variable "image_tag" {
  type        = string
  default     = "7c01448d"
  description = "priority-pass image tag (applies to both frontend + backend). Use 8-char git SHA in CI; :latest only for local trials."
}

variable "tls_secret_name" {
  type      = string
  sensitive = true
}

locals {
  frontend_image = "docker.io/viktorbarzin/priority-pass-frontend:${var.image_tag}"
  backend_image  = "docker.io/viktorbarzin/priority-pass-backend:${var.image_tag}"
}

resource "kubernetes_namespace" "priority-pass" {
  metadata {
    name = "priority-pass"
    labels = {
      "istio-injection" = "disabled"
      tier              = local.tiers.aux
    }
  }
  lifecycle {
    # KYVERNO_LIFECYCLE_V1: goldilocks-vpa-auto-mode ClusterPolicy stamps this label on every namespace
    ignore_changes = [metadata[0].labels["goldilocks.fairwinds.com/vpa-update-mode"]]
  }
}

module "tls_secret" {
  source          = "../../modules/kubernetes/setup_tls_secret"
  namespace       = "priority-pass"
  tls_secret_name = var.tls_secret_name
}

resource "kubernetes_persistent_volume_claim" "uploads" {
  wait_until_bound = false
  metadata {
    name      = "priority-pass-uploads"
    namespace = kubernetes_namespace.priority-pass.metadata[0].name
    annotations = {
      "resize.topolvm.io/threshold"     = "80%"
      "resize.topolvm.io/increase"      = "100%"
      "resize.topolvm.io/storage_limit" = "10Gi"
    }
  }
  spec {
    access_modes       = ["ReadWriteOnce"]
    storage_class_name = "proxmox-lvm-encrypted"
    resources {
      requests = { storage = "1Gi" }
    }
  }
}

resource "kubernetes_deployment" "priority-pass" {
  metadata {
    name      = "priority-pass"
    namespace = "priority-pass"
    labels = {
      run  = "priority-pass"
      tier = local.tiers.aux
    }
  }
  spec {
    replicas = 1
    strategy {
      type = "Recreate"
    }
    selector {
      match_labels = {
        run = "priority-pass"
      }
    }
    template {
      metadata {
        labels = {
          run = "priority-pass"
        }
      }
      spec {
        image_pull_secrets {
          name = "registry-credentials"
        }
        volume {
          name = "uploads"
          persistent_volume_claim {
            claim_name = kubernetes_persistent_volume_claim.uploads.metadata[0].name
          }
        }
        container {
          name  = "frontend"
          image = local.frontend_image
          port {
            container_port = 3000
          }
          env {
            name  = "BACKEND_URL"
            value = "http://127.0.0.1:8000"
          }
          env {
            name  = "ORIGIN"
            value = "https://priority-pass.viktorbarzin.me"
          }
          resources {
            limits = {
              memory = "128Mi"
            }
            requests = {
              cpu    = "10m"
              memory = "128Mi"
            }
          }
        }
        container {
          name  = "backend"
          image = local.backend_image
          port {
            container_port = 8000
          }
          env {
            name  = "UPLOAD_DIR"
            value = "/data/uploads"
          }
          volume_mount {
            name       = "uploads"
            mount_path = "/data/uploads"
          }
          resources {
            limits = {
              memory = "512Mi"
            }
            requests = {
              cpu    = "10m"
              memory = "512Mi"
            }
          }
        }
      }
    }
  }
  lifecycle {
    ignore_changes = [spec[0].template[0].spec[0].dns_config] # KYVERNO_LIFECYCLE_V1
  }
}

resource "kubernetes_service" "priority-pass" {
  metadata {
    name      = "priority-pass"
    namespace = "priority-pass"
    labels = {
      run = "priority-pass"
    }
  }
  spec {
    selector = {
      run = "priority-pass"
    }
    port {
      name        = "http"
      port        = 80
      target_port = 3000
    }
  }
}

module "ingress" {
  source          = "../../modules/kubernetes/ingress_factory"
  dns_type        = "proxied"
  namespace       = "priority-pass"
  name            = "priority-pass"
  tls_secret_name = var.tls_secret_name
  protected       = true
  max_body_size   = "10m"
}