variable "name" {
  type = string
}

variable "image" {
  type = string
}

variable "replicas" {
  type    = number
  default = 1
}

variable "expose_ports" {
  type    = list(number)
  default = []
}

variable "host_ports" {
  type = list(object({
    host_port      = number
    container_port = number
  }))
  default = []
}

resource "kubernetes_deployment" "simple-service" {
  metadata {
    name = var.name
    labels = {
      app = var.name,
    }
  }

  spec {
    replicas = var.replicas

    selector {
      match_labels = {
        app = var.name,
      }
    }

    template {
      metadata {
        labels = {
          app = var.name,
        }
      }

      spec {
        container {
          name  = var.name
          image = var.image

          dynamic "port" {
            for_each = toset(var.expose_ports)
            content {
              container_port = port.key
            }
          }

          dynamic "port" {
            for_each = toset(var.host_ports)
            content {
              host_port      = port.key.host_port
              container_port = port.key.container_port
            }
          }
        }
      }
    }
  }
}