using System.Data.Common;
using DS.Module.SqlSugar;
using DS.WMS.Core;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using SqlSugar;

namespace DS.WMS.MainApi.Controllers
{
    /// <summary>
    /// 运维API
    /// </summary>
    public class MaintenanceController : ApiController
    {
        readonly ISqlSugarClient sugarClient;

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="sugarClient"></param>
        public MaintenanceController(ISqlSugarClient sugarClient)
        {
            this.sugarClient = sugarClient;
        }

        /// <summary>
        /// 运行SQL脚本
        /// </summary>
        /// <param name="script">SQL脚本</param>
        /// <param name="dbNames">运行的数据库，为空时执行全部租户库</param>
        /// <returns></returns>
        [HttpPost, Route("RunScript"), AllowAnonymous]
        public async Task<IActionResult> RunScriptAsync([FromForm] string script, [FromQuery] params string[] dbNames)
        {
            bool hasError = default;
            var linkList = await sugarClient.Queryable<SysTenantLink>().ToListAsync();
            DbConnection? connection = null;
            try
            {
                foreach (var item in linkList)
                {
                    var paramArr = item.Connection.Split(';', StringSplitOptions.RemoveEmptyEntries);
                    if (dbNames != null && dbNames.Length > 0) //指定了数据库名
                    {
                        var seg = Array.Find(paramArr, x => x.StartsWith("database", StringComparison.OrdinalIgnoreCase));
                        if (seg == null)
                            continue;

                        string dbName = seg.Split('=')[1];
                        if (!dbNames.Contains(dbName, StringComparer.OrdinalIgnoreCase))
                            continue;
                    }

                    var fac = DbProviderFactories.GetFactory(sugarClient.Ado.Connection as DbConnection);
                    connection = fac!.CreateConnection();
                    connection.ConnectionString = item.Connection;
                    var cmd = connection.CreateCommand();
                    cmd.CommandText = script;
                    await connection.OpenAsync();
                    await cmd.ExecuteNonQueryAsync();
                }
            }
            catch (Exception ex)
            {
                await ex.LogAsync(sugarClient);
                hasError = true;
            }
            finally
            {
                connection?.Dispose();
            }

            return hasError ? StatusCode(500) : Ok();
        }
    }
}