using System.Collections.Generic;
using System.ComponentModel;
using Umbraco.Cms.Core.Models.ContentEditing;

namespace Umbraco.Cms.Core.Configuration.Models
{
    [UmbracoOptions(Constants.Configuration.ConfigRichTextEditor)]
    public class RichTextEditorSettings
    {
        internal const string StaticValidElements = "+a[id|style|rel|data-id|data-udi|rev|charset|hreflang|dir|lang|tabindex|accesskey|type|name|href|target|title|class|onfocus|onblur|onclick|ondblclick|onmousedown|onmouseup|onmouseover|onmousemove|onmouseout|onkeypress|onkeydown|onkeyup],-strong/-b[class|style],-em/-i[class|style],-strike[class|style],-u[class|style],#p[id|style|dir|class|align],-ol[class|reversed|start|style|type],-ul[class|style],-li[class|style],br[class],img[id|dir|lang|longdesc|usemap|style|class|src|onmouseover|onmouseout|border|alt=|title|hspace|vspace|width|height|align|umbracoorgwidth|umbracoorgheight|onresize|onresizestart|onresizeend|rel|data-id],-sub[style|class],-sup[style|class],-blockquote[dir|style|class],-table[border=0|cellspacing|cellpadding|width|height|class|align|summary|style|dir|id|lang|bgcolor|background|bordercolor],-tr[id|lang|dir|class|rowspan|width|height|align|valign|style|bgcolor|background|bordercolor],tbody[id|class],thead[id|class],tfoot[id|class],#td[id|lang|dir|class|colspan|rowspan|width|height|align|valign|style|bgcolor|background|bordercolor|scope],-th[id|lang|dir|class|colspan|rowspan|width|height|align|valign|style|scope],caption[id|lang|dir|class|style],-div[id|dir|class|align|style],-span[class|align|style],-pre[class|align|style],address[class|align|style],-h1[id|dir|class|align|style],-h2[id|dir|class|align|style],-h3[id|dir|class|align|style],-h4[id|dir|class|align|style],-h5[id|dir|class|align|style],-h6[id|style|dir|class|align|style],hr[class|style],small[class|style],dd[id|class|title|style|dir|lang],dl[id|class|title|style|dir|lang],dt[id|class|title|style|dir|lang],object[class|id|width|height|codebase|*],param[name|value|_value|class],embed[type|width|height|src|class|*],map[name|class],area[shape|coords|href|alt|target|class],bdo[class],button[class],iframe[*]";
        internal const string StaticInvalidElements = "font";

        private static readonly string[] s_default_plugins = new[]
        {
            "paste",
            "anchor",
            "charmap",
            "table",
            "lists",
            "advlist",
            "hr",
            "autolink",
            "directionality",
            "tabfocus",
            "searchreplace"
        };
        private static readonly RichTextEditorCommand[] s_default_commands = new []
        {
            new RichTextEditorCommand(){Alias = "ace" , Name = "Source code editor" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "removeformat" , Name = "Remove format" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "undo" , Name = "Undo" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "redo" , Name = "Redo" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "cut" , Name = "Cut" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "copy" , Name = "Copy" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "paste" , Name = "Paste" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "styleselect" , Name = "Style select" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "bold" , Name = "Bold" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "italic" , Name = "Italic" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "underline" , Name = "Underline" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "strikethrough" , Name = "Strikethrough" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "alignleft" , Name = "Justify left" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "aligncenter" , Name = "Justify center" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "alignright" , Name = "Justify right" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "alignjustify" , Name = "Justify full" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "bullist" , Name = "Bullet list" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "numlist" , Name = "Numbered list" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "outdent" , Name = "Decrease indent" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "indent" , Name = "Increase indent" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "link" , Name = "Insert/edit link" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "unlink" , Name = "Remove link" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "anchor" , Name = "Anchor" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "umbmediapicker" , Name = "Image" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "umbmacro" , Name = "Macro" , Mode = RichTextEditorCommandMode.All},
            new RichTextEditorCommand(){Alias = "table" , Name = "Table" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "umbembeddialog" , Name = "Embed" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "hr" , Name = "Horizontal rule" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "subscript" , Name = "Subscript" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "superscript" , Name = "Superscript" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "charmap" , Name = "Character map" , Mode = RichTextEditorCommandMode.Insert},
            new RichTextEditorCommand(){Alias = "rtl" , Name = "Right to left" , Mode = RichTextEditorCommandMode.Selection},
            new RichTextEditorCommand(){Alias = "ltr" , Name = "Left to right" , Mode = RichTextEditorCommandMode.Selection},
        };

        private static readonly IDictionary<string, string> s_default_custom_config = new Dictionary<string, string>()
        {
            ["entity_encoding"] = "raw"
        };

        /// <summary>
        /// HTML RichText Editor TinyMCE Commands
        /// </summary>
        /// WB-TODO Custom Array of objects
        public RichTextEditorCommand[] Commands { get; set; } = s_default_commands;

        /// <summary>
        /// HTML RichText Editor TinyMCE Plugins
        /// </summary>
        public string[] Plugins { get; set; } = s_default_plugins;

        /// <summary>
        /// HTML RichText Editor TinyMCE Custom Config
        /// </summary>
        /// WB-TODO Custom Dictionary
        public IDictionary<string, string> CustomConfig { get; set; } = s_default_custom_config;

        /// <summary>
        ///
        /// </summary>
        [DefaultValue(StaticValidElements)]
        public string ValidElements { get; set; } = StaticValidElements;

        /// <summary>
        /// Invalid HTML elements for RichText Editor
        /// </summary>
        [DefaultValue(StaticInvalidElements)]
        public string InvalidElements { get; set; } = StaticInvalidElements;

        public class RichTextEditorCommand
        {
            public string Alias { get; set; }
            public string Name { get; set; }
            public RichTextEditorCommandMode Mode { get; set; }
        }
    }
}