import { describe, expect, it } from "vitest"

import { dt } from "../dt"
import { hasOverlappingDates } from "./hasOverlappingDates"

describe("hasOverlappingDates", () => {
  const item = { startDate: "2025-09-01", endDate: "2025-09-10" }

  it("returns true if start date is within date range", () => {
    const result = hasOverlappingDates(item, dt("2025-09-05"), dt("2025-09-12"))
    expect(result).toBeTruthy()
  })

  it("returns true if end date is within date range", () => {
    const result = hasOverlappingDates(item, dt("2025-08-28"), dt("2025-09-05"))
    expect(result).toBeTruthy()
  })

  it("returns true if start and end date if match dates exactly", () => {
    const result = hasOverlappingDates(item, dt("2025-09-01"), dt("2025-09-10"))
    expect(result).toBeTruthy()
  })

  it("returns true if start and end date is within date range", () => {
    const result = hasOverlappingDates(item, dt("2025-08-28"), dt("2025-09-15"))
    expect(result).toBeTruthy()
  })

  it("returns true if start and end date is within date range", () => {
    const result = hasOverlappingDates(item, dt("2025-09-03"), dt("2025-09-05"))
    expect(result).toBeTruthy()
  })

  it("return false if no overlap", () => {
    const result = hasOverlappingDates(item, dt("2025-08-01"), dt("2025-08-05"))
    expect(result).toBeFalsy()
  })
})