using Disco.Models.Exporting;
using Disco.Services.Authorization;
using Disco.Services.Logging;
using Disco.Services.Tasks;
using Disco.Services.Web;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;

namespace Disco.Web.Areas.API.Controllers
{
    public partial class LoggingController : AuthorizedDatabaseController
    {
        [DiscoAuthorize(Claims.Config.Logging.Show)]
        public virtual ActionResult Modules()
        {
            var m = LogContext.LogModules.Values.Select(lm => Models.Logs.LogModuleModel.FromLogModule(lm)).ToList();

            return Json(m, JsonRequestBehavior.AllowGet);
        }

        [HttpPost, ValidateAntiForgeryToken, DiscoAuthorize(Claims.Config.Logging.Show)]
        public virtual ActionResult RetrieveEvents(string Format, DateTime? Start = null, DateTime? End = null, int? ModuleId = null, List<int> EventTypeIds = null, int? Take = null)
        {
             var logRetriever = new ReadLogContext()
            {
                Start = Start,
                End = End,
                Module = ModuleId,
                EventTypes = EventTypeIds,
                Take = Take
            };
            var results = logRetriever.Query(Database);

            var exportFormat = ExportFormat.Xlsx;

            switch (Format.ToLower())
            {
                case "json":
                        return Json(results, JsonRequestBehavior.AllowGet);
                case "csv":
                    exportFormat = ExportFormat.Csv;
                    break;
            }

            var export = LogExport.GenerateExport(exportFormat, results);

            return File(export.Result, export.MimeType, export.Filename);
        }

        public virtual ActionResult ScheduledTaskStatus(string id)
        {
            if (string.IsNullOrEmpty(id))
                throw new ArgumentNullException("id");

            var status = ScheduledTasks.GetTaskStatus(id);

            if (status == null)
                throw new ArgumentException("Invalid ScheduledTask SessionId", "id");

            return Json(ScheduledTaskStatusLive.FromScheduledTaskStatus(status, null), JsonRequestBehavior.AllowGet);
        }
    }
}