import { describe, expect, it } from "bun:test";
import { DEFAULT_TIMELINE_SOURCES } from "../types/timeline";
import {
  isLinearConfigured,
  type LinearIssueEvent,
  linearEventToTimelineRow,
} from "./linear";

describe("isLinearConfigured", () => {
  it("returns true when a key is passed explicitly", () => {
    expect(isLinearConfigured("lin_api_xxx")).toBe(true);
  });
  it("returns false for empty/undefined key with no env", () => {
    const prev = process.env.LINEAR_API_KEY;
    process.env.LINEAR_API_KEY = "";
    expect(isLinearConfigured("")).toBe(false);
    if (prev === undefined) {
      process.env.LINEAR_API_KEY = undefined as unknown as string;
    } else {
      process.env.LINEAR_API_KEY = prev;
    }
  });
});

describe("linearEventToTimelineRow", () => {
  const event: LinearIssueEvent = {
    id: "linear-completed-abc123",
    timestamp: new Date("2026-06-26T12:00:00.000Z"),
    issueId: "abc123",
    issueIdentifier: "OPL-2376",
    title: "Make Linear a first-class source",
    action: "completed",
    teamName: "OPL",
    projectName: "Scribe",
    assigneeName: "Satchmo",
    url: "https://linear.app/openprotocollabs/issue/OPL-2376",
    estimatedMinutes: 5,
  };

  it("emits a source that is a visible default timeline source", () => {
    // Regression: linear was missing from DEFAULT_TIMELINE_SOURCES, so ingested
    // Linear events were silently filtered out of the timeline. Keep the adapter
    // output in sync with the display contract.
    const row = linearEventToTimelineRow(event);
    expect(DEFAULT_TIMELINE_SOURCES).toContain(row.source);
  });

  it("maps a Linear event to a timeline_events insert row", () => {
    const row = linearEventToTimelineRow(event);
    expect(row.source).toBe("linear");
    expect(row.sourceId).toBe("linear-completed-abc123"); // stable dedup key
    expect(row.projectRootId).toBeNull(); // API source, no local root
    expect(row.timestamp).toEqual(event.timestamp);
    expect(row.estimatedMinutes).toBe(5);
    expect(row.content).toBe("OPL-2376 Make Linear a first-class source");
    expect(row.metadata).toEqual({
      issueId: "abc123",
      issueIdentifier: "OPL-2376",
      title: "Make Linear a first-class source",
      action: "completed",
      teamName: "OPL",
      projectName: "Scribe",
      assigneeName: "Satchmo",
      url: "https://linear.app/openprotocollabs/issue/OPL-2376",
    });
  });
});