package database

import (
	"database/sql"
	_ "github.com/mattn/go-sqlite3"
	"log"
	"time"
)

type DNSRecord struct {
	ID        string    `json:"id"`
	UserID    string    `json:"user_id"`
	Name      string    `json:"name"`
	Type      string    `json:"type"`
	Content   string    `json:"content"`
	TTL       int       `json:"ttl"`
	CreatedAt time.Time `json:"created_at"`
}

func GetUserDNSRecords(db *sql.DB, userID string) ([]DNSRecord, error) {
	log.Println("getting dns records for user", userID)

	rows, err := db.Query("SELECT * FROM dns_records WHERE user_id = ?", userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	var records []DNSRecord
	for rows.Next() {
		var record DNSRecord
		err := rows.Scan(&record.ID, &record.UserID, &record.Name, &record.Type, &record.Content, &record.TTL, &record.CreatedAt)
		if err != nil {
			return nil, err
		}
		records = append(records, record)
	}

	return records, nil
}

func SaveDNSRecord(db *sql.DB, record *DNSRecord) (*DNSRecord, error) {
	log.Println("saving dns record", record)

	record.CreatedAt = time.Now()
	_, err := db.Exec("INSERT OR REPLACE INTO dns_records (id, user_id, name, type, content, ttl, created_at) VALUES (?, ?, ?, ?, ?, ?, ?)", record.ID, record.UserID, record.Name, record.Type, record.Content, record.TTL, record.CreatedAt)

	if err != nil {
		return nil, err
	}
	return record, nil
}

func GetDNSRecord(db *sql.DB, recordID string) (*DNSRecord, error) {
	log.Println("getting dns record", recordID)

	row := db.QueryRow("SELECT * FROM dns_records WHERE id = ?", recordID)
	var record DNSRecord
	err := row.Scan(&record.ID, &record.UserID, &record.Name, &record.Type, &record.Content, &record.TTL, &record.CreatedAt)
	if err != nil {
		return nil, err
	}
	return &record, nil
}

func DeleteDNSRecord(db *sql.DB, recordID string) error {
	log.Println("deleting dns record", recordID)

	_, err := db.Exec("DELETE FROM dns_records WHERE id = ?", recordID)
	if err != nil {
		return err
	}
	return nil
}