using System;
using System.Collections.Generic;
using System.Web.Http;
using VNCServerList.Models;
using VNCServerList.Services;

namespace VNCServerList.Web.Controllers
{
    [RoutePrefix("api/vncserver")]
    public class VNCServerController : ApiController
    {
        private readonly DatabaseService _databaseService;
        private readonly VNCService _vncService;

        public VNCServerController()
        {
            _databaseService = new DatabaseService();
            _vncService = new VNCService(_databaseService);
        }

        [HttpGet]
        [Route("list")]
        public IHttpActionResult GetServerList()
        {
            try
            {
                var servers = _databaseService.GetAllServers();
                return Ok(servers);
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpGet]
        [Route("get/{user}/{ip}")]
        public IHttpActionResult GetServer(string user, string ip)
        {
            try
            {
                var server = _databaseService.GetServerByUserAndIP(user, ip);
                if (server == null)
                {
                    return NotFound();
                }
                return Ok(server);
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpPost]
        [Route("add")]
        public IHttpActionResult AddServer([FromBody] VNCServer server)
        {
            try
            {
                if (server == null)
                {
                    return BadRequest("서버 정보가 없습니다.");
                }

                bool success = _databaseService.AddServer(server);
                if (success)
                {
                    return Ok(new { Message = "서버가 성공적으로 추가되었습니다." });
                }
                else
                {
                    return BadRequest("서버 추가에 실패했습니다.");
                }
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpPut]
        [Route("update")]
        public IHttpActionResult UpdateServer([FromBody] VNCServer server)
        {
            try
            {
                if (server == null)
                {
                    return BadRequest("서버 정보가 없습니다.");
                }

                bool success = _databaseService.UpdateServer(server);
                if (success)
                {
                    return Ok(new { Message = "서버가 성공적으로 업데이트되었습니다." });
                }
                else
                {
                    return NotFound();
                }
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpDelete]
        [Route("delete/{user}/{ip}")]
        public IHttpActionResult DeleteServer(string user, string ip)
        {
            try
            {
                bool success = _databaseService.DeleteServer(user, ip);
                if (success)
                {
                    return Ok(new { Message = "서버가 성공적으로 삭제되었습니다." });
                }
                else
                {
                    return NotFound();
                }
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpPost]
        [Route("connect/{user}/{ip}")]
        public IHttpActionResult ConnectToServer(string user, string ip)
        {
            try
            {
                bool success = _vncService.ConnectToServer(user, ip);
                if (success)
                {
                    return Ok(new { Message = "VNC 연결이 시작되었습니다." });
                }
                else
                {
                    return BadRequest("VNC 연결에 실패했습니다.");
                }
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }

        [HttpGet]
        [Route("vnc-status")]
        public IHttpActionResult GetVNCStatus()
        {
            try
            {
                bool isInstalled = _vncService.IsVNCViewerInstalled();
                string path = _vncService.GetVNCViewerPath();
                
                return Ok(new { 
                    IsInstalled = isInstalled, 
                    Path = path 
                });
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }
    }
}