@namespace Oqtane.Modules.Admin.Users
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject IUserService UserService
@inject IProfileService ProfileService
@inject ISettingService SettingService
@inject IStringLocalizer<Add> Localizer
@inject IStringLocalizer<SharedResources> SharedLocalizer

<form @ref="form" class="@(validated ? "was-validated" : "needs-validation")" novalidate>
    <TabStrip>
        <TabPanel Name="Identity" ResourceKey="Identity">
            @if (profiles != null)
            {
                <div class="container">
                    <div class="row mb-1 align-items-center">
                        <Label Class="col-sm-3" For="username" HelpText="A unique username for a user. Note that this field can not be modified once it is saved." ResourceKey="Username"></Label>
                        <div class="col-sm-9">
                            <input id="username" class="form-control" @bind="@username" maxlength="256" required />
                        </div>
                    </div>
                    <div class="row mb-1 align-items-center">
                        <Label Class="col-sm-3" For="password" HelpText="The user's password. Please choose a password which is sufficiently secure." ResourceKey="Password"></Label>
                        <div class="col-sm-9">
                            <input id="password" type="password" class="form-control" @bind="@password" maxlength="256" required />
                        </div>
                    </div>
                    <div class="row mb-1 align-items-center">
                        <Label Class="col-sm-3" For="confirm" HelpText="Please enter the password again to confirm it matches with the value above" ResourceKey="Confirm"></Label>
                        <div class="col-sm-9">
                            <input id="confirm" type="password" class="form-control" @bind="@confirm" maxlength="256" required />
                        </div>
                    </div>
                    <div class="row mb-1 align-items-center">
                        <Label Class="col-sm-3" For="email" HelpText="The email address where the user will receive notifications" ResourceKey="Email"></Label>
                        <div class="col-sm-9">
                            <input id="email" class="form-control" @bind="@email" maxlength="256" required />
                        </div>
                    </div>
                    <div class="row mb-1 align-items-center">
                        <Label Class="col-sm-3" For="displayname" HelpText="The full name of the user" ResourceKey="DisplayName"></Label>
                        <div class="col-sm-9">
                            <input id="displayname" class="form-control" @bind="@displayname" maxlength="256" required />
                        </div>
                    </div>
                </div>

            }
        </TabPanel>
        <TabPanel Name="Profile" ResourceKey="Profile">
            @if (profiles != null)
            {
                <div class="container">
                    <div class="row mb-1 align-items-center">
                        @foreach (Profile profile in profiles)
                        {
                            var p = profile;
                            if (p.Category != category)
                            {
                                <div class="col text-center pb-2">
                                    <strong>@p.Category</strong>
                                </div>
                                category = p.Category;
                            }
                            <div class="row mb-1 align-items-center">
                                <Label Class="col-sm-3" For="@p.Name" HelpText="@p.Description">@p.Title</Label>
                                <div class="col-sm-9">
                                    @if (p.IsRequired)
                                    {
                                        <input id="@p.Name" class="form-control" maxlength="@p.MaxLength" value="@GetProfileValue(p.Name, p.DefaultValue)" required @onchange="@(e => ProfileChanged(e, p.Name))" />
                                    }
                                    else
                                    {
                                        <input id="@p.Name" class="form-control" maxlength="@p.MaxLength" value="@GetProfileValue(p.Name, p.DefaultValue)" @onchange="@(e => ProfileChanged(e, p.Name))" />
                                    }
                                </div>
                            </div>
                        }

                    </div>
                </div>
            }
        </TabPanel>
    </TabStrip>
    <br />
    <br />
    <button type="button" class="btn btn-success" @onclick="SaveUser">@SharedLocalizer["Save"]</button>
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">@SharedLocalizer["Cancel"]</NavLink>
</form>

@code {
    private ElementReference form;

    private bool validated = false;
    private string username = string.Empty;
    private string password = string.Empty;
    private string confirm = string.Empty;
    private string email = string.Empty;
    private string displayname = string.Empty;
    private List<Profile> profiles;
    private Dictionary<string, string> settings;
    private string category = string.Empty;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Admin;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            profiles = await ProfileService.GetProfilesAsync(ModuleState.SiteId);
            settings = new Dictionary<string, string>();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading User Profile {Error}", ex.Message);
            AddModuleMessage(Localizer["Error.Profile.Load"], MessageType.Error);
        }
    }

    private string GetProfileValue(string SettingName, string DefaultValue)
        => SettingService.GetSetting(settings, SettingName, DefaultValue);

    private async Task SaveUser()
    {
        validated = true;
        var interop = new Interop(JSRuntime);
        if (await interop.FormValid(form))
        {
            try
            {
                if (username != string.Empty && password != string.Empty && confirm != string.Empty && email != string.Empty && ValidateProfiles())
                {
                    if (password == confirm)
                    {
                        var user = await UserService.GetUserAsync(username, PageState.Site.SiteId);
                        if (user == null)
                        {
                            user = new User();
                            user.SiteId = PageState.Site.SiteId;
                            user.Username = username;
                            user.Password = password;
                            user.Email = email;
                            user.DisplayName = string.IsNullOrWhiteSpace(displayname) ? username : displayname;
                            user.PhotoFileId = null;

                            user = await UserService.AddUserAsync(user);

                            if (user != null)
                            {
                                await SettingService.UpdateUserSettingsAsync(settings, user.UserId);
                                await logger.LogInformation("User Created {User}", user);
                                NavigationManager.NavigateTo(NavigateUrl());
                            }
                            else
                            {
                                await logger.LogError("Error Adding User {Username} {Email}", username, email);
                                AddModuleMessage(Localizer["Error.User.AddCheckPass"], MessageType.Error);
                            }
                        }
                        else
                        {
                            AddModuleMessage(Localizer["Message.Username.Exists"], MessageType.Warning);
                        }
                    }
                    else
                    {
                        AddModuleMessage(Localizer["Message.Password.NoMatch"], MessageType.Warning);
                    }
                }
                else
                {
                    AddModuleMessage(Localizer["Message.Required.ProfileInfo"], MessageType.Warning);
                }
            }
            catch (Exception ex)
            {
                await logger.LogError(ex, "Error Adding User {Username} {Email} {Error}", username, email, ex.Message);
                AddModuleMessage(Localizer["Error.User.Add"], MessageType.Error);
            }
        }
        else
        {
            AddModuleMessage(SharedLocalizer["Message.InfoRequired"], MessageType.Warning);
        }
    }

    private bool ValidateProfiles()
    {
        bool valid = true;
        foreach (Profile profile in profiles)
        {
            if (string.IsNullOrEmpty(SettingService.GetSetting(settings, profile.Name, string.Empty)) && !string.IsNullOrEmpty(profile.DefaultValue))
            {
                settings = SettingService.SetSetting(settings, profile.Name, profile.DefaultValue);
            }
            if (profile.IsRequired && string.IsNullOrEmpty(SettingService.GetSetting(settings, profile.Name, string.Empty)))
            {
                valid = false;
            }
        }
        return valid;
    }

    private void ProfileChanged(ChangeEventArgs e, string SettingName)
    {
        var value = (string)e.Value;
        settings = SettingService.SetSetting(settings, SettingName, value);
    }

}