@namespace Oqtane.Modules.Admin.Files
@inherits ModuleBase
@inject IFolderService FolderService
@inject NavigationManager NavigationManager

@if (folders != null)
{
    <table class="table table-borderless">
        <tr>
            <td>
                <label for="Name" class="control-label">Parent: </label>
            </td>
            <td>
                <select class="form-control" @bind="@parentid">
                    @if (PageState.QueryString.ContainsKey("id"))
                    {
                        <option value="-1">&lt;No Parent&gt;</option>
                    }
                    @foreach (Folder folder in folders)
                    {
                        <option value="@(folder.FolderId)">@(new string('-', folder.Level * 2))@(folder.Name)</option>
                    }
                </select>
            </td>
        </tr>
        <tr>
            <td>
                <label for="Name" class="control-label">Name: </label>
            </td>
            <td>
                <input class="form-control" @bind="@name" />
            </td>
        </tr>
        <tr>
            <td>
                <label for="Name" class="control-label">Permissions: </label>
            </td>
            <td>
                <PermissionGrid EntityName="Folder" PermissionNames="Browse,View,Edit" Permissions="@permissions" @ref="permissiongrid" />
            </td>
        </tr>
    </table>
    @if (!issystem)
    {
        <button type="button" class="btn btn-success" @onclick="SaveFolder">Save</button>
    }
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">Cancel</NavLink>
    @if (!issystem && PageState.QueryString.ContainsKey("id"))
    {
        <button type="button" class="btn btn-danger" @onclick="DeleteFolder">Delete</button>
    }
    <br />
    <br />
    @if (PageState.QueryString.ContainsKey("id"))
    {
        <AuditInfo CreatedBy="@createdby" CreatedOn="@createdon" ModifiedBy="@modifiedby" ModifiedOn="@modifiedon"></AuditInfo>
    }
}

@code {
    public override SecurityAccessLevel SecurityAccessLevel { get { return SecurityAccessLevel.Admin; } }
    public override string Title { get { return "Folder Management"; } }

    List<Folder> folders;
    int folderid;
    string name;
    int parentid = -1;
    bool issystem = false;
    string permissions = "";
    string createdby;
    DateTime createdon;
    string modifiedby;
    DateTime modifiedon;

    PermissionGrid permissiongrid;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            folders = await FolderService.GetFoldersAsync(PageState.Site.SiteId);

            if (PageState.QueryString.ContainsKey("id"))
            {
                folderid = Int32.Parse(PageState.QueryString["id"]);
                Folder folder = await FolderService.GetFolderAsync(folderid);
                if (folder != null)
                {
                    parentid = (folder.ParentId == null) ? -1 : folder.ParentId.Value;
                    name = folder.Name;
                    issystem = folder.IsSystem;
                    permissions = folder.Permissions;
                    createdby = folder.CreatedBy;
                    createdon = folder.CreatedOn;
                    modifiedby = folder.ModifiedBy;
                    modifiedon = folder.ModifiedOn;
                }
            }
            else
            {
                parentid = folders[0].FolderId;
                List<PermissionString> permissionstrings = new List<PermissionString>();
                permissionstrings.Add(new PermissionString { PermissionName = "Browse", Permissions = Constants.AdminRole });
                permissionstrings.Add(new PermissionString { PermissionName = "View", Permissions = Constants.AdminRole });
                permissionstrings.Add(new PermissionString { PermissionName = "Edit", Permissions = Constants.AdminRole });
                permissions = UserSecurity.SetPermissionStrings(permissionstrings);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Folder {FolderId} {Error}", folderid, ex.Message);
            AddModuleMessage("Error Loading Folder", MessageType.Error);
        }
    }

    private async Task SaveFolder()
    {
        try
        {
            if (name != "" && parentid != -1)
            {
                Folder folder;
                if (folderid != -1)
                {
                    folder = await FolderService.GetFolderAsync(folderid);
                }
                else
                {
                    folder = new Folder();
                }

                folder.SiteId = PageState.Site.SiteId;
                if (parentid == -1)
                {
                    folder.ParentId = null;
                }
                else
                {
                    folder.ParentId = parentid;
                }
                folder.Name = name;
                folder.IsSystem = issystem;
                folder.Permissions = permissiongrid.GetPermissions();

                if (folderid != -1)
                {
                    folder = await FolderService.UpdateFolderAsync(folder);
                }
                else
                {
                    folder = await FolderService.AddFolderAsync(folder);
                }
                await FolderService.UpdateFolderOrderAsync(folder.SiteId, folder.FolderId, folder.ParentId);
                await logger.LogInformation("Folder Saved {Folder}", folder);
                NavigationManager.NavigateTo(NavigateUrl(Reload.Site));
            }
            else
            {
                AddModuleMessage("Folders Must Have A Parent And A Name", MessageType.Warning);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Saving Folder {FolderId} {Error}", folderid, ex.Message);
            AddModuleMessage("Error Saving Module", MessageType.Error);
        }
    }

    private async Task DeleteFolder()
    {
        try
        {
            await FolderService.DeleteFolderAsync(folderid);
            await logger.LogInformation("Folder Deleted {Folder}", folderid);
            AddModuleMessage("Folder Deleted", MessageType.Success);
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Deleting Folder {Folder} {Error}", folderid, ex.Message);
            AddModuleMessage("Error Deleting Folder", MessageType.Error);
        }
    }
}