package database

import (
	"context"
	"fmt"

	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgtype"

	"github.com/TelegramExchange/tgex-parser/internal/domain"
	"github.com/TelegramExchange/tgex-parser/pkg/transaction"
)

func (d *Database) CreateViewsSnapshot(ctx context.Context, snapshot domain.ViewsSnapshot) error {
	query := `INSERT INTO post_views_history (id, views_count, fetched_at, post_id)
VALUES ($1, $2, $3, $4);`

	txOrPool := transaction.TryExtractTX(ctx)

	dto := createViewsSnapshotDTO{
		ID:         pgtype.UUID{Bytes: uuid.New(), Valid: true},
		ViewsCount: pgtype.Int4{Int32: int32(snapshot.ViewsCount), Valid: true},
		FetchedAt:  pgtype.Timestamptz{Time: snapshot.FetchedAt, Valid: true},
		PostID:     pgtype.UUID{Bytes: snapshot.PostID, Valid: true},
	}

	_, err := txOrPool.Exec(ctx, query, dto.ID, dto.ViewsCount, dto.FetchedAt, dto.PostID)
	if err != nil {
		return fmt.Errorf("txOrPool.Exec: %w", err)
	}

	return nil
}

type createViewsSnapshotDTO struct {
	ID         pgtype.UUID
	ViewsCount pgtype.Int4
	FetchedAt  pgtype.Timestamptz
	PostID     pgtype.UUID
}