import type { FastifyInstance, FastifyRequest } from 'fastify';
import { gameAuth, gameRoute } from './game-api.js';
import { ApiError, type GameSessionStore } from './game-session-store.js';
import type { RankedService } from './ranked-service.js';
import type { FighterAppearance } from '../shared/cosmetics.js';
import type { ActionId } from '../shared/types.js';

export function registerRankedApi(app: FastifyInstance, sessions: GameSessionStore, service: RankedService) {
  const identity = async (request: FastifyRequest) => {
    const session = await sessions.get(gameAuth(request));
    if (!session.playerId) throw new ApiError(401, 'INVALID_SESSION');
    return { playerId: session.playerId, gameSessionId: session.gameSessionId };
  };
  gameRoute(app, 'GET', '/api/profile', async request => service.profile((await identity(request)).playerId));
  gameRoute(app, 'POST', '/api/profile', async request => {
    const { playerId } = await identity(request);
    return service.updateProfile(playerId, request.body as { appearance?: FighterAppearance });
  });
  gameRoute(app, 'GET', '/api/ranked/leaderboard', async request => service.leaderboard((await identity(request)).playerId));
  for (const [url, method] of [['status', 'GET'], ['queue', 'POST'], ['cancel', 'POST']] as const) {
    gameRoute(app, method, `/api/ranked/${url}`, async request => {
      const { playerId, gameSessionId } = await identity(request);
      return service[url === 'queue' ? 'join' : url](playerId, gameSessionId);
    });
  }
  gameRoute(app, 'POST', '/api/ranked/action', async request => {
    const { playerId, gameSessionId } = await identity(request);
    const body = request.body as { matchId: string; turnId: number; action: ActionId } | undefined;
    if (!body) throw new ApiError(400, 'INVALID_REQUEST');
    return service.action(playerId, gameSessionId, body.matchId, body.turnId, body.action);
  });
  gameRoute(app, 'POST', '/api/ranked/leave', async request => {
    const { playerId, gameSessionId } = await identity(request);
    const body = request.body as { matchId: string } | undefined;
    if (!body) throw new ApiError(400, 'INVALID_REQUEST');
    return service.leave(playerId, gameSessionId, body.matchId);
  });
}