import { beforeEach, describe, expect, it, vi } from 'vitest'
import { ErrorCode } from '@d3ro/core/errors'
import { IPC_CHANNELS } from '@d3ro/core/ipc-channels'

const handlers = vi.hoisted(
  () => new Map<string, (event: unknown, params: unknown) => unknown>()
)
const search = vi.hoisted(() => vi.fn())

vi.mock('electron', () => ({
  ipcMain: {
    handle: vi.fn((channel: string, handler: (event: unknown, params: unknown) => unknown) => {
      handlers.set(channel, handler)
    }),
  },
}))

vi.mock('../../../src/main/services/UnifiedSearchService', async (importOriginal) => {
  const actual = await importOriginal<typeof import('../../../src/main/services/UnifiedSearchService')>()
  return {
    ...actual,
    getUnifiedSearchService: () => ({ search }),
  }
})

beforeEach(async () => {
  vi.clearAllMocks()
  handlers.clear()
  const mod = await import('../../../src/main/ipc/unified-search-handlers')
  mod.registerUnifiedSearchHandlers()
})

describe('UNIFIED_SEARCH.QUERY', () => {
  it.each([
    null,
    {},
    { query: 42 },
    { query: '계획', limit: Number.NaN },
    { query: '계획', limit: Number.NEGATIVE_INFINITY },
  ])('returns ConfigInvalidValue for malformed renderer input: %o', async (params) => {
    const handler = handlers.get(IPC_CHANNELS.UNIFIED_SEARCH.QUERY)
    if (!handler) throw new Error('unified search handler was not registered')

    const result = await handler({}, params)

    expect(result).toMatchObject({
      success: false,
      error: { code: ErrorCode.ConfigInvalidValue },
    })
    expect(search).not.toHaveBeenCalled()
  })

  it('passes validated input to the service and returns IPC success', async () => {
    const handler = handlers.get(IPC_CHANNELS.UNIFIED_SEARCH.QUERY)
    if (!handler) throw new Error('unified search handler was not registered')
    search.mockReturnValue({ query: '계획', results: [], total: 0 })

    const result = await handler({}, { query: '계획', limit: 10 })

    expect(search).toHaveBeenCalledWith({ query: '계획', limit: 10 })
    expect(result).toEqual({
      success: true,
      data: { query: '계획', results: [], total: 0 },
    })
  })
})