HC_APTBS/Models/BenchConfiguration.cs

using System.Collections.Generic;
using Peak.Can.Basic;
using TPCANHandle = System.UInt16;

namespace HC_APTBS.Models
{
    /// <summary>
    /// Complete bench parameter configuration: CAN parameter map plus relay definitions.
    /// Loaded from bench.xml at startup and edited via the BenchParamConfig view.
    /// </summary>
    public class BenchConfiguration
    {
        /// <summary>PCAN channel handle used for bench communication.</summary>
        public TPCANHandle Channel { get; set; } = PCANBasic.PCAN_USBBUS1;

        /// <summary>All bench parameters, keyed by name for quick lookup.</summary>
        public Dictionary<string, CanBusParameter> ParametersByName { get; set; } = new();

        /// <summary>Bench parameters grouped by CAN message ID for frame decoding.</summary>
        public Dictionary<uint, List<CanBusParameter>> ParametersById  { get; set; } = new();

        /// <summary>Relay / solenoid output definitions, keyed by name.</summary>
        public Dictionary<string, Relay> Relays { get; set; } = new();
    }

    /// <summary>
    /// Application-wide configuration settings persisted in config.xml.
    /// </summary>
    public class AppSettings
    {
        // ── Temperature control ───────────────────────────────────────────────

        /// <summary>Maximum allowable oil temperature (°C) before the bench raises an alarm.</summary>
        public int TempMax { get; set; } = 45;

        /// <summary>Minimum oil temperature (°C) required before tests begin.</summary>
        public int TempMin { get; set; } = 35;

        // ── Refresh intervals ─────────────────────────────────────────────────

        /// <summary>UI status refresh period (ms) during normal bench operation.</summary>
        public int RefreshBenchInterfaceMs { get; set; } = 20;

        /// <summary>UI refresh period (ms) while reading pump EEPROM data over K-Line.</summary>
        public int RefreshWhileReadingMs { get; set; } = 1500;

        /// <summary>CAN bus polling interval (ms) on the read thread.</summary>
        public int RefreshCanBusReadMs { get; set; } = 2;

        /// <summary>Interval (ms) between pump-status CAN request messages.</summary>
        public int RefreshPumpRequestMs { get; set; } = 250;

        /// <summary>Interval (ms) between pump-parameter CAN request messages.</summary>
        public int RefreshPumpParamsMs { get; set; } = 4;

        /// <summary>Blink period (ms) for LED indicator controls.</summary>
        public int BlinkIntervalMs { get; set; } = 1000;

        /// <summary>Flasher relay toggle interval (ms).</summary>
        public int FlasherIntervalMs { get; set; } = 800;

        // ── PID temperature controller ────────────────────────────────────────

        /// <summary>Proportional gain.</summary>
        public double PidP { get; set; } = 0.1;

        /// <summary>Integral gain.</summary>
        public double PidI { get; set; } = 0.1;

        /// <summary>Derivative gain.</summary>
        public double PidD { get; set; } = 0.04;

        /// <summary>PID loop period (ms).</summary>
        public int PidLoopMs { get; set; } = 250;

        // ── Safety limits ─────────────────────────────────────────────────────

        /// <summary>Maximum allowable bench speed (RPM) before the bench triggers an emergency stop.</summary>
        public int SecurityRpmLimit { get; set; } = 2500;

        /// <summary>Maximum allowable bench pressure (bar).</summary>
        public int MaxPressureBar { get; set; } = 26;

        // ── Test tolerance extensions ─────────────────────────────────────────

        /// <summary>
        /// Fractional tolerance extension for UP tests.
        /// A value of 0.08 extends each tolerance bound by 8% of its magnitude.
        /// </summary>
        public double ToleranceUpExtension { get; set; } = 0.08;

        /// <summary>
        /// Fractional tolerance extension for PFP tests.
        /// A value of 0.1 extends each tolerance bound by 10% of its magnitude.
        /// </summary>
        public double TolerancePfpExtension { get; set; } = 0.1;

        // ── Encoder ───────────────────────────────────────────────────────────

        /// <summary>Encoder pulses per revolution (default 4096 for PSG encoder).</summary>
        public int EncoderResolution { get; set; } = 4096;

        // ── Motor control ─────────────────────────────────────────────────────

        /// <summary>Analogue output voltage (V) that corresponds to maximum RPM.</summary>
        public double VoltageForMaxRpm { get; set; } = 10;

        /// <summary>Maximum motor speed the bench can command (RPM).</summary>
        public int MaxRpm { get; set; } = 2500;

        // ── Direction ─────────────────────────────────────────────────────────

        /// <summary>Default relay state for the "right" rotation direction.</summary>
        public bool RightRelayValue { get; set; } = true;

        /// <summary>Last rotation direction selected by the operator.</summary>
        public short LastRotationDirection { get; set; } = RotationDirection.Right;

        /// <summary>When true, the T-in temperature sensor check is bypassed.</summary>
        public bool DefaultIgnoreTin { get; set; } = true;

        // ── Log rotation ──────────────────────────────────────────────────────

        /// <summary>Number of daily log files to retain before the oldest is deleted.</summary>
        public int DaysKeepLogs { get; set; } = 7;

        // ── Report ────────────────────────────────────────────────────────────

        /// <summary>Company name printed in the report header.</summary>
        public string CompanyName { get; set; } = string.Empty;

        /// <summary>Company address/info printed in the report header.</summary>
        public string CompanyInfo { get; set; } = string.Empty;

        /// <summary>Absolute path to the company logo image for the report.</summary>
        public string ReportLogoPath { get; set; } = string.Empty;

        /// <summary>
        /// Comma-separated <c>user:salt:hash</c> credential entries for operator authentication
        /// before report generation.  Salt is 16-byte Base64, hash is PBKDF2-HMAC-SHA256 (600 000 iterations, 32-byte output) Base64.
        /// Legacy <c>user:password</c> entries are auto-migrated on first load.
        /// </summary>
        public string Users { get; set; } = string.Empty;

        // ── K-Line port ───────────────────────────────────────────────────────

        /// <summary>Serial port or FTDI device identifier for the K-Line interface.</summary>
        public string KLinePort { get; set; } = string.Empty;

        // ── UI ────────────────────────────────────────────────────────────────

        /// <summary>UI language code, e.g. "ESP" or "ENG".</summary>
        public string Language { get; set; } = "ESP";

        // ── Relations ─────────────────────────────────────────────────────────

        /// <summary>RPM-to-voltage lookup table for motor speed control.</summary>
        public List<RpmVoltageRelation> Relations { get; set; } = new();

        // ── Sensor calibration ────────────────────────────────────────────────

        /// <summary>Calibration data for each analogue sensor channel (keyed by channel number).</summary>
        public Dictionary<int, SensorConfiguration> Sensors { get; set; } = new();

        // ── Alarms ────────────────────────────────────────────────────────────

        /// <summary>Active alarm definitions loaded from alarms.xml.</summary>
        public List<Alarm> Alarms { get; set; } = new();

    }
}