import { vi } from 'vitest';
import type { TripPlanner, MTripShellApi } from '../../src/mobile/screens/trip/MTripShell';
import { buildTrip } from './factories';

/**
 * Fixtures for the mobile trip screens. Every tab panel, sheet and overlay
 * under src/mobile/screens/trip receives the same two props — the planner
 * context from useTripPlanner() and the shell api from MTripShell — so tests
 * render them directly with these builders instead of mounting the whole shell.
 *
 * Defaults are the empty-but-valid state: a trip exists, every list is empty,
 * every callback is a spy. Pass overrides for the slice under test.
 */

/** Mirrors useTripStore's action surface as spies. */
export function buildTripActions(): Record<string, ReturnType<typeof vi.fn>> {
  const names = [
    'addCategory', 'addDayNote', 'addFile', 'addPackingContributor', 'addPackingItem',
    'addPlace', 'addReservation', 'addTodoItem', 'appendDatedDay', 'assignPlaceToDay', 'clonePackingItem',
    'deleteBudgetItem', 'deleteDayNote', 'deleteFile', 'deletePackingItem', 'deletePlace',
    'deleteDay', 'deletePlacesMany', 'deleteReservation', 'deleteTodoItem', 'insertDay', 'loadBudgetItems',
    'loadFiles', 'loadReservations', 'loadTrip', 'moveAssignment', 'moveDayNote', 'ratePlace',
    'refreshDays', 'removeAssignment', 'removePackingContributor', 'reorderAssignments',
    'reorderDays', 'setAssignments', 'setPackedCount', 'setPackingItemSharing', 'setSelectedDay',
    'toggleBudgetMemberPaid', 'togglePackingItem', 'toggleReservationStatus', 'toggleTodoItem',
    'updateDayNote', 'updateDayTitle', 'updatePackingItem', 'updatePlace', 'updatePlacesMany',
    'updateReservation', 'updateTodoItem', 'updateTrip', 'uploadPlaceImage',
  ];
  const actions: Record<string, ReturnType<typeof vi.fn>> = {};
  for (const name of names) actions[name] = vi.fn(async () => undefined);
  return actions;
}

export function buildToast(): Record<string, ReturnType<typeof vi.fn>> {
  return { success: vi.fn(), error: vi.fn(), warning: vi.fn(), info: vi.fn() };
}

/**
 * `t` echoes the key so assertions stay independent of the English copy.
 * Pass a real translation fn through overrides when a test needs visible text.
 */
const echoT = (key: string, params?: Record<string, string | number>): string =>
  params ? `${key}:${Object.values(params).join(',')}` : key;

export function buildPlanner(overrides: Partial<TripPlanner> = {}): TripPlanner {
  const trip = buildTrip({ id: 1, title: 'Japan 2026', currency: 'EUR' });

  const base = {
    tripId: 1,
    navigate: vi.fn(),
    toast: buildToast(),
    t: echoT,
    language: 'en',
    settings: { time_format: '24h', date_format: 'DD.MM.YYYY', default_currency: 'EUR', distance_unit: 'km' },
    placesPhotosEnabled: false,

    trip,
    days: [],
    places: [],
    assignments: [],
    // The unfiltered map the store holds. The place editor looks the visit it was
    // opened on up here, so every sheet test that edits a place needs the shape.
    storedAssignments: {},
    packingItems: [],
    todoItems: [],
    categories: [],
    reservations: [],
    budgetItems: [],
    files: [],

    selectedDayId: null,
    isLoading: false,
    tripActions: buildTripActions(),
    can: vi.fn(() => true),
    canUploadFiles: true,
    isTourPlace: vi.fn(() => false),

    pushUndo: vi.fn(),
    undo: vi.fn(),
    canUndo: false,
    lastActionLabel: null,
    handleUndo: vi.fn(),

    enabledAddons: { packing: true, budget: true, documents: true, collab: true, vacay: true, atlas: true },
    collabFeatures: { chat: true, notes: true, polls: true },
    tripAccommodations: [],
    setTripAccommodations: vi.fn(),
    allowedFileTypes: ['image/jpeg', 'image/png', 'application/pdf'],
    tripMembers: [],
    setTripMembers: vi.fn(),
    refreshMembers: vi.fn(),
    loadAccommodations: vi.fn(),

    TRANSPORT_TYPES: new Set(['flight', 'train', 'bus', 'car', 'taxi', 'bicycle', 'cruise', 'ferry', 'transit', 'transport_other']),
    TRIP_TABS: [],
    activeTab: 'plan',
    setActiveTab: vi.fn(),
    handleTabChange: vi.fn(),

    leftWidth: 320,
    rightWidth: 320,
    leftCollapsed: false,
    rightCollapsed: false,
    setLeftCollapsed: vi.fn(),
    setRightCollapsed: vi.fn(),
    startResizeLeft: vi.fn(),
    startResizeRight: vi.fn(),

    selectedPlaceId: null,
    selectedAssignmentId: null,
    setSelectedPlaceId: vi.fn(),
    selectAssignment: vi.fn(),

    showDayDetail: false,
    setShowDayDetail: vi.fn(),
    dayDetailCollapsed: false,
    setDayDetailCollapsed: vi.fn(),
    showPlaceForm: false,
    setShowPlaceForm: vi.fn(),
    editingPlace: null,
    setEditingPlace: vi.fn(),
    prefillCoords: null,
    setPrefillCoords: vi.fn(),
    placeFormDayId: null,
    setPlaceFormDayId: vi.fn(),
    reservationModalDayId: null,
    setReservationModalDayId: vi.fn(),
    editingAssignmentId: null,
    setEditingAssignmentId: vi.fn(),
    showTripForm: false,
    setShowTripForm: vi.fn(),
    showMembersModal: false,
    setShowMembersModal: vi.fn(),
    showReservationModal: false,
    setShowReservationModal: vi.fn(),
    editingReservation: null,
    setEditingReservation: vi.fn(),
    showBookingImport: false,
    setShowBookingImport: vi.fn(),
    bookingImportKind: 'bookings' as const,
    setBookingImportKind: vi.fn(),
    bookingImportAvailable: true,
    airTrailAvailable: false,
    showAirTrailImport: false,
    setShowAirTrailImport: vi.fn(),
    bookingForAssignmentId: null,
    setBookingForAssignmentId: vi.fn(),

    showTransportModal: false,
    setShowTransportModal: vi.fn(),
    editingTransport: null,
    setEditingTransport: vi.fn(),
    transportModalDayId: null,
    setTransportModalDayId: vi.fn(),
    transportModalAutomated: false,
    setTransportModalAutomated: vi.fn(),
    transitPrefill: null,
    setTransitPrefill: vi.fn(),
    transitJourney: null,
    setTransitJourney: vi.fn(),
    reservationPrefill: null,
    transportPrefill: null,
    importReviewActive: false,
    startImportReview: vi.fn(),
    advanceImportReview: vi.fn(),

    routeShown: false,
    setRouteShown: vi.fn(),
    autoShowRoute: vi.fn(),
    routeProfile: 'driving',
    setRouteProfile: vi.fn(),
    routeVias: [],
    // Whether the day ends at a stop, from the flag and from a manual boundary alike. The
    // helper answers from the flag; a case about boundaries overrides it.
    roadtripEndsDayAt: (stop: { endDay?: boolean } | null | undefined) => !!stop?.endDay,
    fitKey: 0,
    setFitKey: vi.fn(),

    mobileSidebarOpen: false,
    setMobileSidebarOpen: vi.fn(),
    mobilePlanScrollTopRef: { current: 0 },
    mobilePlacesScrollTopRef: { current: 0 },

    deletePlaceId: null,
    setDeletePlaceId: vi.fn(),
    deletePlaceIds: null,
    setDeletePlaceIds: vi.fn(),

    // Adding a day from the days sheet: a trip without dates, so the single button.
    dayAdd: { nextDate: null, blocked: null, datedBlocked: null, busy: false, onAddDated: vi.fn() },

    // Deleting a day from the days sheet: no question open, nothing blocking.
    deleteDayId: null,
    setDeleteDayId: vi.fn(),
    deleteDayTitle: '',
    deleteDayLines: [],
    deleteDayBlocked: null,
    handleDeleteDay: vi.fn(),
    confirmDeleteDay: vi.fn(async () => undefined),

    // resolveVisibleConnectionIds returns an array, and consumers call .includes().
    visibleConnections: [] as number[],
    roadtripConnections: [] as number[],
    toggleConnection: vi.fn(),
    allConnectionsShown: false,
    toggleAllConnections: vi.fn(),
    mapTransportDetail: null,
    setMapTransportDetail: vi.fn(),

    isMobile: true,
    isTouch: true,

    expandedDayIds: new Set<number>(),
    setExpandedDayIds: vi.fn(),
    mapPlaces: [],
    // The recorded-route overlay (#2279): off and empty. MMapArea reads
    // `dawarichTrail.track` unconditionally, so the shape has to be here even
    // when the addon is not in play.
    dawarichEnabled: false,
    dawarichTrailShown: false,
    toggleDawarichTrail: vi.fn(),
    dawarichTrail: { track: null, status: 'idle', reload: vi.fn() },

    // The road trip addon's routing round. The shell reads days/totalDistance for
    // its stage header on every render, addon on or off, so the empty-but-valid
    // shape belongs in the base rather than in the overrides of one suite.
    roadtripRoutes: {
      days: [], quietDays: [], lines: [], lineDays: [], accessLines: [], vias: [], segments: [],
      totalDistance: 0, totalDuration: 0, totalStops: 0, loading: false,
    },

    // The corridor search, idle. Both the search bar over the stage and the search
    // sheet read it on every render of the road trip tab, addon on or off, so the
    // empty-but-valid shape belongs here rather than in one suite's overrides.
    roadtripCorridor: {
      dayId: '', setDayId: vi.fn(), day: undefined,
      categories: ['fuel'], toggleCategory: vi.fn(),
      widthKm: 5, setWidthKm: vi.fn(),
      search: {
        results: [], progress: { done: 0, total: 0 }, loading: false, capped: false,
        failedSources: [], failedAreas: 0, truncatedAreas: 0, error: false, spine: [],
        search: vi.fn(), clear: vi.fn(),
      },
      nameFilter: '', setNameFilter: vi.fn(), anchors: [],
      section: null, setSection: vi.fn(), sectionKm: 50, setSectionKm: vi.fn(),
      socketFilter: '', setSocketFilter: vi.fn(), minKw: 0, setMinKw: vi.fn(),
      visible: [], insertIndexFor: vi.fn(() => 0), stopsAlongKm: [], clear: vi.fn(),
    },
    // The fuel search, idle: the dry band in the chain reads it per leg.
    refuel: {
      openFor: null, loading: false, outcome: null, results: [], offered: [],
      ask: vi.fn(), close: vi.fn(),
    },
    askRefuel: vi.fn(),
    acceptRefuel: vi.fn(),
    // Other ways of driving a leg, with no picker open. The road trip tab and the map area
    // read the picker on every render, so the closed shape belongs in the base.
    routeAlternatives: { open: null, ask: vi.fn(), close: vi.fn() },
    askRouteAlternatives: vi.fn(),
    chooseRouteAlternative: vi.fn(async () => undefined),
    alternativeOverlays: [],
    alternativeFocusPoints: [],
    highlightedAlternative: null,
    setHighlightedAlternative: vi.fn(),
    // The drive's vias, online and empty. `editable` is what the leg buttons read.
    roadtripVias: {
      byDay: {}, trackByDay: {}, stale: false, editable: true,
      add: vi.fn(), addMany: vi.fn(), move: vi.fn(), remove: vi.fn(), reanchor: vi.fn(),
    },
    mapFocusPoints: [],
    focusRoadtripPoint: vi.fn(),
    handlePoiClick: vi.fn(),

    route: null,
    routeSegments: [],
    routeInfo: null,
    setRoute: vi.fn(),
    setRouteInfo: vi.fn(),
    updateRouteForDay: vi.fn(),

    handleSelectDay: vi.fn(),
    handlePlaceClick: vi.fn(),
    handleMarkerClick: vi.fn(),
    handleMapClick: vi.fn(),
    handleMapContextMenu: vi.fn(),
    openAddPlaceFromPoi: vi.fn(),
    handleSavePlace: vi.fn(),
    openPlaceEditor: vi.fn(),
    handleDeletePlace: vi.fn(),
    confirmDeletePlace: vi.fn(),
    confirmDeletePlaces: vi.fn(),
    confirmChangeCategory: vi.fn(),
    handleAssignToDay: vi.fn(),
    handleRemoveAssignment: vi.fn(),
    handleReorder: vi.fn(),
    handleReorderDays: vi.fn(),
    handleAddDay: vi.fn(),
    handleUpdateDayTitle: vi.fn(),
    handleSaveReservation: vi.fn(),
    handleSaveTransport: vi.fn(),
    handleDeleteReservation: vi.fn(),

    selectedPlace: null,
    dayOrderMap: new Map<number, number>(),
    dayPlaces: [],

    mapTileUrl: 'https://tile.example/{z}/{x}/{y}.png',
    fontStyle: {},
    splashDone: true,
  };

  return { ...base, ...overrides } as unknown as TripPlanner;
}

export function buildShell(overrides: Partial<MTripShellApi> = {}): MTripShellApi {
  const base: MTripShellApi = {
    view: 'plan',
    rtView: 'list',
    mapFront: false,
    toggleRtView: vi.fn(),
    rtReach: 'ahead',
    setRtReach: vi.fn(),
    mode: 'go',
    trTab: 'plan',
    setTrTab: vi.fn(),
    setTravelMode: vi.fn(),
    toggleView: vi.fn(),
    browseFromEdit: false,
    sheet: null,
    openSheet: vi.fn(),
    closeSheet: vi.fn(),
    listsTab: 'packing',
    setListsTab: vi.fn(),
    collabTab: 'chat',
    setCollabTab: vi.fn(),
    transportsCompact: false,
    bookingsCompact: false,
    addExpenseSignal: 0,
    exportCostsCsvSignal: 0,
    uploadFilesSignal: 0,
    openFilesTrashSignal: 0,
    openDocSyncSignal: 0,
  };
  return { ...base, ...overrides };
}