using System;
using System.Text;
using System.Collections.Generic;
using System.IO;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Xml.Serialization;

namespace DemoApiExample
{

    /// <summary>
    /// A tutorial example of using System.Xml.Serialization to parse XML resource on the Doxpop Court Api.
    ///
    /// For more information on deserializing XML resources in C# see:
    /// https://msdn.microsoft.com/en-us/library/fa420a9y(v=vs.110).aspx
    /// </summary>
    public class XmlClient
    {
        private const string BaseUrl = "https://demo-api.doxpop.com";
        // The format is "username:password"
        private const string Credentials = "demo:demo";

        /// <summary>
        /// Makes an HTTP GET request to the api and returns the response body
        /// body.
        /// </summary>
        /// <returns>The HTTP response body</returns>
        private static string getPage(string uri)
        {
            var client = new HttpClient { BaseAddress = new Uri(BaseUrl) };
            var acceptHeader = new MediaTypeWithQualityHeaderValue("application/xml");
            client.DefaultRequestHeaders.Accept.Add(acceptHeader);
            var base64CredentialBytes = Encoding.UTF8.GetBytes(Credentials);
            var base64encodedCredentials = Convert.ToBase64String(base64CredentialBytes);
            client.DefaultRequestHeaders.Add("Authorization", "Basic " + base64encodedCredentials);
            return client.GetStringAsync(uri).Result;
        }

        /// <summary>
        /// Program entry point. Fetches and prints some data from the API.
        /// </summary>
        /// <param name="args"></param>
        public static void Main(string[] args)
        {
            var xmlString = getPage("/actors_cases.xml?fullname=rifkind,+david");
            var serializer = new XmlSerializer(typeof(ActorCaseList));
            var results = (ActorCaseList) serializer.Deserialize(new StringReader(xmlString));

            foreach (var result in results.list)
            {
                Console.WriteLine(result.assignedCaseRole);

                // Print some actor information
                var actor = result.actor;
                Console.WriteLine(actor.fullName);
                Console.WriteLine(actor.birthDate.Date.ToString("yyyy-MM-dd"));

                // Print some address information
                foreach (var address in actor.addresses)
                {
                    Console.WriteLine(address.line1);
                    Console.WriteLine(address.city);
                    Console.WriteLine(address.stateCode);
                    Console.WriteLine(address.postalCode);
                }

                // Print some case information
                var courtCase = result.courtCase;
                Console.WriteLine(courtCase.caption);
                Console.WriteLine(courtCase.globalDispositionCode);
                Console.WriteLine(courtCase.dispositionDate.Date.ToString("yyyy-MM-dd"));

                // Use the charges URI and print the descriptions
                Console.WriteLine(courtCase.chargesUri);
                var chargesXmlString = getPage(courtCase.chargesUri + ".xml");
                var chargeSerializer = new XmlSerializer(typeof(ChargeList));
                var charges = (ChargeList) chargeSerializer.Deserialize(new StringReader(chargesXmlString));
                foreach (var charge in charges.list)
                {
                    Console.WriteLine(charge.description);
                }
            }
        }

        [XmlRoot("response")]
        public class ActorCaseList
        {
            [XmlElement("actor_case")]
            public List<ActorCase> list;
        }

        /// <summary>
        /// Sample model of the search result information
        /// </summary>
        public class ActorCase
        {
            [XmlElement("case")]
            public CourtCase courtCase;

            [XmlElement("actor")]
            public Actor actor;

            [XmlElement("assigned_case_role")]
            public string assignedCaseRole;
        }

        /// <summary>
        /// Sample model of the court case information inside a search result
        /// </summary>
        public class CourtCase
        {
            [XmlElement("case_caption")]
            public string caption;

            [XmlElement("case_global_disposition_code")]
            public string globalDispositionCode;

            [XmlElement("case_disposition_date")]
            public DateTime dispositionDate;

            [XmlElement("charges_uri")]
            public string chargesUri;
        }

        /// <summary>
        /// Sample model of the actor information inside a search result
        /// </summary>
        public class Actor
        {
            [XmlElement("actor_full_name")]
            public string fullName;

            [XmlElement("actor_person_date_of_birth")]
            public DateTime birthDate;

            [XmlArray("addresses")]
            public List<Address> addresses;
        }

        /// <summary>
        /// Sample model of the address information for an actor
        /// </summary>
        [XmlType("address")]
        public class Address
        {
            [XmlElement("address_line1")]
            public string line1;

            [XmlElement("address_city")]
            public string city;

            [XmlElement("address_state_province_code")]
            public string stateCode;

            [XmlElement("address_postal_code")]
            public string postalCode;
        }

        /// <summary>
        /// Sample model of charge information
        /// </summary>
        [XmlRoot("response")]
        public class ChargeList
        {
            [XmlElement("charge")]
            public List<Charge> list;
        }

        /// <summary>
        /// Sample model of charge information
        /// </summary>
        public class Charge
        {
            [XmlElement("charge_desc")]
            public string description;
        }

    }
}