import { describe, it, expect, beforeAll, beforeEach, afterAll } from 'bun:test'
import type { FastifyInstance } from 'fastify'
import { createTestApp, cleanDb, seedTestCompany, TEST_COMPANY_ID } from '../../src/test/helpers.js'
import { UnitStatusService, ItemConditionService } from '../../src/services/lookup.service.js'

describe('UnitStatusService', () => {
  let app: FastifyInstance

  beforeAll(async () => {
    app = await createTestApp()
  })

  beforeEach(async () => {
    await cleanDb(app)
    await seedTestCompany(app)
  })

  afterAll(async () => {
    await app.close()
  })

  describe('seedForCompany', () => {
    it('seeds system statuses on first call', async () => {
      const statuses = await UnitStatusService.list(app.db, TEST_COMPANY_ID)
      expect(statuses.length).toBeGreaterThanOrEqual(8)
      expect(statuses.every((s) => s.isSystem)).toBe(true)
    })

    it('is idempotent — second seed does not duplicate', async () => {
      await UnitStatusService.seedForCompany(app.db, TEST_COMPANY_ID)
      const statuses = await UnitStatusService.list(app.db, TEST_COMPANY_ID)
      const slugs = statuses.map((s) => s.slug)
      const uniqueSlugs = new Set(slugs)
      expect(slugs.length).toBe(uniqueSlugs.size)
    })
  })

  describe('getBySlug', () => {
    it('returns a system status by slug', async () => {
      const status = await UnitStatusService.getBySlug(app.db, TEST_COMPANY_ID, 'available')
      expect(status).not.toBeNull()
      expect(status!.slug).toBe('available')
      expect(status!.isSystem).toBe(true)
    })

    it('returns null for nonexistent slug', async () => {
      const status = await UnitStatusService.getBySlug(app.db, TEST_COMPANY_ID, 'nonexistent')
      expect(status).toBeNull()
    })
  })

  describe('validateSlug', () => {
    it('returns true for valid active slug', async () => {
      expect(await UnitStatusService.validateSlug(app.db, TEST_COMPANY_ID, 'sold')).toBe(true)
    })

    it('returns false for nonexistent slug', async () => {
      expect(await UnitStatusService.validateSlug(app.db, TEST_COMPANY_ID, 'bogus')).toBe(false)
    })
  })

  describe('create', () => {
    it('creates a custom (non-system) status', async () => {
      const custom = await UnitStatusService.create(app.db, TEST_COMPANY_ID, {
        name: 'In Transit',
        slug: 'in_transit',
        description: 'Being shipped between locations',
        sortOrder: 99,
      })
      expect(custom.slug).toBe('in_transit')
      expect(custom.isSystem).toBe(false)
    })
  })

  describe('delete', () => {
    it('throws when deleting a system status', async () => {
      const system = await UnitStatusService.getBySlug(app.db, TEST_COMPANY_ID, 'available')
      expect(system).not.toBeNull()
      expect(() => UnitStatusService.delete(app.db, TEST_COMPANY_ID, system!.id)).toThrow('system')
    })

    it('deletes a custom status', async () => {
      const custom = await UnitStatusService.create(app.db, TEST_COMPANY_ID, {
        name: 'Temp',
        slug: 'temp',
        sortOrder: 0,
      })
      const deleted = await UnitStatusService.delete(app.db, TEST_COMPANY_ID, custom.id)
      expect(deleted).not.toBeNull()
      expect(deleted!.slug).toBe('temp')
    })

    it('returns null for nonexistent id', async () => {
      const result = await UnitStatusService.delete(app.db, TEST_COMPANY_ID, '00000000-0000-0000-0000-000000000000')
      expect(result).toBeNull()
    })
  })

  describe('update', () => {
    it('throws when deactivating a system status', async () => {
      const system = await UnitStatusService.getBySlug(app.db, TEST_COMPANY_ID, 'sold')
      expect(() => UnitStatusService.update(app.db, TEST_COMPANY_ID, system!.id, { isActive: false })).toThrow('system')
    })

    it('allows renaming a custom status', async () => {
      const custom = await UnitStatusService.create(app.db, TEST_COMPANY_ID, {
        name: 'Old Name',
        slug: 'custom_rename',
        sortOrder: 0,
      })
      const updated = await UnitStatusService.update(app.db, TEST_COMPANY_ID, custom.id, { name: 'New Name' })
      expect(updated!.name).toBe('New Name')
    })
  })
})

describe('ItemConditionService', () => {
  let app: FastifyInstance

  beforeAll(async () => {
    app = await createTestApp()
  })

  beforeEach(async () => {
    await cleanDb(app)
    await seedTestCompany(app)
  })

  afterAll(async () => {
    await app.close()
  })

  it('seeds system conditions', async () => {
    const conditions = await ItemConditionService.list(app.db, TEST_COMPANY_ID)
    const slugs = conditions.map((c) => c.slug)
    expect(slugs).toContain('new')
    expect(slugs).toContain('excellent')
    expect(slugs).toContain('good')
    expect(slugs).toContain('fair')
    expect(slugs).toContain('poor')
  })

  it('creates a custom condition', async () => {
    const custom = await ItemConditionService.create(app.db, TEST_COMPANY_ID, {
      name: 'Refurbished',
      slug: 'refurbished',
      sortOrder: 10,
    })
    expect(custom.isSystem).toBe(false)
    expect(await ItemConditionService.validateSlug(app.db, TEST_COMPANY_ID, 'refurbished')).toBe(true)
  })
})