package main

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gorilla/mux"
	"github.com/stretchr/testify/assert"
)

func TestIndexRoute(t *testing.T) {
	t.Run("Index route returns valid response", func(t *testing.T) {
		request := httptest.NewRequest(http.MethodGet, "/", nil)
		responseRecorder := httptest.NewRecorder()

		IndexHandler(responseRecorder, request)

		assert.Equal(t, responseRecorder.Code, 200, "Response code should be 200")
		assert.NotNil(t, responseRecorder.Body, "Response should contain body")
	})
}

func TestEndpointRoute(t *testing.T) {
	// TODO: Use mock/fake for dummy pipeline data
	givenEndpoint := Pipeline{
		Name:           "example pipeline",
		Slug:           "example",
		Type:           0,
		RemoveMetadata: false,
		Steps: []Step{
			{
				Name: "resize image",
				Type: 0,
			},
			{
				Name: "compress image",
				Type: 1,
			},
		},
	}

	t.Run("Registered pipelines are valid routes", func(t *testing.T) {
		router := mux.NewRouter()
		RegisterPipelineRoutes(router, []IPipeline{givenEndpoint})

		request, _ := http.NewRequest("GET", "/"+givenEndpoint.Slug, nil)
		responseRecorder := httptest.NewRecorder()

		router.ServeHTTP(responseRecorder, request)

		assert.Equal(t, responseRecorder.Code, 200)
		body, _ := json.Marshal(givenEndpoint)
		assert.JSONEq(t, string(body), responseRecorder.Body.String())
	})

	t.Run("Unregistered pipelines return 404", func(t *testing.T) {
		router := mux.NewRouter()

		request, _ := http.NewRequest("GET", "/"+givenEndpoint.Slug, nil)
		responseRecorder := httptest.NewRecorder()

		router.ServeHTTP(responseRecorder, request)

		assert.Equal(t, responseRecorder.Code, 404)
	})
}