit etre entre 1 et 30 Go."
  }
}

variable "ebs_volume_size" {
  description = "Taille du volume EBS additionnel en Go"
  type        = number
  default     = 10
}