import { describe, it, expect } from 'vitest'
import { needService } from '../needService'

describe('needService', () => {
  describe('getAll', () => {
    it('returns a ListResponse with data and meta', async () => {
      const result = await needService.getAll()
      expect(Array.isArray(result.data)).toBe(true)
      expect(result.data.length).toBeGreaterThan(0)
      expect(result.meta!.total).toBe(result.data.length)
      expect(result.meta!.page).toBe(1)
      expect(result.meta!.hasMore).toBe(false)
    })

    it('each need has required fields', async () => {
      const { data } = await needService.getAll()
      for (const need of data) {
        expect(typeof need.id).toBe('string')
        expect(typeof need.companyName).toBe('string')
        expect(typeof need.assetType).toBe('string')
        expect(typeof need.requiredArea.min).toBe('number')
        expect(typeof need.requiredArea.max).toBe('number')
      }
    })
  })

  describe('getById', () => {
    it('returns a need for an existing id', async () => {
      const { data: all } = await needService.getAll()
      const id = all[0].id
      const result = await needService.getById(id)
      expect(result.data).not.toBeNull()
      expect(result.data?.id).toBe(id)
    })

    it('returns null for a non-existent id', async () => {
      const result = await needService.getById('nonexistent-id')
      expect(result.data).toBeNull()
    })
  })

  describe('create', () => {
    it('creates a new need and returns it', async () => {
      const { data: before } = await needService.getAll()
      const input = {
        companyName: 'Test GmbH',
        assetType: 'OFFICE' as const,
        requiredArea: { min: 200, max: 400 },
        preferredLocations: ['Zürich'],
        budgetRange: { maxPerSqm: 400, maxMonthlyTotal: 10000, currency: 'CHF' as const },
        organizationId: 'org-test',
        timing: { earliestMoveIn: '2025-01-01', latestMoveIn: '2026-01-01', flexibleTiming: true },
        weightingProfile: { area: 0.3, location: 0.3, budget: 0.2, timing: 0.1, prestige: 0, accessibility: 0, expansionPotential: 0, flexibility: 0, visibility: 0, footfall: 0, talentAccess: 0, esg: 0, taxEnvironment: 0 },
        confidenceInCriteria: 0.8,
      }
      const result = await needService.create(input)
      expect(result.data.companyName).toBe('Test GmbH')
      expect(typeof result.data.id).toBe('string')

      const { data: after } = await needService.getAll()
      expect(after.length).toBe(before.length + 1)
    })
  })

  describe('update', () => {
    it('updates a need and reflects the change', async () => {
      const { data: all } = await needService.getAll()
      const target = all[0]
      const result = await needService.update(target.id, { companyName: 'Updated GmbH' })
      expect(result.data.id).toBe(target.id)
      expect(result.data.companyName).toBe('Updated GmbH')
    })
  })

  describe('remove', () => {
    it('removes a need so it no longer appears in getAll', async () => {
      // Create a temporary need to avoid disturbing shared seed data
      const created = await needService.create({
        companyName: 'Temp GmbH',
        assetType: 'OFFICE' as const,
        requiredArea: { min: 100, max: 200 },
        preferredLocations: ['Bern'],
        budgetRange: { maxPerSqm: 300, maxMonthlyTotal: 5000, currency: 'CHF' as const },
        organizationId: 'org-test',
        timing: { earliestMoveIn: '2025-01-01', latestMoveIn: '2026-01-01', flexibleTiming: true },
        weightingProfile: { area: 0.3, location: 0.3, budget: 0.2, timing: 0.1, prestige: 0, accessibility: 0, expansionPotential: 0, flexibility: 0, visibility: 0, footfall: 0, talentAccess: 0, esg: 0, taxEnvironment: 0 },
        confidenceInCriteria: 0.8,
      })
      const id = created.data.id
      await needService.remove(id)
      const found = await needService.getById(id)
      expect(found.data).toBeNull()
    })
  })
})