@namespace Oqtane.Themes.Controls
@using Oqtane.Enums
@inherits ThemeControlBase
@inject NavigationManager NavigationManager
@inject IUserService UserService
@inject IModuleDefinitionService ModuleDefinitionService
@inject IThemeService ThemeService
@inject IModuleService ModuleService
@inject IPageService PageService
@inject IPageModuleService PageModuleService
@inject ILogService logger

@if (_moduleDefinitions != null && UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions))
{
    <div class="app-controlpanel" style="@_display">

        <div class="@CardClass">
            <div class="@HeaderClass">
                Control Panel
                <button type="button" class="close" @onclick="HideControlPanel" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">&times;</span>
                </button>
            </div>
            <div class="@BodyClass">

                @if (UserSecurity.IsAuthorized(PageState.User, Constants.AdminRole))
                {
                    <div class="row">
                        <div class="col">
                            <button type="button" class="btn btn-primary btn-block mx-auto" @onclick=@(async () => Navigate("Admin"))>Admin Dashboard</button>
                        </div>
                    </div>

                    <hr class="app-rule" />

                    <div class="row">
                        <div class="col text-center">
                            <label class="control-label">Page Management: </label>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col">
                            <button type="button" class="btn btn-primary btn-block mx-auto" @onclick=@(async () => Navigate("Add"))>Add</button>
                        </div>
                        <div class="col">
                            <button type="button" class="btn btn-primary btn-block mx-auto" @onclick=@(async () => Navigate("Edit"))>Edit</button>
                        </div>
                        <div class="col">
                            <button class="btn btn-danger btn-block mx-auto" @onclick="ConfirmDelete">Delete</button>
                        </div>
                    </div>
                }

                @if (_deleteConfirmation)
                {
                    <div class="app-admin-modal">
                        <div class="modal" tabindex="-1" role="dialog">
                            <div class="modal-dialog">
                                <div class="modal-content">
                                    <div class="modal-header">
                                        <h5 class="modal-title">Delete Page</h5>
                                        <button type="button" class="close" @onclick="ConfirmDelete" aria-label="Close">&times;</button>
                                    </div>
                                    <div class="modal-body">
                                        <p>Are You Sure You Want To Delete This Page?</p>
                                    </div>
                                    <div class="modal-footer">
                                        <button type="button" class="btn btn-danger" @onclick="DeletePage">Delete</button>
                                        <button type="button" class="btn btn-secondary" @onclick="ConfirmDelete">Cancel</button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                }
                <hr class="app-rule" />

                <div class="row">
                    <div class="col text-center">
                        <label for="Module" class="control-label">Module Management: </label>
                        <select class="form-control" @bind="@_moduleType">
                            <option value="new">Add New Module</option>
                            <option value="existing">Add Existing Module</option>
                        </select>
                        @if (_moduleType == "new")
                        {
                            @if (_moduleDefinitions != null)
                            {
                                <select class="form-control" @onchange="(e => CategoryChanged(e))">
                                    @foreach (var category in _categories)
                                    {
                                        if (category == _category)
                                        {
                                            <option value="@category" selected>@category Modules</option>
                                        }
                                        else
                                        {
                                            <option value="@category">@category Modules</option>
                                        }
                                    }
                                </select>
                                <select class="form-control" @onchange="(e => ModuleChanged(e))">
                                    @if (_moduleDefinitionName == "-")
                                    {
                                        <option value="-" selected>&lt;Select Module&gt;</option>
                                    }
                                    else
                                    {
                                        <option value="-">&lt;Select Module&gt;</option>
                                    }
                                    @foreach (var moduledefinition in _moduleDefinitions)
                                    {
                                        if (UserSecurity.IsAuthorized(PageState.User, PermissionNames.Utilize, moduledefinition.Permissions))
                                        {
                                            <option value="@moduledefinition.ModuleDefinitionName">@moduledefinition.Name</option>
                                        }
                                    }
                                </select>
                                @((MarkupString)@_description)                                
                            }
                        }
                        else
                        {
                            <select class="form-control" @onchange="(e => PageChanged(e))">
                                <option value="-">&lt;Select Page&gt;</option>
                                @foreach (Page p in _pages)
                                {
                                    <option value="@p.PageId">@p.Name</option>
                                }
                            </select>
                            <select class="form-control" @bind="@_moduleId">
                                <option value="-">&lt;Select Module&gt;</option>
                                @foreach (Module module in _modules)
                                {
                                    <option value="@module.ModuleId">@module.Title</option>
                                }
                            </select>
                        }
                    </div>
                </div>
                <div class="row">
                    <div class="col text-center">
                        <label for="Title" class="control-label">Title: </label>
                        <input type="text" name="Title" class="form-control" @bind="@_title" />
                    </div>
                </div>
                <div class="row">
                    <div class="col text-center">
                        <label for="Pane" class="control-label">Pane: </label>
                        <select class="form-control" @bind="@_pane">
                            <option value="">&lt;Select Pane&gt;</option>
                            @foreach (string pane in PageState.Page.Panes.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
                            {
                                <option value="@pane">@pane Pane</option>
                            }
                        </select>
                    </div>
                </div>
                <div class="row">
                    <div class="col text-center">
                        <label for="Container" class="control-label">Container: </label>
                        <select class="form-control" @bind="@_containerType">
                            @foreach (KeyValuePair<string, string> container in _containers)
                            {
                                <option value="@container.Key">@container.Value</option>
                            }
                        </select>
                    </div>
                </div>

                <br />

                <button type="button" class="btn btn-primary btn-block mx-auto" @onclick="@AddModule">Add Module To Page</button>
                @((MarkupString) _message)
            </div>
        </div>
    </div>
}

@if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions) || (PageState.Page.IsPersonalizable && PageState.User != null))
{
    @if (PageState.Page.EditMode)
    {
        <button type="button" class="btn @ButtonClass active" aria-pressed="true" autocomplete="off">
            <span class="oi oi-pencil"></span>
        </button>
    }
    else
    {
        if (PageState.EditMode)
        {
            <button type="button" class="btn @ButtonClass active" data-toggle="button" aria-pressed="true" autocomplete="off" @onclick="(async () => await ToggleEditMode(PageState.EditMode))">
                <span class="oi oi-pencil"></span>
            </button>
        }
        else
        {
            <button type="button" class="btn @ButtonClass" data-toggle="button" aria-pressed="false" autocomplete="off" @onclick="(async () => await ToggleEditMode(PageState.EditMode))">
                <span class="oi oi-pencil"></span>
            </button>
        }
    }
}

@if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions))
{
    <button type="button" class="btn @ButtonClass" @onclick="ShowControlPanel">
        <span class="oi oi-menu"></span>
    </button>
}

@code {
    private bool _deleteConfirmation = false;
    private string _moduleType = "new";
    private List<string> _categories = new List<string>();
    private List<ModuleDefinition> _allModuleDefinitions;
    private List<ModuleDefinition> _moduleDefinitions;
    private List<Page> _pages = new List<Page>();
    private string _pageId = "-";
    private string _moduleId = "-";
    private List<Module> _modules = new List<Module>();
    private Dictionary<string, string> _containers = new Dictionary<string, string>();
    private string _moduleDefinitionName = "-";
    private string _category = "Common";
    private string _description = "";
    private string _pane = "";
    private string _title = "";
    private string _containerType = "";
    private string _display = "display: none;";
    private string _message = "";

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

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

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

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

    protected override async Task OnParametersSetAsync()
    {
        if (string.IsNullOrEmpty(ButtonClass))
        {
            ButtonClass = "btn-outline-primary";
        }

        if (string.IsNullOrEmpty(CardClass))
        {
            CardClass = "card bg-secondary mb-3";
        }

        if (string.IsNullOrEmpty(HeaderClass))
        {
            HeaderClass = "card-header text-white";
        }

        if (string.IsNullOrEmpty(BodyClass))
        {
            BodyClass = "card-body";
        }

        if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions))
        {
            _pages?.Clear();

            foreach (Page p in PageState.Pages)
            {
                if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.View, p.Permissions))
                {
                    _pages.Add(p);
                }
            }

            var panes = PageState.Page.Panes.Split(new[] {';'}, StringSplitOptions.RemoveEmptyEntries);
            _pane = panes.Count() == 1 ? panes.SingleOrDefault() : "";
            var themes = await ThemeService.GetThemesAsync();
            _containers = ThemeService.GetContainerTypes(themes);
            _containerType = PageState.Site.DefaultContainerType;

            _allModuleDefinitions = await ModuleDefinitionService.GetModuleDefinitionsAsync(PageState.Site.SiteId);

            _categories = new List<string>();
            foreach (ModuleDefinition moduledefinition in _allModuleDefinitions)
            {
                if (moduledefinition.Categories != "")
                {
                    foreach (string category in moduledefinition.Categories.Split(','))
                    {
                        if (!_categories.Contains(category))
                        {
                            _categories.Add(category);
                        }
                    }
                }
            }

            _category = "Common";
            _moduleDefinitions = _allModuleDefinitions.Where(item => item.Categories.Contains(_category)).ToList();
            _moduleDefinitionName = "-";
            _description = "";
        }
    }

    private void CategoryChanged(ChangeEventArgs e)
    {
        _category = (string) e.Value;
        _moduleDefinitions = _allModuleDefinitions.Where(item => item.Categories.Contains(_category)).ToList();
        _moduleDefinitionName = "-";
        _description = "";
        StateHasChanged();
    }

    private void ModuleChanged(ChangeEventArgs e)
    {
        _moduleDefinitionName = (string)e.Value;
        if (_moduleDefinitionName != "-")
        {
            var moduleDefinition = _moduleDefinitions.FirstOrDefault(item => item.ModuleDefinitionName == _moduleDefinitionName);
            _description = "<br /><div class=\"alert alert-info\" role=\"alert\">" + moduleDefinition.Description + "</div>";
        }
        else
        {
            _description = "";
        }
        StateHasChanged();
    }

    private void PageChanged(ChangeEventArgs e)
    {
        _pageId = (string) e.Value;
        _modules?.Clear();

        if (_pageId != "-")
        {
            foreach (Module module in PageState.Modules.Where(item => item.PageId == int.Parse(_pageId) && !item.IsDeleted))
            {
                if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.View, module.Permissions))
                {
                    _modules.Add(module);
                }
            }
        }

        _moduleId = "-";
        StateHasChanged();
    }

    private async Task AddModule()
    {
        if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions))
        {
            if ((_moduleType == "new" && _moduleDefinitionName != "-") || (_moduleType != "new" && _moduleId != "-"))
            {
                if (_moduleType == "new")
                {
                    Module module = new Module();
                    module.SiteId = PageState.Site.SiteId;
                    module.PageId = PageState.Page.PageId;
                    module.ModuleDefinitionName = _moduleDefinitionName;
                    module.Permissions = PageState.Page.Permissions;
                    module = await ModuleService.AddModuleAsync(module);
                    _moduleId = module.ModuleId.ToString();
                }

                var pageModule = new PageModule
                {
                    PageId = PageState.Page.PageId,
                    ModuleId = int.Parse(_moduleId),
                    Title = _title
                };
                if (pageModule.Title == "")
                {
                    if (_moduleType == "new")
                    {
                        pageModule.Title = _moduleDefinitions.FirstOrDefault(item => item.ModuleDefinitionName == _moduleDefinitionName)?.Name;
                    }
                    else
                    {
                        pageModule.Title = _modules.FirstOrDefault(item => item.ModuleId == int.Parse(_moduleId))?.Title;
                    }
                }

                pageModule.Pane = _pane;
                pageModule.Order = int.MaxValue;
                pageModule.ContainerType = _containerType;

                if (pageModule.ContainerType == PageState.Site.DefaultContainerType)
                {
                    pageModule.ContainerType = "";
                }

                await PageModuleService.AddPageModuleAsync(pageModule);
                await PageModuleService.UpdatePageModuleOrderAsync(pageModule.PageId, pageModule.Pane);

                _message = "<br /><div class=\"alert alert-success\" role=\"alert\">Module Added To Page</div>";

                _moduleDefinitionName = "-";
                _description = "";
                _pane = "";
                _title = "";
                _containerType = "";
                _pageId = "-";
                _moduleId = "-";

                NavigationManager.NavigateTo(NavigateUrl());
            }
            else
            {
                _message = "<br /><div class=\"alert alert-warning\" role=\"alert\">You Must Select A Module</div>";
            }
        }
        else
        {
            _message = "<br /><div class=\"alert alert-error\" role=\"alert\">Not Authorized</div>";
        }
    }

    private async Task ToggleEditMode(bool EditMode)
    {
        if (UserSecurity.IsAuthorized(PageState.User,PermissionNames.Edit, PageState.Page.Permissions))
        {
            if (EditMode)
            {
                PageState.EditMode = false;
            }
            else
            {
                PageState.EditMode = true;
            }
            NavigationManager.NavigateTo(NavigateUrl(PageState.Page.Path, "edit=" + ((PageState.EditMode) ? "1" : "0")));
        }
        else
        {
            if (PageState.Page.IsPersonalizable && PageState.User != null)
            {
                await PageService.AddPageAsync(PageState.Page.PageId, PageState.User.UserId);
                PageState.EditMode = true;
                NavigationManager.NavigateTo(NavigateUrl(PageState.Page.Path, "edit=" + ((PageState.EditMode) ? "1" : "0")));
            }
        }
    }

    private void ShowControlPanel()
    {
        _message = "";
        _display = "width: 25%; min-width: 375px;";
        StateHasChanged();
    }

    private void HideControlPanel()
    {
        _message = "";
        _display = "width: 0%;";
        StateHasChanged();
    }

    private void Navigate(string location)
    {
        HideControlPanel();
        Module module;
        switch (location)
        {
            case "Admin":
                // get admin dashboard moduleid
                module = PageState.Modules.FirstOrDefault(item => item.ModuleDefinitionName == Constants.AdminDashboardModule);

                if (module != null)
                {
                    NavigationManager.NavigateTo(EditUrl(PageState.Page.Path, module.ModuleId, "Index", ""));
                }

                break;
            case "Add":
            case "Edit":
                string url = "";
                // get page management moduleid
                module = PageState.Modules.FirstOrDefault(item => item.ModuleDefinitionName == Constants.PageManagementModule);

                if (module != null)
                {
                    switch (location)
                    {
                        case "Add":
                            url = EditUrl(PageState.Page.Path, module.ModuleId, location, "");
                            break;
                        case "Edit":
                            url = EditUrl(PageState.Page.Path, module.ModuleId, location, "id=" + PageState.Page.PageId.ToString());
                            break;
                    }
                }

                if (url != "")
                {
                    NavigationManager.NavigateTo(url);
                }

                break;
        }
    }

    private void ConfirmDelete()
    {
        _deleteConfirmation = !_deleteConfirmation;
        StateHasChanged();
    }

    private async Task DeletePage()
    {
        ConfirmDelete();

        var page = PageState.Page;
        try
        {
            if (page.UserId == null)
            {
                page.IsDeleted = true;
                await PageService.UpdatePageAsync(page);
                await logger.Log(page.PageId, null, PageState.User.UserId, GetType().AssemblyQualifiedName, "ControlPanel", LogFunction.Delete, LogLevel.Information, null, "Page Deleted {Page}", page);
                NavigationManager.NavigateTo(NavigateUrl(""));
            }
            else // personalized page
            {
                await PageService.DeletePageAsync(page.PageId);
                await logger.Log(page.PageId, null, PageState.User.UserId, GetType().AssemblyQualifiedName, "ControlPanel", LogFunction.Delete, LogLevel.Information, null, "Page Deleted {Page}", page);
                NavigationManager.NavigateTo(NavigateUrl());
            }
        }
        catch (Exception ex)
        {
            await logger.Log(page.PageId, null, PageState.User.UserId, GetType().AssemblyQualifiedName, "ControlPanel", LogFunction.Delete, LogLevel.Information, ex, "Page Deleted {Page} {Error}", page, ex.Message);
        }
    }

}