using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using SSPCTester.Logic.Models;
using SSPCTester.UI.Services;

namespace SSPCTester.UI.ViewModels;

/// <summary>保护功能页 VM（框架占位）。</summary>
public partial class ProtectViewModel : ObservableObject
{
    private readonly UiLogSink _log;
    public ObservableCollection<ProtectRow> Rows { get; } = new();

    [ObservableProperty] private Project? _project;
    [ObservableProperty] private bool _enableTrip = true;
    [ObservableProperty] private bool _enableShort = true;
    [ObservableProperty] private bool _enableOverTemp = true;
    [ObservableProperty] private bool _enableOverVolt = true;
    [ObservableProperty] private bool _enableUnderVolt = true;
    [ObservableProperty] private bool _enableLimit = true;

    [ObservableProperty] private double _overVoltThreshold = 32;
    [ObservableProperty] private double _underVoltThreshold = 22;
    [ObservableProperty] private double _overCurrentThreshold = 1.2;
    [ObservableProperty] private double _overTempThreshold = 85;

    public ProtectViewModel(UiLogSink log) { _log = log; }

    public void SetProject(Project p)
    {
        Project = p;
        SyncRowsFromProject();
    }

    private void SyncRowsFromProject()
    {
        if (Project == null) return;

        var latestPower = Project.PowerResults.LastOrDefault();
        for (int i = 0; i < Project.ProtectResults.Count; i++)
        {
            var row = Project.ProtectResults[i];
            row.Index = i + 1;
            row.MeasuredValue = ProtectRow.BuildMeasuredValue(row.ProtectType, latestPower?.Vin, latestPower?.Iin);
            if (string.IsNullOrWhiteSpace(row.JudgeMode))
                row.JudgeMode = "人工判别";
        }

        Rows.Clear();
        foreach (var row in Project.ProtectResults) Rows.Add(row);
    }

    [RelayCommand]
    private void RunDemo()
    {
        if (Project == null) return;
        Project.ProtectResults.Clear();
        Rows.Clear();
        var latestPower = Project.PowerResults.LastOrDefault();
        var items = new (string, string)[]
        {
            ("跳闸", "1.5x额定电流"),
            ("短路", "输出短路"),
            ("过温", $">={OverTempThreshold} ℃"),
            ("过压", $">={OverVoltThreshold} V"),
            ("欠压", $"<={UnderVoltThreshold} V"),
            ("限流", $">={OverCurrentThreshold} A"),
        };
        for (int i = 0; i < items.Length; i++)
        {
            var r = new ProtectRow
            {
                Index = i + 1,
                ProtectType = items[i].Item1,
                Trigger = items[i].Item2,
                MeasuredValue = ProtectRow.BuildMeasuredValue(items[i].Item1, latestPower?.Vin, latestPower?.Iin),
                JudgeMode = "人工判别",
                TripTimeMs = 2 + i * 0.3,
                Status = TestStatus.Pass
            };
            Project.ProtectResults.Add(r);
            Rows.Add(r);
        }
        _log.Add(UiLogLevel.Warning, "保护功能模块仅生成框架演示数据。");
    }
}