"use strict";

const app = require("../../app");
const request = require("supertest");
require("should");

describe("GET /api/todos", function() {
  it("should respond with JSON array", function(done) {
    request(app)
      .get("/api/todos")
      .expect(200)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        res.body.should.be.instanceof(Array);
        done();
      });
  });
});

describe("POST /api/todos", function() {
  it("should create the todo and return with the todo", function(done) {
    request(app)
      .post("/api/todos")
      .send({
        title: "learn about endpoint/server side testing",
        completed: false
      })
      .expect(201)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        res.body.should.have.property("_id");
        res.body.title.should.equal("learn about endpoint/server side testing");
        res.body.completed.should.equal(false);
        done();
      });
  });
});

describe("GET /api/todos/:id", function() {
  let todoId;
  beforeEach(function createObjectToUpdate(done) {
    request(app)
      .post("/api/todos")
      .send({
        title: "learn about endpoint/server side testing",
        completed: false
      })
      .expect(201)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        todoId = res.body._id;
        done();
      });
  });
  it("should update the todo", function(done) {
    request(app)
      .get("/api/todos/" + todoId)
      .expect(200)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        res.body._id.should.equal(todoId);
        res.body.title.should.equal("learn about endpoint/server side testing");
        res.body.completed.should.equal(false);
        done();
      });
  });
  it("should return 404 for valid mongo object id that does not exist", function(done) {
    request(app)
      .get("/api/todos/" + "abcdef0123456789ABCDEF01")
      .expect(404)
      .end(function(err) {
        if (err) return done(err);
        done();
      });
  });
  it("should return 400 for invalid object ids", function(done) {
    request(app)
      .get("/api/todos/" + 123)
      .expect(400)
      .end(function(err, res) {
        if (err) return done(err);
        res.text.should.equal("not a valid mongo object id");
        done();
      });
  });
});

describe("DELETE /api/todos/:id", function() {
  let todoId;
  beforeEach(function createObjectToUpdate(done) {
    request(app)
      .post("/api/todos")
      .send({
        title: "learn about endpoint/server side testing",
        completed: false
      })
      .expect(201)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        todoId = res.body._id;
        done();
      });
  });
  it("should delete the todo", function(done) {
    request(app)
      .delete("/api/todos/" + todoId)
      .expect(204)
      .end(function(err) {
        if (err) return done(err);
        done();
      });
  });
  it("should return 404 for valid mongo object id that does not exist", function(done) {
    request(app)
      .delete("/api/todos/" + "abcdef0123456789ABCDEF01")
      .expect(404)
      .end(function(err) {
        if (err) return done(err);
        done();
      });
  });
  it("should return 400 for invalid object ids", function(done) {
    request(app)
      .delete("/api/todos/" + 123)
      .send({ title: "LOVE endpoint/server side testing!", completed: true })
      .expect(400)
      .end(function(err, res) {
        if (err) return done(err);
        res.text.should.equal("not a valid mongo object id");
        done();
      });
  });
});

describe("PUT /api/todos/:id", function() {
  let todoId;
  beforeEach(function createObjectToUpdate(done) {
    request(app)
      .post("/api/todos")
      .send({
        title: "learn about endpoint/server side testing",
        completed: false
      })
      .expect(201)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        todoId = res.body._id;
        done();
      });
  });
  it("should update the todo", function(done) {
    request(app)
      .put("/api/todos/" + todoId)
      .send({ title: "LOVE endpoint/server side testing!", completed: true })
      .expect(200)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        res.body.should.have.property("_id");
        res.body.title.should.equal("LOVE endpoint/server side testing!");
        res.body.completed.should.equal(true);
        done();
      });
  });
  it("should return 404 for valid mongo object id that does not exist", function(done) {
    request(app)
      .put("/api/todos/" + "abcdef0123456789ABCDEF01")
      .send({ title: "LOVE endpoint/server side testing!", completed: true })
      .expect(404)
      .end(function(err) {
        if (err) return done(err);
        done();
      });
  });
  it("should return 400 for invalid object ids", function(done) {
    request(app)
      .put("/api/todos/" + 123)
      .send({ title: "LOVE endpoint/server side testing!", completed: true })
      .expect(400)
      .end(function(err, res) {
        if (err) return done(err);
        res.text.should.equal("not a valid mongo object id");
        done();
      });
  });



  // Exercise 3 test case!
  it("should mark todo as important and persist it", function(done) {
    request(app)
      .put("/api/todos/" + todoId)
      .send({ title: "LOVE endpoint/server side testing!", completed: true, important: true })
      .expect(200)
      .expect("Content-Type", /json/)
      .end(function(err, res) {
        if (err) return done(err);
        res.body.should.have.property("_id");
        res.body.title.should.equal("LOVE endpoint/server side testing!");
        // YOUR TEST GO HERE
        res.body.important.should.equal(true);
        done();
      });
  });

});