variable "project_id" {
  type = string
}

variable "name" {
  type = string

  validation {
    condition     = length(regexall("^[a-z]([-a-z0-9]*[a-z0-9])?$", var.name)) > 0
    error_message = <<EOT
      The name must be a valid DNS-1035 label:
      - only lower-case letters, digits or '-'
      - must start with a letter
      - must end with a letter or digit
      EOT
  }
}

variable "instance_id" {
  type    = string
  default = ""
}

variable "ver" {
  type = number
}

variable "flavor" {
  type = object({
    cpu = number,
    ram = number
  })
}

variable "storage" {
  type = object({
    class = string,
    size  = number
  })
}

variable "replicas" {
  type = number
}

variable "acl" {
  type = list(string)
}

variable "backup_schedule" {
  type = string

}

variable "users" {
  type = list(object({
    username = string
    roles    = set(string)
  }))
  default = []
  validation {
    condition     = alltrue([
      for user in var.users : user.username != "admin"
    ])
    error_message = "The username 'admin' is reserved and cannot be used."
  }
}

variable "databases" {
  type = list(object({
    name  = string
    owner = string
  }))
  default = []
    validation {
    condition = alltrue([
      for db in var.databases : length(regexall("^[a-z]([-a-z0-9]*[a-z0-9])?$", db.name)) > 0
    ])
    error_message = <<EOT
      The name must be a valid DNS-1035 label:
      - only lower-case letters, digits or '-'
      - must start with a letter
      - must end with a letter or digit
      EOT
  }
}