//
// HostGrapPageConfiguration.cs
//
// Author:
//       Carsten Sonne Larsen <cs@innolan.dk>
//
// Copyright (c) 2013 Carsten Sonne Larsen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Ntp.Analyzer.Export;
using Ntp.Config;
using System.Collections.Generic;
using System.Linq;
using Ntp.Analyzer.Config.Graph;
using Ntp.Analyzer.Objects;

namespace Ntp.Analyzer.Config.Page
{
    public sealed class HostGraphPageConfiguration : GraphPageConfiguration
    {
        public HostGraphPageConfiguration (
            ServerConfiguration server,
            string configName,
            int frequency,
            bool initialRun,
            string theme,
            string title,
            HostPageConfiguration page,
            int linkIndex,
            IEnumerable<StreamDestination> destinations,
            string link)
            : base(server, configName, frequency, initialRun, theme, title, linkIndex, destinations, link)
        {
            this.page = page;
            page.AttachGraphPages (this);
        }

        private readonly HostPageConfiguration page;

        public override IEnumerable<GraphSetConfiguration> GraphSets {
            get { return page.Graphs; }
        }

        public string GetFileName (GraphSetConfiguration graphSet, GraphBaseConfiguration graph)
        {
            return graph.GetAltName (graphSet, null).
                Replace (".png", String.Empty).
                Replace ('.', '-')
                + ".html";
        }

        public string GetLink (GraphSetConfiguration graphSet, GraphBaseConfiguration graph)
        {
            return WebPath + Link + 
                graph.GetAltName (graphSet, null).
                Replace (".png", String.Empty).
                Replace ('.', '-')
                + ".html";
        }

        public static HostGraphPageConfiguration Create (
            ServerConfiguration server,
            ConfigurationBlock config,
            IEnumerable<HostPageConfiguration> hostPages)
        {
            Dictionary<String, String> options = GetOptions (new String[] {
                "HostGraphPage",
                "Frequency",
                "InitialRun",
                "GraphPage",
                "Template",
                "PageTitle",
                "LinkIndex",
                "Link"
            }, config.Lines);

            // Find peer page
            string hostPagesName = options ["GraphPage"];
            HostPageConfiguration hostPage = hostPages.SingleOrDefault (pp => pp.ConfigName == hostPagesName);

            if (hostPage == null) {
                // TODO: Implement logging
                ;
            }

            // Find destination options
            List<DirectoryStreamDestination> directories = new List<DirectoryStreamDestination> ();
            String[] destinationLines = FindSingleBlock ("Destinations", config.Lines).Lines;
            string prefix = GetOptions (new String[] { "Prefix" }, destinationLines) ["Prefix"];

            foreach (string destination in GetMultiOption ("Directory", destinationLines))
                directories.Add (new DirectoryStreamDestination (server.FilePath, destination, prefix));

            return new HostGraphPageConfiguration (
                server,
                GetOptionConfigName (options, "HostGraphPage"),
                GetOptionInteger (options, "Frequency"),
                GetOptionBoolean (options, "InitialRun"),
                GetOptionString (options, "Template", "default"),
                GetOptionString (options, "PageTitle", String.Empty),
                hostPage,
                GetOptionInteger (options, "LinkIndex"),
                directories,
                GetOptionString (options, "Link", "CONFIG ERROR: LINK")
            );
        }
    }
}