import { describe, it, expect, vi, beforeEach } from 'vitest'

vi.mock('leaflet', () => {
  const markerMock = {
    on: vi.fn().mockReturnThis(),
    addTo: vi.fn().mockReturnThis(),
    setLatLng: vi.fn().mockReturnThis(),
  }
  return {
    default: { marker: vi.fn(() => markerMock) },
    marker: vi.fn(() => markerMock),
  }
})

vi.mock('~/lib/LeafletCustomTypes', () => ({
  HnHMaxZoom: 6,
}))

import { createCharacter, type CharacterData, type CharacterMapViewRef } from '../Character'

function makeCharData(overrides: Partial<CharacterData> = {}): CharacterData {
  return {
    name: 'Hero',
    position: { x: 100, y: 200 },
    type: 'player',
    id: 1,
    map: 1,
    ...overrides,
  }
}

function makeMapViewRef(mapid = 1): CharacterMapViewRef {
  return {
    map: {
      unproject: vi.fn(() => ({ lat: 0, lng: 0 })),
      removeLayer: vi.fn(),
    } as unknown as import('leaflet').Map,
    mapid,
    markerLayer: {
      removeLayer: vi.fn(),
      addLayer: vi.fn(),
    } as unknown as import('leaflet').LayerGroup,
  }
}

describe('createCharacter', () => {
  beforeEach(() => {
    vi.clearAllMocks()
  })

  it('creates character with correct properties', () => {
    const char = createCharacter(makeCharData())
    expect(char.id).toBe(1)
    expect(char.name).toBe('Hero')
    expect(char.position).toEqual({ x: 100, y: 200 })
    expect(char.type).toBe('player')
    expect(char.map).toBe(1)
    expect(char.text).toBe('Hero')
    expect(char.value).toBe(1)
  })

  it('starts with null leaflet marker', () => {
    const char = createCharacter(makeCharData())
    expect(char.leafletMarker).toBeNull()
  })

  it('add creates marker when character is on correct map', () => {
    const char = createCharacter(makeCharData())
    const mapview = makeMapViewRef(1)
    char.add(mapview)
    expect(mapview.map.unproject).toHaveBeenCalled()
  })

  it('add does not create marker for different map', () => {
    const char = createCharacter(makeCharData({ map: 2 }))
    const mapview = makeMapViewRef(1)
    char.add(mapview)
    expect(mapview.map.unproject).not.toHaveBeenCalled()
  })

  it('update changes position and map', () => {
    const char = createCharacter(makeCharData())
    const mapview = makeMapViewRef(1)

    char.update(mapview, {
      ...makeCharData(),
      position: { x: 300, y: 400 },
      map: 2,
    })

    expect(char.position).toEqual({ x: 300, y: 400 })
    expect(char.map).toBe(2)
  })

  it('remove on a character without leaflet marker does nothing', () => {
    const char = createCharacter(makeCharData())
    const mapview = makeMapViewRef(1)
    char.remove(mapview) // should not throw
    expect(char.leafletMarker).toBeNull()
  })

  it('setClickCallback works', () => {
    const char = createCharacter(makeCharData())
    const cb = vi.fn()
    char.setClickCallback(cb)
  })
})