using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using Microsoft.Extensions.DependencyInjection;
using System.Windows;
using WCTDataMiner.Core.Services;
using WCTDataMiner.Wpf.Messages;

namespace WCTDataMiner.Wpf.ViewModels;

/// <summary>
/// 主窗口 ViewModel - 导航控制
/// </summary>
public partial class MainViewModel : ObservableObject,
    IRecipient<NavigateToPlossChartMessage>,
    IRecipient<NavigateToQfodChartMessage>,
    IRecipient<NavigateToPlossTableMessage>,
    IRecipient<NavigateToQfodTableMessage>
{
    private readonly ImportViewModel _importViewModel;
    private readonly ScenarioListViewModel _scenarioListViewModel;
    private readonly IServiceProvider _serviceProvider;

    [ObservableProperty]
    private ObservableObject _currentView = null!;

    [ObservableProperty]
    private string? _selectedTxPanel;

    [ObservableProperty]
    private string? _selectedTxHardware;

    [ObservableProperty]
    private string? _selectedTxSoftware;

    [ObservableProperty]
    private string? _selectedRxType;

    // 筛选选项列表（动态加载）
    [ObservableProperty]
    private List<string> _txPanels = new() { FilterConstants.AllOption };

    [ObservableProperty]
    private List<string> _txHardwares = new() { FilterConstants.AllOption };

    [ObservableProperty]
    private List<string> _txSoftwares = new() { FilterConstants.AllOption };

    [ObservableProperty]
    private List<string> _rxTypes = new() { FilterConstants.AllOption };

    public MainViewModel(
        ImportViewModel importViewModel,
        ScenarioListViewModel scenarioListViewModel,
        IServiceProvider serviceProvider)
    {
        _importViewModel = importViewModel;
        _scenarioListViewModel = scenarioListViewModel;
        _serviceProvider = serviceProvider;
        _currentView = _scenarioListViewModel;

        // 注册导航消息订阅
        WeakReferenceMessenger.Default.Register<NavigateToPlossChartMessage>(this);
        WeakReferenceMessenger.Default.Register<NavigateToQfodChartMessage>(this);
        WeakReferenceMessenger.Default.Register<NavigateToPlossTableMessage>(this);
        WeakReferenceMessenger.Default.Register<NavigateToQfodTableMessage>(this);
    }

    /// <summary>
    /// 初始化加载场景数据和筛选选项
    /// </summary>
    public async Task InitializeAsync()
    {
        // 加载筛选选项
        var filterOptions = await _scenarioListViewModel.GetFilterOptionsAsync();
        TxPanels = filterOptions.TxPanels;
        TxHardwares = filterOptions.TxHardwares;
        TxSoftwares = filterOptions.TxSoftwares;
        RxTypes = filterOptions.RxTypes;

        // 加载场景列表
        await _scenarioListViewModel.LoadScenariosAsync();
    }

    [RelayCommand]
    private void NavigateToImport()
    {
        CurrentView = _importViewModel;
    }

    [RelayCommand]
    private async Task NavigateToScenarios()
    {
        CurrentView = _scenarioListViewModel;
        await _scenarioListViewModel.LoadScenariosAsync();
    }

    [RelayCommand]
    private void NavigateToPlossChart(Guid scenarioId)
    {
        var vm = _serviceProvider.GetRequiredService<PlossChartViewModel>();
        vm.ScenarioId = scenarioId;
        CurrentView = vm;
    }

    [RelayCommand]
    private void NavigateToQfodChart(Guid scenarioId)
    {
        var vm = _serviceProvider.GetRequiredService<QfodChartViewModel>();
        vm.ScenarioId = scenarioId;
        CurrentView = vm;
    }

    /// <summary>
    /// 应用筛选条件并刷新场景列表
    /// </summary>
    public async Task ApplyFilterAsync()
    {
        await _scenarioListViewModel.LoadScenariosByFilterAsync(
            SelectedTxPanel, SelectedTxHardware, SelectedTxSoftware, SelectedRxType);
    }

    /// <summary>
    /// 接收导航到 Ploss 图表消息
    /// </summary>
    public void Receive(NavigateToPlossChartMessage message)
    {
        Application.Current.Dispatcher.InvokeAsync(() =>
        {
            var vm = _serviceProvider.GetRequiredService<PlossChartViewModel>();
            vm.ScenarioId = message.ScenarioId;
            CurrentView = vm;
        });
    }

    /// <summary>
    /// 接收导航到 Qfod 图表消息
    /// </summary>
    public void Receive(NavigateToQfodChartMessage message)
    {
        Application.Current.Dispatcher.InvokeAsync(() =>
        {
            var vm = _serviceProvider.GetRequiredService<QfodChartViewModel>();
            vm.ScenarioId = message.ScenarioId;
            CurrentView = vm;
        });
    }

    /// <summary>
    /// 接收导航到 Ploss 表格消息
    /// </summary>
    public void Receive(NavigateToPlossTableMessage message)
    {
        Application.Current.Dispatcher.InvokeAsync(() =>
        {
            var vm = _serviceProvider.GetRequiredService<PlossTableViewModel>();
            vm.ScenarioId = message.ScenarioId;
            CurrentView = vm;
        });
    }

    /// <summary>
    /// 接收导航到 Qfod 表格消息
    /// </summary>
    public void Receive(NavigateToQfodTableMessage message)
    {
        Application.Current.Dispatcher.InvokeAsync(() =>
        {
            var vm = _serviceProvider.GetRequiredService<QfodTableViewModel>();
            vm.ScenarioId = message.ScenarioId;
            CurrentView = vm;
        });
    }
}