import { DatabaseError, ErrorBase, InputError } from "@/errors";
import Logger from "@/lib/logger";
import { ChannelEntity } from "@/modules/entities/Channel";
import { ChannelRepository } from "@/modules/repositories/Channel";
import type { FastifyInstance } from "fastify";
import z from "zod/v3";

export default async function ChannelEdit(fastify: FastifyInstance) {
  const logger = new Logger("Endpoint | channel/edit");

  fastify.post("/", async (req, res) => {
    res.header("Content-Type", "application/json");

    if ("error" in req.token)
      return res.code(400).send(req.token);

    const result = ChannelRepository.schema
      .omit({ userid: true, community: true }).partial()
      .merge(z.object({ id: z.string().length(10) }))
      .refine(data =>
        !Object.keys(data).length
      ).safeParse(req.body);

    if (!result.success) {
      return res.code(400).send(InputError(result.error.issues));
    }

    try {
      const channelRepo = fastify.orm.em.getRepository(ChannelEntity);
      const itChannel = await channelRepo.findOne({ id: result.data.id });

      if (!itChannel) {
        return res.code(400).send(ErrorBase({
          bad: "client",
          code: "channel_not_found",
          message: "対象のチャンネルが見つかりませんでした。",
        }));
      }

      const id = await channelRepo.editChannel(itChannel, result.data);

      return res.send({
        success: true,
        id,
      });
    } catch (err) {
      logger.error("Database Error:", err);
      
      return res.code(500).send(DatabaseError());
    }
  });
}