using MAX.Common.WPF.Helpers;
using MAX.Core.DependencyInjection;
using Prism.Mvvm;

namespace Store.Management.Framework.Services;

public enum StatusLevel
{
    Info,
    Success,
    Warning,
    Error
}

public sealed record StatusBarMessage(string Text, StatusLevel Level, int? Progress);

/// <summary>各页面共享主窗口底部的最新状态。</summary>
public interface IStatusBarService
{
    StatusBarMessage Current { get; }

    /// <summary>发布一条状态。进度范围为 0 到 100，省略时隐藏进度条。</summary>
    void Report(string text, StatusLevel level = StatusLevel.Info, int? progress = null);
}

internal sealed class StatusBarService : BindableBase, IStatusBarService, ISingletonDependency
{
    private StatusBarMessage _current = new("就绪", StatusLevel.Info, null);
    public StatusBarMessage Current
    {
        get => _current;
        private set => SetProperty(ref _current, value);
    }

    public void Report(string text, StatusLevel level = StatusLevel.Info, int? progress = null)
    {
        ArgumentNullException.ThrowIfNull(text);
        if (progress is < 0 or > 100)
        {
            throw new ArgumentOutOfRangeException(nameof(progress), "进度必须在 0 到 100 之间。");
        }
        DispatcherHelper.RunInDispatcher(() => Current = new StatusBarMessage(text, level, progress));
    }
}