using BotSharp.Core;
using BotSharp.Core.Agents;
using BotSharp.Core.Engines;
using BotSharp.Platform.Abstraction;
using BotSharp.Platform.Models;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using Platform.Articulate;
using Platform.Articulate.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace Platform.Articulate.Controllers
{
#if ARTICULATE
    [Route("[controller]")]
    public class AgentController : ControllerBase
    {
        private readonly IBotPlatform _platform;

        /// <summary>
        /// Initialize agent controller and get a platform instance
        /// </summary>
        /// <param name="platform"></param>
        public AgentController(IBotPlatform platform)
        {
            _platform = platform;
        }

        [HttpPost]
        public AgentModel PostAgent()
        {
            AgentModel agent = null;

            using (var reader = new StreamReader(Request.Body))
            {
                string body = reader.ReadToEnd();
                agent = JsonConvert.DeserializeObject<AgentModel>(body);
            }

            // convert to standard Agent structure
            var builder = new ArticulateAi<AgentStorageInMemory<DomainModel, EntityModel>, AgentModel, DomainModel, EntityModel>();
            var standardAgent = builder.StandardizeAgent(agent);
            builder.SaveAgent(standardAgent);

            agent.Id = standardAgent.Id;

            return agent;
        }

        [HttpGet]
        public List<AgentModel> GetAgent()
        {
            /*var agents = new List<AgentModel>();

            string dataDir = Path.Combine(AppDomain.CurrentDomain.GetData("DataPath").ToString(), "Articulate");

            var agentPaths = Directory.GetFiles(dataDir).Where(x => Regex.IsMatch(x, @"agent-\d+.json")).ToList();
            for (int i = 0; i< agentPaths.Count; i++)
            {
                string json = System.IO.File.ReadAllText(agentPaths[i]);

                var agent = JsonConvert.DeserializeObject<AgentModel>(json);

                agents.Add(agent);
            }*/

            var builder = new ArticulateAi<AgentStorageInMemory<DomainModel, EntityModel>, AgentModel, DomainModel, EntityModel>();

            var results = builder.GetAllAgents();
            var agents = results.Select(x => builder.RecoverAgent(x)).ToList();

            return agents;
        }

        [HttpGet("{agentId}")]
        public AgentModel GetAgentById([FromRoute] string agentId)
        {
            var builder = new ArticulateAi<AgentStorageInMemory<DomainModel, EntityModel>, AgentModel, DomainModel, EntityModel>();
            var standardAgent = builder.GetAgentById(agentId);
            var agent = builder.RecoverAgent(standardAgent);

            return agent;
        }

        [HttpGet("name/{agentName}")]
        public AgentModel GetAgentByName([FromRoute] string agentName)
        {
            AgentModel agent = null;

            string dataDir = Path.Combine(AppDomain.CurrentDomain.GetData("DataPath").ToString(), "Articulate");

            var agentPaths = Directory.GetFiles(dataDir).Where(x => Regex.IsMatch(x, @"agent-\d+\.json")).ToList();

            for (int i = 0; i < agentPaths.Count; i++)
            {
                string json = System.IO.File.ReadAllText(agentPaths[i]);

                var agentTmp = JsonConvert.DeserializeObject<AgentModel>(json);

                if(agentTmp.AgentName == agentName)
                {
                    agent = agentTmp;
                }
            }

            return agent;
        }
    }
#endif
}