/**
 * CQL Minus - cqlminus
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Paolo Lulli <kevwe.com>
 * @copyright Paolo Lulli 2026
 */

package config

import (
    "encoding/json"
    "fmt"
    "os"
)

type Config struct {
    Endpoint string `json:"endpoint"`
    Keyspace string `json:"keyspace"`
    Username string `json:"username"`
    Password string `json:"password"`

    TlsKeyFile      string `json:"tlsKeyFile"`
    TlsCertificate  string `json:"tlsCertificate"`
    TlsVerifyServer string `json:"tlsVerifyServer"`
    TlsCA           string `json:"tlsCA"`
}

func LoadConfig(path string) (*Config, error) {
    data, err := os.ReadFile(path)
    if err != nil {
        return nil, fmt.Errorf("reading config file: %w", err)
    }

    var cfg Config
    if err := json.Unmarshal(data, &cfg); err != nil {
        return nil, fmt.Errorf("parsing config file: %w", err)
    }

    if cfg.Endpoint == "" {
        return nil, fmt.Errorf("please configure server:port as endpoint")
    }

    return &cfg, nil
}