using System.IO;

namespace Housing.Services;

public sealed class DatabaseSettings
{
    public string Ip { get; set; } = string.Empty;
    public string Database { get; set; } = string.Empty;
    public string DbId { get; set; } = string.Empty;
    public string DbPw { get; set; } = string.Empty;
    public bool Encrypt { get; set; } = true;
    public bool TrustServerCertificate { get; set; } = true;
    public int Timeout { get; set; } = 5;

    public static DatabaseSettings Load(string filePath)
    {
        if (!File.Exists(filePath))
        {
            throw new FileNotFoundException("Database.ini 파일을 찾을 수 없습니다.", filePath);
        }

        var values = IniFile.LoadSection(filePath, "Database");
        return new DatabaseSettings
        {
            Ip = GetValue(values, "IP", "Server"),
            Database = GetValue(values, "Database", "DB"),
            DbId = GetValue(values, "DbId", "UserId", "ID"),
            DbPw = GetValue(values, "DbPw", "Password", "PW"),
            Encrypt = GetBool(values, true, "Encrypt"),
            TrustServerCertificate = GetBool(values, true, "TrustServerCertificate"),
            Timeout = GetInt(values, 5, "Timeout")
        };
    }

    private static string GetValue(Dictionary<string, string> values, params string[] keys)
    {
        foreach (var key in keys)
        {
            if (values.TryGetValue(key, out var value))
            {
                return value.Trim();
            }
        }

        return string.Empty;
    }

    private static bool GetBool(Dictionary<string, string> values, bool defaultValue, params string[] keys)
    {
        var value = GetValue(values, keys);
        return string.IsNullOrWhiteSpace(value) ? defaultValue : bool.Parse(value);
    }

    private static int GetInt(Dictionary<string, string> values, int defaultValue, params string[] keys)
    {
        var value = GetValue(values, keys);
        return string.IsNullOrWhiteSpace(value) ? defaultValue : int.Parse(value);
    }
}