using System;
using System.Collections.Generic;
using RestSharp;
using HabitSharp.Managers;
using HabitSharp.Serialization;

namespace HabitSharp
{
    public class HabiticaApi
    {
        const string BaseURL = "https://habitica.com/api/v3";

        private readonly RestClient Client;

        public readonly TagManager Tags;

        public readonly NotificationManager Notifications;

        public HabiticaApi(string UserID, string ApiKey) : this(Guid.Parse(UserID), Guid.Parse(ApiKey)) { }

        public HabiticaApi(Guid UserID, Guid ApiKey)
        {
            this.Client = new RestClient(BaseURL);
            this.Client.Authenticator = new HabiticaAuthenticator(UserID, ApiKey);

            // Override JSON serialization
            this.Client.AddHandler(
                () => NewtonsoftJsonSerializer.Default,
                "application/json",
                "text/json",
                "text/x-json",
                "text/javascript",
                "*+json"
            );

            this.Tags = new TagManager(this);
            this.Notifications = new NotificationManager(this);
        }

        public T Execute<T>(RestRequest request) where T : new() {
            var response = Client.Execute<T>(request);
            if (response.ErrorException != null) throw new ApplicationException(
                "An error occured while running a Habitica API request. See inner exception for more info",
                response.ErrorException);
            // TODO: Raise exception on error, error message, param errors or !Success
            return response.Data;
        }

        public Result<Dictionary<string, string>> GetModelPaths(string ModelName) {
            var req = new RestRequest("models/{model}/paths");
            req.AddUrlSegment("model", ModelName);
            return this.Execute<Result<Dictionary<string, string>>>(req);
        }

        public bool CheckStatus() {
            var result = this.Execute<Result<Dictionary<string, string>>>(new RestRequest("status"));
            return result.Success && result.Data.ContainsKey("status") && result.Data["status"] == "up";
        }
    }
}