import type { Static } from "@sinclair/typebox"
import { Type } from "@sinclair/typebox"
import type { FastifyPluginAsync, FastifySchema } from "fastify"

import prisma from "#src/tools/database/prisma.js"
import { fastifyErrors } from "#src/models/utils.js"
import authenticateUser from "#src/tools/plugins/authenticateUser.js"
import { channelSchema } from "#src/models/Channel.js"

const parametersSchema = Type.Object({
  channelId: channelSchema.id,
})

type Parameters = Static<typeof parametersSchema>

const getServiceSchema: FastifySchema = {
  description: "GET a channel with its id.",
  tags: ["channels"] as string[],
  security: [
    {
      bearerAuth: [],
    },
  ] as Array<{ [key: string]: [] }>,
  params: parametersSchema,
  response: {
    200: Type.Object({
      channel: Type.Object(channelSchema),
    }),
    400: fastifyErrors[400],
    401: fastifyErrors[401],
    403: fastifyErrors[403],
    404: fastifyErrors[404],
    500: fastifyErrors[500],
  },
} as const

export const getChannelByIdService: FastifyPluginAsync = async (fastify) => {
  await fastify.register(authenticateUser)

  fastify.route<{
    Params: Parameters
  }>({
    method: "GET",
    url: "/channels/:channelId",
    schema: getServiceSchema,
    handler: async (request, reply) => {
      if (request.user == null) {
        throw fastify.httpErrors.forbidden()
      }
      const { channelId } = request.params
      const channel = await prisma.channel.findUnique({
        where: { id: channelId },
      })
      if (channel == null) {
        throw fastify.httpErrors.notFound("Channel not found")
      }
      const member = await prisma.member.findFirst({
        where: { guildId: channel.guildId, userId: request.user.current.id },
      })
      if (member == null) {
        throw fastify.httpErrors.notFound("Channel not found")
      }
      reply.statusCode = 200
      return { channel }
    },
  })
}