import type { MessageBlock, RoutineEventBlock } from "@rakazo/contracts";
import { describe, expect, it } from "vitest";
import { blocksToAgentHistoryText } from "./attachments.js";
import {
  isRoutineEventMessage,
  markRoutineEventsRemoved,
  routineScheduleShape,
} from "./routine-events.js";

const line: RoutineEventBlock = {
  kind: "event",
  event: "routine.created",
  routineId: "routine-1",
  botId: "bot-1",
  name: "Weekly plan",
  crons: ["0 18 * * 1"],
  timezone: "Europe/Berlin",
  nextRunAt: "2026-10-05T16:00:00.000Z",
};

describe("routine lines", () => {
  it("are messages of their own", () => {
    expect(isRoutineEventMessage([line])).toBe(true);
    expect(isRoutineEventMessage([line, { kind: "text", text: "Done." }])).toBe(false);
    expect(isRoutineEventMessage([])).toBe(false);
  });

  it("are marked removed once and leave other routines alone", () => {
    const other: MessageBlock = { ...line, routineId: "routine-2" };
    const marked = markRoutineEventsRemoved([line, other], "routine-1");
    expect(marked).toEqual([{ ...line, removed: true }, other]);
    expect(markRoutineEventsRemoved(marked!, "routine-1")).toBeNull();
    expect(markRoutineEventsRemoved([other], "routine-1")).toBeNull();
  });

  it("tell a later turn what was set up, changed or removed", () => {
    expect(blocksToAgentHistoryText([line])).toBe(
      "[routine set up: Weekly plan (Every Monday at 6:00 PM, Europe/Berlin)]",
    );
    expect(
      blocksToAgentHistoryText([
        { ...line, event: "routine.updated", crons: ["@once"], name: "Call mum" },
      ]),
    ).toBe("[routine updated: Call mum (once at 2026-10-05T16:00:00.000Z)]");
    expect(blocksToAgentHistoryText([{ ...line, removed: true }])).toBe(
      "[routine removed: Weekly plan]",
    );
  });
});

describe("routineScheduleShape", () => {
  it("reads the schedules people say out loud", () => {
    expect(routineScheduleShape(["@once"])).toEqual({ kind: "once" });
    expect(routineScheduleShape(["0 8 * * *"])).toEqual({ kind: "daily", hour: 8, minute: 0 });
    expect(routineScheduleShape(["30 7 * * 1-5"])).toEqual({
      kind: "weekdays",
      hour: 7,
      minute: 30,
    });
    expect(routineScheduleShape(["0 18 * * 7"])).toEqual({
      kind: "weekly",
      weekday: 0,
      hour: 18,
      minute: 0,
    });
    expect(routineScheduleShape(["0 9 1 * *"])).toEqual({
      kind: "monthly",
      day: 1,
      hour: 9,
      minute: 0,
    });
    expect(routineScheduleShape(["*/15 * * * *"])).toEqual({ kind: "minutes", every: 15 });
    expect(routineScheduleShape(["0 */2 * * *"])).toEqual({ kind: "hours", every: 2 });
    expect(routineScheduleShape(["0 * * * *"])).toEqual({ kind: "hourly" });
  });

  it("leaves everything else to the next run", () => {
    for (const crons of [["0 9 * * 1,3"], ["0 9 * 1 *"], ["0 9 * * *", "0 18 * * *"], ["nope"]]) {
      expect(routineScheduleShape(crons)).toEqual({ kind: "other" });
    }
  });
});