variable "service_name" {
  description = "Service name for consistent naming"
  type        = string
  default     = "iobj"
}

variable "image_tag" {
  description = "Docker image tag — override in CI with commit SHA: -var=\"image_tag=$SHA\""
  type        = string
  default     = "latest"
}

job "iobj" {
  region      = "global"
  datacenters = ["dc1"]
  type        = "service"

  meta {
    uuid         = uuidv4()
    deployed_at  = "[[ timeNowUTC ]]"
    service_name = var.service_name
  }

  update {
    stagger           = "30s"
    max_parallel      = 1
    auto_revert       = true
    progress_deadline = "25m"
  }

  group "iobj-group" {
    count = 1

    # Deploy specifically on the 'autobox.i80.dk' node (same host as DevOpsMCP)
    constraint {
      attribute = "${node.unique.name}"
      value     = "autobox.i80.dk"
    }

    # Zero-downtime update: canary ensures new alloc is healthy before old one stops
    update {
      canary            = 1
      auto_promote       = true
      min_healthy_time  = "15s"
      healthy_deadline  = "20m"
      progress_deadline = "25m"
      auto_revert       = true
    }

    network {
      port "http" {}
    }

    reschedule {
      attempts       = 5
      interval       = "10m"
      delay          = "30s"
      delay_function = "exponential"
      max_delay      = "120s"
      unlimited      = false
    }

    volume "iobj-data" {
      type      = "host"
      source    = "iobj-data"
      read_only = false
    }

    service {
      provider = "consul"
      name     = var.service_name
      port     = "http"

      tags = [
        "traefik.enable=true",
        "traefik.http.routers.${var.service_name}.rule=Host(`${var.service_name}.i80.dk`)",
        "traefik.http.routers.${var.service_name}.tls=true",
      ]

      check {
        name     = "http_health_check"
        type     = "http"
        port     = "http"
        path     = "/health"
        interval = "10s"
        timeout  = "5s"
      }
    }

    task "iobj-task" {
      driver = "docker"

      config {
        image      = "registry.i80.dk/gitea/iobj:${var.image_tag}"
        ports      = ["http"]
        force_pull = true
        auth {
          username = "robot$gitserver"
          password = "${HARBOR_ROBOT_TOKEN}"
        }
      }

      restart {
        attempts = 10
        interval = "10m"
        delay    = "15s"
        mode     = "fail"
      }

      volume_mount {
        volume      = "iobj-data"
        destination = "/app/data"
        read_only   = false
      }

      env {
        PYTHONUNBUFFERED = "1"
        PORT             = "${NOMAD_PORT_http}"
        IOBJ_DATA_DIR    = "/app/data"
      }

      # Registry auth + API token, both loaded from Consul KV
      template {
        data = <<EOH
HARBOR_ROBOT_TOKEN="{{ key "harbor/robot/token" }}"
EOH
        destination = "secrets/registry.env"
        env         = true
      }

      # NOTE: auth is disabled (open API) until "iobj/api/token" is set in Consul KV.
      # Set it before going live: consul kv put iobj/api/token "<random-token>"
      template {
        data = <<EOH
IOBJ_API_TOKEN="{{ keyOrDefault "iobj/api/token" "" }}"
EOH
        destination = "secrets/iobj.env"
        env         = true
      }

      resources {
        cpu        = 200  # MHz
        memory     = 128  # MB
        memory_max = 256  # MB
      }
    }
  }
}