using AccountsDAL.DTO.Budget;
using AccountsDAL.DTO.BudgetData;
using AccountsDAL.Query.Budget;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using static GB5Shared.GB5Constant.Constant;

namespace AccountsDAL.CustomCode.Budget
{
    public class BudgetDAL : IBudgetDAL
    {
        private readonly IQueryExecutor _QueryExecutor;

        public BudgetDAL(IQueryExecutor queryExecutor)
        {
            _QueryExecutor = queryExecutor;
        }

        public async Task<string> GetSelectListBudget(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                string SQL = string.Empty;

                switch (LoginDTO.DatabaseType)
                {
                    case DBType.SQL:
                        SQL = BudgetQB.GET_SELECTLIST_BUDGET_SQL;
                        break;

                    case DBType.PostGre:
                        SQL = BudgetQB.GET_SELECTLIST_BUDGET_PG;
                        break;

                    case DBType.Oracle:
                        SQL = BudgetQB.GET_SELECTLIST_BUDGET_ORACLE;
                        break;

                    case DBType.MySQL:
                        SQL = BudgetQB.GET_SELECTLIST_BUDGET_MYSQL;
                        break;

                    default:
                        throw new Exception("Unsupported database type");
                }

                var Parameters = new
                {
                    firstnumber = FirstNumber,
                    maxresult = MaxResult
                };

                var Result = await _QueryExecutor.QueryAsync<BudgetPicklistDTO>(LoginDTO, SQL, Parameters);

                string Json = JsonConvert.SerializeObject(Result);
                return Json;
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task SaveBudget(BudgetDTO dto, LoginDTO loginDTO, DbTransaction tx, CancellationToken ct)
        {
            string sql = loginDTO.DatabaseType switch
            {
                DBType.SQL => BudgetQB.SAVE_BUDGET_SQL,
                DBType.PostGre => BudgetQB.SAVE_BUDGET_PG,
                _ => throw new Exception("Unsupported database type")
            };

            await _QueryExecutor.ExecuteAsync(loginDTO, sql, dto, tx, ct).ConfigureAwait(false);
        }

        public async Task SaveBudgetData(BudgetDataDTO dto, LoginDTO loginDTO, DbTransaction tx, CancellationToken ct)
        {
            string sql = loginDTO.DatabaseType switch
            {
                DBType.SQL => BudgetQB.SAVE_BUDGETDATA_SQL,
                DBType.PostGre => BudgetQB.SAVE_BUDGETDATA_PG,
                _ => throw new Exception("Unsupported database type")
            };

            await _QueryExecutor.ExecuteAsync(loginDTO, sql, dto, tx, ct).ConfigureAwait(false);
        }

        public async Task SaveBudgetDataDetail(BudgetDataDetailDTO dto, LoginDTO loginDTO, DbTransaction tx, CancellationToken ct)
        {
            string sql = loginDTO.DatabaseType switch
            {
                DBType.SQL => BudgetQB.SAVE_BUDGETDATADETAIL_SQL,
                DBType.PostGre => BudgetQB.SAVE_BUDGETDATADETAIL_PG,
                _ => throw new Exception("Unsupported database type")
            };

            await _QueryExecutor.ExecuteAsync(loginDTO, sql, dto, tx, ct).ConfigureAwait(false);
        }
    }
}