import { RelayApi } from "../../libraries/api.ts";
import { NotFoundError } from "../../mod.ts";
import { addNumbers } from "./actions.ts";
import { relay } from "./relay.ts";
import { User } from "./user.ts";

export let users: User[] = [];

export const api = new RelayApi([
  relay.method("user:create").handle(async ({ name, email }) => {
    const id = crypto.randomUUID();
    users.push({ id, name, email, createdAt: new Date() });
    return id;
  }),
  relay.method("user:get").handle(async (userId) => {
    const user = users.find((user) => user.id === userId);
    if (user === undefined) {
      return new NotFoundError();
    }
    return user;
  }),
  relay.method("user:update").handle(async ([userId, { name, email }]) => {
    for (const user of users) {
      if (user.id === userId) {
        user.name = name ?? user.name;
        user.email = email ?? user.email;
        break;
      }
    }
  }),
  relay.method("user:delete").handle(async (userId) => {
    users = users.filter((user) => user.id !== userId);
  }),
  relay
    .method("number:add")
    .actions([[addNumbers, (params) => params]])
    .handle(async (_, { sum }) => {
      return sum;
    }),
  relay.post("/users").handle(async ({ name, email }) => {
    const id = crypto.randomUUID();
    users.push({ id, name, email, createdAt: new Date() });
    return id;
  }),
  relay.get("/users/:userId").handle(async ({ userId }) => {
    const user = users.find((user) => user.id === userId);
    if (user === undefined) {
      return new NotFoundError();
    }
    return user;
  }),
  relay.put("/users/:userId").handle(async ({ userId }, { name, email }) => {
    for (const user of users) {
      if (user.id === userId) {
        user.name = name ?? user.name;
        user.email = email ?? user.email;
        break;
      }
    }
  }),
  relay.delete("/users/:userId").handle(async ({ userId }) => {
    users = users.filter((user) => user.id !== userId);
  }),
  relay
    .post("/numbers/add")
    .actions([[addNumbers, (body) => body]])
    .handle(async (_, { sum }) => {
      return sum;
    }),
]);