using Disco.Data.Repository;
using Disco.Plugins.ServiceTracker.Models;
using Disco.Plugins.ServiceTracker.Services;
using Disco.Services.Plugins;
using Newtonsoft.Json;
using System;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.WebPages;

namespace Disco.Plugins.ServiceTracker.ConfigurationHandler
{
    public class ServiceTrackerConfigurationHandler : PluginConfigurationHandler
    {
        public override PluginConfigurationHandlerGetResponse Get(DiscoDataContext Database, Controller controller)
        {
            return Response<ConfigurationView>();
        }

        public override bool Post(DiscoDataContext Database, FormCollection form, Controller controller)
        {
            try
            {
                var dataPath = GetPluginDataDirectory(
                    controller.HttpContext.Application["Disco.Plugins.ServiceTracker"] as Plugin
                    ?? new ServiceTrackerPlugin());
                if (string.IsNullOrEmpty(dataPath))
                {
                    dataPath = System.IO.Path.Combine(
                        AppDomain.CurrentDomain.BaseDirectory, "App_Data", "Plugins", "Disco.Plugins.ServiceTracker");
                }

                var dataStore = new ServiceTrackerDataStore(dataPath);
                var config = dataStore.LoadConfig();

                // Update simple settings
                var refreshStr = form["refreshSeconds"];
                int refresh;
                if (int.TryParse(refreshStr, out refresh) && refresh >= 10)
                    config.DashboardRefreshSeconds = refresh;

                config.AutoCreateTicketsForNewJobs = form["autoCreate"] == "on" || form["autoCreate"] == "true";

                var defaultPriority = form["defaultPriority"];
                if (!string.IsNullOrEmpty(defaultPriority))
                    config.DefaultPriorityId = defaultPriority;

                var defaultLocation = form["defaultLocation"];
                if (!string.IsNullOrEmpty(defaultLocation))
                    config.DefaultLocationId = defaultLocation;

                // Parse priorities JSON if provided
                var prioritiesJson = form["prioritiesJson"];
                if (!string.IsNullOrEmpty(prioritiesJson))
                {
                    try
                    {
                        var priorities = JsonConvert.DeserializeObject<System.Collections.Generic.List<PriorityLevel>>(prioritiesJson);
                        if (priorities != null && priorities.Count > 0)
                            config.Priorities = priorities;
                    }
                    catch { /* keep existing */ }
                }

                // Parse locations JSON if provided
                var locationsJson = form["locationsJson"];
                if (!string.IsNullOrEmpty(locationsJson))
                {
                    try
                    {
                        var locations = JsonConvert.DeserializeObject<System.Collections.Generic.List<DeviceLocation>>(locationsJson);
                        if (locations != null && locations.Count > 0)
                            config.Locations = locations;
                    }
                    catch { /* keep existing */ }
                }

                // Parse status options
                var statusOptionsRaw = form["statusOptions"];
                if (!string.IsNullOrEmpty(statusOptionsRaw))
                {
                    config.StatusOptions = statusOptionsRaw.Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
                        .Select(s => s.Trim()).Where(s => s.Length > 0).ToList();
                }

                dataStore.SaveConfig(config);
                return true;
            }
            catch
            {
                return false;
            }
        }
    }

    public class ConfigurationView : WebViewPage
    {
        public override void Execute()
        {
            WriteLiteral(@"
<div style='padding: 15px;'>
    <h3>Service Tracker Plugin</h3>
    <p>Enhanced service/support tracking with priority management, location tracking, 
       tile dashboard, and SLA monitoring for Disco ICT jobs.</p>
    <hr />

    <h4>Features</h4>
    <ul>
        <li><strong>Priority Levels</strong> &mdash; Configurable priorities with SLA timeframes (Critical=4h, High=8h, Medium=24h, etc.)</li>
        <li><strong>Device Location Tracking</strong> &mdash; Track where each device currently is (IT Office, With User, At Repairer, etc.)</li>
        <li><strong>Tile Dashboard</strong> &mdash; Visual card-based overview of all open jobs, sorted by due date or priority</li>
        <li><strong>SLA Monitoring</strong> &mdash; Automatic breach detection with visual alerts</li>
        <li><strong>Activity Notes</strong> &mdash; Add timestamped notes and updates to each ticket</li>
        <li><strong>Tech Workload</strong> &mdash; See job distribution across technicians</li>
        <li><strong>CSV Export</strong> &mdash; Export all open tickets with metadata</li>
    </ul>

    <hr />
    <h4>Configuration</h4>
    <p>Priority levels, locations, SLA timeframes, and status options can be customised by editing 
       the <code>config.json</code> file in the plugin data directory, or by posting JSON data via the configuration form.</p>
    <p>Default configuration is created on install with 5 priority levels (Critical through Scheduled) and 
       6 location options.</p>

    <hr />
    <p>
        <a href='/Plugin/Disco.Plugins.ServiceTracker/Dashboard' class='btn btn-primary btn-lg'>
            <i class='fa fa-dashboard'></i> Open Service Tracker Dashboard
        </a>
    </p>
</div>");
        }
    }
}