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

import { API_URL } from "#src/tools/configurations.js"
import { fastifyErrors } from "#src/models/utils.js"
import { GITHUB_BASE_URL, GITHUB_CLIENT_ID } from "../__utils__/utils.js"

const querySchema = Type.Object({
  redirectURI: Type.String({ format: "uri-reference" }),
})

type QuerySchemaType = Static<typeof querySchema>

const getServiceSchema: FastifySchema = {
  description: "GitHub OAuth2 - signin",
  tags: ["oauth2"] as string[],
  querystring: querySchema,
  response: {
    200: Type.String(),
    400: fastifyErrors[400],
    500: fastifyErrors[500],
  },
} as const

export const getSigninGitHubOAuth2Service: FastifyPluginAsync = async (
  fastify,
) => {
  await fastify.route<{
    Querystring: QuerySchemaType
  }>({
    method: "GET",
    url: "/users/oauth2/github/signin",
    schema: getServiceSchema,
    handler: async (request, reply) => {
      const { redirectURI } = request.query
      const redirectCallback = `${API_URL}/users/oauth2/github/callback?redirectURI=${redirectURI}`
      const url = `${GITHUB_BASE_URL}/login/oauth/authorize?client_id=${GITHUB_CLIENT_ID}&redirect_uri=${redirectCallback}`
      reply.statusCode = 200
      return url
    },
  })
}