package main

import (
	"context"
	"io"
	"log"

	"github.com/descrybe/descrybe-v2/apps/api/internal/processing"
	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgxpool"
)

type categoryBackfillResult struct {
	ProcessedUpdated    int64
	ProcessedInserted   int64
	MappedUpdated       int64
	DumpPairs           int
	PurgedOtherRaw      int64
	PurgedOtherPP       int64
	ProcessedWithCat    int
	ProcessedWithoutCat int
	MappedWithCat       int
	MappedWithoutCat    int
}

// a1FixtureEANs aliases processing.A1FixtureEANs for seed-a1 tests.
var a1FixtureEANs = processing.A1FixtureEANs

func backfillMappedCategoriesFromProcessed(ctx context.Context, pg *pgxpool.Pool, companyID uuid.UUID) (int64, error) {
	return processing.BackfillMappedCategoriesFromProcessed(ctx, pg, companyID)
}

func backfillCategoriesFromMySQLDump(ctx context.Context, pg *pgxpool.Pool, companyID uuid.UUID, dumpPath string) (categoryBackfillResult, error) {
	res, err := processing.BackfillCategoriesFromMySQLDump(ctx, pg, companyID, dumpPath)
	if err != nil {
		return categoryBackfillResult{}, err
	}
	return categoryBackfillResult{
		ProcessedUpdated:    res.ProcessedUpdated,
		ProcessedInserted:   res.ProcessedInserted,
		MappedUpdated:       res.MappedUpdated,
		DumpPairs:           res.DumpPairs,
		PurgedOtherRaw:      res.PurgedOtherRaw,
		PurgedOtherPP:       res.PurgedOtherPP,
		ProcessedWithCat:    res.ProcessedWithCat,
		ProcessedWithoutCat: res.ProcessedWithoutCat,
		MappedWithCat:       res.MappedWithCat,
		MappedWithoutCat:    res.MappedWithoutCat,
	}, nil
}

func purgeA1FixtureEANsFromOtherTenants(ctx context.Context, pg *pgxpool.Pool, a1CompanyID uuid.UUID) (rawN, ppN int64, err error) {
	return processing.PurgeA1FixtureEANsFromOtherTenants(ctx, pg, a1CompanyID)
}

func scanA1ProcessedCategories(r io.Reader, legacyCompany string) (map[string]string, error) {
	return processing.ScanA1ProcessedCategories(r, legacyCompany)
}

func logCategoryBackfillResult(res categoryBackfillResult, source string) {
	log.Printf("category backfill (%s): dump_pairs=%d processed_updated=%d processed_inserted=%d mapped_updated=%d purged_other_raw=%d purged_other_pp=%d",
		source, res.DumpPairs, res.ProcessedUpdated, res.ProcessedInserted, res.MappedUpdated, res.PurgedOtherRaw, res.PurgedOtherPP)
	log.Printf("A1 coverage: processed with_cat=%d without_cat=%d | raw mapped with_cat=%d without_cat=%d",
		res.ProcessedWithCat, res.ProcessedWithoutCat, res.MappedWithCat, res.MappedWithoutCat)
}