using System.Reflection;
using DS.Module.Core;
using DS.Module.Core.Data;
using DS.Module.Core.Extensions;
using DS.Module.SqlSugar;
using DS.Module.UserModule;
using DS.WMS.Core.Sys.Dtos;
using DS.WMS.Core.Sys.Entity;
using DS.WMS.Core.Sys.Interface;
using Mapster;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using SysTenantLink = DS.WMS.Core.Sys.Entity.SysTenantLink;

namespace DS.WMS.Core.Sys.Method;

public class VersionService : IVersionService
{
    private readonly IServiceProvider _serviceProvider;
    private readonly ISqlSugarClient db;
    private readonly IUser user;
    private readonly ISaasDbService saasService;

    /// <summary>
    ///
    /// </summary>
    /// <param name="serviceProvider"></param>
    public VersionService(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
        db = _serviceProvider.GetRequiredService<ISqlSugarClient>();
        user = _serviceProvider.GetRequiredService<IUser>();
        saasService = _serviceProvider.GetRequiredService<ISaasDbService>();
    }

    /// <summary>
    /// 列表
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public DataResult<List<VersionRes>> GetListByPage(PageRequest request)
    {
        //序列化查询条件
        var whereList = db.ConfigQuery.Context.Utilities.JsonToConditionalModels(request.QueryCondition);
        var data = db.Queryable<SysVersion>()
            .Where(whereList)
            .Select<VersionRes>().ToQueryPage(request.PageCondition);
        return data;
    }

    /// <summary>
    /// 编辑
    /// </summary>
    /// <param name="req"></param>
    /// <returns></returns>
    public DataResult EditVersion(VersionReq req)
    {
        if (req.Id == 0)
        {
            if (db.Queryable<SysVersion>().Where(x => x.Version == req.Version).Any())
            {
                return DataResult.Failed("系统版本信息已存在!", MultiLanguageConst.VersionExist);
            }

            var data = req.Adapt<SysVersion>();

            var entity = db.Insertable(data).ExecuteReturnEntity();

            return DataResult.Successed("添加成功!", entity.Id, MultiLanguageConst.DataCreateSuccess);
        }
        else
        {
            var info = db.Queryable<SysVersion>().Where(x => x.Id == req.Id).First();

            info = req.Adapt(info);

            db.Updateable(info).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommand();
            return DataResult.Successed("更新成功!", MultiLanguageConst.DataUpdateSuccess);
        }
    }

    /// <summary>
    /// 详情
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public DataResult<VersionRes> GetVersionInfo(string id)
    {
        var data = db.Queryable<SysVersion>()
            .Where(a => a.Id == long.Parse(id))
            .Select<VersionRes>()
            .First();
        return DataResult<VersionRes>.Success(data, MultiLanguageConst.DataQuerySuccess);
    }


    /// <summary>
    /// 更新租户表差异
    /// </summary>
    /// <returns></returns>
    public DataResult UpdateSaasTableInfo()
    {
        var path = AppDomain.CurrentDomain.RelativeSearchPath ?? AppDomain.CurrentDomain.BaseDirectory;
        var referencedAssemblies = Directory.GetFiles(path, "DS.WMS.Core.dll").Select(Assembly.LoadFrom).ToArray();
        var types = referencedAssemblies
            .SelectMany(a => a.DefinedTypes)
            .Select(type => type.AsType())
            .Where(it => it.FullName.Contains("DS.WMS.Core.Code.Entity.")||it.FullName.Contains("DS.WMS.Core.Info.Entity.")||it.FullName.Contains("DS.WMS.Core.Op.Entity.")).ToArray();


        var tenantList = db.Queryable<SysTenantLink>().ToList();
        foreach (var item in tenantList)
        {
            var tenantDb = saasService.GetBizDbScopeById(item.TenantId);
            StaticConfig.CodeFirst_MySqlCollate = "utf8mb4_0900_ai_ci"; //较高版本支持
            tenantDb.CodeFirst.InitTables(types);
        }

        return DataResult.Successed("更新租户表信息成功!", MultiLanguageConst.DataUpdateSuccess);
    }


    /// <summary>
    /// 执行版本更新
    /// </summary>
    /// <param name="req">版本信息的Id</param>
    /// <returns></returns>
    public async Task<DataResult> ExecuteVersionUpdate(IdModel req)
    {
        var dbScope = (SqlSugarScope)db;
        var version = await db.Queryable<SysVersion>()
            .FirstAsync(a => a.Id == long.Parse(req.Id) && a.Status == StatusEnum.Enable);
        if (version.IsNull())
        {
            return await Task.FromResult(DataResult.Failed("系统版本信息已存在!", MultiLanguageConst.VersionExist));
        }

        if (version.Executed)
        {
            return await Task.FromResult(DataResult.Failed("系统版本更新已执行!", MultiLanguageConst.VersionExecuted));
        }

        try
        {
            //开启事务
            await dbScope.Ado.BeginTranAsync();
            if (version.MainContent.IsNotEmptyOrNull())
            {
                db.Ado.ExecuteCommandWithGo(version.MainContent);
            }

            if (version.TenantContent.IsNotEmptyOrNull())
            {
                var tenantList = await db.Queryable<SysTenantLink>().ToListAsync();
                foreach (var item in tenantList)
                {
                    var tenantDb = saasService.GetBizDbScopeById(item.TenantId);
                    if (await db.Queryable<SysTenantVersion>()
                            .Where(x => x.TenantId == item.TenantId && x.VersionId == version.Id).AnyAsync())
                    {
                        continue;
                    }
                    else
                    {
                        tenantDb.Ado.ExecuteCommandWithGo(version.TenantContent);
                        var tenantVersion = new SysTenantVersion()
                        {
                            TenantId = item.TenantId,
                            VersionId = version.Id,
                            UpdateTime = DateTime.Now
                        };
                        await db.Insertable(tenantVersion).ExecuteCommandAsync();
                    }
                }
            }

            version.Executed = true;
            await db.Updateable(version).ExecuteCommandAsync();

            await dbScope.Ado.CommitTranAsync();
            return await Task.FromResult(DataResult.Successed("执行版本更新成功!", MultiLanguageConst.DataUpdateSuccess));
        }
        catch (Exception ex)
        {
            await dbScope.Ado.RollbackTranAsync();
            return await Task.FromResult(DataResult.Failed("审批失败!" + ",请联系管理员!" + ex.ToString()));
        }
    }
    
    /// <summary/>
    /// 获取版本已更新的租户列表
    /// <param name="request"></param>
    /// <returns></returns>
    public DataResult<List<TenantVersionRes>> GetTenantVersionUpdateList(PageRequest request)
    {
        //序列化查询条件
        var whereList = db.ConfigQuery.Context.Utilities.JsonToConditionalModels(request.QueryCondition);
        var data = db.Queryable<SysTenantVersion>()
            .LeftJoin<SysTenant>((a,b)=>a.TenantId == b.Id)
            .Where(whereList)
            .Select<TenantVersionRes>().ToQueryPage(request.PageCondition);
        return data;
    }
}