import { tool } from "../tool.js";
import { getInternalBridgeConfig } from "../internalBridge.js";
import { proposedTaskActionSchema } from "../../src/product/operational-task-contract.js";

export default tool({
  description: "Propose a concrete work-order creation or command draft for human approval after saving an interim concluded report for the current run. This tool only creates a pending approval record and can never execute the action. No execution plan is required; node_id is an optional display reference. After success, publish a final report and optionally link the returned action_id in diagram node_refs. create_work_order requires title, description and work_order_type; its priority is normal or urgent. issue_command requires command_type, target, parameters, impact_summary, non-empty preconditions and expires_at.",
  args: {
    request_id: tool.schema.string().describe("Stable UUID idempotency key for this proposal"),
    kind: tool.schema.enum(["create_work_order", "issue_command"]),
    reason: tool.schema.string(),
    payload: tool.schema.union([
      tool.schema.object({
        title: tool.schema.string(),
        description: tool.schema.string(),
        work_order_type: tool.schema.string(),
        priority: tool.schema.enum(["normal", "urgent"]).default("normal"),
        scheduled_at: tool.schema.string().nullable().optional(),
        location: tool.schema.string().nullable().optional(),
        assignee: tool.schema.string().nullable().optional(),
      }).strict(),
      tool.schema.object({
        command_type: tool.schema.string(),
        target: tool.schema.object({
          kind: tool.schema.string(),
          id: tool.schema.string(),
        }).strict(),
        parameters: tool.schema.record(tool.schema.string(), tool.schema.unknown()),
        impact_summary: tool.schema.string(),
        preconditions: tool.schema.array(tool.schema.string()).min(1),
        expires_at: tool.schema.string(),
      }).strict(),
    ]),
    evidence_refs: tool.schema.array(tool.schema.string()),
    node_id: tool.schema.string().optional(),
  },
  async execute(action, context) {
    const validatedAction = proposedTaskActionSchema.parse(action);
    const { baseUrl, internalToken } = getInternalBridgeConfig();
    const response = await fetch(`${baseUrl}/internal/operational-task/actions`, {
      method: "POST",
      headers: { "Content-Type": "application/json", "x-agent-internal-token": internalToken },
      body: JSON.stringify({ session_id: context.sessionID, action: validatedAction }),
    });
    const text = await response.text();
    if (!response.ok) throw new Error(`task action proposal failed (${response.status}): ${text}`);
    return text;
  },
});