package app

import (
	"context"
	"errors"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/brokers"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/controllers"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/initialize"
	http "penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/server"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/service"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/workers/data_updater"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/workers/limiter"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/workers/post_deals_worker"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/workers/queueUpdater"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/internal/workers_methods"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/pkg/bitrixClient"
	"penahub.gitlab.yandexcloud.net/backend/quiz/bitrix/pkg/closer"
	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/dal"
	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/utils"
	"time"

	"go.uber.org/zap"
)

func Run(ctx context.Context, config initialize.Config, logger *zap.Logger) error {
	defer func() {
		if r := recover(); r != nil {
			logger.Error("Recovered from a panic", zap.Any("error", r))
		}
	}()

	logger.Info("App started", zap.Any("config", config))

	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	shutdownGroup := closer.NewCloserGroup()

	kafka, err := initialize.KafkaConsumerInit(ctx, config)
	if err != nil {
		logger.Error("error init kafka consumer", zap.Error(err))
		return err
	}

	producer := brokers.NewProducer(brokers.ProducerDeps{
		KafkaClient: kafka,
		Logger:      logger,
	})

	encrypt := utils.NewEncrypt(config.PublicKey, config.PrivateKey)

	bitrixRepo, err := dal.NewBitrixDal(ctx, config.PostgresCredentials)
	if err != nil {
		logger.Error("error init bitrix repo in common repo", zap.Error(err))
		return err
	}

	// https://apidocs.bitrix24.ru/limits.html
	rateLimiter := limiter.NewRateLimiter(ctx, 50, 2*time.Second)

	bitrixClientApi := bitrixClient.NewBitrixClient(bitrixClient.BitrixDeps{
		Logger:            logger,
		RedirectionURL:    config.ReturnURL,
		IntegrationID:     config.IntegrationID,
		IntegrationSecret: config.IntegrationSecret,
		RateLimiter:       rateLimiter,
	})

	svc := service.NewService(service.Deps{
		Repository:   bitrixRepo,
		Logger:       logger,
		BitrixClient: bitrixClientApi,
		Producer:     producer,
		Config:       config,
		Encrypt:      encrypt,
	})

	cntrlDeps := controllers.Deps{
		Service:     svc,
		Logger:      logger,
		RedirectURL: config.RedirectURL,
		Encrypt:     encrypt,
	}

	controller := controllers.NewController(cntrlDeps)

	webhookController := controllers.NewWebhookController(cntrlDeps)

	workerMethods := workers_methods.NewWorkersMethods(workers_methods.Deps{
		Repo:         bitrixRepo,
		BitrixClient: bitrixClientApi,
		Logger:       logger,
	})

	dataUpdater := data_updater.NewDataUpdaterWC(data_updater.Deps{
		Logger:   logger,
		Producer: producer,
	})

	queUpdater := queueUpdater.NewQueueUpdater(queueUpdater.Deps{
		Logger:      logger,
		KafkaClient: kafka,
		Methods:     workerMethods,
	})

	dealsPoster := post_deals_worker.NewDealsWC(post_deals_worker.Deps{
		BitrixRepo:   bitrixRepo,
		BitrixClient: bitrixClientApi,
		Logger:       logger,
	})
	//
	//fieldsPoster := post_fields_worker.NewPostFieldsWC(post_fields_worker.Deps{
	//	AmoRepo:   amoRepo,
	//	AmoClient: amoClient,
	//	RedisRepo: redisRepo,
	//	Logger:    logger,
	//})
	//
	go dataUpdater.Start(ctx)
	go queUpdater.Start(ctx)
	go dealsPoster.Start(ctx)
	//go fieldsPoster.Start(ctx)

	server := http.NewServer(http.ServerConfig{
		Controllers: []http.Controller{
			controller,
			webhookController,
		},
	})

	go func() {
		if err := server.Start(config.HTTPHost + ":" + config.HTTPPort); err != nil {
			logger.Error("Server startup error", zap.Error(err))
			cancel()
		}
	}()

	server.ListRoutes()

	shutdownGroup.Add(closer.CloserFunc(server.Shutdown))
	shutdownGroup.Add(closer.CloserFunc(bitrixRepo.Close))
	//shutdownGroup.Add(closer.CloserFunc(redisRepo.Close))
	shutdownGroup.Add(closer.CloserFunc(rateLimiter.Stop))
	shutdownGroup.Add(closer.CloserFunc(dataUpdater.Stop))
	shutdownGroup.Add(closer.CloserFunc(queUpdater.Stop))
	shutdownGroup.Add(closer.CloserFunc(dealsPoster.Stop))
	//shutdownGroup.Add(closer.CloserFunc(fieldsPoster.Stop))

	<-ctx.Done()

	timeoutCtx, timeoutCancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer timeoutCancel()
	if err := shutdownGroup.Call(timeoutCtx); err != nil {
		if errors.Is(err, context.DeadlineExceeded) {
			logger.Error("Shutdown timed out", zap.Error(err))
		} else {
			logger.Error("Failed to shutdown services gracefully", zap.Error(err))
		}
		return err
	}

	logger.Info("Application has stopped")
	return nil
}