package data_updater

import (
	"amocrm/internal/models/amo"
	"amocrm/internal/repository"
	"amocrm/pkg/amoClient"
	"context"
	"go.uber.org/zap"
	"time"
)

type Deps struct {
	AmoClient *amoClient.Amo
	Repo      *repository.Repository
	Logger    *zap.Logger
}

type DataUpdater struct {
	amoClient *amoClient.Amo
	repo      *repository.Repository
	logger    *zap.Logger
}

func NewDataUpdaterWC(deps Deps) *DataUpdater {
	return &DataUpdater{
		amoClient: deps.AmoClient,
		repo:      deps.Repo,
		logger:    deps.Logger,
	}
}

func (wc *DataUpdater) Start(ctx context.Context) {
	nextStart := calculateTime()
	ticker := time.NewTicker(time.Second * time.Duration(nextStart))
	defer ticker.Stop()

	for {
		select {
		case <-ticker.C:
			wc.processTasks(ctx)
			nextStart = calculateTime()
			ticker.Reset(time.Second * time.Duration(nextStart))
		case <-ctx.Done():
			return
		}
	}
}

func (wc *DataUpdater) processTasks(ctx context.Context) {
	// сначала получаем список токенов
	allTokens, err := wc.repo.GetAllTokens(ctx)
	if err != nil {
		wc.logger.Error("error fetch all tokens from mongo:", zap.Error(err))
		return
	}
	for _, token := range allTokens {
		accountID := 0 // id аккаунта в амо для тегов и кастомных полей так как там не приходит
		// pipelines
		pipelines, err := wc.amoClient.GetListPipelines(token.AccessToken)
		if err != nil {
			wc.logger.Error("error getting list pipelines:", zap.Error(err))
		}
		err = wc.repo.CheckPipelines(ctx, token.AccountID, pipelines.Embedded.Pipelines)
		if err != nil {
			wc.logger.Error("error update pipelines in mongo:", zap.Error(err))
		}

		// steps
		for _, pipeline := range pipelines.Embedded.Pipelines {
			accountID = pipeline.AccountID
			steps, err := wc.amoClient.GetListSteps(pipeline.ID, token.AccessToken)
			if err != nil {
				wc.logger.Error("error getting list steps pipeline:", zap.Error(err))
				continue
			}

			err = wc.repo.CheckSteps(ctx, token.AccountID, steps.Embedded.Statuses)
			if err != nil {
				wc.logger.Error("error update pipeline steps in mongo:", zap.Error(err))
			}
		}

		// tags
		var leadsTags []amo.Tag
		var contactsTags []amo.Tag
		var companiesTags []amo.Tag
		var customersTags []amo.Tag

		entityTypes := []amo.EntityType{amo.LeadsTags, amo.ContactsTags, amo.CompaniesTags, amo.CustomersTags}
		for _, entityType := range entityTypes {
			page := 1
			limit := 250

			for {
				req := amo.GetListTagsReq{
					Page:       page,
					Limit:      limit,
					EntityType: entityType,
				}
				tags, err := wc.amoClient.GetListTags(req, token.AccessToken)
				if err != nil {
					wc.logger.Error("error getting list of tags", zap.Error(err))
					break
				}

				switch entityType {
				case amo.LeadsTags:
					leadsTags = append(leadsTags, tags.Embedded.Tags...)
				case amo.ContactsTags:
					contactsTags = append(contactsTags, tags.Embedded.Tags...)
				case amo.CompaniesTags:
					companiesTags = append(companiesTags, tags.Embedded.Tags...)
				case amo.CustomersTags:
					customersTags = append(customersTags, tags.Embedded.Tags...)
				}

				if len(tags.Embedded.Tags) == 0 {
					break
				}

				page++
			}
		}

		for _, entityType := range entityTypes {
			switch entityType {
			case amo.LeadsTags:
				err := wc.repo.CheckTags(ctx, repository.CheckTagsDeps{
					Tags:       leadsTags,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update leads tags")
					continue
				}
			case amo.ContactsTags:
				err := wc.repo.CheckTags(ctx, repository.CheckTagsDeps{
					Tags:       contactsTags,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update contacts tags")
					continue
				}
			case amo.CompaniesTags:
				err := wc.repo.CheckTags(ctx, repository.CheckTagsDeps{
					Tags:       companiesTags,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update companies tags")
					continue
				}
			case amo.CustomersTags:
				err := wc.repo.CheckTags(ctx, repository.CheckTagsDeps{
					Tags:       customersTags,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update customer tags")
					continue
				}
			}
		}

		// fields
		var leadsFields []amo.CustomField
		var contactsFields []amo.CustomField
		var companiesFields []amo.CustomField
		var customersFields []amo.CustomField
		for _, entityType := range entityTypes {
			page := 1
			limit := 50

			for {
				req := amo.GetListFieldsReq{
					Page:       page,
					Limit:      limit,
					EntityType: entityType,
				}
				tags, err := wc.amoClient.GetListFields(req, token.AccessToken)
				if err != nil {
					wc.logger.Error("error getting list of fields", zap.Error(err))
					break
				}

				switch entityType {
				case amo.LeadsTags:
					leadsFields = append(leadsFields, tags.Embedded.CustomFields...)
				case amo.ContactsTags:
					contactsFields = append(contactsFields, tags.Embedded.CustomFields...)
				case amo.CompaniesTags:
					companiesFields = append(companiesFields, tags.Embedded.CustomFields...)
				case amo.CustomersTags:
					customersFields = append(customersFields, tags.Embedded.CustomFields...)
				}

				if len(tags.Embedded.CustomFields) == 0 {
					break
				}

				page++
			}
		}

		for _, entityType := range entityTypes {
			switch entityType {
			case amo.LeadsTags:
				err := wc.repo.CheckFields(ctx, repository.CheckFieldsDeps{
					Fields:     leadsFields,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update leads fields")
					continue
				}
			case amo.ContactsTags:
				err := wc.repo.CheckFields(ctx, repository.CheckFieldsDeps{
					Fields:     contactsFields,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update contacts fields")
					continue
				}
			case amo.CompaniesTags:
				err := wc.repo.CheckFields(ctx, repository.CheckFieldsDeps{
					Fields:     companiesFields,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update companies fields")
					continue
				}
			case amo.CustomersTags:
				err := wc.repo.CheckFields(ctx, repository.CheckFieldsDeps{
					Fields:     companiesFields,
					AccountID:  token.AccountID,
					ID:         accountID,
					EntityType: entityType,
				})
				if err != nil {
					wc.logger.Error("error update customer fields")
					continue
				}
			}
		}
	}
}

func (wc *DataUpdater) Stop(ctx context.Context) error {
	return nil
}