@namespace Oqtane.Modules.Admin.Sites
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject ITenantService TenantService
@inject IAliasService AliasService
@inject ISiteService SiteService
@inject IThemeService  ThemeService
@inject ISiteTemplateService SiteTemplateService 
@inject IUserService UserService

@if (_tenants == null)
{
    <p><em>Loading...</em></p>
}
else
{
<table class="table table-borderless">
    <tr>
        <td>
            <Label For="tenant" HelpText="Select the tenant for the site">Tenant: </Label>
        </td>
        <td>
            <select id="tenant" class="form-control" @onchange="(e => TenantChanged(e))">
                <option value="-1">&lt;Select Tenant&gt;</option>
                @foreach (Tenant tenant in _tenants)
                {
                    <option value="@tenant.TenantId">@tenant.Name</option>
                }
            </select>
        </td>
    </tr>
    <tr>
        <td>
            <Label For="name" HelpText="Enter the name of the site">Name: </Label>
        </td>
        <td>
            <input id="name" class="form-control" @bind="@_name" />
        </td>
    </tr>
    <tr>
        <td>
            <Label For="alias" HelpText="Enter the alias for the server">Aliases: </Label>
        </td>
        <td>
            <textarea id="alias" class="form-control" @bind="@_urls" rows="3"></textarea>
        </td>
    </tr>
    <tr>
        <td>
            <Label For="defaultTheme" HelpText="Select the default theme for the website">Default Theme: </Label>
        </td>
        <td>
            <select id="defaultTheme" class="form-control" @onchange="(e => ThemeChanged(e))">
                <option value="">&lt;Select Theme&gt;</option>
                @foreach (KeyValuePair<string, string> item in _themes)
                {
                    <option value="@item.Key">@item.Value</option>
                }
            </select>
        </td>
    </tr>
    <tr>
        <td>
            <Label For="defaultLayout" HelpText="Select the default layout for the site">Default Layout: </Label>
        </td>
        <td>
            <select id="defaultLayout" class="form-control" @bind="@_layouttype">
                <option value="">&lt;Select Layout&gt;</option>
                @foreach (KeyValuePair<string, string> panelayout in _panelayouts)
                {
                    <option value="@panelayout.Key">@panelayout.Value</option>
                }
            </select>
        </td>
    </tr>
    <tr>
        <td>
            <Label For="defaultContainer" HelpText="Select the default container for the site">Default Container: </Label>
        </td>
        <td>
            <select id="defaultContainer" class="form-control" @bind="@_containertype">
                <option value="">&lt;Select Container&gt;</option>
                @foreach (KeyValuePair<string, string> container in _containers)
                {
                    <option value="@container.Key">@container.Value</option>
                }
            </select>
        </td>
    </tr>
    <tr>
        <td>
            <Label For="siteTemplate" HelpText="Select the site template">Site Template: </Label>
        </td>
        <td>
            <select id="siteTemplate" class="form-control" @bind="@_sitetemplatetype">
                <option value="">&lt;Select Site Template&gt;</option>
                @foreach (SiteTemplate siteTemplate in _siteTemplates)
                {
                    <option value="@siteTemplate.TypeName">@siteTemplate.Name</option>
                }
            </select>
        </td>
    </tr>
    @if (!_isinitialized)
    {
        <tr>
            <td>
                <Label For="hostUsername" HelpText="Enter the username of the host for this site">Host Username:</Label>
            </td>
            <td>
                <input id="hostUsername" class="form-control" @bind="@_username" readonly />
            </td>
        </tr>
        <tr>
            <td>
                <Label For="hostPassword" HelpText="Enter the password for the host of this site">Host Password:</Label>
            </td>
            <td>
                <input id="hostPassword" type="password" class="form-control" @bind="@_password" />
            </td>
        </tr>
    }
</table>
    <button type="button" class="btn btn-success" @onclick="SaveSite">Save</button>
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">Cancel</NavLink>
}

@code {
    private Dictionary<string, string> _themes = new Dictionary<string, string>();
    private Dictionary<string, string> _panelayouts = new Dictionary<string, string>();
    private Dictionary<string, string> _containers = new Dictionary<string, string>();
    private List<SiteTemplate> _siteTemplates;
    private List<Theme> _themeList;
    private List<Tenant> _tenants;
    private string _tenantid = "-1";
    private string _name = string.Empty;
    private string _urls = string.Empty;
    private string _themetype = string.Empty;
    private string _layouttype = string.Empty;
    private string _containertype = string.Empty;
    private string _sitetemplatetype = string.Empty;
    private bool _isinitialized = true;
    private string _username = string.Empty;
    private string _password = string.Empty;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Host;

    protected override async Task OnInitializedAsync()
    {
        _themeList = await ThemeService.GetThemesAsync();
        _tenants = await TenantService.GetTenantsAsync();
        _urls = PageState.Alias.Name;
        _themes = ThemeService.GetThemeTypes(_themeList);
        _containers = ThemeService.GetContainerTypes(_themeList);
        _siteTemplates = await SiteTemplateService.GetSiteTemplatesAsync();
        _username = Constants.HostUser;
    }

    private async void TenantChanged(ChangeEventArgs e)
    {
        try
        {
            _tenantid = (string)e.Value;
            if (_tenantid != "-1")
            {
                var tenant = _tenants.FirstOrDefault(item => item.TenantId == int.Parse(_tenantid));
                if (tenant != null)
                {
                    _isinitialized = tenant.IsInitialized;
                    StateHasChanged();
                }
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Tenant {TenantId} {Error}", _tenantid, ex.Message);
            AddModuleMessage("Error Loading Tenant", MessageType.Error);
        }
    }

    private async void ThemeChanged(ChangeEventArgs e)
    {
        try
        {
            _themetype = (string)e.Value;
            if (_themetype != string.Empty)
            {
                _panelayouts = ThemeService.GetPaneLayoutTypes(_themeList, _themetype);
            }
            else
            {
                _panelayouts = new Dictionary<string, string>();
            }
            
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Pane Layouts For Theme {ThemeType} {Error}", _themetype, ex.Message);
            AddModuleMessage("Error Loading Pane Layouts For Theme", MessageType.Error);
        }
    }

    private async Task SaveSite()
    {
        if (_tenantid != "-1" && _name != string.Empty && _urls != string.Empty && !string.IsNullOrEmpty(_themetype) && (_panelayouts.Count == 0 || !string.IsNullOrEmpty(_layouttype)) && !string.IsNullOrEmpty(_containertype) && !string.IsNullOrEmpty(_sitetemplatetype))
        {
            var unique = true;
            var aliases = await AliasService.GetAliasesAsync();
            foreach (string name in _urls.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
            {
                if (aliases.Exists(item => item.Name == name))
                {
                    unique = false;
                }
            }
            
            if (unique)
            {
                var isvalid = true;

                if (!_isinitialized)
                {
                    var user = new User();
                    user.SiteId = PageState.Site.SiteId;
                    user.Username = _username;
                    user.Password = _password;
                    user = await UserService.LoginUserAsync(user, false, false);
                    isvalid = user.IsAuthenticated;
                }

                if (isvalid)
                {
                    ShowProgressIndicator();

                    aliases = new List<Alias>();
                    _urls = _urls.Replace("\n", ",");
                    
                    foreach (string name in _urls.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
                    {
                        var alias = new Alias();
                        alias.Name = name;
                        alias.TenantId = int.Parse(_tenantid);
                        alias.SiteId = -1;
                        alias = await AliasService.AddAliasAsync(alias);
                        aliases.Add(alias);
                    }

                    var site = new Site();
                    site.TenantId = int.Parse(_tenantid);
                    site.Name = _name;
                    site.LogoFileId = null;
                    site.FaviconFileId = null;
                    site.DefaultThemeType = _themetype;
                    site.DefaultLayoutType = (_layouttype == null ? string.Empty : _layouttype);
                    site.DefaultContainerType = _containertype;
                    site.PwaIsEnabled = false;
                    site.PwaAppIconFileId = null;
                    site.PwaSplashIconFileId = null;
                    site.AllowRegistration = false;
                    site.SiteTemplateType = _sitetemplatetype;
                    site = await SiteService.AddSiteAsync(site, aliases[0]);

                    foreach (Alias alias in aliases)
                    {
                        alias.SiteId = site.SiteId;
                        await AliasService.UpdateAliasAsync(alias);
                    }

                    if (!_isinitialized)
                    {
                        var user = new User();
                        user.SiteId = site.SiteId;
                        user.Username = _username;
                        user.Password = _password;
                        user.Email = PageState.User.Email;
                        user.DisplayName = PageState.User.DisplayName;
                        user = await UserService.AddUserAsync(user, aliases[0]);

                        if (user != null)
                        {
                            var tenant = _tenants.FirstOrDefault(item => item.TenantId == int.Parse(_tenantid));
                            if (tenant != null)
                            {
                                tenant.IsInitialized = true;
                                await TenantService.UpdateTenantAsync(tenant);
                            }
                        }
                    }
                    
                    await Log(aliases[0], LogLevel.Information, string.Empty, null, "Site Created {Site}", site);

                    var uri = new Uri(NavigationManager.Uri);
                    NavigationManager.NavigateTo(uri.Scheme + "://" + aliases[0].Name, true);
                }
                else
                {
                    await logger.LogError("Invalid Password Entered For Host {Username}", _username);
                    AddModuleMessage("Invalid Host Password", MessageType.Error);
                }
            }
            else
            {
                AddModuleMessage("An Alias Specified Has Already Been Used For Another Site", MessageType.Warning);
            }
        }
        else
        {
            AddModuleMessage("You Must Provide A Tenant, Site Name, Alias, Default Theme/Container, And Site Template", MessageType.Warning);
        }
    }
}