package cms

import (
	"errors"
	"fmt"

	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/jxcallback/scheduler/basesch"
	"git.rosy.net.cn/jx-callback/business/jxutils/tasksch"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/business/partner"
	"git.rosy.net.cn/jx-callback/globals"
)

type VendorSync struct {
}

type SyncError struct {
	Original error  `json:"original"`
	Message  string `json:"message"`
}

var (
	MultiStoresVendorHandlers []partner.IMultipleStoresHandler
	SingleStoreVendorIDs      []int
)

var (
	ErrHaveNotImplementedYet = errors.New("还没有实现")
	ErrEntityNotExist        = errors.New("找不到相应实体")
)

func Init() {
	for k, v := range basesch.FixedBaseScheduler.PurchasePlatformHandlers {
		if multiHandler, ok := v.(partner.IMultipleStoresHandler); ok {
			MultiStoresVendorHandlers = append(MultiStoresVendorHandlers, multiHandler)
		} else if _, ok := v.(partner.ISingleStoreHandler); ok {
			SingleStoreVendorIDs = append(SingleStoreVendorIDs, k)
		} else {
			panic(fmt.Sprintf("platform:%d type is wrong!", k))
		}
	}
}

func (v *VendorSync) SyncCategory(db *dao.DaoDB, categoryID int, isForce bool, userName string) (err error) {
	err = v.LoopMultiStoresVendors(db, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
		multiStoresHandler := batchItemList[0].(partner.IMultipleStoresHandler)
		var cats []*model.SkuCategory
		cond := make(map[string]interface{})
		if categoryID > 0 {
			cond[model.FieldID] = categoryID
		}
		err := dao.GetEntitiesByKV(db, &cats, cond, true)
		if err == nil {
			task := tasksch.RunTask("", false, nil, len(cats), 1, userName, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
				for _, v := range batchItemList {
					cat := v.(*model.SkuCategory)
					updateFields := []string{multiStoresHandler.GetFieldSyncStatusName()}
					if (cat.JdSyncStatus & model.SyncFlagDeletedMask) != 0 { //删除
						err = multiStoresHandler.DeleteCategory(db, cat, userName)
					} else if (cat.JdSyncStatus&model.SyncFlagNewMask) != 0 || isForce { // 新增
						err = multiStoresHandler.CreateCategory(db, cat, userName)
						updateFields = append(updateFields, multiStoresHandler.GetFieldIDName())
					} else if (cat.JdSyncStatus & model.SyncFlagModifiedMask) != 0 { // 修改
						err = multiStoresHandler.UpdateCategory(db, cat, userName)
					}
					if err == nil {
						cat.JdSyncStatus = 0
						_, err = dao.UpdateEntity(db, cat, updateFields...)
					} else {
						break
					}
				}
				return nil, err
			}, cats)
			_, err = task.GetResult(0)
		}
		return nil, err
	})
	return err
}

func (v *VendorSync) SyncReorderCategories(db *dao.DaoDB, categoryID int, isForce bool, userName string) (err error) {
	err = v.LoopMultiStoresVendors(db, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
		multiStoresHandler := batchItemList[0].(partner.IMultipleStoresHandler)
		err2 := multiStoresHandler.ReorderCategories(db, categoryID, userName)
		if err2 == nil {
			cat := &model.SkuCategory{}
			_, err2 = dao.UpdateEntityByKV(db, cat, utils.Params2Map(multiStoresHandler.GetFieldSyncStatusName(), 0), utils.Params2Map(model.FieldParentID, categoryID))
			return nil, err2
		}
		return nil, err2
	})
	return err
}

func (v *VendorSync) SyncStore(db *dao.DaoDB, vendorID, storeID int, isForce bool, userName string) (err error) {
	globals.SugarLogger.Debugf("SyncStore, storeID:%d", storeID)
	err = v.LoopStoreMap(db, storeID, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
		storeMap := batchItemList[0].(*model.StoreMap)
		if (vendorID == -1 || vendorID == storeMap.VendorID) && (isForce || storeMap.SyncStatus != 0) {
			if handler := GetPurchaseHandler(storeMap.VendorID); handler != nil {
				if err = handler.UpdateStore(db, storeID, userName); err == nil {
					storeMap.SyncStatus = 0
					_, err = dao.UpdateEntity(db, storeMap, model.FieldSyncStatus)
				}
			}
		}
		return nil, err
	})
	return err
}

func (v *VendorSync) SyncSku(db *dao.DaoDB, nameID, skuID int, isForce bool, userName string) (err error) {
	globals.SugarLogger.Debugf("SyncSku, nameID:%d, skuID:%d, isForce:%t, userName:%s", nameID, skuID, isForce, userName)
	err = v.LoopMultiStoresVendors(db, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
		multiStoresHandler := batchItemList[0].(partner.IMultipleStoresHandler)
		var skuList []*model.Sku
		cond := make(map[string]interface{})
		if nameID != -1 {
			cond[model.FieldNameID] = nameID
		}
		if skuID != -1 {
			cond[model.FieldID] = skuID
		}
		err := dao.GetEntitiesByKV(db, &skuList, cond, true)
		if err == nil {
			// globals.SugarLogger.Debug(utils.Format4Output(skuList, false))
			task := tasksch.RunTask("SyncSku", false, nil, len(skuList), 1, userName, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
				for _, v := range batchItemList {
					sku := v.(*model.Sku)
					if (skuID == -1 || skuID == sku.ID) && (isForce || sku.JdSyncStatus != 0) {
						updateFields := []string{multiStoresHandler.GetFieldSyncStatusName()}
						if sku.JdSyncStatus&model.SyncFlagDeletedMask != 0 { // 删除
							err = multiStoresHandler.DeleteSku(db, sku, userName)
						} else if sku.JdSyncStatus&model.SyncFlagNewMask != 0 { // 新增
							err = multiStoresHandler.CreateSku(db, sku, userName)
							updateFields = append(updateFields, multiStoresHandler.GetFieldIDName())
						} else if sku.JdSyncStatus&model.SyncFlagModifiedMask != 0 { // 修改
							err = multiStoresHandler.UpdateSku(db, sku, userName)
						}
						if err == nil {
							sku.JdSyncStatus = 0
							dao.UpdateEntity(db, sku, updateFields...)
						} else {
							break
						}
					}
				}
				return nil, err
			}, skuList)
			_, err = task.GetResult(0)
		}
		return nil, err
	})
	return err
}

//
func (v *VendorSync) SyncStoreSku(db *dao.DaoDB, storeID int, skuIDs []int, isForce bool, userName string) (err error) {
	globals.SugarLogger.Debug("SyncStoreSku")
	err = v.LoopStoreMap(db, storeID, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
		storeMap := batchItemList[0].(*model.StoreMap)
		if handler := GetPurchaseHandler(storeMap.VendorID); handler != nil {
			err = handler.SyncStoreSkus(db, []int{storeID}, skuIDs, isForce, userName)
		}
		return nil, err
	})
	return err
}

func (v *VendorSync) LoopStoreMap(db *dao.DaoDB, storeID int, handler tasksch.WorkFunc) (err error) {
	storeMaps, err := GetStoreVendorMaps(db, storeID, -1)
	if err == nil {
		task := tasksch.RunTask("LoopStoreMap", false, nil, len(storeMaps), 1, "", handler, storeMaps)
		_, err = task.GetResult(0)
	}
	return makeSyncError(err)
}

func (v *VendorSync) LoopMultiStoresVendors(db *dao.DaoDB, handler tasksch.WorkFunc) (err error) {
	task := tasksch.RunTask("LoopMultiStoresVendors", false, nil, len(MultiStoresVendorHandlers), 1, "", handler, MultiStoresVendorHandlers)
	_, err = task.GetResult(0)
	return makeSyncError(err)
}

func (v *VendorSync) LoopSingleStoreVendors(db *dao.DaoDB, taskName, userName string, handler tasksch.WorkFunc) (err error) {
	if taskName == "" {
		taskName = "LoopSingleStoreVendors"
	}
	var storeMaps []*model.StoreMap
	if err = dao.GetRows(db, &storeMaps, `
	SELECT *
	FROM store_map
	WHERE vendor_id IN (`+dao.GenQuestionMarks(len(SingleStoreVendorIDs))+")", SingleStoreVendorIDs); err == nil {
		parellelCount := len(storeMaps)
		if parellelCount > 20 {
			parellelCount = 20
		}
		task := tasksch.RunManagedTask(taskName, false, nil, parellelCount, 1, userName, handler, storeMaps)
		_, err = task.GetResult(0)
	}
	return makeSyncError(err)
}

func (v *VendorSync) RefreshSkuIDs(nameID, skuID int, isForce bool, userName string) (err error) {
	sql := `
	SELECT t1.id
	FROM sku t1
	JOIN sku_name t2 ON t1.name_id = t2.id
	WHERE 1 = 1
	`
	sqlParams := []interface{}{}
	if nameID != -1 {
		sql += " AND t1.name_id = ?"
		sqlParams = append(sqlParams, nameID)
	}
	if skuID != -1 {
		sql += " AND t1.id = ?"
		sqlParams = append(sqlParams, skuID)
	}

	var ids []int
	db := dao.GetDB()
	if err = dao.GetRows(db, &ids, sql, sqlParams); err == nil {
		// globals.SugarLogger.Debug(utils.Format4Output(ids, false))
		err = v.LoopMultiStoresVendors(db, func(batchItemList []interface{}, params ...interface{}) (interface{}, error) {
			multiStoresHandler := batchItemList[0].(partner.IMultipleStoresHandler)
			err := multiStoresHandler.SyncSkusIDMap(db, ids, userName)
			globals.SugarLogger.Debug(err)
			return nil, err
		})
	}
	return err
}

func makeSyncError(err error) (newErr error) {
	if err != nil {
		return &SyncError{
			Original: err,
		}
	}
	return err
}

func (e *SyncError) Error() string {
	return fmt.Sprintf("本地数据修改成功，但同步失败，请根据错误提示处理！，同步错误信息：%s", e.Original.Error())
}