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import { opine, Router } from "../../mod.ts";import { expect, superdeno } from "../deps.ts";import { after, describe, it } from "../utils.ts";import type {  NextFunction,  Opine,  OpineRequest,  OpineResponse,} from "../../src/types.ts";
const app1 = opine();
app1.use(function (req, res, next) {  res.format({    "text/plain": function () {      res.send("hey");    },
    "text/html": function () {      res.send("<p>hey</p>");    },
    "application/json": function (a: any, b: any, c: any) {      expect(req).toEqual(a);      expect(res).toEqual(b);      expect(next).toEqual(c);      res.send({ message: "hey" });    },  });});
app1.use(  function (    err: any,    req: OpineRequest,    res: OpineResponse,    next: NextFunction,  ) {    if (!err.types) {      throw err;    }
    res.setStatus(err.status).send("Supports: " + err.types.join(", "));  },);
const app2 = opine();
app2.use(function (req, res, next) {  res.format({    text: function () {      res.send("hey");    },    html: function () {      res.send("<p>hey</p>");    },    json: function () {      res.send({ message: "hey" });    },  });});
app2.use(  function (    err: any,    req: OpineRequest,    res: OpineResponse,    next: NextFunction,  ) {    res.setStatus(err.status).send("Supports: " + err.types.join(", "));  },);
const app3 = opine();
app3.use(function (req, res, next) {  res.format({    text: function () {      res.send("hey");    },    default: function () {      res.send("default");    },  });});
const app4 = opine();
app4.get("/", function (req, res, next) {  res.format({    text: function () {      res.send("hey");    },    html: function () {      res.send("<p>hey</p>");    },    json: function () {      res.send({ message: "hey" });    },  });});
app4.use(  function (    err: any,    req: OpineRequest,    res: OpineResponse,    next: NextFunction,  ) {    res.setStatus(err.status).send("Supports: " + err.types.join(", "));  },);
const app5 = opine();
app5.use(function (req, res, next) {  res.format({    default: function () {      res.send("hey");    },  });});
describe("res", function () {  describe(".format(obj)", function () {    describe("with canonicalized mime types", function () {      test(app1);    });
    describe("with extnames", function () {      test(app2);    });
    describe("with parameters", function () {      const app = opine();
      app.use(function (req, res, next) {        res.format({          "text/plain; charset=utf-8": function () {            res.send("hey");          },          "text/html; foo=bar; bar=baz": function () {            res.send("<p>hey</p>");          },          "application/json; q=0.5": function () {            res.send({ message: "hey" });          },        });      });
      app.use(        function (          err: any,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          res.setStatus(err.status).send("Supports: " + err.types.join(", "));        },      );
      test(app);    });
    describe("given .default", function () {      it("should be invoked instead of auto-responding", function (done) {        superdeno(app3)          .get("/")          .set("Accept", "text/html")          .expect("default", done);      });
      it("should work when only .default is provided", function (done) {        superdeno(app5)          .get("/")          .set("Accept", "*/*")          .expect("hey", done);      });    });
    describe("in router", function () {      test(app4);    });
    describe("in router", function () {      const app = opine();      const router = Router();
      router.get("/", function (req, res, next) {        res.format({          text: function () {            res.send("hey");          },          html: function () {            res.send("<p>hey</p>");          },          json: function () {            res.send({ message: "hey" });          },        });      });
      router.use(        function (          err: any,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          res.setStatus(err.status).send("Supports: " + err.types.join(", "));        },      );
      app.use(router);
      test(app);    });  });});
function test(app: Opine) {  it("should utilize q values in negotiation", function (done) {    superdeno(app)      .get("/")      .set("Accept", "text/html; q=.5, application/json, */*; q=.1")      .expect({ "message": "hey" }, done);  });
  it("should allow wildcard type/subtypes", function (done) {    superdeno(app)      .get("/")      .set("Accept", "text/html; q=.5, application/*, */*; q=.1")      .expect({ "message": "hey" }, done);  });
  it("should default the Content-Type", function (done) {    superdeno(app)      .get("/")      .set("Accept", "text/html; q=.5, text/plain")      .expect("Content-Type", "text/plain; charset=utf-8")      .expect("hey", done);  });
  it("should set the correct charset for the Content-Type", function (done) {    const cb = after(3, done);
    superdeno(app)      .get("/")      .set("Accept", "text/html")      .expect("Content-Type", "text/html; charset=utf-8", cb);
    superdeno(app)      .get("/")      .set("Accept", "text/plain")      .expect("Content-Type", "text/plain; charset=utf-8", cb);
    superdeno(app)      .get("/")      .set("Accept", "application/json")      .expect("Content-Type", "application/json; charset=utf-8", cb);  });
  it("should vary: Accept", function (done) {    superdeno(app)      .get("/")      .set("Accept", "text/html; q=.5, text/plain")      .expect("vary", /Accept/, done);  });
  describe("when Accept is not present", function () {    it("should invoke the first callback", function (done) {      superdeno(app)        .get("/")        .expect("hey", done);    });  });
  describe("when no match is made", function () {    it("should should respond with 406 not acceptable", function (done) {      superdeno(app)        .get("/")        .set("Accept", "foo/bar")        .expect("Supports: text/plain, text/html, application/json")        .expect(406, done);    });  });}