variable "tls_secret_name" {
  type      = string
  sensitive = true
}
data "vault_kv_secret_v2" "secrets" {
  mount = "secret"
  name  = "immich"
}

locals {
  homepage_credentials = jsondecode(data.vault_kv_secret_v2.secrets.data["homepage_credentials"])
}


variable "immich_version" {
  type = string
  # Change me to upgrade
  default = "v2.5.6"
}
variable "nfs_server" { type = string }
variable "redis_host" { type = string }


module "tls_secret" {
  source          = "../../modules/kubernetes/setup_tls_secret"
  namespace       = kubernetes_namespace.immich.metadata[0].name
  tls_secret_name = var.tls_secret_name
}

# NFS volumes for immich-server
module "nfs_backups" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-backups"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/immich/backups"
}

module "nfs_encoded_video" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-encoded-video"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/immich/encoded-video"
}

module "nfs_library" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-library"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/immich/library"
}

module "nfs_profile" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-profile"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/immich/profile"
}

module "nfs_thumbs" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-thumbs"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/ssd/immich/thumbs"
}

module "nfs_upload" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-upload"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/immich/upload"
}

# NFS volume for immich-postgresql (shared with backup cronjob)
module "nfs_postgresql" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-postgresql-data"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/immich/data-immich-postgresql"
}

# NFS volume for immich-machine-learning cache
module "nfs_ml_cache" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "immich-ml-cache"
  namespace  = kubernetes_namespace.immich.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/ssd/immich/machine-learning"
}

resource "kubernetes_namespace" "immich" {
  metadata {
    name = "immich"
    labels = {
      tier = local.tiers.gpu
    }
  }
}

resource "kubernetes_manifest" "external_secret" {
  manifest = {
    apiVersion = "external-secrets.io/v1beta1"
    kind       = "ExternalSecret"
    metadata = {
      name      = "immich-secrets"
      namespace = "immich"
    }
    spec = {
      refreshInterval = "15m"
      secretStoreRef = {
        name = "vault-kv"
        kind = "ClusterSecretStore"
      }
      target = {
        name = "immich-secrets"
      }
      dataFrom = [{
        extract = {
          key = "immich"
        }
      }]
    }
  }
  depends_on = [kubernetes_namespace.immich]
}

resource "kubernetes_deployment" "immich_server" {
  metadata {
    name      = "immich-server"
    namespace = kubernetes_namespace.immich.metadata[0].name

    labels = {
      app  = "immich-server"
      tier = local.tiers.gpu
    }
    annotations = {
      "reloader.stakater.com/search" = "true"
    }
  }

  lifecycle {
    ignore_changes = [
      spec[0].template[0].spec[0].dns_config,
    ]
  }

  spec {
    replicas                  = 1
    progress_deadline_seconds = 600

    selector {
      match_labels = {
        app = "immich-server"
      }
    }

    strategy {
      type = "RollingUpdate"
    }

    template {
      metadata {
        labels = {
          app = "immich-server"
        }
        annotations = {
          "diun.enable"                = "true"
          "diun.include_tags"          = "^\\d+\\.\\d+\\.\\d+$"
          "reloader.stakater.com/auto" = "true"
        }
      }

      spec {
        container {
          name  = "immich-server"
          image = "ghcr.io/immich-app/immich-server:${var.immich_version}"

          port {
            name           = "http"
            container_port = 2283
            protocol       = "TCP"
          }

          env {
            name  = "DB_DATABASE_NAME"
            value = "immich"
          }
          env {
            name  = "DB_HOSTNAME"
            value = "immich-postgresql.immich.svc.cluster.local"
          }
          env {
            name  = "DB_USERNAME"
            value = "immich"
          }
          env {
            name = "DB_PASSWORD"
            value_from {
              secret_key_ref {
                name = "immich-secrets"
                key  = "db_password"
              }
            }
          }
          env {
            name  = "IMMICH_MACHINE_LEARNING_URL"
            value = "http://immich-machine-learning:3003"
          }
          env {
            name  = "REDIS_HOSTNAME"
            value = var.redis_host
          }

          liveness_probe {
            http_get {
              path = "/api/server/ping"
              port = "http"
            }
            initial_delay_seconds = 0
            period_seconds        = 10
            timeout_seconds       = 1
            failure_threshold     = 3
            success_threshold     = 1
          }

          readiness_probe {
            http_get {
              path = "/api/server/ping"
              port = "http"
            }
            period_seconds    = 10
            timeout_seconds   = 1
            failure_threshold = 3
            success_threshold = 1
          }

          startup_probe {
            http_get {
              path = "/api/server/ping"
              port = "http"
            }
            period_seconds    = 10
            timeout_seconds   = 1
            failure_threshold = 30
            success_threshold = 1
          }

          # volume_mount {
          #   name       = "library-old"
          #   mount_path = "/usr/src/app/upload"
          # }

          # Mount them 1 by 1 to enable thumbs in ssd
          volume_mount {
            name       = "backups"
            mount_path = "/usr/src/app/upload/backups"
          }
          volume_mount {
            name       = "encoded-video"
            mount_path = "/usr/src/app/upload/encoded-video"
          }
          volume_mount {
            name       = "library"
            mount_path = "/usr/src/app/upload/library"
          }
          volume_mount {
            name       = "profile"
            mount_path = "/usr/src/app/upload/profile"
          }
          volume_mount {
            name       = "thumbs"
            mount_path = "/usr/src/app/upload/thumbs"
          }
          volume_mount {
            name       = "upload"
            mount_path = "/usr/src/app/upload/upload"
          }
          resources {
            requests = {
              cpu    = "100m"
              memory = "512Mi"
            }
            limits = {
              memory = "1Gi"
            }
          }
        }

        # volume {
        #   name = "library-old"
        #   nfs {
        #     server = var.nfs_server
        #     path   = "/mnt/main/immich/immich/"
        #   }
        # }

        volume {
          name = "backups"
          persistent_volume_claim {
            claim_name = module.nfs_backups.claim_name
          }
        }
        volume {
          name = "encoded-video"
          persistent_volume_claim {
            claim_name = module.nfs_encoded_video.claim_name
          }
        }
        volume {
          name = "library"
          persistent_volume_claim {
            claim_name = module.nfs_library.claim_name
          }
        }
        volume {
          name = "profile"
          persistent_volume_claim {
            claim_name = module.nfs_profile.claim_name
          }
        }
        volume {
          name = "thumbs"
          persistent_volume_claim {
            claim_name = module.nfs_thumbs.claim_name
          }
        }
        volume {
          name = "upload"
          persistent_volume_claim {
            claim_name = module.nfs_upload.claim_name
          }
        }
      }
    }
  }
}

resource "kubernetes_service" "immich-server" {
  metadata {
    name      = "immich-server"
    namespace = kubernetes_namespace.immich.metadata[0].name
    labels = {
      "app" = "immich-server"
    }
  }

  spec {
    selector = {
      app = "immich-server"
    }
    port {
      port = 2283
    }
  }
}

resource "kubernetes_deployment" "immich-postgres" {
  metadata {
    name      = "immich-postgresql"
    namespace = kubernetes_namespace.immich.metadata[0].name
    labels = {
      tier = local.tiers.gpu
    }
    annotations = {
      "reloader.stakater.com/search" = "true"
    }
  }

  lifecycle {
    ignore_changes = [
      spec[0].template[0].spec[0].dns_config,
    ]
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = "immich-postgresql"
      }
    }
    strategy {
      type = "Recreate"
    }
    template {
      metadata {
        labels = {
          app = "immich-postgresql"
        }
      }
      spec {
        container {
          image = "ghcr.io/immich-app/postgres:15-vectorchord0.3.0-pgvectors0.2.0"
          name  = "immich-postgresql"
          port {
            container_port = 5432
            protocol       = "TCP"
            name           = "postgresql"
          }
          env {
            name = "POSTGRES_PASSWORD"
            value_from {
              secret_key_ref {
                name = "immich-secrets"
                key  = "db_password"
              }
            }
          }
          env {
            name  = "POSTGRES_USER"
            value = "immich"
          }
          env {
            name  = "POSTGRES_DB"
            value = "immich"
          }
          env {
            name  = "DB_STORAGE_TYPE"
            value = "HDD"
          }
          volume_mount {
            name       = "postgresql-persistent-storage"
            mount_path = "/var/lib/postgresql/data"
          }
          resources {
            requests = {
              cpu    = "50m"
              memory = "512Mi"
            }
            limits = {
              memory = "512Mi"
            }
          }
        }
        volume {
          name = "postgresql-persistent-storage"
          persistent_volume_claim {
            claim_name = module.nfs_postgresql.claim_name
          }
        }
      }
    }
  }
}


resource "kubernetes_service" "immich-postgresql" {
  metadata {
    name      = "immich-postgresql"
    namespace = kubernetes_namespace.immich.metadata[0].name
    labels = {
      "app" = "immich-postgresql"
    }
  }

  spec {
    selector = {
      app = "immich-postgresql"
    }
    port {
      port = 5432
    }
  }
}


# If you're having issuewith typesens container exiting prematurely, increase liveliness check
# resource "helm_release" "immich" {
#  namespace = kubernetes_namespace.immich.metadata[0].name
#   name      = "immich"

#   repository = "https://immich-app.github.io/immich-charts"
#   chart      = "immich"
#   atomic     = true
#   version    = "0.9.3"
#   timeout    = 6000

#   values = [templatefile("${path.module}/chart_values.tpl", { postgresql_password = data.vault_kv_secret_v2.secrets.data["db_password"], version = var.immich_version })]
# }

# The helm one cannot be customized to use affinity settings to use the gpu node
resource "kubernetes_deployment" "immich-machine-learning" {
  metadata {
    name      = "immich-machine-learning"
    namespace = kubernetes_namespace.immich.metadata[0].name
    labels = {
      tier = local.tiers.gpu
    }
  }

  lifecycle {
    ignore_changes = [
      spec[0].template[0].spec[0].dns_config,
    ]
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = "immich-machine-learning"
      }
    }
    strategy {
      type = "RollingUpdate"
    }
    template {
      metadata {
        labels = {
          app = "immich-machine-learning"
        }
      }
      spec {
        node_selector = {
          "gpu" : "true"
        }
        toleration {
          key      = "nvidia.com/gpu"
          operator = "Equal"
          value    = "true"
          effect   = "NoSchedule"
        }
        container {
          # image = "ghcr.io/immich-app/immich-machine-learning:${var.immich_version}"
          image = "ghcr.io/immich-app/immich-machine-learning:${var.immich_version}-cuda"
          name  = "immich-machine-learning"
          port {
            container_port = 3003
            protocol       = "TCP"
            name           = "immich-ml"
          }
          env {
            name  = "MACHINE_LEARNING_MODEL_TTL"
            value = "0"
          }
          env {
            name  = "TRANSFORMERS_CACHE"
            value = "/cache"
          }
          env {
            name  = "HF_XET_CACHE"
            value = "/cache/huggingface-xet"
          }
          env {
            name  = "MPLCONFIGDIR"
            value = "/cache/matplotlib-config"
          }
          # Preload CLIP models (for smart search)
          env {
            name  = "MACHINE_LEARNING_PRELOAD__CLIP__TEXTUAL"
            value = "ViT-B-16-SigLIP2__webli"
          }
          env {
            name  = "MACHINE_LEARNING_PRELOAD__CLIP__VISUAL"
            value = "ViT-B-16-SigLIP2__webli"
          }
          # Preload facial recognition models
          env {
            name  = "MACHINE_LEARNING_PRELOAD__FACIAL_RECOGNITION__DETECTION"
            value = "buffalo_l"
          }
          env {
            name  = "MACHINE_LEARNING_PRELOAD__FACIAL_RECOGNITION__RECOGNITION"
            value = "buffalo_l"
          }

          volume_mount {
            name       = "cache"
            mount_path = "/cache"
          }
          resources {
            requests = {
              cpu    = "100m"
              memory = "3584Mi"
            }
            limits = {
              memory           = "3584Mi"
              "nvidia.com/gpu" = "1"
            }
          }
          liveness_probe {
            http_get {
              path = "/ping"
              port = 3003
            }
            initial_delay_seconds = 30
            period_seconds        = 30
            timeout_seconds       = 5
            failure_threshold     = 5
          }
          readiness_probe {
            http_get {
              path = "/ping"
              port = 3003
            }
            initial_delay_seconds = 15
            period_seconds        = 30
            timeout_seconds       = 5
            failure_threshold     = 3
          }
        }
        volume {
          name = "cache"
          persistent_volume_claim {
            claim_name = module.nfs_ml_cache.claim_name
          }
        }
      }
    }
  }
}

resource "kubernetes_service" "immich-machine-learning" {
  metadata {
    name      = "immich-machine-learning"
    namespace = kubernetes_namespace.immich.metadata[0].name
    labels = {
      "app" = "immich-machine-learning"
    }
  }

  spec {
    selector = {
      app = "immich-machine-learning"
    }
    port {
      port = 3003
    }
  }
}

module "ingress-immich" {
  source                  = "../../modules/kubernetes/ingress_factory"
  namespace               = kubernetes_namespace.immich.metadata[0].name
  name                    = "immich"
  service_name            = "immich-server"
  port                    = 2283
  tls_secret_name         = var.tls_secret_name
  rybbit_site_id          = "35eedb7a3d2b"
  skip_default_rate_limit = true
  extra_middlewares       = ["traefik-immich-rate-limit@kubernetescrd"]
  extra_annotations = {
    "gethomepage.dev/enabled"        = "true"
    "gethomepage.dev/description"    = "Photos library"
    "gethomepage.dev/icon"           = "immich.png"
    "gethomepage.dev/name"           = "Immich"
    "gethomepage.dev/group"          = "Media & Entertainment"
    "gethomepage.dev/widget.type"    = "immich"
    "gethomepage.dev/widget.url"     = "http://immich-server.immich.svc.cluster.local:2283"
    "gethomepage.dev/widget.version" = "2"
    "gethomepage.dev/pod-selector"   = ""
    "gethomepage.dev/widget.key"     = local.homepage_credentials["immich"]["token"]
  }
}


resource "kubernetes_cron_job_v1" "postgresql-backup" {
  metadata {
    name      = "postgresql-backup"
    namespace = kubernetes_namespace.immich.metadata[0].name
  }
  spec {
    concurrency_policy        = "Replace"
    failed_jobs_history_limit = 5
    schedule                  = "0 0 * * *"
    # schedule                      = "* * * * *"
    starting_deadline_seconds     = 10
    successful_jobs_history_limit = 10
    job_template {
      metadata {}
      spec {
        backoff_limit              = 3
        ttl_seconds_after_finished = 10
        template {
          metadata {}
          spec {
            container {
              name  = "postgresql-backup"
              image = "postgres:16.4-bullseye"
              command = ["/bin/sh", "-c", <<-EOT
                export now=$(date +"%Y_%m_%d_%H_%M")
                pg_dumpall  -h immich-postgresql -U immich > /backup/dump_$now.sql

                # Rotate - delete last log file
                cd /backup
                find . -name "dump_*.sql" -type f -mtime +14 -delete # 14 day retention of backups
              EOT
              ]
              env {
                name = "PGPASSWORD"
                value_from {
                  secret_key_ref {
                    name = "immich-secrets"
                    key  = "db_password"
                  }
                }
              }
              volume_mount {
                name       = "postgresql-backup"
                mount_path = "/backup"
              }
            }
            volume {
              name = "postgresql-backup"
              persistent_volume_claim {
                claim_name = module.nfs_postgresql.claim_name
              }
            }
          }
        }
      }
    }
  }
}

# POWER TOOLS

# resource "kubernetes_deployment" "powertools" {
#   metadata {
#     name      = "immich-powertools"
#    namespace = kubernetes_namespace.immich.metadata[0].name
#     labels = {
#       app = "immich-powertools"
#     }
#     annotations = {
#       "reloader.stakater.com/search" = "true"
#     }
#   }
#   spec {
#     replicas = 1
#     strategy {
#       type = "Recreate"
#     }
#     selector {
#       match_labels = {
#         app = "immich-powertools"
#       }
#     }
#     template {
#       metadata {
#         labels = {
#           app = "immich-powertools"
#         }
#         annotations = {
#           "diun.enable"       = "true"
#           "diun.include_tags" = "latest"
#         }
#       }
#       spec {

#         container {
#           image = "ghcr.io/varun-raj/immich-power-tools:latest"
#           name  = "owntracks"
#           port {
#             name           = "http"
#             container_port = 3000
#           }
#           env {
#             name  = "IMMICH_API_KEY"
#             value = "<change me>"
#           }
#           env {
#             name = "IMMICH_URL"
#             value = "http://immich-server.immich.svc.cluster.local"
#           }
#           env {
#             name  = "EXTERNAL_IMMICH_URL"
#             value = "https://immich.viktorbarzin.me"
#           }
#           env {
#             name  = "DB_USERNAME"
#             value = "immich"
#           }
#           env {
#             name  = "DB_PASSWORD"
#             value = data.vault_kv_secret_v2.secrets.data["db_password"]
#           }
#           env {
#             name = "DB_HOST"
#             value = "immich-postgresql.immich.svc.cluster.local"
#           }
#           # env {
#           #   name  = "DB_PORT"
#           #   value = "5432"
#           # }
#           env {
#             name  = "DB_DATABASE_NAME"
#             value = "immich"
#           }
#           env {
#             name  = "NODE_ENV"
#             value = "development"
#           }

#         }
#       }
#     }
#   }
# }


# resource "kubernetes_service" "powertools" {
#   metadata {
#     name      = "immich-powertools"
#    namespace = kubernetes_namespace.immich.metadata[0].name
#     labels = {
#       "app" = "immich-powertools"
#     }
#   }

#   spec {
#     selector = {
#       app = "immich-powertools"
#     }
#     port {
#       name        = "http"
#       port        = 80
#       target_port = 3000
#       protocol    = "TCP"
#     }
#   }
# }

# module "ingress-powertools" {
#   source          = "../../modules/kubernetes/ingress_factory"
#  namespace = kubernetes_namespace.immich.metadata[0].name
#   name            = "immich-powertools"
#   tls_secret_name = var.tls_secret_name
#   protected       = true
# }