using Microsoft.AspNetCore.Components;
using Oqtane.Shared;
using Oqtane.Models;
using System.Threading.Tasks;
using System.Linq;
using Oqtane.Services;
using System;

namespace Oqtane.Modules
{
    public class ModuleBase : ComponentBase, IModuleControl
    {
        private Logger _logger;

        protected Logger logger => _logger ?? (_logger = new Logger(this));
 
        [Inject]
        protected ILogService LoggingService { get; set; }

        [CascadingParameter]
        protected PageState PageState { get; set; }

        [CascadingParameter]
        protected Module ModuleState { get; set; }

        [CascadingParameter] 
        protected ModuleInstance ModuleInstance { get; set; }


        // optional interface properties
        public virtual SecurityAccessLevel SecurityAccessLevel { get { return SecurityAccessLevel.View; } set { } } // default security

        public virtual string Title { get { return ""; } }

        public virtual string Actions { get { return ""; } }

        public virtual bool UseAdminContainer { get { return true; } }

        // path method

        public string ModulePath()
        {
            return "Modules/" + GetType().Namespace + "/";
        }

        // url methods
        public string NavigateUrl()
        {
            return NavigateUrl(PageState.Page.Path);
        }

        public string NavigateUrl(Reload reload)
        {
            return NavigateUrl(PageState.Page.Path, reload);
        }

        public string NavigateUrl(string path)
        {
            return NavigateUrl(path, "", Reload.None);
        }

        public string NavigateUrl(string path, Reload reload)
        {
            return NavigateUrl(path, "", reload);
        }

        public string NavigateUrl(string path, string parameters)
        {
            return Utilities.NavigateUrl(PageState.Alias.Path, path, parameters, Reload.None);
        }

        public string NavigateUrl(string path, string parameters, Reload reload)
        {
            return Utilities.NavigateUrl(PageState.Alias.Path, path, parameters, reload);
        }

        public string EditUrl(string action)
        {
            return EditUrl(ModuleState.ModuleId, action);
        }

        public string EditUrl(string action, string parameters)
        {
            return EditUrl(ModuleState.ModuleId, action, parameters);
        }

        public string EditUrl(int moduleId, string action)
        {
            return EditUrl(moduleId, action, "");
        }

        public string EditUrl(int moduleId, string action, string parameters)
        {
            return EditUrl(PageState.Page.Path, moduleId, action, parameters);
        }

        public string EditUrl(string path, int moduleid, string action, string parameters)
        {
            return Utilities.EditUrl(PageState.Alias.Path, path, moduleid, action, parameters);
        }

        public string ContentUrl(int fileid)
        {
            string url = (PageState.Alias.Path == "") ? "/~" : PageState.Alias.Path;
            url += Constants.ContentUrl + fileid.ToString();
            return url;
        }

        // user feedback methods
        public void AddModuleMessage(string message, MessageType type)
        {
            ModuleInstance.AddModuleMessage(message, type);
        }

        public void ShowProgressIndicator()
        {
            ModuleInstance.ShowProgressIndicator();
        }

        public void HideProgressIndicator()
        {
            ModuleInstance.HideProgressIndicator();
        }

        // logging methods
        public async Task Log(Alias alias, LogLevel level, string function, Exception exception, string message, params object[] args)
        {
            int pageId = ModuleState.PageId;
            int moduleId = ModuleState.ModuleId;
            int? userId = null;
            if (PageState.User != null)
            {
                userId = PageState.User.UserId;
            }
            string category = GetType().AssemblyQualifiedName;
            string feature = Utilities.GetTypeNameLastSegment(category, 1);
            LogFunction logFunction;
            if (string.IsNullOrEmpty(function))
            {
                function = PageState.Action;
            }
            switch (function.ToLower())
            {
                case "add":
                    logFunction = LogFunction.Create;
                    break;
                case "edit":
                    logFunction = LogFunction.Update;
                    break;
                case "delete":
                    logFunction = LogFunction.Delete;
                    break;
                default:
                    logFunction = LogFunction.Read;
                    break;
            }
            if (feature == "Login")
            {
                logFunction = LogFunction.Security;
            }
            await LoggingService.Log(alias, pageId, moduleId, userId, category, feature, logFunction, level, exception, message, args);
        }

        public class Logger
        {
            private readonly ModuleBase _moduleBase;

            public Logger(ModuleBase moduleBase)
            {
                _moduleBase = moduleBase;
            }

            public async Task LogTrace(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Trace, "", null, message, args);
            }

            public async Task LogTrace(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Trace, "", exception, message, args);
            }

            public async Task LogDebug(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Debug, "", null, message, args);
            }

            public async Task LogDebug(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Debug, "", exception, message, args);
            }

            public async Task LogInformation(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Information, "", null, message, args);
            }

            public async Task LogInformation(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Information, "", exception, message, args);
            }

            public async Task LogWarning(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Warning, "", null, message, args);
            }

            public async Task LogWarning(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Warning, "", exception, message, args);
            }

            public async Task LogError(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Error, "", null, message, args);
            }

            public async Task LogError(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Error, "", exception, message, args);
            }

            public async Task LogCritical(string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Critical, "", null, message, args);
            }

            public async Task LogCritical(Exception exception, string message, params object[] args)
            {
                await _moduleBase.Log(null, LogLevel.Critical, "", exception, message, args);
            }
        }
    }
}