using Dapper;
using SolarPower.Helper;
using SolarPower.Models;
using SolarPower.Models.Company;
using SolarPower.Models.Role;
using SolarPower.Models.User;
using SolarPower.Repository.Interface;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;

namespace SolarPower.Repository.Implement
{
    public class CompanyRepository : RepositoryBase<Company>, ICompanyRepository
    {
        public CompanyRepository(IDatabaseHelper databaseHelper) : base(databaseHelper)
        {
            tableName = "company";
        }


        /// <summary>
        /// 取得下拉式公司選單，須為Deleted: 0
        /// </summary>
        /// <param name="filter"></param>
        /// <returns></returns>
        public async Task<List<CompanySelectItemList>> GetCompanySelectOptionListAsync()
        {
            List<CompanySelectItemList> result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                try
                {
                    var sql = $"SELECT Id AS Value, Name AS Text FROM {tableName} WHERE Deleted = 0";

                    result = (await conn.QueryAsync<CompanySelectItemList>(sql)).ToList();
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                return result;
            }
        }

        /// <summary>
        /// 取得當前使用者所在的公司資訊
        /// </summary>
        /// <param name="account"></param>
        /// <returns></returns>
        public MyCompany GetMyCompanyInfoById(int id)
        {
            MyCompany result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    var sql = $"SELECT * FROM {tableName} WHERE Deleted = 0 AND Status = @Status AND Id = @Id";

                    result = conn.QueryFirstOrDefault<MyCompany>(sql, new { Status = CompanyStatusEnum.Normal, Id = id });
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }
                return result;
            }
        }

        /// <summary>
        /// 透過搜尋條件，查詢過濾後的公司
        /// </summary>
        /// <param name="filter"></param>
        /// <returns></returns>
        public async Task<List<CompanyDataTable>> GetAllByFilterAsync(PostCompanyFilter filter)
        {
            List<CompanyDataTable> result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                try
                {
                    var sql = $"SELECT * FROM {tableName} WHERE Deleted = 0";

                    if (filter.SelectedCompanyId > 0)
                    {
                        sql += @" AND Id = @SelectedCompanyId";
                    }
                    else
                    {
                        if (!string.IsNullOrEmpty(filter.Name))
                        {
                            sql += @" AND Name LIKE CONCAT('%', @Name, '%')";
                        }

                        if (!string.IsNullOrEmpty(filter.Phone))
                        {
                            sql += @" AND Phone LIKE CONCAT('%', @Phone, '%')";
                        }

                        if (!string.IsNullOrEmpty(filter.TaxIDNumber))
                        {
                            sql += @" AND TaxIDNumber LIKE CONCAT('%', @TaxIDNumber, '%')";
                        }
                    }

                    result = (await conn.QueryAsync<CompanyDataTable>(sql, filter)).ToList();
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                return result;
            }
        }

        /// <summary>
        /// 透過搜尋條件，查詢過濾後的公司
        /// </summary>
        /// <param name="filter"></param>
        /// <returns></returns>
        public async Task<int> GetNormalUserNumberByCompanyIdAsync(int id)
        {
            int result = 0;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                try
                {
                    var sql = $"SELECT COUNT(*) FROM user WHERE Deleted = 0 AND Status = @Status AND CompanyId = @CompanyId";

                    result = (await conn.QueryAsync<int>(sql, new { Status = CompanyStatusEnum.Normal, CompanyId = id })).FirstOrDefault();
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                return result;
            }
        }

        /// <summary>
        /// 取得單一公司資料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<Company> GetOneCompany(int id)
        {
            Company result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    var sql = $"SELECT * FROM {tableName} WHERE deleted = 0 AND id = @Id";

                    result = await conn.QueryFirstOrDefaultAsync<Company>(sql, new { Id = id });
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }
                return result;
            }
        }

        /// <summary>
        /// 修改公司資料
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        public async Task UpdateCompany(UpdateCompany entity, List<string> properties)
        {

            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                using (var trans = conn.BeginTransaction())
                {
                    try
                    {
                        var sql = GenerateUpdateQuery(properties);

                        await conn.ExecuteAsync(sql, entity, trans);

                        trans.Commit();
                    }
                    catch (Exception exception)
                    {
                        trans.Rollback();
                        throw exception;
                    }
                    finally
                    {
                        conn.Close();
                    }
                }
            }
        }

        /// <summary>
        /// 透過統編，取得單一公司基本資料
        /// </summary>
        /// <param name="taxIDNumber"></param>
        /// <returns></returns>
        public async Task<SimpleCompany> GetOneNormalSimpleCompanyByTaxIDNumber(string taxIDNumber)
        {
            SimpleCompany result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    var sql = $"SELECT * FROM {tableName} WHERE Deleted = 0 AND TaxIDNumber = @TaxIDNumber";

                    result = await conn.QueryFirstOrDefaultAsync<SimpleCompany>(sql, new { TaxIDNumber = taxIDNumber });
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }
                return result;
            }
        }

        /// <summary>
        /// 透過公司編號，取得該公司的註冊人數
        /// </summary>
        /// <param name="companyId"></param>
        /// <returns></returns>
        public async Task<int> GetRegisterNumberByCompanyId(int companyId)
        {
            int result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    var sql = $"SELECT COUNT(*) FROM user WHERE Deleted = 0 AND Status = @Status AND CompanyId = @CompanyId";

                    result = await conn.QueryFirstOrDefaultAsync<int>(sql, new { Status = UserStatusEnum.Normal, CompanyId = companyId });
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }
                return result;
            }
        }

        /// <summary>
        /// 透過公司編號，取得該公司的權限池
        /// </summary>
        /// <param name="companyId"></param>
        /// <returns></returns>
        public async Task<List<CompanyAuthDataTable>> GetCompanyAuthByCompanyId(int companyId)
        {
            List<CompanyAuthDataTable> result;
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    var sql = @$"SELECT
                                    ap.*,
                                    CASE WHEN cap_id.CompanyId IS NOT NULL THEN 1 ELSE 0 END AS CheckAuth
                                    FROM auth_page ap
                                    LEFT JOIN (SELECT * FROM company_auth_page WHERE CompanyId = @CompanyId) cap_id ON ap.AuthCode = cap_id.AuthCode
                                ";

                    result = (await conn.QueryAsync<CompanyAuthDataTable>(sql, new { CompanyId = companyId })).ToList();
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }
                return result;
            }
        }

        /// <summary>
        /// 實際刪除公司權限池
        /// </summary>
        /// <param name="companyAuths"></param>
        /// <returns></returns>
        public async Task PurgeCompanyAuth(List<CompanyAuth> companyAuths)
        {
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                using (var trans = conn.BeginTransaction())
                {
                    try
                    {
                        var sql = $"DELETE FROM company_auth_page WHERE CompanyId = @CompanyId AND AuthCode = @AuthCode";

                        await conn.ExecuteAsync(sql, companyAuths, trans);

                        trans.Commit();
                    }
                    catch (Exception exception)
                    {
                        trans.Rollback();
                        throw exception;
                    }
                    finally
                    {
                        conn.Close();
                    }
                }
            }
        }

        /// <summary>
        /// 實際刪除公司權限池
        /// </summary>
        /// <param name="companyAuths"></param>
        /// <returns></returns>
        public async Task PurgeCompanyRoleAuth(int companyId, List<CompanyAuth> companyAuths)
        {
            using (IDbConnection conn = this._databaseHelper.GetConnection())
            {
                conn.Open();
                using (var trans = conn.BeginTransaction())
                {
                    try
                    {
                        //找出該公司底下有該權限的角色
                        var auths = companyAuths.Select(x => x.AuthCode).ToList();

                        var sqlRole = @$"SELECT ra.Id, ra.AuthCode FROM role_auth ra
                                        LEFT JOIN role r ON ra.Id = r.Id
                                        WHERE r.CompanyId = @CompanyId AND ra.AuthCode IN @AuthCode";

                        var roles = (await conn.QueryAsync<RoleAuth>(sqlRole, new { CompanyId = companyId, AuthCode = auths }, trans)).ToList();

                        var sql = $"DELETE FROM role_auth WHERE Id = @Id AND AuthCode = @AuthCode";

                        await conn.ExecuteAsync(sql, roles, trans);

                        trans.Commit();
                    }
                    catch (Exception exception)
                    {
                        trans.Rollback();
                        throw exception;
                    }
                    finally
                    {
                        conn.Close();
                    }
                }
            }
        }

        /// <summary>
        /// 新增公司權限池
        /// </summary>
        /// <param name="entity"></param>
        /// <param name="properties"></param>
        /// <returns></returns>
        public async Task<int> AddCompanyAuthAsync(List<CompanyAuth> entity, List<string> properties)
        {
            int count;
            using (IDbConnection conn = _databaseHelper.GetConnection())
            {
                conn.Open();
                try
                {
                    string sql = $"INSERT INTO company_auth_page (CompanyId, AuthCode, CreatedBy) VALUES (@CompanyId, @AuthCode, @CreatedBy)";

                    count = await conn.ExecuteAsync(sql, entity);
                }
                catch (Exception exception)
                {
                    throw exception;
                }
                finally
                {
                    conn.Close();
                }

                return count;
            }
        }
    }
}