import { http, HttpResponse } from 'msw';
import type { ShareResponse, BondResponse, CandleItem, SearchResultItem } from '../api/responses';

const API = '/api/v1';

const mockShare: ShareResponse = {
  secid: 'SBER',
  isin: 'RU0009029540',
  name: 'Сбер Банк',
  shortName: 'Сбер',
  latName: 'Sberbank',
  listLevel: 1,
  issueSize: 21586900000,
  faceValue: 3,
  faceUnit: 'RUB',
  type: 'common_share',
  marketData: {
    price: 289.5,
    change: 2.5,
    changePercent: 0.87,
    open: 287,
    high: 291,
    low: 286.5,
    volume: 15000000,
    value: 4350000000,
    issueCapitalization: 6250000000000,
    updatedAt: '2024-01-15T10:00:00Z',
  },
};

const mockBond: BondResponse = {
  secid: 'SU26238RMFS5',
  isin: 'RU000A101XU7',
  name: 'ОФЗ 26238',
  shortName: 'ОФЗ 26238',
  latName: null,
  listLevel: 1,
  issueSize: 500000000,
  faceValue: 1000,
  faceUnit: 'RUB',
  matDate: '2027-05-15',
  couponValue: 36.9,
  couponPercent: 7.5,
  couponPeriod: 182,
  nextCoupon: '2024-07-15',
  accruedInt: 8.45,
  bondType: 'ОФЗ',
  bondSubType: 'ОФЗ-ПД',
  offerDate: null,
  buybackDate: null,
  marketData: {
    price: 98.5,
    yieldToMaturity: 8.2,
    duration: 3.5,
    accruedInt: 8.45,
    couponValue: 36.9,
    couponPercent: 7.5,
    nextCouponDate: '2024-07-15',
    open: 98.0,
    high: 99.0,
    low: 97.5,
    volume: 1000000,
    updatedAt: '2024-01-15T10:00:00Z',
  },
};

const mockCandles: CandleItem[] = [
  {
    open: 280,
    high: 290,
    low: 278,
    close: 289.5,
    volume: 1000000,
    value: 280000000,
    begin: '2024-01-15T10:00:00Z',
    end: '2024-01-15T18:00:00Z',
  },
  {
    open: 289,
    high: 292,
    low: 285,
    close: 288,
    volume: 800000,
    value: 231200000,
    begin: '2024-01-16T10:00:00Z',
    end: '2024-01-16T18:00:00Z',
  },
];

const mockDividends = [
  { registryCloseDate: '2024-07-10', value: 35.0, currency: 'RUB' },
  { registryCloseDate: '2023-10-05', value: 30.0, currency: 'RUB' },
];

const mockSearchResults: SearchResultItem[] = [
  {
    secid: 'SBER',
    isin: 'RU0009029540',
    shortName: 'Сбер',
    type: 'share',
    listLevel: 1,
    currency: 'RUB',
    price: 289.5,
  },
  {
    secid: 'VTBR',
    isin: 'RU000A0JP5V6',
    shortName: 'ВТБ',
    type: 'share',
    listLevel: 1,
    currency: 'RUB',
    price: 0.0234,
  },
];

const userResponse = {
  id: 1,
  email: 'user@test.com',
  name: 'Test User',
  role: 'user',
};

const authResponse = {
  user: userResponse,
  accessToken: 'mock-access-token',
};

const envelope = (data: unknown) => ({
  data: { data, meta: { fromCache: false, cachedAt: null } },
});

export const handlers = [
  http.get(`${API}/securities/search`, ({ request }) => {
    const url = new URL(request.url);
    const q = url.searchParams.get('q') || '';
    if (q.length < 2) {
      return HttpResponse.json(envelope([]));
    }
    const filtered = mockSearchResults.filter(
      (r) =>
        r.secid.toLowerCase().includes(q.toLowerCase()) ||
        r.shortName.toLowerCase().includes(q.toLowerCase()),
    );
    return HttpResponse.json(envelope(filtered));
  }),

  http.get(`${API}/securities/shares/:secid`, ({ params }) => {
    const { secid } = params;
    if (secid === 'NOTFOUND') return new HttpResponse(null, { status: 404 });
    return HttpResponse.json(envelope({ ...mockShare, secid } as ShareResponse));
  }),

  http.get(`${API}/securities/shares/:secid/candles`, () =>
    HttpResponse.json(envelope(mockCandles)),
  ),

  http.get(`${API}/securities/shares/:secid/dividends`, () =>
    HttpResponse.json(envelope(mockDividends)),
  ),

  http.get(`${API}/securities/bonds/:secid`, ({ params }) => {
    const { secid } = params;
    if (secid === 'NOTFOUND') return new HttpResponse(null, { status: 404 });
    return HttpResponse.json(envelope({ ...mockBond, secid } as BondResponse));
  }),

  http.get(`${API}/securities/bonds/:secid/candles`, () =>
    HttpResponse.json(envelope(mockCandles)),
  ),

  http.get(`${API}/auth/me`, () => HttpResponse.json(envelope(userResponse))),

  http.post(`${API}/auth/login`, () => HttpResponse.json(envelope(authResponse))),

  http.post(`${API}/auth/register`, () => HttpResponse.json(envelope(authResponse))),

  http.post(`${API}/auth/refresh`, () => HttpResponse.json(envelope(authResponse))),

  http.post(`${API}/auth/logout`, () => HttpResponse.json(envelope({ message: 'Logged out' }))),

  http.patch(`${API}/auth/me`, () =>
    HttpResponse.json(envelope({ ...userResponse, name: 'Updated' })),
  ),

  http.get(`${API}/health`, () =>
    HttpResponse.json(
      envelope({ status: 'ok', timestamp: new Date().toISOString(), uptime: 12345 }),
    ),
  ),
];