@page "/Settings/Authentication"
@using CaseConverter
@using LANCommander.SDK.Extensions
@using LANCommander.Server.Settings
@using LANCommander.Server.UI.Pages.Settings.Authentication.Components
@using Microsoft.Extensions.Options
@inject IMessageService MessageService
@inject ILogger<Index> Logger
@inject IServiceProvider ServiceProvider
@inject IOptions<Settings> Settings
@inject SettingsProvider<Settings> SettingsProvider
@attribute [Authorize(Roles = RoleService.AdministratorRoleName)]

<PageHeader Title="Authentication">
    <PageHeaderExtra>
        <Button OnClick="Save" Type="@ButtonType.Primary">Save</Button>
    </PageHeaderExtra>
</PageHeader>

<PageContent>
    <Form Model="Settings.Value" Layout="@FormLayout.Vertical">
        <FormItem Label="Require Account Approval">
            <Switch @bind-Checked="context.Server.Authentication.RequireApproval" />
        </FormItem>

        <FormItem Label="Token Secret">
            <InputPassword @bind-Value="context.Server.Authentication.TokenSecret" />
        </FormItem>
        <FormItem Label="Token Lifetime">
            <AntDesign.InputNumber @bind-Value="context.Server.Authentication.TokenLifetime" Formatter="FormatTokenLifetime" Min="1" />
        </FormItem>

        <Divider Text="Password Requirements" />

        <FormItem Label="Require non-alphanumeric characters">
            <Switch @bind-Checked="@context.Server.Authentication.PasswordRequireNonAlphanumeric" />
        </FormItem>
        <FormItem Label="Require Lowercase characters">
            <Switch @bind-Checked="context.Server.Authentication.PasswordRequireLowercase" />
        </FormItem>
        <FormItem Label="Require Uppercase characters">
            <Switch @bind-Checked="context.Server.Authentication.PasswordRequireUppercase" />
        </FormItem>
        <FormItem Label="Require digits">
            <Switch @bind-Checked="context.Server.Authentication.PasswordRequireDigit" />
        </FormItem>
        <FormItem Label="Minimum Length">
            <AntDesign.InputNumber @bind-Value="context.Server.Authentication.PasswordRequiredLength" Min="1" />
        </FormItem>

        <Divider Text="Security" />
        
        <Collapse>
            <Panel Header="HTTP">
                <FormItem Label="Minimum Same Site Cookie Policy">
                    <EnumSelect TEnum="SameSiteMode" @bind-Value="context.Server.Authentication.HttpCookiePolicy.SameSite" />
                </FormItem>
                <FormItem Label="Cookie Secure Policy">
                    <EnumSelect TEnum="CookieSecurePolicy" @bind-Value="context.Server.Authentication.HttpCookiePolicy.Secure" />
                </FormItem>
            </Panel>
            
            <Panel Header="HTTPS">
                <FormItem Label="Minimum Same Site Cookie Policy">
                    <EnumSelect TEnum="SameSiteMode" @bind-Value="context.Server.Authentication.HttpsCookiePolicy.SameSite" />
                </FormItem>
                <FormItem Label="Cookie Secure Policy">
                    <EnumSelect TEnum="CookieSecurePolicy" @bind-Value="context.Server.Authentication.HttpsCookiePolicy.Secure" />
                </FormItem>
            </Panel>
        </Collapse>
    </Form>

    <Divider Text="External Providers" />

    <ExternalProviderEditor @bind-Values="Settings.Value.Server.Authentication.AuthenticationProviders" />
</PageContent>

@code {
    string FormatTokenLifetime(int value)
    {
        return value.ToString() + " days";
    }

    void Save()
    {
        try
        {
            SettingsProvider.Update(s =>
            {
                foreach (var authenticationProvider in Settings.Value.Server.Authentication.AuthenticationProviders)
                {
                    if (String.IsNullOrWhiteSpace(authenticationProvider.Slug))
                        authenticationProvider.Slug = authenticationProvider.Name.ToPascalCase();
                }
                
                s.Server.Authentication.AuthenticationProviders = Settings.Value.Server.Authentication.AuthenticationProviders;
            });

            MessageService.Success("Settings saved!");
        }
        catch (Exception ex)
        {
            MessageService.Error("An unknown error occurred.");
            Logger.LogError(ex, "An unknown error occurred.");
        }
    }
}