import { describe, expect, it } from "vitest";
import {
  buildGoalCriteriaApiPayload,
  normalizeGoalCriteriaInput,
  TARGET_DURATION_MODE_LEGACY,
  TARGET_DURATION_MODE_WEEKS,
} from "@/views/dashboards/departmentDashboard/modules/goals/functions/goalCriteriaPayload";

describe("goal criteria payload helpers", () => {
  it("omits target duration fields in legacy mode and serializes day boundaries as ISO date-time", () => {
    const payload = buildGoalCriteriaApiPayload(
      {
        label: "Quarter Goal",
        type: "REVENUE",
        target: 1000,
        start: "2026-03-01",
        end: "2026-03-31",
        departments: [5],
      },
      {
        targetDurationMode: TARGET_DURATION_MODE_LEGACY,
      }
    );

    expect(payload).not.toHaveProperty("target_duration");
    expect(payload).not.toHaveProperty("target_duration_every");
    expect(payload.start).toMatch(/^2026-03-01T00:00:00(?:Z|[+-]\d{2}:\d{2})$/);
    expect(payload.end).toMatch(/^2026-03-31T23:59:59(?:Z|[+-]\d{2}:\d{2})$/);
  });

  it("includes cadence fields when duration mode requires them", () => {
    const payload = buildGoalCriteriaApiPayload(
      {
        label: "Bi-weekly Goal",
        type: "PRODUCT",
        target: 42,
        start: "2026-04-01",
        end: "2026-04-30",
        departments: [2],
        target_duration_every: 2,
      },
      {
        targetDurationMode: TARGET_DURATION_MODE_WEEKS,
      }
    );

    expect(payload.target_duration).toBe("WEEKS");
    expect(payload.target_duration_every).toBe(2);
  });

  it("normalizes legacy camelCase fields to canonical snake_case", () => {
    const normalized = normalizeGoalCriteriaInput(
      {
        targetDuration: "months",
        targetDurationEvery: "3",
        progressAlertFrequency: "weekly",
        progressAlertDestination: "email",
        progressAlertProgressType: "count_only",
        progressAlertStyle: "collective",
        progressAlertFormat: "Report: {percent}%",
        progressAlertWeekdays: ["monday", "friday", "invalid"],
        progressAlertTimeOfDay: "09:30+01:00",
        departmentDailyTargets: { 2: "14", invalid: "x" },
        start: "2026-01-15T12:00:00+01:00",
        end: "2026-02-20T18:30:00+01:00",
      },
      [8]
    );

    expect(normalized.target_duration).toBe("MONTHS");
    expect(normalized.target_duration_every).toBe(3);
    expect(normalized.progress_alert_frequency).toBe("WEEKLY");
    expect(normalized.progress_alert_destination).toBe("EMAIL");
    expect(normalized.progress_alert_progress_type).toBe("COUNT_ONLY");
    expect(normalized.progress_alert_style).toBe("COLLECTIVE");
    expect(normalized.progress_alert_format).toBe("Report: {percent}%");
    expect(normalized.progress_alert_weekdays).toEqual(["MONDAY", "FRIDAY"]);
    expect(normalized.progress_alert_time_of_day).toBe("09:30+01:00");
    expect(normalized.department_daily_targets).toEqual({ 2: 14 });
    expect(normalized.start).toBe("2026-01-15");
    expect(normalized.end).toBe("2026-02-20");
    expect(normalized.departments).toEqual([8]);
  });

  it("converts weekly department targets to daily values in API payload", () => {
    const payload = buildGoalCriteriaApiPayload(
      {
        label: "Dept Weekly Goal",
        type: "VISITS",
        target: 10,
        start: "2026-05-01",
        end: "2026-05-31",
        departments: [9],
        department_daily_targets: { 9: 21 },
      },
      {
        departmentTargetUnit: "weeks",
        targetDurationMode: TARGET_DURATION_MODE_LEGACY,
      }
    );

    expect(payload.department_daily_targets["9"]).toBe(3);
  });
});