using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Repository.BackendRepository.Implement;
using System.Collections.Generic;
using System.Threading.Tasks;
using System;
using System.Linq;
using FrontendWebApi.Models;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using static Repository.Models.GraphManage;
using NPOI.SS.UserModel;
using Microsoft.Extensions.Hosting;
using System.IO;

namespace FrontendWebApi.ApiControllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class GraphManageController : MyBaseApiController<GraphManageController>
    {
        private readonly IBackendRepository backendRepository;
        private readonly IFrontendRepository frontendRepository;
        private string graph_manage_layer1 = "graph_manage_layer1";
        private string graph_manage_layer2 = "graph_manage_layer2";

        private string graphManageFileSaveAsPath = "";

        public GraphManageController(IBackendRepository backendRepository, IFrontendRepository frontendRepository)
        {
            this.backendRepository = backendRepository;
            this.frontendRepository = frontendRepository;
            graphManageFileSaveAsPath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "upload", "graph_manage");
        }

        [HttpPost]
        public async Task<ApiResult<List<Variable>>> MaiSysList()
        {
            ApiResult<List<Variable>> apiResult = new ApiResult<List<Variable>>();
            List<Variable> main_system_list = new List<Variable>();

            try
            {
                var sqlString = @$"SELECT *
                                    FROM variable 
                                    WHERE system_type = @graph_manage_layer1 AND deleted = 0
                                    ORDER BY system_priority, created_at desc";

                var param = new { @graph_manage_layer1 = graph_manage_layer1 };
                main_system_list = await backendRepository.GetAllAsync<Variable>(sqlString, param);

                apiResult.Code = "0000";
                apiResult.Data = main_system_list;
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<List<Variable>>> SubSysList(int main_system_id)
        {
            ApiResult<List<Variable>> apiResult = new ApiResult<List<Variable>>();
            List<Variable> sub_system_list = new List<Variable>();

            try
            {
                var sqlString = @$"SELECT v2.*
                                    FROM variable v2
                                    JOIN variable v1 ON v2.system_parent_id = v1.id AND v1.system_type = @graph_manage_layer1 AND v1.deleted = 0
                                    WHERE v2.system_type = @graph_manage_layer2 AND v2.deleted = 0 AND v1.id = @main_system_id
                                    ORDER BY v2.system_priority, v2.created_at desc";

                var param = new { @graph_manage_layer1 = graph_manage_layer1, @graph_manage_layer2 = graph_manage_layer2 };
                sub_system_list = await backendRepository.GetAllAsync<Variable>(sqlString, param);

                apiResult.Code = "0000";
                apiResult.Data = sub_system_list;
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;

        }
        [HttpPost]
        public async Task<ApiResult<List<GraphList>>> GraManList(GraphInfo gi)
        {
            ApiResult<List<GraphList>> apiResult = new ApiResult<List<GraphList>>();
            List<GraphList> graManList = new List<GraphList>();

            try
            {
                var sqlString = @$"SELECT *
                                    FROM graph_manage gm
                                    JOIN variable v2 ON gm.sub_system_id = v2.id AND v2.system_type = @graph_manage_layer2 AND v2.deleted = 0
                                    WHERE v2.id in @sub_system_id AND gm.deleted = 0
                                    ORDER BY gm.priority, gm.created_at desc";


                var param = new { @graph_manage_layer1 = graph_manage_layer1, graph_manage_layer2 = graph_manage_layer2, @sub_system_id = gi.sub_system_id };

                graManList = await backendRepository.GetAllAsync<GraphList>(sqlString, param);
                
                if (gi.keyWord != null)
                {
                    var wParam = new { @graph_manage_layer1 = graph_manage_layer1, graph_manage_layer2 = graph_manage_layer2, @sub_system_id = gi.sub_system_id, @keyWord = gi.keyWord };
                    graManList = await backendRepository.GetAllAsync<GraphList>(@$"SELECT *
                                    FROM graph_manage gm
                                    JOIN variable v2 ON gm.sub_system_id = v2.id AND v2.system_type = @graph_manage_layer2 AND v2.deleted = 0
                                    WHERE v2.id in @sub_system_id AND gm.deleted = 0
                                            AND (code like '%@keyWord%' OR name like '%@keyWord%' OR oriOrgName like '%@keyWord%' OR donOrgName like '%@keyWord%')
                                    ORDER BY gm.priority, gm.created_at desc", wParam);
                }

                apiResult.Code = "0000";
                apiResult.Data = graManList;
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> DelOneGraMan(GraphInfo gi)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var sqlString = @$"UPDATE graph_manage SET deleted = 0 WHERE code = @code AND sub_system_id = @sub_system_id";

                var param = new { @code = gi.code, @sub_system_id = gi.sub_system_id };

                await backendRepository.ExecuteSql(sqlString, param);
                apiResult.Code = "0000";
                apiResult.Data = "刪除成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> EdtOneGraMan([FromForm] GraphInsInfo gii)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var sWhere = @$"deleted = 0 AND code = @code AND sub_system_id = @sub_system_id";
                var gm = await backendRepository.GetOneAsync<GraphInsInfo>("graph_manage", sWhere, new { @code = gii.code, @sub_system_id = gii.sub_system_id});
                
                if (gm == null)
                {
                    apiResult.Code = "0001";
                    apiResult.Data = "無法找到圖資";
                    return apiResult;
                }

                Dictionary<string, object> graph_manage = new Dictionary<string, object>();

                //edit file
                if (gii.oriOrgName != null || gii.donOrgName != null)
                {
                    if (!System.IO.Directory.Exists(graphManageFileSaveAsPath))
                        System.IO.Directory.CreateDirectory(graphManageFileSaveAsPath);

                    if (gm.oriSavName != null && gii.oriOrgName != null)
                    {
                        var new_guid = Guid.NewGuid();

                        //刪除原本檔案
                        FolderFunction folderFunction = new FolderFunction();
                        folderFunction.DeleteFile(Path.Combine(graphManageFileSaveAsPath, gm.oriSavName));

                        var fileName = new_guid + "." + gii.oriOrgName.Split('.')[1];

                        var fullPath = Path.Combine(graphManageFileSaveAsPath, fileName);

                        using (var stream = new FileStream(fullPath, FileMode.Create))
                        {
                            gii.oriFile.CopyTo(stream);
                        }

                        graph_manage.Add("@oriOrgName", gii.oriOrgName);
                        graph_manage.Add("@oriSavName", fileName);
                    }

                    if (gm.donSavName != null && gii.donOrgName != null)
                    {
                        var new_guid = Guid.NewGuid();

                        //刪除原本檔案
                        FolderFunction folderFunction = new FolderFunction();
                        folderFunction.DeleteFile(Path.Combine(graphManageFileSaveAsPath, gm.donSavName));

                        var fileName = new_guid + "." + gii.donOrgName.Split('.')[1];

                        var fullPath = Path.Combine(graphManageFileSaveAsPath, fileName);

                        using (var stream = new FileStream(fullPath, FileMode.Create))
                        {
                            gii.donFile.CopyTo(stream);
                        }

                        graph_manage.Add("@oriOrgName", gii.donOrgName);
                        graph_manage.Add("@oriSavName", fileName);
                    }
                }
                
                graph_manage.Add("@name", gii.name);
                //graph_manage.Add("@priority", gii.priority);

                await backendRepository.UpdateOneByCustomTable(graph_manage, "graph_manage", "code='" + gii.code + "'" + "sub_system_id ='" + gii.sub_system_id + "'");
                apiResult.Code = "0000";
                apiResult.Data = "修改成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                string json = System.Text.Json.JsonSerializer.Serialize(gii);
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + json);
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> SaveGraMan([FromForm] GraphInsInfo gii)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var sWhere = @$"deleted = 0 AND code = @code AND sub_system_id = @sub_system_id";
                var gm = await backendRepository.GetOneAsync<GraphInsInfo>("graph_manage", sWhere, new { @code = gii.code, @sub_system_id = gii.sub_system_id });

                if (gm != null)
                {
                    apiResult.Code = "0002";
                    apiResult.Data = "已有相同的編碼";
                    return apiResult;
                }

                Dictionary<string, object> graph_manage = new Dictionary<string, object>();

                //save file
                if (gii.oriOrgName != null || gii.donOrgName != null)
                {
                    if (!System.IO.Directory.Exists(graphManageFileSaveAsPath))
                        System.IO.Directory.CreateDirectory(graphManageFileSaveAsPath);

                    if (gii.oriOrgName != null)
                    {
                        var new_guid = Guid.NewGuid();

                        var fileName = new_guid + "." + gii.oriOrgName.Split('.')[1];

                        var fullPath = Path.Combine(graphManageFileSaveAsPath, fileName);

                        using (var stream = new FileStream(fullPath, FileMode.Create))
                        {
                            gii.oriFile.CopyTo(stream);
                        }

                        graph_manage.Add("@oriOrgName", gii.oriOrgName);
                        graph_manage.Add("@oriSavName", fileName);
                    }

                    if (gii.donOrgName != null)
                    {
                        var new_guid = Guid.NewGuid();
                        
                        var fileName = new_guid + "." + gii.donOrgName.Split('.')[1];

                        var fullPath = Path.Combine(graphManageFileSaveAsPath, fileName);

                        using (var stream = new FileStream(fullPath, FileMode.Create))
                        {
                            gii.donFile.CopyTo(stream);
                        }

                        graph_manage.Add("@oriOrgName", gii.donOrgName);
                        graph_manage.Add("@oriSavName", fileName);
                    }
                }

                var newPriority = await backendRepository.GetCurrentPriority("graph_manage");
                graph_manage.Add("@name", gii.name);
                graph_manage.Add("@deleted", 0);
                graph_manage.Add("@priority", newPriority + 1);

                await backendRepository.AddOneByCustomTable(graph_manage, "graph_manage");
                apiResult.Code = "0000";
                apiResult.Data = "新增成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                string json = System.Text.Json.JsonSerializer.Serialize(gii);
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + json);
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }
    }
}