import { createPinia, setActivePinia } from 'pinia'
import { beforeEach, describe, expect, it } from 'vitest'
import { useTimetableStore } from '@/stores/useTimetableStore'
import { ArtistEngagementStatus, type Performance } from '@/types/timetable'

function p(): Performance {
  return {
    id: 'p1',
    engagement_id: 'e1',
    event_id: 'ev1',
    stage_id: 's1',
    lane: 0,
    lane_resolved: 0,
    start_at: '2026-07-10T18:00:00.000Z',
    end_at: '2026-07-10T19:00:00.000Z',
    version: 1,
    notes: null,
    warnings: [],
    created_at: null,
    updated_at: null,
    deleted_at: null,
  }
}

describe('useTimetableStore', () => {
  beforeEach(() => setActivePinia(createPinia()))

  it('initialises with cancelled OFF in status filter', () => {
    const store = useTimetableStore()

    expect(store.isStatusVisible(ArtistEngagementStatus.CONFIRMED)).toBe(true)
    expect(store.isStatusVisible(ArtistEngagementStatus.CANCELLED)).toBe(false)
  })

  it('toggleStatus flips a single status', () => {
    const store = useTimetableStore()

    store.toggleStatus(ArtistEngagementStatus.CONFIRMED)
    expect(store.isStatusVisible(ArtistEngagementStatus.CONFIRMED)).toBe(false)
    store.toggleStatus(ArtistEngagementStatus.CONFIRMED)
    expect(store.isStatusVisible(ArtistEngagementStatus.CONFIRMED)).toBe(true)
  })

  it('selectPerformance maps to id and clears on null', () => {
    // activeDayId / setActiveDay intentionally REMOVED from the store
    // (Step 5: ?day URL is the source of truth, page derives via computed).
    const store = useTimetableStore()

    expect((store as unknown as { activeDayId?: string }).activeDayId).toBeUndefined()
    expect((store as unknown as { setActiveDay?: unknown }).setActiveDay).toBeUndefined()

    store.selectPerformance('p1')
    expect(store.selectedPerformanceId).toBe('p1')
    store.selectPerformance(null)
    expect(store.selectedPerformanceId).toBeNull()
  })

  it('startDrag/endDrag manages snapshot + ghost', () => {
    const store = useTimetableStore()

    expect(store.isDragging).toBe(false)
    store.startDrag(p())
    expect(store.isDragging).toBe(true)
    expect(store.dragOriginSnapshot?.id).toBe('p1')

    store.updateDragGhost({ stageId: 's1', startAt: '2026-07-10T18:30:00Z', endAt: '2026-07-10T19:30:00Z', lane: 1 })
    expect(store.dragGhost?.lane).toBe(1)

    store.endDrag()
    expect(store.isDragging).toBe(false)
    expect(store.dragGhost).toBeNull()
  })

  it('isStatusVisible handles null gracefully', () => {
    const store = useTimetableStore()

    expect(store.isStatusVisible(null)).toBe(false)
    expect(store.isStatusVisible(undefined)).toBe(false)
  })
})