package service

import (
	"fmt"
	"github.com/linmadan/egglib-go/core/application"
	"github.com/linmadan/egglib-go/utils/tool_funs"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/application/factory"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/application/user/command"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/application/user/query"
	"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/domain"
)

// 用户管理服务
type UserService struct {
}

// 用户状态转换(禁用、启用)
func (userService *UserService) ConvertUserStatus(convertUserStatusCommand *command.ConvertUserStatusCommand) (interface{}, error) {
	if err := convertUserStatusCommand.ValidateCommand(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return nil, nil
}

// 创建
func (userService *UserService) CreateUser(createUserCommand *command.CreateUserCommand) (interface{}, error) {
	if err := createUserCommand.ValidateCommand(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	newUser := &domain.User{
		UserType:       createUserCommand.UserType,
		AdminType:      createUserCommand.AdminType,
		Status:         createUserCommand.Status,
		UserInfo:       createUserCommand.UserInfo,
		PartnerInfo:    createUserCommand.PartnerInfo,
		AccessPartners: createUserCommand.AccessPartners,
	}
	var userRepository domain.UserRepository
	if value, err := factory.CreateUserRepository(map[string]interface{}{
		"transactionContext": transactionContext,
	}); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		userRepository = value
	}
	if user, err := userRepository.Save(newUser); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return user, nil
	}
}

// 返回
func (userService *UserService) GetUser(getUserQuery *query.GetUserQuery) (interface{}, error) {
	if err := getUserQuery.ValidateQuery(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	var userRepository domain.UserRepository
	if value, err := factory.CreateUserRepository(map[string]interface{}{
		"transactionContext": transactionContext,
	}); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		userRepository = value
	}
	user, err := userRepository.FindOne(map[string]interface{}{"userId": getUserQuery.UserId})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if user == nil {
		return nil, application.ThrowError(application.RES_NO_FIND_ERROR, fmt.Sprintf("%s", string(getUserQuery.UserId)))
	} else {
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return user, nil
	}
}

// 返回列表
func (userService *UserService) ListUser(listUserQuery *query.ListUserQuery) (interface{}, error) {
	if err := listUserQuery.ValidateQuery(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	var userRepository domain.UserRepository
	if value, err := factory.CreateUserRepository(map[string]interface{}{
		"transactionContext": transactionContext,
	}); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		userRepository = value
	}
	if count, users, err := userRepository.Find(tool_funs.SimpleStructToMap(listUserQuery)); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return map[string]interface{}{
			"count": count,
			"users": users,
		}, nil
	}
}

// 移除
func (userService *UserService) RemoveUser(removeUserCommand *command.RemoveUserCommand) (interface{}, error) {
	if err := removeUserCommand.ValidateCommand(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	var userRepository domain.UserRepository
	if value, err := factory.CreateUserRepository(map[string]interface{}{
		"transactionContext": transactionContext,
	}); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		userRepository = value
	}
	user, err := userRepository.FindOne(map[string]interface{}{"userId": removeUserCommand.UserId})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if user == nil {
		return nil, application.ThrowError(application.RES_NO_FIND_ERROR, fmt.Sprintf("%s", string(removeUserCommand.UserId)))
	}
	if user, err := userRepository.Remove(user); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return user, nil
	}
}

// 设置权限
func (userService *UserService) SetPermission(setPermissionCommand *command.SetPermissionCommand) (interface{}, error) {
	if err := setPermissionCommand.ValidateCommand(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return nil, nil
}

// 更新
func (userService *UserService) UpdateUser(updateUserCommand *command.UpdateUserCommand) (interface{}, error) {
	if err := updateUserCommand.ValidateCommand(); err != nil {
		return nil, application.ThrowError(application.ARG_ERROR, err.Error())
	}
	transactionContext, err := factory.CreateTransactionContext(nil)
	if err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	if err := transactionContext.StartTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	var userRepository domain.UserRepository
	if value, err := factory.CreateUserRepository(map[string]interface{}{
		"transactionContext": transactionContext,
	}); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		userRepository = value
	}
	user, err := userRepository.FindOne(map[string]interface{}{"userId": updateUserCommand.UserId})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if user == nil {
		return nil, application.ThrowError(application.RES_NO_FIND_ERROR, fmt.Sprintf("%s", string(updateUserCommand.UserId)))
	}
	if err := user.Update(tool_funs.SimpleStructToMap(updateUserCommand)); err != nil {
		return nil, application.ThrowError(application.BUSINESS_ERROR, err.Error())
	}
	if user, err := userRepository.Save(user); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	} else {
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return user, nil
	}
}

func NewUserService(options map[string]interface{}) *UserService {
	newUserService := &UserService{}
	return newUserService
}