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

describe('Top-level member routes', () => {
  let app: FastifyInstance
  let token: string
  let accountId: string

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

  beforeEach(async () => {
    await cleanDb(app)
    await seedTestCompany(app)
    const auth = await registerAndLogin(app, { email: `members-${Date.now()}@test.com` })
    token = auth.token

    const res = await app.inject({
      method: 'POST',
      url: '/v1/accounts',
      headers: { authorization: `Bearer ${token}` },
      payload: { name: 'Test Family' },
    })
    accountId = res.json().id
  })

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

  describe('GET /v1/members', () => {
    it('lists all members across accounts', async () => {
      const account2Res = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Other Family' },
      })
      const account2Id = account2Res.json().id

      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Alice', lastName: 'Smith' },
      })
      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${account2Id}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Bob', lastName: 'Jones' },
      })

      const res = await app.inject({
        method: 'GET',
        url: '/v1/members',
        headers: { authorization: `Bearer ${token}` },
      })

      expect(res.statusCode).toBe(200)
      const body = res.json()
      expect(body.data.length).toBe(2)
      expect(body.data[0].accountName).toBeTruthy()
    })

    it('searches members by name', async () => {
      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Alice', lastName: 'Smith' },
      })
      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Bob', lastName: 'Jones' },
      })

      const res = await app.inject({
        method: 'GET',
        url: '/v1/members?q=alice',
        headers: { authorization: `Bearer ${token}` },
      })

      expect(res.statusCode).toBe(200)
      expect(res.json().data.length).toBe(1)
      expect(res.json().data[0].firstName).toBe('Alice')
    })
  })

  describe('Auto-generated numbers', () => {
    it('generates account number on create', async () => {
      const res = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Number Test' },
      })

      expect(res.statusCode).toBe(201)
      const body = res.json()
      expect(body.accountNumber).toBeTruthy()
      expect(body.accountNumber.length).toBe(6)
    })

    it('generates member number on create', async () => {
      const res = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Test', lastName: 'Member' },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().memberNumber).toBeTruthy()
      expect(res.json().memberNumber.length).toBe(6)
    })
  })

  describe('Primary member', () => {
    it('auto-sets primary member on first member create', async () => {
      const memberRes = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Primary', lastName: 'Person' },
      })
      const memberId = memberRes.json().id

      const accountRes = await app.inject({
        method: 'GET',
        url: `/v1/accounts/${accountId}`,
        headers: { authorization: `Bearer ${token}` },
      })

      expect(accountRes.json().primaryMemberId).toBe(memberId)
    })

    it('does not overwrite primary on second member', async () => {
      const first = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'First', lastName: 'Person' },
      })

      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Second', lastName: 'Person' },
      })

      const accountRes = await app.inject({
        method: 'GET',
        url: `/v1/accounts/${accountId}`,
        headers: { authorization: `Bearer ${token}` },
      })

      expect(accountRes.json().primaryMemberId).toBe(first.json().id)
    })
  })

  describe('POST /v1/members/:id/move', () => {
    it('moves member to existing account', async () => {
      const memberRes = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Mover', lastName: 'Person' },
      })
      const memberId = memberRes.json().id

      const newAccountRes = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Target Account' },
      })
      const targetId = newAccountRes.json().id

      const moveRes = await app.inject({
        method: 'POST',
        url: `/v1/members/${memberId}/move`,
        headers: { authorization: `Bearer ${token}` },
        payload: { accountId: targetId },
      })

      expect(moveRes.statusCode).toBe(200)
      expect(moveRes.json().accountId).toBe(targetId)
    })

    it('moves member to new account when no accountId given', async () => {
      const memberRes = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Solo', lastName: 'Flyer' },
      })
      const memberId = memberRes.json().id

      const moveRes = await app.inject({
        method: 'POST',
        url: `/v1/members/${memberId}/move`,
        headers: { authorization: `Bearer ${token}` },
        payload: {},
      })

      expect(moveRes.statusCode).toBe(200)
      expect(moveRes.json().accountId).not.toBe(accountId)
    })
  })

  describe('Account search includes members', () => {
    it('finds account by member name', async () => {
      await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'UniqueChildName', lastName: 'Smith' },
      })

      const res = await app.inject({
        method: 'GET',
        url: '/v1/accounts?q=UniqueChildName',
        headers: { authorization: `Bearer ${token}` },
      })

      expect(res.statusCode).toBe(200)
      expect(res.json().data.length).toBe(1)
      expect(res.json().data[0].id).toBe(accountId)
    })
  })

  describe('isMinor flag', () => {
    it('accepts explicit isMinor without DOB', async () => {
      const res = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${accountId}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Kid', lastName: 'NoDate', isMinor: true },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().isMinor).toBe(true)
      expect(res.json().dateOfBirth).toBeNull()
    })
  })

  describe('Account inheritance', () => {
    it('inherits email, phone from account when not provided', async () => {
      const acctRes = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Email Family', email: 'family@test.com', phone: '555-1234' },
      })

      const res = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${acctRes.json().id}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Child', lastName: 'One' },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().email).toBe('family@test.com')
      expect(res.json().phone).toBe('555-1234')
    })

    it('uses member email when provided instead of account', async () => {
      const acctRes = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Override Family', email: 'family@test.com' },
      })

      const res = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${acctRes.json().id}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Adult', lastName: 'Own', email: 'own@test.com' },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().email).toBe('own@test.com')
    })

    it('inherits address from account when not provided', async () => {
      const acctRes = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: {
          name: 'Address Family',
          address: { street: '123 Main St', city: 'Austin', state: 'TX', zip: '78701' },
        },
      })

      const res = await app.inject({
        method: 'POST',
        url: `/v1/accounts/${acctRes.json().id}/members`,
        headers: { authorization: `Bearer ${token}` },
        payload: { firstName: 'Kid', lastName: 'Home' },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().address.city).toBe('Austin')
      expect(res.json().address.state).toBe('TX')
    })
  })

  describe('State normalization', () => {
    it('normalizes state name to code on account', async () => {
      const res = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'State Test', address: { state: 'texas' } },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().address.state).toBe('TX')
    })

    it('normalizes full state name to code', async () => {
      const res = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'State Name Test', address: { state: 'California' } },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().address.state).toBe('CA')
    })

    it('leaves unrecognized state codes as-is', async () => {
      const res = await app.inject({
        method: 'POST',
        url: '/v1/accounts',
        headers: { authorization: `Bearer ${token}` },
        payload: { name: 'Foreign Test', address: { state: 'ON' } },
      })

      expect(res.statusCode).toBe(201)
      expect(res.json().address.state).toBe('ON')
    })
  })
})