import { OpenAPIHono, createRoute, z } from "@hono/zod-openapi";

import {
  ErrorResponse,
  PaginatedResponseSchema,
  SuccessResponseSchema,
} from "~/types/schema";
import { HomeTitle } from "~/types/title/homeTitle";

import { fetchPopularTitlesFromAnilist } from "./anilist";
import { PopularCategory } from "./enum";

const BrowsePopularResponse = PaginatedResponseSchema(HomeTitle);

const app = new OpenAPIHono();

const route = createRoute({
  tags: ["aniplay", "title"],
  operationId: "browsePopularTitlesWithCategory",
  summary: "Get a preview of popular titles for a category",
  method: "get",
  path: "/{category}",
  request: {
    query: z.object({
      limit: z
        .number({ coerce: true })
        .int()
        .default(10)
        .describe("The number of titles to return"),
      page: z.number({ coerce: true }).int().min(1).default(1),
    }),
    params: z.object({ category: PopularCategory }),
  },
  responses: {
    200: {
      content: {
        "application/json": {
          schema: BrowsePopularResponse,
        },
      },
      description: "Returns an object containing a preview of popular titles",
    },
  },
});

app.openapi(route, async (c) => {
  const page = Number(c.req.query("page") ?? 1);
  const limit = Number(c.req.query("limit") ?? 10);
  const popularCategory = c.req.param("category") as PopularCategory;

  const response = await fetchPopularTitlesFromAnilist(
    popularCategory,
    page,
    limit,
  );
  if (!response) {
    return c.json(ErrorResponse, { status: 500 });
  }

  return c.json({
    success: true,
    results: response.results,
    hasNextPage: response.hasNextPage ?? false,
  });
});

export default app;