// NOTE: These types must match what Paperclip's SchemaConfigFields component
// expects. Paperclip's server at GET /api/adapters/:type/config-schema
// calls adapter.getConfigSchema() and the UI reads the JSON — types are only
// used at build time here. The Paperclip types in @paperclipai/adapter-utils
// may lag behind; these locals are the source of truth for this adapter.

interface ConfigFieldOption {
  label: string;
  value: string;
  group?: string;
}

type ConfigFieldSchema =
  | { type: "text"; key: string; label: string; hint?: string; default?: unknown; meta?: Record<string, unknown> }
  | { type: "number"; key: string; label: string; hint?: string; default?: unknown; meta?: Record<string, unknown> }
  | { type: "toggle"; key: string; label: string; hint?: string; default?: unknown; meta?: Record<string, unknown> }
  | { type: "select"; key: string; label: string; hint?: string; options: ConfigFieldOption[]; default?: unknown; meta?: Record<string, unknown> }
  | { type: "textarea"; key: string; label: string; hint?: string; default?: unknown; meta?: Record<string, unknown> }
  | { type: "combobox"; key: string; label: string; hint?: string; options?: ConfigFieldOption[]; default?: unknown; meta?: Record<string, unknown> };

interface AdapterConfigSchema {
  fields: ConfigFieldSchema[];
}

export function getConfigSchema(): AdapterConfigSchema {
  // model, effort, instructionsFilePath, timeoutSec, graceSec are provided
  // by the platform UI and must not be duplicated here.
  const fields: ConfigFieldSchema[] = [
    // Core Claude fields
    {
      type: "number",
      key: "maxTurnsPerRun",
      label: "Max Turns Per Run",
      hint: "Maximum number of agentic turns (tool calls) per heartbeat run. 0 means unlimited.",
      default: 1000,
    },
    // Kubernetes
    {
      type: "text",
      key: "serviceAccountName",
      label: "Service Account",
      hint: "Service Account name for Job pods. Defaults to the cluster default.",
    },
    {
      type: "text",
      key: "namespace",
      label: "Namespace",
      hint: "Kubernetes namespace for Jobs. Defaults to the Deployment namespace.",
    },
    {
      type: "text",
      key: "image",
      label: "Container Image",
      hint: "Override the container image used for Job pods. Defaults to the running Deployment image.",
    },
    {
      type: "select",
      key: "imagePullPolicy",
      label: "Image Pull Policy",
      hint: "Image pull policy for the container image.",
      options: [
        { value: "IfNotPresent", label: "IfNotPresent" },
        { value: "Always", label: "Always" },
        { value: "Never", label: "Never" },
      ],
    },
    {
      type: "text",
      key: "kubeconfig",
      label: "Kubeconfig Path",
      hint: "Absolute path to a kubeconfig file on disk. Defaults to in-cluster service account auth.",
    },
    {
      type: "number",
      key: "ttlSecondsAfterFinished",
      label: "TTL Seconds After Finished",
      hint: "Auto-cleanup delay for completed Jobs in seconds. Default: 300.",
    },
    {
      type: "toggle",
      key: "retainJobs",
      label: "Retain Jobs",
      hint: "Skip cleanup of completed Jobs for debugging purposes.",
    },
    {
      type: "toggle",
      key: "reattachOrphanedJobs",
      label: "Reattach to Orphaned Jobs",
      hint: "If a prior K8s Job for the same agent/task/session is still running (e.g. Paperclip restarted mid-run), attach to it and stream its output instead of blocking the new run. When false, any non-terminal orphan blocks the new run. Default: on.",
      default: true,
    },
    // Resource Limits
    {
      type: "text",
      key: "resources.requests.cpu",
      label: "CPU Request",
      hint: "CPU request for Job pods (e.g. 100m, 0.5, 1).",
    },
    {
      type: "text",
      key: "resources.requests.memory",
      label: "Memory Request",
      hint: "Memory request for Job pods (e.g. 128Mi, 512Mi, 1Gi).",
    },
    {
      type: "text",
      key: "resources.limits.cpu",
      label: "CPU Limit",
      hint: "CPU limit for Job pods (e.g. 100m, 0.5, 1).",
    },
    {
      type: "text",
      key: "resources.limits.memory",
      label: "Memory Limit",
      hint: "Memory limit for Job pods (e.g. 128Mi, 512Mi, 1Gi).",
    },
    // Scheduling
    {
      type: "textarea",
      key: "nodeSelector",
      label: "Node Selector",
      hint: "Node selector for Job pods. One key=value per line (e.g. disktype=ssd).",
    },
    {
      type: "textarea",
      key: "tolerations",
      label: "Tolerations",
      hint: "Tolerations for Job pods as JSON array.",
    },
    {
      type: "textarea",
      key: "labels",
      label: "Labels",
      hint: "Extra labels added to Job metadata. One key=value per line.",
    },
    // Output filtering (RTK-compatible)
    {
      type: "toggle",
      key: "enableRtk",
      label: "Enable Output Filtering",
      hint: "Truncate oversized tool outputs before they reach the model, reducing token consumption. Implemented natively in Node.js — no external binary required. Installs a PostToolUse hook in ~/.claude/settings.json for each run.",
      default: false,
    },
    {
      type: "number",
      key: "rtkMaxOutputBytes",
      label: "Max Tool Output Bytes",
      hint: "Maximum bytes of tool output to pass to the model when output filtering is enabled. Outputs exceeding this threshold are truncated with a summary. Default: 50000.",
      default: 50000,
    },
  ];

  return { fields };
}