@page "/raidtemplateoverview"
@using Lieb.Data
@using System.Security.Claims
@using Lieb.Models
@using Lieb.Models.GuildWars2.Raid
@inject RaidTemplateService RaidTemplateService
@inject UserService UserService
@inject AuthenticationStateProvider AuthenticationStateProvider


<h3>Event Templates</h3>


<AuthorizeView Policy="@Constants.Roles.RaidLead.Name">
    <div class="nav-item px-3">
        <NavLink class="nav-link" href="raidtemplateedit">
            <span class="oi oi-plus" aria-hidden="true"></span> Add Template
        </NavLink>
    </div>
</AuthorizeView>

<br />
<label>Raid Group:</label>
<select @onchange="args => GroupFilterChanged(args)" >
    <option value="">All</option>
    <option value="No Group">No Group</option>
    @foreach(LiebRole role in UserService.GetLiebRoles())
    {
        if (role.Type != RoleType.SystemRole)
        {
            <option value="@role.RoleName">@role.RoleName</option>
        }
    }
</select>
<label>Event Type:</label>
<select @onchange="args => EventTypeFilterChanged(args)" >
    <option value="">All</option>
    @foreach(EventType eventType in (EventType[]) Enum.GetValues(typeof(EventType)))
    {
        <option value="@eventType">@eventType.ToString()</option>
    }
</select>

<br />

@foreach (var raid in _templatesToShow.OrderBy(r => r.StartTime)) 
{
    <br />
    <RaidTemplateDetails _template=@raid _user=@_user/>
}

@code 
{
    private List<RaidTemplate> _templates;
    private LiebUser? _user;
    private string _filterRole = string.Empty;
    private string _filterEventType = string.Empty;
    private List<RaidTemplate> _templatesToShow;

    protected override async Task OnInitializedAsync()
    {
        _templates = RaidTemplateService.GetTemplates();
        var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();

        if (authState.User.Identity.IsAuthenticated)
        {
            ulong discordId = ulong.Parse(authState.User.Claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier).Value);
            _user = UserService.GetLiebUser(discordId);
        }
        ApplyFilter();
    }

    private void GroupFilterChanged(ChangeEventArgs e)
    {
        _filterRole = e.Value?.ToString();
        ApplyFilter();
    }

    private void EventTypeFilterChanged(ChangeEventArgs e)
    {
        _filterEventType = e.Value?.ToString();
        ApplyFilter();
    }

    private void ApplyFilter()
    {
        if(String.IsNullOrEmpty(_filterRole))
        {
            _templatesToShow = _templates;
        }
        else if(_filterRole == "No Group")
        {
            _templatesToShow = _templates.Where(r => string.IsNullOrEmpty(r.RequiredRole)).ToList();
        }
        else
        {
            _templatesToShow = _templates.Where(r => r.RequiredRole == _filterRole).ToList();
        }
        if(!String.IsNullOrEmpty(_filterEventType))
        {
            _templatesToShow = _templatesToShow.Where(r => r.EventType.ToString() == _filterEventType).ToList();
        }
    }
}