package database

import (
	"context"
	"fmt"

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

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

func (d *Database) UpdateChannel(ctx context.Context, channel domain.Channel) error {
	query := `UPDATE channel
SET telegram_id = $2,
    username = $3,
    title = $4,
    access_hash = $5,
    pts = $6,
    updated_at = CURRENT_TIMESTAMP
WHERE id = $1;`

	txOrPool := transaction.TryExtractTX(ctx)

	dto := updateChannelDTO{
		ID:         pgtype.UUID{Bytes: channel.ID, Valid: true},
		TelegramID: pgtype.Int8{Int64: channel.TelegramID, Valid: true},
		Username:   pgtype.Text{String: channel.Username, Valid: true},
		Title:      pgtype.Text{String: channel.Title, Valid: true},
		AccessHash: pgtype.Int8{Int64: channel.AccessHash, Valid: true},
		Pts:        pgtype.Int4{Int32: int32(channel.Pts), Valid: true},
	}

	_, err := txOrPool.Exec(ctx, query, dto.ID, dto.TelegramID, dto.Username, dto.Title, dto.AccessHash, dto.Pts)
	if err != nil {
		return fmt.Errorf("txOrPool.Exec: %w", err)
	}

	return nil
}

type updateChannelDTO struct {
	ID         pgtype.UUID
	TelegramID pgtype.Int8
	Username   pgtype.Text
	Title      pgtype.Text
	AccessHash pgtype.Int8
	Pts        pgtype.Int4
}