/**
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

variable "bucket_config" {
  description = "Enable and configure auto-created bucket. Set fields to null to use defaults."
  type = object({
    location             = string
    lifecycle_delete_age = number
  })
  default = null
}

variable "bucket_name" {
  description = "Name of the bucket that will be used for the function code. It will be created with prefix prepended if bucket_config is not null."
  type        = string
}

variable "bundle_config" {
  description = "Cloud function source folder and generated zip bundle paths. Output path defaults to '/tmp/bundle.zip' if null."
  type = object({
    source_dir  = string
    output_path = string
    excludes    = list(string)
  })
}

variable "description" {
  description = "Optional description."
  type        = string
  default     = "Terraform managed."
}

variable "environment_variables" {
  description = "Cloud function environment variables."
  type        = map(string)
  default     = {}
}

variable "function_config" {
  description = "Cloud function configuration."
  type = object({
    entry_point = string
    instances   = number
    memory      = number # Memory in MB
    runtime     = string
    timeout     = number
  })
  default = {
    entry_point = "main"
    instances   = 1
    memory      = 256
    runtime     = "python37"
    timeout     = 180
  }
}

variable "iam" {
  description = "IAM bindings for topic in {ROLE => [MEMBERS]} format."
  type        = map(list(string))
  default     = {}
}

variable "ingress_settings" {
  description = "Control traffic that reaches the cloud function. Allowed values are ALLOW_ALL, ALLOW_INTERNAL_AND_GCLB and ALLOW_INTERNAL_ONLY ."
  type        = string
  default     = null
}

variable "labels" {
  description = "Resource labels."
  type        = map(string)
  default     = {}
}

variable "name" {
  description = "Name used for cloud function and associated resources."
  type        = string
}

variable "prefix" {
  description = "Optional prefix used for resource names."
  type        = string
  default     = null
}

variable "project_id" {
  description = "Project id used for all resources."
  type        = string
}

variable "region" {
  description = "Region used for all resources."
  type        = string
  default     = "europe-west1"
}

variable "secrets" {
  description = "Secret Manager secrets. Key is the variable name or mountpoint, volume versions are in version:path format."
  type = map(object({
    is_volume  = bool
    project_id = number
    secret     = string
    versions   = list(string)
  }))
  nullable = false
  default  = {}
}

variable "service_account" {
  description = "Service account email. Unused if service account is auto-created."
  type        = string
  default     = null
}

variable "service_account_create" {
  description = "Auto-create service account."
  type        = bool
  default     = false
}

variable "trigger_config" {
  description = "Function trigger configuration. Leave null for HTTP trigger."
  type = object({
    event    = string
    resource = string
    retry    = bool
  })
  default = null
}

variable "vpc_connector" {
  description = "VPC connector configuration. Set create to 'true' if a new connector needs to be created."
  type = object({
    create          = bool
    name            = string
    egress_settings = string
  })
  default = null
}

variable "vpc_connector_config" {
  description = "VPC connector network configuration. Must be provided if new VPC connector is being created."
  type = object({
    ip_cidr_range = string
    network       = string
  })
  default = null
}

variable "v2" {
  description = "Whether to use Cloud Function version 2nd Gen or 1st Gen."
  type        = bool
  default     = false
}