package build

import (
	"fmt"

	"git.secnex.io/secnex/pgson/schema"
	"git.secnex.io/secnex/pgson/sql"
)

func Delete(s *schema.Table, where map[string]any) (*string, error) {
	if err := sql.ValidateIdent(s.Name); err != nil {
		return nil, err
	}

	if len(where) == 0 {
		return nil, fmt.Errorf("WHERE clause is required for DELETE to prevent accidental deletion of all rows")
	}

	whereClause, err := sql.BuildWhereClause(where)
	if err != nil {
		return nil, err
	}

	ddl := fmt.Sprintf(sql.DML_DELETE, sql.QuoteIdent(s.Name), whereClause)

	return &ddl, nil
}