import assert from "node:assert/strict";
import test from "node:test";
import {
  createRectificationActivityReceiptState,
  reduceRectificationActivityReceipt,
  receiptFromRectificationActivityState,
} from "../src/lib/rectification-activity-receipt";

test("a successful retry clears the same tool's earlier failure", () => {
  let state = createRectificationActivityReceiptState();
  for (const event of [
    { tool: "rectification-read-case", status: "completed" },
    { tool: "rectification-propose-evidence", status: "failed" },
    { tool: "rectification-propose-evidence", status: "started" },
    { tool: "rectification-propose-evidence", status: "completed" },
    { tool: "rectification-confirm-evidence", status: "completed" },
  ] as const) {
    state = reduceRectificationActivityReceipt(state, event);
  }

  assert.deepEqual(receiptFromRectificationActivityState(state), {
    steps: [
      "rectification-read-case",
      "rectification-propose-evidence",
      "rectification-confirm-evidence",
    ],
    methods: [],
  });
});

test("an unrecovered latest tool failure remains visible", () => {
  let state = createRectificationActivityReceiptState();
  state = reduceRectificationActivityReceipt(state, {
    tool: "rectification-read-case",
    status: "completed",
  });
  state = reduceRectificationActivityReceipt(state, {
    tool: "rectification-propose-evidence",
    status: "failed",
  });

  assert.deepEqual(receiptFromRectificationActivityState(state), {
    steps: ["rectification-read-case"],
    methods: [],
    failedTool: "rectification-propose-evidence",
  });
});

test("a later failure overrides an earlier completion for the same tool", () => {
  let state = createRectificationActivityReceiptState();
  state = reduceRectificationActivityReceipt(state, {
    tool: "rectification-read-case",
    status: "completed",
  });
  state = reduceRectificationActivityReceipt(state, {
    tool: "rectification-read-case",
    status: "failed",
  });

  assert.deepEqual(receiptFromRectificationActivityState(state), {
    steps: ["rectification-read-case"],
    methods: [],
    failedTool: "rectification-read-case",
  });
});