@page "/timelines"
@inject IStringLocalizer<Timelines> Localizer

<h3>Timeline</h3>

<h4>Visualize time flow information</h4>

<DemoBlock Title="Basic usage" Introduction="Timeline can be split into multiple activities arranged in positive or reverse order of timestamps, which are an important feature that distinguishes them from other controls, and should be used with care to distinguish them from steps bar." Name="Normal">
    <div class="d-flex mb-3 align-items-center">
        <div class="text-nowrap me-1">sort:</div>
        <RadioList class="flex-fill" TValue="SelectedItem" OnSelectedChanged="@OnStateChanged" Items="@Items"></RadioList>
    </div>
    <Timeline Items="TimelineItems" IsReverse="@IsReverse"></Timeline>
</DemoBlock>

<DemoBlock Title="Customize the node style" Introduction="You can customize the node color according to the actual scene, or use the icon directly." Name="CutomNodeStyle">
    <Timeline Items="CustomerTimelineItems" />
</DemoBlock>

<DemoBlock Title="Shown on the left" Introduction="Content takes turns appearing on the left side of the timeline" Name="Left">
    <p>Control the content appearing on the left side of the timeline by setting the <code>IsLeft</code> property</p>
    <Timeline Items="AlternateTimelineItems" IsLeft="true" />
</DemoBlock>

<DemoBlock Title="Alternate presentations" Introduction="内容在时间轴两侧轮流出现" Name="Alternate">
    <p>Control the alternating timeline left and right by setting the <code>IsAlternate</code> property</p>
    <Timeline Items="AlternateTimelineItems" IsAlternate="true" />
</DemoBlock>

<DemoBlock Title="Show custom components" Introduction="Custom components are displayed on the timeline" Name="DispalyCustomComponent">
    <p>Control the custom components that the timeline displays by setting the <code>CustomerComponent</code> of the <code>TimelineItem</code></p>
    <Timeline Items="GetCustomerComponentTimelineItems()" />
</DemoBlock>

<AttributeTable Items="GetAttributes()" />

<AttributeTable Items="GetTimelineItemAttributes()" Title="TimelineItem attributes" />

// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
// Website: https://www.blazor.zone or https://argozhang.github.io/

using System.Collections.Concurrent;

namespace BootstrapBlazor.Shared.Samples;

/// <summary>
/// 
/// </summary>
public sealed partial class Timelines
{
    private readonly ConcurrentQueue<ConsoleMessageItem> _messages = new();

    private readonly CancellationTokenSource _cancelTokenSource = new();

    private readonly AutoResetEvent _locker = new(true);

    private IEnumerable<ConsoleMessageItem> Messages => _messages;

    private bool IsReverse { get; set; }

    private static Color GetColor()
    {
        var second = DateTime.Now.Second;
        return (second % 3) switch
        {
            1 => Color.Danger,
            2 => Color.Info,
            _ => Color.None
        };
    }

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        var _ = Task.Run(async () =>
        {
            do
            {
                _locker.WaitOne();
                _messages.Enqueue(new ConsoleMessageItem { Message = $"{DateTimeOffset.Now}: Dispatch Message", Color = GetColor() });

                if (_messages.Count > 8)
                {
                    _messages.TryDequeue(out var _);
                }
                await InvokeAsync(StateHasChanged);
                _locker.Set();
                await Task.Delay(2000, _cancelTokenSource.Token);
            }
            while (!_cancelTokenSource.IsCancellationRequested);
        });

        Items = new SelectedItem[]
        {
            new SelectedItem("1", Localizer["SelectedItem1"]) { Active=true },
            new SelectedItem("2", Localizer["SelectedItem2"])
        };
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="values"></param>
    /// <param name="value"></param>

    public Task OnStateChanged(IEnumerable<SelectedItem> values, SelectedItem value)
    {
        IsReverse = value.Text == Localizer["SelectedItem2"];
        StateHasChanged();
        return Task.CompletedTask;
    }

    /// <summary>
    /// 
    /// </summary>
    private IEnumerable<SelectedItem> Items { get; set; } = Enumerable.Empty<SelectedItem>();

    /// <summary>
    /// 
    /// </summary>
    private IEnumerable<TimelineItem> TimelineItems => new TimelineItem[]
    {
        new TimelineItem
        {
            Content = Localizer["TimelineItemContent1"],
            Description = DateTime.Now.ToString("yyyy-MM-dd")
        },
        new TimelineItem
        {
            Content =  Localizer["TimelineItemContent2"],
            Description = DateTime.Now.AddDays(1).ToString("yyyy-MM-dd")
        },
        new TimelineItem
        {
            Content =  Localizer["TimelineItemContent3"],
            Description = DateTime.Now.AddDays(2).ToString("yyyy-MM-dd")
        }
    };

    /// <summary>
    /// 
    /// </summary>
    private IEnumerable<TimelineItem> CustomerTimelineItems => new TimelineItem[]
    {
        new TimelineItem
        {
            Content = Localizer["TimelineItemContent4"],
            Description = DateTime.Now.ToString("yyyy-MM-dd")
        },
        new TimelineItem
        {
            Color = Color.Success,
            Content = Localizer["TimelineItemContent5"],
            Description = DateTime.Now.AddDays(2).ToString("yyyy-MM-dd")
        },
        new TimelineItem
        {
            Color = Color.Danger,
            Icon = "fa-solid fa-fw fa-font-awesome",
            Content = Localizer["TimelineItemContent6"],
            Description = DateTime.Now.AddDays(3).ToString("yyyy-MM-dd")
        }
    };

    /// <summary>
    /// 
    /// </summary>
    private IEnumerable<TimelineItem> GetCustomerComponentTimelineItems() => new TimelineItem[]
    {
        new TimelineItem
        {
            Color = Color.Success,
            Component = BootstrapDynamicComponent.CreateComponent<BootstrapBlazor.Components.Console>(new Dictionary<string, object?>
            {
                [nameof(BootstrapBlazor.Components.Console.Items)] = Messages
            }),
            Description = Localizer["Description1"]
        },
        new TimelineItem
        {
            Color = Color.Info,
            Component = BootstrapDynamicComponent.CreateComponent<Counter>(),
            Description = Localizer["Description2"]
        },
        new TimelineItem
        {
            Color = Color.Warning,
            Component = BootstrapDynamicComponent.CreateComponent<FetchData>(),
            Description = Localizer["Description3"]
        }
    };

    /// <summary>
    /// 
    /// </summary>
    private readonly IEnumerable<TimelineItem> AlternateTimelineItems = new TimelineItem[]
    {
        new TimelineItem
        {
            Content = "Create a services site 2015-09-01",
        },
        new TimelineItem
        {
            Color = Color.Success,
            Content = "Solve initial network problems 2015-09-01",
        },
        new TimelineItem
        {
            Color = Color.Danger,
            Content = "Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo.",
        },
        new TimelineItem
        {
            Color = Color.Warning,
            Content = "Network problems being solved 2015-09-01",
        },
        new TimelineItem
        {
            Color = Color.Info,
            Content = "Create a services site 2015-09-01",
        }
    };

    /// <summary>
    /// 获得属性方法
    /// </summary>
    /// <returns></returns>
    private IEnumerable<AttributeItem> GetAttributes() => new AttributeItem[]
    {
        // TODO: 移动到数据库中
        new AttributeItem() {
            Name = "Items",
            Description = Localizer["Items"],
            Type = "IEnumerable<TimelineItem>",
            ValueList = "—",
            DefaultValue = " — "
        },
        new AttributeItem() {
            Name = "IsReverse",
            Description = Localizer["IsReverse"],
            Type = "boolean",
            ValueList = "true|false",
            DefaultValue = "false"
        },
        new AttributeItem() {
            Name = "IsLeft",
            Description = Localizer["IsLeft"],
            Type = "boolean",
            ValueList = "true|false",
            DefaultValue = "false"
        },
        new AttributeItem() {
            Name = "IsAlternate",
            Description = Localizer["IsAlternate"],
            Type = "boolean",
            ValueList = "true|false",
            DefaultValue = "false"
        }
    };

    /// <summary>
    /// 获得属性方法
    /// </summary>
    /// <returns></returns>
    private IEnumerable<AttributeItem> GetTimelineItemAttributes() => new AttributeItem[]
    {
        new AttributeItem() {
            Name = nameof(TimelineItem.Color),
            Description = Localizer["Color"],
            Type = "Color",
            ValueList = " — ",
            DefaultValue = " — "
        },
        new AttributeItem() {
            Name = nameof(TimelineItem.Content),
            Description = Localizer["Content"],
            Type = "string",
            ValueList = " — ",
            DefaultValue = " — "
        },
        new AttributeItem() {
            Name = nameof(TimelineItem.Icon),
            Description = Localizer["Icon"],
            Type = "string",
            ValueList = " — ",
            DefaultValue = " — "
        },
        new AttributeItem() {
            Name = nameof(TimelineItem.Description),
            Description = Localizer["Description"],
            Type = "string",
            ValueList = " — ",
            DefaultValue = " — "
        },
        new AttributeItem() {
            Name = nameof(TimelineItem.Component),
            Description = Localizer["Component"],
            Type = nameof(BootstrapDynamicComponent),
            ValueList = " — ",
            DefaultValue = " — "
        }
    };
}