# Open WebUI — chat interface for Ollama with image generation
resource "kubernetes_namespace" "webui" {
  metadata {
    name = "webui"
    labels = {
      managed-by = "terraform"
      tier       = "application"
    }
  }
}

resource "kubernetes_persistent_volume_claim" "webui_data" {
  metadata {
    name      = "webui-data"
    namespace = kubernetes_namespace.webui.metadata[0].name
  }

  spec {
    access_modes = ["ReadWriteOnce"]
    resources {
      requests = {
        storage = "5Gi"
      }
    }
  }
}

resource "kubernetes_deployment" "open_webui" {
  metadata {
    name      = "open-webui"
    namespace = kubernetes_namespace.webui.metadata[0].name
    labels = {
      app = "open-webui"
    }
  }

  spec {
    replicas = 1

    selector {
      match_labels = {
        app = "open-webui"
      }
    }

    template {
      metadata {
        labels = {
          app = "open-webui"
        }
      }

      spec {
        container {
          name  = "open-webui"
          image = "ghcr.io/open-webui/open-webui:main"

          port {
            container_port = 8080
          }

          env {
            name  = "OLLAMA_BASE_URL"
            value = "http://ollama.ollama.svc.cluster.local:11434"
          }

          env {
            name  = "AUTOMATIC1111_BASE_URL"
            value = "http://stable-diffusion.stable-diffusion.svc.cluster.local:7860"
          }

          env {
            name  = "ENABLE_IMAGE_GENERATION"
            value = "true"
          }

          volume_mount {
            name       = "data"
            mount_path = "/app/backend/data"
          }

          resources {
            requests = {
              memory = "256Mi"
              cpu    = "100m"
            }
            limits = {
              memory = "1Gi"
              cpu    = "1"
            }
          }
        }

        volume {
          name = "data"
          persistent_volume_claim {
            claim_name = kubernetes_persistent_volume_claim.webui_data.metadata[0].name
          }
        }
      }
    }
  }
}

resource "kubernetes_service" "open_webui" {
  metadata {
    name      = "open-webui"
    namespace = kubernetes_namespace.webui.metadata[0].name
  }

  spec {
    selector = {
      app = "open-webui"
    }

    port {
      port        = 8080
      target_port = 8080
      node_port   = 30080
    }

    type = "NodePort"
  }
}