import { toAdminMarketValuationDto, toAdminPricingObservationDto } from '@pokemon-inventory/contracts/pricing';
import { createMarketValueOverrideSchema, createPricingObservationSchema } from '@pokemon-inventory/validation/pricing';

import { createApplicationError } from '../../../shared/errors/application-error.js';

function validationError(reply, result) {
  return reply.code(400).send({
    error: {
      code: 'VALIDATION_ERROR',
      message: 'Request validation failed.',
      details: result.error.issues.map(({ message, path }) => ({ message, path })),
    },
  });
}

export async function registerAdminPricingRoutes(app, options) {
  const {
    authenticateAdmin = async () => { throw createApplicationError('UNAUTHORIZED', 'Authentication is required.', 401); },
    authorizeUnsafeRequest,
    sessionCookieName = 'pokemon_inventory_session',
    pricingService,
  } = options;

  app.addHook('preHandler', async (request) => {
    const admin = await authenticateAdmin(request);
    if (!admin?.sellerId) throw createApplicationError('UNAUTHORIZED', 'Authentication is required.', 401);
    request.admin = admin;
  });

  app.post('/pricing/observations', async (request, reply) => {
    await authorizeUnsafeRequest?.(request.cookies[sessionCookieName], request.headers['x-csrf-token']);
    const result = createPricingObservationSchema.safeParse(request.body);
    if (!result.success) return validationError(reply, result);
    const observation = await pricingService.addObservation({ ...result.data, sellerId: request.admin.sellerId });
    return reply.code(201).send({ data: toAdminPricingObservationDto(observation) });
  });

  app.post('/inventory/:id/valuation', async (request, reply) => {
    await authorizeUnsafeRequest?.(request.cookies[sessionCookieName], request.headers['x-csrf-token']);
    const valuation = await pricingService.calculate({ sellerId: request.admin.sellerId, inventoryItemId: request.params.id });
    return reply.code(200).send({ data: toAdminMarketValuationDto(valuation) });
  });

  app.post('/inventory/:id/valuation/override', async (request, reply) => {
    await authorizeUnsafeRequest?.(request.cookies[sessionCookieName], request.headers['x-csrf-token']);
    const result = createMarketValueOverrideSchema.safeParse(request.body);
    if (!result.success) return validationError(reply, result);
    const override = await pricingService.override({
      ...result.data,
      inventoryItemId: request.params.id,
      sellerId: request.admin.sellerId,
      actorUserId: request.admin.userId,
    });
    return reply.code(201).send({ data: override });
  });
}