// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package emoji_test

import (
	"io/ioutil"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/suite"
	"github.com/superseriousbusiness/gotosocial/internal/api/activitypub/emoji"
	"github.com/superseriousbusiness/gotosocial/internal/db"
	"github.com/superseriousbusiness/gotosocial/internal/email"
	"github.com/superseriousbusiness/gotosocial/internal/federation"
	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
	"github.com/superseriousbusiness/gotosocial/internal/media"
	"github.com/superseriousbusiness/gotosocial/internal/middleware"
	"github.com/superseriousbusiness/gotosocial/internal/processing"
	"github.com/superseriousbusiness/gotosocial/internal/state"
	"github.com/superseriousbusiness/gotosocial/internal/storage"
	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
	"github.com/superseriousbusiness/gotosocial/internal/visibility"
	"github.com/superseriousbusiness/gotosocial/testrig"
)

type EmojiGetTestSuite struct {
	suite.Suite
	db           db.DB
	tc           typeutils.TypeConverter
	mediaManager media.Manager
	federator    federation.Federator
	emailSender  email.Sender
	processor    *processing.Processor
	storage      *storage.Driver
	state        state.State

	testEmojis   map[string]*gtsmodel.Emoji
	testAccounts map[string]*gtsmodel.Account

	emojiModule *emoji.Module

	signatureCheck gin.HandlerFunc
}

func (suite *EmojiGetTestSuite) SetupSuite() {
	suite.testAccounts = testrig.NewTestAccounts()
	suite.testEmojis = testrig.NewTestEmojis()
}

func (suite *EmojiGetTestSuite) SetupTest() {
	suite.state.Caches.Init()
	testrig.StartWorkers(&suite.state)

	testrig.InitTestConfig()
	testrig.InitTestLog()

	suite.db = testrig.NewTestDB(&suite.state)
	suite.state.DB = suite.db
	suite.storage = testrig.NewInMemoryStorage()
	suite.state.Storage = suite.storage
	suite.tc = testrig.NewTestTypeConverter(suite.db)

	testrig.StartTimelines(
		&suite.state,
		visibility.NewFilter(&suite.state),
		suite.tc,
	)

	suite.mediaManager = testrig.NewTestMediaManager(&suite.state)
	suite.federator = testrig.NewTestFederator(&suite.state, testrig.NewTestTransportController(&suite.state, testrig.NewMockHTTPClient(nil, "../../../../testrig/media")), suite.mediaManager)
	suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil)
	suite.processor = testrig.NewTestProcessor(&suite.state, suite.federator, suite.emailSender, suite.mediaManager)
	suite.emojiModule = emoji.New(suite.processor)
	testrig.StandardDBSetup(suite.db, suite.testAccounts)
	testrig.StandardStorageSetup(suite.storage, "../../../../testrig/media")

	suite.signatureCheck = middleware.SignatureCheck(suite.db.IsURIBlocked)
}

func (suite *EmojiGetTestSuite) TearDownTest() {
	testrig.StandardDBTeardown(suite.db)
	testrig.StandardStorageTeardown(suite.storage)
	testrig.StopWorkers(&suite.state)
}

func (suite *EmojiGetTestSuite) TestGetEmoji() {
	// the dereference we're gonna use
	derefRequests := testrig.NewTestDereferenceRequests(suite.testAccounts)
	signedRequest := derefRequests["foss_satan_dereference_emoji"]
	targetEmoji := suite.testEmojis["rainbow"]

	// setup request
	recorder := httptest.NewRecorder()
	ctx, _ := testrig.CreateGinTestContext(recorder, nil)
	ctx.Request = httptest.NewRequest(http.MethodGet, targetEmoji.URI, nil) // the endpoint we're hitting
	ctx.Request.Header.Set("accept", "application/activity+json")
	ctx.Request.Header.Set("Signature", signedRequest.SignatureHeader)
	ctx.Request.Header.Set("Date", signedRequest.DateHeader)

	// we need to pass the context through signature check first to set appropriate values on it
	suite.signatureCheck(ctx)

	// normally the router would populate these params from the path values,
	// but because we're calling the function directly, we need to set them manually.
	ctx.Params = gin.Params{
		gin.Param{
			Key:   emoji.EmojiIDKey,
			Value: targetEmoji.ID,
		},
	}

	// trigger the function being tested
	suite.emojiModule.EmojiGetHandler(ctx)

	// check response
	suite.EqualValues(http.StatusOK, recorder.Code)

	result := recorder.Result()
	defer result.Body.Close()
	b, err := ioutil.ReadAll(result.Body)
	suite.NoError(err)

	suite.Contains(string(b), `"icon":{"mediaType":"image/png","type":"Image","url":"http://localhost:8080/fileserver/01AY6P665V14JJR0AFVRT7311Y/emoji/original/01F8MH9H8E4VG3KDYJR9EGPXCQ.png"},"id":"http://localhost:8080/emoji/01F8MH9H8E4VG3KDYJR9EGPXCQ","name":":rainbow:","type":"Emoji"`)
}

func TestEmojiGetTestSuite(t *testing.T) {
	suite.Run(t, new(EmojiGetTestSuite))
}