@using Oqtane.Modules.Controls
@using SZUAbsolventenverein.Module.AdminModules.Services
@using SZUAbsolventenverein.Module.AdminModules.Models
@using Microsoft.AspNetCore.Components.Forms;

@namespace SZUAbsolventenverein.Module.AdminMassMailing
@inherits ModuleBase
@inject IAdminModulesService AdminModulesService
@inject NavigationManager NavigationManager
@inject IStringLocalizer<Edit> Localizer

<form @ref="form" class="@(validated ? " was-validated" : "needs-validation" )" novalidate>
    <div class="container">
        <div class="row mb-1 align-items-center">
            <Label Class="col-sm-3" For="role" HelpText="Select a role" ResourceKey="Role">Role: </Label>
            <div class="col-sm-9">
                <InputSelect id="content" @bind-Value="selectedRoleId" class="form-control" required>
                    <option disabled="disabled" selected value="-1">Select Role</option>
                    @foreach (var role in roles)
                    {
                        <option value="@role.RoleId">@role.Name</option>
                    }
                </InputSelect>
            </div>
        </div>
        @if(userCount != null)
        {
            <div class="row mb-1 align-items-center">
                <Label Class="col-sm-3" For="userCount" HelpText="Anzahl an Benutzern in der gewählten Rolle" ResourceKey="Users">Users in Role: </Label>
                <div class="col-sm-9" id="userCount">
                    @userCount
                </div>
            </div>
        }
    </div>
    <p></p>
    @if(userCount != null)
    {
        <ActionDialog Header="@(userCount != null ? userCount + " Nachrichten versenden" : "-")"
            Message="Are You Sure You Wish To Send this Mass Notification?"
            Action="SendConfirm"
            Security="SecurityAccessLevel.Edit"
            Class="btn btn-success"
            OnClick="@(async () => await Save())"
            ResourceKey="SendConfirm" />
    }
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">@Localizer["Cancel"]</NavLink>
</form>

@code {
    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Edit;

    public override string Actions => "Send";

    public override string Title => "Send Notifications";

    public override List<Resource> Resources => new List<Resource>()
    {
        new Stylesheet("_content/SZUAbsolventenverein.Module.AdminModules/Module.css")
    };

    private List<Role> roles = new List<Role>();

    private int _selectedRoleId = -1;
    private int selectedRoleId
    {
        get => _selectedRoleId;
        set {
            _selectedRoleId = value;
            selectedRole = roles.FirstOrDefault(r => r.RoleId == selectedRoleId);
            RefetchUserCount();
        }
    }
    private Role selectedRole;
    private int? userCount { get; set; }

    private ElementReference form;
    private bool validated = false;

    private int _id;
    
    private async void RefetchUserCount()
    {
        EmailFields ef = new EmailFields();
        ef.Role = selectedRole;
        ef.AdminModulesId = _id;
        ef.ModuleId = ModuleState.ModuleId;

        ef = await AdminModulesService.PostUsercountInRole(ef);
        userCount = ef.UserCount;
        StateHasChanged();
    }

    protected override async Task OnInitializedAsync()
    {
        try
        {
            if (PageState.Action == "Send")
            {
                _id = Int32.Parse(PageState.QueryString["id"]);
                roles = await AdminModulesService.GetRoles(ModuleState.ModuleId);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading AdminModules {AdminModulesId} {Error}", _id, ex.Message);
            AddModuleMessage(Localizer["Message.LoadError"], MessageType.Error);
        }
    }

    private async Task Save()
    {
        try
        {
            validated = true;
            var interop = new Oqtane.UI.Interop(JSRuntime);
            if (await interop.FormValid(form))
            {
                EmailFields ef = new EmailFields();
                ef.ModuleId = ModuleState.ModuleId;
                ef.AdminModulesId = _id;
                ef.Role = selectedRole;
                ef = await AdminModulesService.SendMassNotification(ef);
                NavigationManager.NavigateTo(NavigateUrl());
            }
            else
            {
                AddModuleMessage(Localizer["Message.SaveValidation"], MessageType.Warning);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Saving AdminModules {Error}", ex.Message);
            AddModuleMessage(Localizer["Message.SaveError"], MessageType.Error);
        }
    }
}