using System.IO;

namespace Housing.Services;

public sealed class BoardHardwareSettings
{
    public string PortName { get; set; } = "Auto";
    public int BaudRate { get; set; } = 115200;
    public int ReadTimeout { get; set; } = 5000;
    public string PreConnectCommand { get; set; } = "x00o";
    public string ConnectCommand { get; set; } = "x00c_001101:owt28006727ea97c7801";
    public string ReadIdCommand { get; set; } = "x00c_001101:ow2800326003e";
    public string PostReadIdCommand { get; set; } = "x00o";
    public string CalDefaultCommand { get; set; } = "x00c_001001:owt28006727ea97c7801";
    public string EndToken { get; set; } = "<end>";
    public bool DtrEnable { get; set; }
    public bool RtsEnable { get; set; }

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

        var values = IniFile.LoadSection(filePath, "Board");
        return new BoardHardwareSettings
        {
            PortName = GetString(values, "PortName", "Auto"),
            BaudRate = GetInt(values, "BaudRate", 115200),
            ReadTimeout = GetInt(values, "ReadTimeout", 5000),
            PreConnectCommand = GetString(values, "PreConnectCommand", "x00o"),
            ConnectCommand = GetString(values, "ConnectCommand", "x00c_001101:owt28006727ea97c7801"),
            ReadIdCommand = GetString(values, "ReadIdCommand", "x00c_001101:ow2800326003e"),
            PostReadIdCommand = GetString(values, "PostReadIdCommand", "x00o"),
            CalDefaultCommand = GetString(values, "CalDefaultCommand", "x00c_001001:owt28006727ea97c7801"),
            EndToken = GetString(values, "EndToken", "<end>"),
            DtrEnable = GetBool(values, "DtrEnable", false),
            RtsEnable = GetBool(values, "RtsEnable", false)
        };
    }

    private static string GetString(Dictionary<string, string> values, string key, string defaultValue)
    {
        return values.TryGetValue(key, out var value) && !string.IsNullOrWhiteSpace(value)
            ? value.Trim()
            : defaultValue;
    }

    private static int GetInt(Dictionary<string, string> values, string key, int defaultValue)
    {
        return values.TryGetValue(key, out var value) && int.TryParse(value, out var result)
            ? result
            : defaultValue;
    }

    private static bool GetBool(Dictionary<string, string> values, string key, bool defaultValue)
    {
        if (!values.TryGetValue(key, out var value) || string.IsNullOrWhiteSpace(value))
        {
            return defaultValue;
        }

        return value.Trim().ToUpperInvariant() switch
        {
            "1" or "TRUE" or "YES" or "ON" => true,
            "0" or "FALSE" or "NO" or "OFF" => false,
            _ => defaultValue
        };
    }
}