import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";
import test from "node:test";
import { isCollectionScheduleDue } from "../lib/collection-service.ts";
import { sortWithNullsLast } from "../lib/sort-utils.ts";

test("runs the Beijing collection schedule from 09:00", () => {
  const scheduledDate = "2026-08-12";
  assert.equal(
    isCollectionScheduleDue(
      scheduledDate,
      Date.parse("2026-08-12T00:59:59Z"),
    ),
    false,
  );
  assert.equal(
    isCollectionScheduleDue(
      scheduledDate,
      Date.parse("2026-08-12T01:00:00Z"),
    ),
    true,
  );
  assert.equal(
    isCollectionScheduleDue(
      scheduledDate,
      Date.parse("2026-08-13T00:00:00Z"),
    ),
    true,
  );
  assert.equal(
    isCollectionScheduleDue(
      scheduledDate,
      Date.parse("2026-08-11T16:00:00Z"),
    ),
    false,
  );
});

test("sorts both directions while keeping missing values last", () => {
  const values = [
    { id: "missing-a", value: null },
    { id: "middle", value: 20 },
    { id: "high", value: 50 },
    { id: "missing-b", value: null },
    { id: "low", value: 10 },
  ];
  assert.deepEqual(
    sortWithNullsLast(values, (item) => item.value, "asc").map(
      (item) => item.id,
    ),
    ["low", "middle", "high", "missing-a", "missing-b"],
  );
  assert.deepEqual(
    sortWithNullsLast(values, (item) => item.value, "desc").map(
      (item) => item.id,
    ),
    ["high", "middle", "low", "missing-a", "missing-b"],
  );
});

test("a failed collection keeps historically successful rows on success", async () => {
  const source = await readFile(
    new URL("../lib/collection-service.ts", import.meta.url),
    "utf8",
  );

  // 失败写入必须按 latest_likes 分流：无数据 → failed；
  // 已有历史数据 → 保持 success，仅描述里说明沿用上次数据。
  assert.match(
    source,
    /collection_status = CASE\s+WHEN latest_likes IS NULL THEN 'failed'\s+ELSE 'success'\s+END/,
  );
  assert.match(
    source,
    /ELSE \?\s+END,\s+collection_updated_at = CASE\s+WHEN latest_likes IS NULL THEN CURRENT_TIMESTAMP\s+ELSE collection_updated_at/,
  );
  assert.match(source, /`\$\{message\}，沿用上次采集数据`/);
  // run 行照实记录失败，保留可观测性
  assert.match(source, /UPDATE collection_runs\s+SET status = 'failed'/);
});