using FrontendWebApi.Models;
using Microsoft.AspNetCore.Mvc;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using System.Collections.Generic;
using System.Threading.Tasks;
using System;
using System.IO;
using static FrontendWebApi.Models.Bill;
using Microsoft.Extensions.Logging;
using System.Text.Json;
using Newtonsoft.Json.Linq;


// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860

namespace FrontendWebApi.ApiControllers
{
    //[Route("api/[controller]")]
    //[ApiController]
    public class TenantBillController
    //public class TenantBillController : MyBaseApiController<TenantBillController>
    {
        private readonly IBackendRepository backendRepository;


        const string TenantListtable = "archive_electric_meter_tenant_list";
        const string TenantBilltable = "archive_electric_meter_tenant_bill";


        public TenantBillController(IBackendRepository backendRepository, IFrontendRepository frontendRepository)
        {
            this.backendRepository = backendRepository;

        }

        [HttpPost]
        public async Task<ApiResult<List<TenantList>>> GetTenantList()
        {
            ApiResult<List<TenantList>> apiResult = new ApiResult<List<TenantList>>();
            List<TenantList> tenantList = new List<TenantList>();
            try
            {
                var sqlString = $"SELECT tenant_guid,list_id,tenant_name,bill_perKWH,bill_perRCV " +
                    $"from {TenantListtable} order by created_at";

                tenantList = await backendRepository.GetAllAsync<TenantList>(sqlString);


                apiResult.Code = "0000";
                apiResult.Data = tenantList;
            }
            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>> AddOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var tenant_guid = Guid.NewGuid();
                var tenant_name = tl.tenant_name;
                var bill_perKWH = tl.bill_perKWH;
                var bill_perRCV = tl.bill_perRCV;
                var created_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

                var sqlString = $"INSERT INTO {TenantListtable} (tenant_guid,list_id,tenant_name, bill_perKWH, bill_perRCV, created_by,created_at) " +
                             $"VALUES ('{tenant_guid}',{tl.list_id},'{tenant_name}', {bill_perKWH}, {bill_perRCV},'{tl.created_by}', '{created_at}')";


                await backendRepository.ExecuteSql(sqlString);
                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。" + exception.Message;
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> UpdateOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var updated_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                var sqlString = $"UPDATE {TenantListtable} SET " +
                             $"`tenant_name` = '{tl.tenant_name}', " +
                             $"`bill_perKWH` = {tl.bill_perKWH}, " +
                             $"`bill_perRCV` = {tl.bill_perRCV}, " +
                             $"`updated_by` = '{tl.updated_by}', " +
                             $"`updated_at` = '{updated_at}' " +
                             $"WHERE `tenant_guid` = '{tl.tenant_guid}'";


                await backendRepository.ExecuteSql(sqlString);
                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。";
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> DelOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var sqlString = $"delete from {TenantListtable} WHERE tenant_guid = '{tl.tenant_guid}' ";

                await backendRepository.ExecuteSql(sqlString);
                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;
        }

        public class MyJsonData
        {
            public string Name { get; set; }
            public int Age { get; set; }
        }

        [HttpPost]
        public async Task<ApiResult<List<TenantBill>>> GetTenantBill([FromBody] TenantBill tb)
        {
            ApiResult<List<TenantBill>> apiResult = new ApiResult<List<TenantBill>>();
            List<TenantBill> tenantBill = new List<TenantBill>();
            try
            {
                string tableType = tb.tableType;
                string building_tag = tb.building_tag;
                string ElecOrWater = tableType == "elec" ? "E4" : "W1";
                string sqlString = null;
                if (building_tag == "ALL")
                {
                    sqlString =
                  $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name " +
                  $"from {TenantBilltable} a join device b on a.device_number =b.device_number" +
                  $"where a.device_name_tag = '{ElecOrWater}' ";
                }
                else if (building_tag == "D2")
                {
                    sqlString =
                   $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name " +
                   $"from {TenantBilltable} a join device b on a.device_number =b.device_number " +
                   $"where device_building_tag = 'D1' and a.device_name_tag = '{ElecOrWater}' || device_building_tag = 'D2' and a.device_name_tag = '{ElecOrWater}'";
                }
                else
                {
                    sqlString =
                   $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name " +
                   $"from {TenantBilltable} a join device b on a.device_number =b.device_number " +
                   $"where device_building_tag = '{building_tag}' and a.device_name_tag = '{ElecOrWater}' ";
                }

                
                tenantBill = await backendRepository.GetAllAsync<TenantBill>(sqlString);


                apiResult.Code = "0000";
                apiResult.Data = tenantBill;
            }
            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>> UpdateTenantBill([FromBody] TenantBill tb)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                string bill_per = tb.tableType == "elec" ? "bill_perKWH" : "bill_perRCV";
                var updated_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                var start_timestamp = tb.start_timestamp;
                var end_timestamp = tb.end_timestamp;
                string sqlString = null;

                string startMonth = tb.start_timestamp.Split("-")[0] + tb.start_timestamp.Split("-")[1];
                string endMonth = tb.end_timestamp.Split("-")[0] + tb.end_timestamp.Split("-")[1];
                if (startMonth == endMonth)
                {
                    sqlString =
                        $"UPDATE  {TenantBilltable}  " +
                        $"set bill_id = {tb.bill_id}  ,tenant_name = '{tb.tenant_name}', start_timestamp = '{start_timestamp}',end_timestamp = '{end_timestamp}' , " +
                        $"result= " +
                        $"(select sum(sub_result) " +
                        $"from archive_electric_water_meter_day_{startMonth} " +
                        $"WHERE  device_number = '{tb.device_number}' and start_timestamp BETWEEN  '{start_timestamp}' and '{end_timestamp}' " +
                        $"GROUP BY device_number) ,  " +
                        $"bill = " +
                        $"ROUND(result *(SELECT {bill_per} from {TenantListtable} WHERE tenant_guid = '{tb.tenant_guid}') ), " +
                        $"updated_by = '{tb.updated_by}', " +
                        $"updated_at = '{updated_at}', " +
                        $"tenant_guid = '{tb.tenant_guid}' " +
                        $"WHERE device_number = '{tb.device_number}'";
                }
                else
                {
                    sqlString =
                        $"UPDATE  {TenantBilltable}  " +
                        $"set bill_id = {tb.bill_id}  ,tenant_name = '{tb.tenant_name}', start_timestamp = '{start_timestamp}',end_timestamp = '{end_timestamp}' , " +
                        $"result= " +
                        $"(SELECT sum(sub_result) " +
                        $"FROM ( " +
                        $"    SELECT start_timestamp,device_number, sub_result " +
                        $"    FROM archive_electric_water_meter_day_{startMonth} " +
                        $"    WHERE device_number = '{tb.device_number}' " +
                        $"    UNION ALL " +
                        $"    SELECT start_timestamp,device_number, sub_result " +
                        $"    FROM archive_electric_water_meter_day_{endMonth} " +
                        $"    WHERE device_number = '{tb.device_number}' " +
                        $")  combined_result " +
                        $"WHERE start_timestamp BETWEEN  '{start_timestamp}' and '{end_timestamp}' " +
                        $"GROUP BY device_number) ," +
                        $"bill = " +
                        $"ROUND(result *(SELECT {bill_per} from {TenantListtable} WHERE tenant_guid = '{tb.tenant_guid}') ), " +
                        $"updated_by = '{tb.updated_by}', " +
                        $"updated_at = '{updated_at}', " +
                        $"tenant_guid = '{tb.tenant_guid}' " +
                        $"WHERE device_number = '{tb.device_number}'";

                }


                await backendRepository.ExecuteSql(sqlString);


                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。";
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<List<OutputBill>>> OutputTenantBill()
        {
            ApiResult<List<OutputBill>> apiResult = new ApiResult<List<OutputBill>>();
            List<OutputBill> outputBill = new List<OutputBill>();

            try
            {
                string sqlString =
                    $"SELECT distinct a.tenant_guid,b.tenant_name,start_timestamp,end_timestamp,bill_perKWH,bill_perRCV,sum(result) as name_result,sum(bill) as name_bill " +
                    $"from archive_electric_meter_tenant_bill a join archive_electric_meter_tenant_list b on a.tenant_guid = b.tenant_guid " +
                    $"WHERE a.tenant_guid = '37639e92-20ce-4064-956b-b6b0eaa7d7d2'  " +
                    $"group by a.device_name_tag";

                outputBill = await backendRepository.GetAllAsync<OutputBill>(sqlString);

                apiResult.Code = "0000";
                apiResult.Data = outputBill;
            }
            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;
        }
    }
}