@page "/useredit"
@page "/useredit/{_userId}"
@using Lieb.Data
@using Lieb.Models
@using Lieb.Models.GuildWars2
@using System.ComponentModel.DataAnnotations
@using System.Security.Claims
@inject UserService UserService
@inject NavigationManager NavigationManager
@inject AuthenticationStateProvider AuthenticationStateProvider
@inject IJSRuntime JsRuntime

<h3>User Edit</h3>

<EditForm Model="@_user" OnValidSubmit="@HandleValidSubmit">
    <DataAnnotationsValidator />
    <ValidationSummary />
    
            
    <AuthorizeView Policy="@Constants.Roles.Admin.Name" Context="authorizationContext">
        <Authorized>
            <p>@_submitMessage</p>
            <p>
                <label>
                    Banned Until:
                    <InputDate @bind-Value="_user.BannedUntil" />
                </label>       
                @if (_user.BannedUntil >= DateTime.Now.Date)
                {
                    <button type="submit">Ban</button>
                }
                else
                {
                    <button type="submit">Unban</button>
            }
            </p>
        </Authorized>
    </AuthorizeView>

</EditForm>


<table>
    <tr>
        <th></th>
        <th>Role</th>
        <th>Type</th>
    </tr>
    @foreach (LiebRole role in _roles)
    {
        <tr>
            @{
                bool hasRole = _user.RoleAssignments.Where(a => a.LiebRoleId == role.LiebRoleId).Any();
                bool disabled = _editingUserRights < role.LevelToAssign || role.Type == RoleType.GuildRole;
                }
            <td><input type="checkbox" disabled="@disabled" checked="@hasRole" @onchange="args => RoleStatusChanged(role, args)" /></td>
            <td>@role.RoleName</td>
            <td>@role.Type.ToString()</td>
        </tr>
    }
</table> 
<br />

@code {

    [Parameter]
    public string _userId { get; set; }

    private LiebUser _user;
    private int _editingUserRights = 0;
    private List<LiebRole> _roles;
    private string _submitMessage = string.Empty;

    protected override async Task OnInitializedAsync()
    {
        var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
        ulong discordId = ulong.Parse(authState.User.Claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier).Value);
        LiebUser editingUser = UserService.GetLiebUser(discordId);

        foreach(RoleAssignment assignment in editingUser.RoleAssignments)
        {
            if(_editingUserRights < assignment.LiebRole.Level)
            {
                _editingUserRights = assignment.LiebRole.Level;
            }
        }

        if(!string.IsNullOrEmpty(_userId) && ulong.TryParse(_userId, out ulong parsedId))
        {
            _user = UserService.GetLiebUser(parsedId);
            _roles = UserService.GetLiebRoles();
        }
        else
        {
            NavigationManager.NavigateTo("useroverview");
        }
    }

    async Task RoleStatusChanged(LiebRole role, ChangeEventArgs args)
    {
        bool isChecked = bool.Parse(args.Value.ToString());
        RoleAssignment? assignment = _user.RoleAssignments.FirstOrDefault(a => a.LiebRoleId == role.LiebRoleId);
        if(isChecked && assignment == null)
        {
            RoleAssignment roleAssignment = new RoleAssignment()
                {
                    LiebRoleId = role.LiebRoleId,
                    LiebUserId = _user.Id
                };
            await UserService.AddRoleToUser(_user.Id, role.LiebRoleId);
            _user.RoleAssignments.Add(roleAssignment);
        }
        else if(!isChecked && assignment != null)
        {
            await UserService.RemoveRoleFromUser(_user.Id, role.LiebRoleId);
            _user.RoleAssignments.Remove(assignment);
        }
    }

    private async Task HandleValidSubmit()
    {
        await UserService.UpdateBannedUntil(_user.Id, _user.BannedUntil);
        if(_user.BannedUntil >= DateTime.Now.Date)
        {
            _submitMessage = "user banned successfully";
        }
        else
        {
            _submitMessage = "user unbanned successfully";
        }
    }
}