package queries

import (
	"bssapp-backend/db"
	"context"
)

type CariMasterRow struct {
	CariKodu  string
	CariDetay string
	Piyasa    string
	Temsilci  string
	Ozellik03 string
	Ozellik05 string
	Ozellik06 string
	Ozellik07 string
	Ozellik08 string
}

func getCariMasterMap(
	ctx context.Context,
) (map[string]CariMasterRow, error) {

	const q = `
	WITH CTE AS (
	    SELECT
	        *,
	        rn = ROW_NUMBER() OVER (
	            PARTITION BY LEFT(CariKodu,8)
	            ORDER BY CariKodu
	        )
	    FROM dbo.MK_CARI_ILETISIM WITH(NOLOCK)
	)
	SELECT
	    CariKodu,
	    CariDetay,
	    PIYASA,
	    CARI_TEMSILCI,
	    Ozellik03,
	    Ozellik05,
	    Ozellik06,
	    Ozellik07,
	    Ozellik08
	FROM CTE
	WHERE rn=1
	`

	rows, err := db.MssqlDB.QueryContext(ctx, q)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	out := make(map[string]CariMasterRow, 4096)

	for rows.Next() {

		var r CariMasterRow

		err := rows.Scan(
			&r.CariKodu,
			&r.CariDetay,
			&r.Piyasa,
			&r.Temsilci,
			&r.Ozellik03,
			&r.Ozellik05,
			&r.Ozellik06,
			&r.Ozellik07,
			&r.Ozellik08,
		)
		if err != nil {
			return nil, err
		}

		out[r.CariKodu] = r
	}

	return out, nil
}