namespace DB720Flasher;

public sealed class ComPortInfo
{
    public required string PortName { get; init; }       // "COM4"
    public required string FriendlyName { get; init; }   // Win32 PnP 이름
    public required string DeviceId { get; init; }       // USB\VID_303A&PID_1001\...
    public int Number { get; init; }
    public string? Vid { get; init; }
    public string? Pid { get; init; }
    public string Kind { get; init; } = "USB 직렬";       // "USB-JTAG (내장)", "CP210x", "CH340", "FTDI" …

    public bool IsJtag => Vid == "303A" && Pid == "1001";
    public string VidPid => Vid is null || Pid is null ? "" : $"{Vid}:{Pid}";
    public bool Matches(string? hint)
        => !string.IsNullOrEmpty(hint) && string.Equals(VidPid, hint, StringComparison.OrdinalIgnoreCase);

    public string Display => $"{PortName}  ·  {Kind}";
    public override string ToString() => Display;
}

/// <summary>플래시 모드.</summary>
public enum FlashMode
{
    AppOnly,   // 앱만 (+ 프로파일이 지정하면 otadata erase) — 권장
    Standard,  // 부트로더 제외 전부 (파티션+ota_data+앱(+www))
    Full,      // 부트로더까지 전부 (eFuse 위험)
}

public sealed class FirmwareItem
{
    public required string FileName { get; init; }
    public required string FullPath { get; init; }
    public long Size { get; init; }
    public string? Note { get; init; }

    public string SizeText => Size >= 1_048_576 ? $"{Size / 1048576.0:0.0}MB" : $"{Size / 1024.0:0}KB";
    public string Display => Note is null ? $"{FileName}  ({SizeText})" : $"{FileName}  ·  {Note}";
    public override string ToString() => Display;
}