provider "kubernetes" {
  config_path = "~/.kube/config"
}

variable "domain" {
  type = string
}

variable "smtp" {
  type = object({
    host     = string
    username = string
    password = string
    from     = string
  })
}

variable "stoat" {
  type = object({
    subdomain = string
    api = object({
      name    = optional(string, "stoat-api")
      port    = optional(number, 14702)
      image   = string
      version = string
    })
    events = object({
      name    = optional(string, "stoat-events")
      port    = optional(number, 14703)
      image   = string
      version = string
    })
    autumn = object({
      name    = optional(string, "stoat-autumn")
      port    = optional(number, 14704)
      image   = string
      version = string
    })
    january = object({
      name    = optional(string, "stoat-january")
      port    = optional(number, 14705)
      image   = string
      version = string
    })
    gifbox = object({
      name    = optional(string, "stoat-gifbox")
      port    = optional(number, 14706)
      image   = string
      version = string
    })
    pushd = object({
      name    = optional(string, "stoat-pushd")
      image   = string
      version = string
    })
    crond = object({
      name    = optional(string, "stoat-crond")
      image   = string
      version = string
    })
    voice_ingress = object({
      name = optional(string, "stoat-voice-ingress")
      port = optional(number, 8500)
      image = string
      version = string
    })
    web = object({
      name    = optional(string, "stoat-webapp")
      port    = optional(number, 80)
      image   = string
      version = string
    })
  })
}

resource "kubernetes_namespace_v1" "stoat" {
  metadata {
    name = "stoat"
  }
}

resource "kubernetes_config_map_v1" "Revolt" {
  metadata {
    name      = "revolt"
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  data = {
    "Revolt.toml" = templatefile("${path.module}/templates/Revolt.toml.tftpl",
      {
        domain             = var.domain
        hostname           = "${var.stoat.subdomain}.${var.domain}"
        smtp               = var.smtp
        livekit_api_key    = var.livekit.api_key
        livekit_secret_key = random_password.livekit_api_secret.result
        minio_host         = var.minio.app_name
        minio_user         = var.minio.user
        minio_pass         = random_password.minio.result
        mongo_host         = var.mongo.app_name
        rabbit_host        = var.rabbit.app_name
        rabbit_port        = var.rabbit.port
        rabbit_user        = var.rabbit.user
        rabbit_passwd      = random_password.rabbit.result
        redis_host         = var.redis.app_name
    })
    "Caddyfile" = templatefile("${path.module}/templates/Caddyfile.tftpl",
      {
        hostname = "${var.stoat.subdomain}.${var.domain}"
        stoat    = var.stoat
    })
  }
}

resource "kubernetes_config_map_v1" "env_web" {
  metadata {
    name      = "env-web"
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  data = {
    NGINX_HOST = "chat.ruan.fr"
  }
}

resource "kubernetes_ingress_v1" "stoat" {
  metadata {
    name      = "stoat"
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name

    annotations = {
      "cert-manager.io/cluster-issuer" = "letsencrypt"
    }
  }

  spec {
    tls {
      hosts = [
        "${var.stoat.subdomain}.${var.domain}",
        "api.${var.stoat.subdomain}.${var.domain}",
        "file.${var.stoat.subdomain}.${var.domain}",
        "proxy.${var.stoat.subdomain}.${var.domain}",
        "events.${var.stoat.subdomain}.${var.domain}",
        "gifbox.${var.stoat.subdomain}.${var.domain}",
      ]
      secret_name = "stoat-tls"
    }

    rule {
      host = "${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service_v1.stoat_caddy.metadata[0].name
              port {
                number = 80
              }
            }
          }
        }
      }
    }
    rule {
      host = "api.${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service_v1.stoat_api.metadata[0].name
              port {
                number = var.stoat.api.port
              }
            }
          }
        }
      }
    }
    rule {
      host = "events.${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Exact"
          backend {
            service {
              name = kubernetes_service_v1.stoat_events.metadata[0].name
              port {
                number = var.stoat.events.port
              }
            }
          }
        }
      }
    }
    rule {
      host = "file.${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service_v1.stoat_autumn.metadata[0].name
              port {
                number = var.stoat.autumn.port
              }
            }
          }
        }
      }
    }
    rule {
      host = "proxy.${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service_v1.stoat_january.metadata[0].name
              port {
                number = var.stoat.january.port
              }
            }
          }
        }
      }
    }
    rule {
      host = "gifbox.${var.stoat.subdomain}.${var.domain}"
      http {
        path {
          path      = "/"
          path_type = "Prefix"
          backend {
            service {
              name = kubernetes_service_v1.stoat_gifbox.metadata[0].name
              port {
                number = var.stoat.gifbox.port
              }
            }
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_caddy" {
  metadata {
    name      = "caddy"
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = "caddy"
    }

    port {
      port        = 80
      target_port = 80
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_caddy" {
  metadata {
    name      = "caddy"
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = "caddy"
      }
    }

    template {
      metadata {
        labels = {
          "app" = "caddy"
        }
      }

      spec {
        container {
          name  = "caddy"
          image = "docker.io/caddy"

          port {
            container_port = 80
          }

          env_from {
            config_map_ref {
              name     = kubernetes_config_map_v1.env_web.metadata[0].name
              optional = false
            }
          }

          volume_mount {
            name       = "revolt"
            mount_path = "/etc/caddy/Caddyfile"
            sub_path   = "Caddyfile"
          }
        }

        volume {
          name = "revolt"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_api" {
  metadata {
    name      = var.stoat.api.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.api.name
    }

    port {
      port        = var.stoat.api.port
      target_port = var.stoat.api.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_api" {
  metadata {
    name      = var.stoat.api.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.api.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.api.name
        }
      }

      spec {
        container {
          name  = var.stoat.api.name
          image = "${var.stoat.api.image}:${var.stoat.api.version}"

          port {
            container_port = var.stoat.api.port
          }

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_events" {
  metadata {
    name      = var.stoat.events.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.events.name
    }

    port {
      port        = var.stoat.events.port
      target_port = var.stoat.events.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_events" {
  metadata {
    name      = var.stoat.events.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.events.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.events.name
        }
      }

      spec {
        container {
          name  = var.stoat.events.name
          image = "${var.stoat.events.image}:${var.stoat.events.version}"

          port {
            container_port = var.stoat.events.port
          }

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_autumn" {
  metadata {
    name      = var.stoat.autumn.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.autumn.name
    }

    port {
      port        = var.stoat.autumn.port
      target_port = var.stoat.autumn.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_autumn" {
  metadata {
    name      = var.stoat.autumn.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.autumn.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.autumn.name
        }
      }

      spec {
        container {
          name  = var.stoat.autumn.name
          image = "${var.stoat.autumn.image}:${var.stoat.autumn.version}"

          port {
            container_port = var.stoat.autumn.port
          }

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_january" {
  metadata {
    name      = var.stoat.january.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.january.name
    }

    port {
      port        = var.stoat.january.port
      target_port = var.stoat.january.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_january" {
  metadata {
    name      = var.stoat.january.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.january.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.january.name
        }
      }

      spec {
        container {
          name  = var.stoat.january.name
          image = "${var.stoat.january.image}:${var.stoat.january.version}"

          port {
            container_port = var.stoat.january.port
          }

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_gifbox" {
  metadata {
    name      = var.stoat.gifbox.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.gifbox.name
    }

    port {
      port        = var.stoat.gifbox.port
      target_port = var.stoat.gifbox.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_gifbox" {
  metadata {
    name      = var.stoat.gifbox.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.gifbox.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.gifbox.name
        }
      }

      spec {
        container {
          name  = var.stoat.gifbox.name
          image = "${var.stoat.gifbox.image}:${var.stoat.gifbox.version}"

          port {
            container_port = var.stoat.gifbox.port
          }

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_pushd" {
  metadata {
    name      = var.stoat.pushd.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.pushd.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.pushd.name
        }
      }

      spec {
        container {
          name  = var.stoat.pushd.name
          image = "${var.stoat.pushd.image}:${var.stoat.pushd.version}"

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_crond" {
  metadata {
    name      = var.stoat.crond.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.crond.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.crond.name
        }
      }

      spec {
        container {
          name  = var.stoat.crond.name
          image = "${var.stoat.crond.image}:${var.stoat.crond.version}"

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_voice_ingress" {
  metadata {
    name      = var.stoat.voice_ingress.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.voice_ingress.name
    }

    port {
      port        = var.stoat.voice_ingress.port
      target_port = var.stoat.voice_ingress.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_voice_ingress" {
  metadata {
    name      = var.stoat.voice_ingress.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.voice_ingress.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.voice_ingress.name
        }
      }

      spec {
        container {
          name  = var.stoat.voice_ingress.name
          image = "${var.stoat.voice_ingress.image}:${var.stoat.voice_ingress.version}"

          volume_mount {
            name       = "revolt-toml"
            mount_path = "/Revolt.toml"
            sub_path   = "Revolt.toml"
          }
        }

        volume {
          name = "revolt-toml"
          config_map {
            name     = kubernetes_config_map_v1.Revolt.metadata[0].name
            optional = false
          }
        }
      }
    }
  }
}

resource "kubernetes_service_v1" "stoat_web" {
  metadata {
    name      = var.stoat.web.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    selector = {
      app = var.stoat.web.name
    }

    port {
      port        = var.stoat.web.port
      target_port = var.stoat.web.port
    }
  }
}

resource "kubernetes_deployment_v1" "stoat_web" {
  metadata {
    name      = var.stoat.web.name
    namespace = kubernetes_namespace_v1.stoat.metadata[0].name
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = var.stoat.web.name
      }
    }

    template {
      metadata {
        labels = {
          "app" = var.stoat.web.name
        }
      }

      spec {
        container {
          name              = var.stoat.web.name
          image             = "${var.stoat.web.image}:${var.stoat.web.version}"
          image_pull_policy = "Always"

          port {
            container_port = var.stoat.web.port
          }

          env_from {
            config_map_ref {
              name     = kubernetes_config_map_v1.env_web.metadata[0].name
              optional = false
            }
          }
        }
      }
    }
  }
}