using Dapper;
using System.Collections.Generic;
using System.Data;
using System.Threading.Tasks;
using System.Xml;

namespace Mirle.Component.Database
{
    /// <summary>
    /// 資料庫擴充方法類別
    /// </summary>
    public static class RelationDatabaseExtensions
    {
        /// <summary>
        /// 取得資料庫語法
        /// </summary>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整子節點名稱</param>
        /// <returns>資料庫語法</returns>
        private static string GetScriptContent(string filePath, string nodeName)
        {
            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load(filePath);
            return xmlDocument.SelectSingleNode(nodeName).InnerText.Trim();
        }
        /// <summary>
        /// 取得資料庫語法
        /// </summary>
        /// <param name="filePath">檔案位置</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整子節點名稱</param>
        /// <returns>資料庫語法</returns>
        private static string GetScriptContent(string filePath, string fileName, string nodeName)
        {
            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load($"{filePath}\\{fileName}");
            return xmlDocument.SelectSingleNode(nodeName).InnerText.Trim();
        }

        #region === [Read] ===

        /// <summary>
        /// 查詢資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">資料庫語法</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<dynamic> GetData(this IDbConnection conn, string query,
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            return conn.Query(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<dynamic> GetData(this IDbConnection conn, string filePath, string nodeName,
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, nodeName);
            return conn.Query(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<dynamic> GetData(this IDbConnection conn, string filePath, string fileName, string nodeName,
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            return conn.Query(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">關聯式資料庫語法</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<T> GetData<T>(this IDbConnection conn, string query, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            return conn.Query<T>(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<T> GetData<T>(this IDbConnection conn, string filePath, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, nodeName);
            return conn.Query<T>(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static IEnumerable<T> GetData<T>(this IDbConnection conn, string filePath, string fileName, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            return conn.Query<T>(query, param, trans, true, commandTimeOut, CommandType.Text);
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">關聯式資料庫語法</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<dynamic>> GetDataAsync(this IDbConnection conn, string query, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            IEnumerable<dynamic> dataset = await conn.QueryAsync(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<dynamic>> GetDataAsync(this IDbConnection conn, string filePath, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, nodeName);
            IEnumerable<dynamic> dataset = await conn.QueryAsync(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<dynamic>> GetDataAsync(this IDbConnection conn, string filePath, string fileName, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            IEnumerable<dynamic> dataset = await conn.QueryAsync(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">資料庫語法</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<T>> GetDataAsync<T>(this IDbConnection conn, string query, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            IEnumerable<T> dataset = await conn.QueryAsync<T>(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<T>> GetDataAsync<T>(this IDbConnection conn, string filePath, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, nodeName);
            IEnumerable<T> dataset = await conn.QueryAsync<T>(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }
        /// <summary>
        /// 查詢資料表
        /// </summary>
        /// <typeparam name="T">資料表類別</typeparam>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="commandTimeOut">查詢逾時</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>資料集</returns>
        public static async Task<IEnumerable<T>> GetDataAsync<T>(this IDbConnection conn, string filePath, string fileName, string nodeName, 
            object param = null, IDbTransaction trans = null, int commandTimeOut = 300)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            IEnumerable<T> dataset = await conn.QueryAsync<T>(query, param, trans, commandTimeOut, CommandType.Text);
            return dataset;
        }

        #endregion

        #region === [Create & Update & Delete] ===

        /// <summary>
        /// 更新資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">資料庫語法</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static int UpdateData(this IDbConnection conn, string query, object param = null, IDbTransaction trans = null)
        {
            return conn.Execute(query, param, trans);
        }
        /// <summary>
        /// 更新資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static int UpdateData(this IDbConnection conn, string filePath, string nodeName, object param = null, IDbTransaction trans = null)
        {
            string query = GetScriptContent(filePath, nodeName);
            return conn.Execute(query, param, trans);
        }
        /// <summary>
        /// 更新資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static int UpdateData(this IDbConnection conn, string filePath, string fileName, string nodeName, object param = null, IDbTransaction trans = null)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            return conn.Execute(query, param, trans);
        }
        /// <summary>
        /// 更新資料表資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="query">資料庫語法</param>
        /// <param name="param">參數</param>
        /// <param name="trans">資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static Task<int> UpdateDataAsync(this IDbConnection conn, string query, object param = null, IDbTransaction trans = null)
        {
            return conn.ExecuteAsync(query, param, trans);
        }
        /// <summary>
        /// 更新資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">完整檔案路徑</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static Task<int> UpdateDataAsync(this IDbConnection conn, string filePath, string nodeName, object param = null, IDbTransaction trans = null)
        {
            string query = GetScriptContent(filePath, nodeName);
            return conn.ExecuteAsync(query, param, trans);
        }
        /// <summary>
        /// 更新資料
        /// </summary>
        /// <param name="conn">關聯式資料庫連線</param>
        /// <param name="filePath">檔案路徑</param>
        /// <param name="fileName">檔案名稱</param>
        /// <param name="nodeName">完整節點名稱</param>
        /// <param name="param">參數</param>
        /// <param name="trans">關聯式資料庫交易</param>
        /// <returns>異動筆數</returns>
        public static Task<int> UpdateDataAsync(this IDbConnection conn, string filePath, string fileName, string nodeName, object param = null, IDbTransaction trans = null)
        {
            string query = GetScriptContent(filePath, fileName, nodeName);
            return conn.ExecuteAsync(query, param, trans);
        }

        #endregion
    }
}