import { Router } from 'express';
import { z } from 'zod';

import type {
  PlatformBrowseHistoryBatchSyncRequest,
  PlatformBrowseHistoryResponse,
  PlatformBrowseHistoryWriteEntry,
  ProfileDashboardSummary,
  ProfilePlayStatsResponse,
  ProfileWalletLedgerResponse,
  RuntimeSettings,
} from '../../../../packages/shared/src/contracts/runtime.js';
import { PLATFORM_THEMES } from '../../../../packages/shared/src/contracts/runtime.js';
import type { AppContext } from '../../context.js';
import { asyncHandler, sendApiResponse } from '../../http.js';
import { requireJwtAuth } from '../../middleware/auth.js';
import { routeMeta } from '../../middleware/routeMeta.js';

const platformBrowseHistoryEntrySchema = z.object({
  ownerUserId: z.string().trim().min(1),
  profileId: z.string().trim().min(1),
  worldName: z.string().trim().min(1),
  subtitle: z.string().trim().optional().default(''),
  summaryText: z.string().trim().optional().default(''),
  coverImageSrc: z.string().trim().nullable().optional().default(null),
  themeMode: z.string().trim().optional().default('mythic'),
  authorDisplayName: z.string().trim().optional().default('玩家'),
  visitedAt: z.string().trim().optional().default(''),
});

const platformBrowseHistoryBatchSchema = z.object({
  entries: z.array(platformBrowseHistoryEntrySchema).max(100),
});

const settingsSchema = z.object({
  musicVolume: z.number().min(0).max(1),
  platformTheme: z.enum(PLATFORM_THEMES),
});

export const RPG_PROFILE_ROUTE_BASE_PATH = '/api/runtime/profile';
export const RPG_PROFILE_LEGACY_ROUTE_BASE_PATH = '/api/profile';

function routeCompatPaths(path: string) {
  return [path, path.replace('runtime/', '')] as const;
}

export function createRpgProfileRoutes(context: AppContext) {
  const router = Router();
  const requireAuth = requireJwtAuth(context.config, context.userRepository);

  routeCompatPaths('/api/runtime/profile/dashboard').forEach((path, index) => {
    router.get(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.dashboard.get'
            : 'profile.dashboard.get.compat',
      }),
      asyncHandler(async (request, response) => {
        sendApiResponse<ProfileDashboardSummary>(
          response,
          await context.rpgProfileDashboardRepository.getProfileDashboard(
            request.userId!,
          ),
        );
      }),
    );
  });

  routeCompatPaths('/api/runtime/profile/wallet-ledger').forEach((path, index) => {
    router.get(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.walletLedger.list'
            : 'profile.walletLedger.list.compat',
      }),
      asyncHandler(async (request, response) => {
        sendApiResponse<ProfileWalletLedgerResponse>(response, {
          entries:
            await context.rpgProfileDashboardRepository.listProfileWalletLedger(
              request.userId!,
            ),
        });
      }),
    );
  });

  routeCompatPaths('/api/runtime/profile/play-stats').forEach((path, index) => {
    router.get(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.playStats.get'
            : 'profile.playStats.get.compat',
      }),
      asyncHandler(async (request, response) => {
        sendApiResponse<ProfilePlayStatsResponse>(
          response,
          await context.rpgProfileDashboardRepository.getProfilePlayStats(
            request.userId!,
          ),
        );
      }),
    );
  });

  routeCompatPaths('/api/runtime/profile/browse-history').forEach((path, index) => {
    router.get(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.browseHistory.list'
            : 'profile.browseHistory.list.compat',
      }),
      asyncHandler(async (request, response) => {
        sendApiResponse<PlatformBrowseHistoryResponse>(response, {
          entries: await context.rpgBrowseHistoryRepository.listPlatformBrowseHistory(
            request.userId!,
          ),
        });
      }),
    );

    router.post(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.browseHistory.upsert'
            : 'profile.browseHistory.upsert.compat',
      }),
      asyncHandler(async (request, response) => {
        const rawBody =
          request.body && typeof request.body === 'object' ? request.body : {};
        const payload = (
          'entries' in rawBody
            ? platformBrowseHistoryBatchSchema.parse(rawBody)
            : platformBrowseHistoryEntrySchema.parse(rawBody)
        ) as
          | PlatformBrowseHistoryBatchSyncRequest
          | PlatformBrowseHistoryWriteEntry;

        const entries = 'entries' in payload ? payload.entries : [payload];

        sendApiResponse<PlatformBrowseHistoryResponse>(response, {
          entries:
            await context.rpgBrowseHistoryRepository.upsertPlatformBrowseHistoryEntries(
              request.userId!,
              entries,
            ),
        });
      }),
    );

    router.delete(
      path.replace('/api/', '/'),
      requireAuth,
      routeMeta({
        operation:
          index === 0
            ? 'profile.browseHistory.clear'
            : 'profile.browseHistory.clear.compat',
      }),
      asyncHandler(async (request, response) => {
        await context.rpgBrowseHistoryRepository.clearPlatformBrowseHistory(
          request.userId!,
        );
        sendApiResponse<PlatformBrowseHistoryResponse>(response, {
          entries: [],
        });
      }),
    );
  });

  router.get(
    '/api/runtime/settings'.replace('/api/', '/'),
    requireAuth,
    routeMeta({ operation: 'runtime.settings.get' }),
    asyncHandler(async (request, response) => {
      sendApiResponse(
        response,
        await context.rpgProfileDashboardRepository.getSettings(request.userId!),
      );
    }),
  );

  router.put(
    '/api/runtime/settings'.replace('/api/', '/'),
    requireAuth,
    routeMeta({ operation: 'runtime.settings.put' }),
    asyncHandler(async (request, response) => {
      const payload = settingsSchema.parse(request.body) as RuntimeSettings;
      sendApiResponse(
        response,
        await context.rpgProfileDashboardRepository.putSettings(
          request.userId!,
          payload,
        ),
      );
    }),
  );

  return router;
}