terraform {
  required_version = ">= 1.5.0"
  required_providers {
    google = {
      source  = "hashicorp/google"
      version = "7.10.0"
    }
  }
}

variable "project_id" {
  type = string
}

variable "instances" {
  type = map(object({ name = string, zone = string }))
}

provider "google" {
  project = var.project_id
  region  = "us-central1"
}

resource "google_compute_resource_policy" "workday" {
  name   = "workday-schedule"
  region = "us-central1"
  instance_schedule_policy {
    time_zone = "Europe/Amsterdam"
    vm_start_schedule {
      schedule = "0 8 * * 1-5"
    }
    vm_stop_schedule {
      schedule = "0 18 * * 1-5"
    }
  }
}

resource "google_compute_resource_policy_attachment" "scheduled" {
  for_each = var.instances
  name     = google_compute_resource_policy.workday.name
  instance = each.value.name
  zone     = each.value.zone
}