package models

import (
	"encoding/json"
	"errors"
	"fmt"
	"gorm.io/gorm"
	"log"
	"strings"

	"golang.org/x/crypto/bcrypt"

	orm "go-admin/common/global"
	"go-admin/tools"
)

// User
type User struct {
	// key
	IdentityKey string
	// 用户名
	UserName  string
	FirstName string
	LastName  string
	// 角色
	Role string
}

type UserName struct {
	Username string `gorm:"size:64" json:"username"` // 用户名
}

type PassWord struct {
	Password string `gorm:"size:128" json:"password"` // 密码
}

type LoginM struct {
	UserName
	PassWord
}

type SysUserId struct {
	UserId int `gorm:"primary_key;AUTO_INCREMENT"  json:"userId"` // 编码
}

type SysUserB struct {
	NickName              string      `gorm:"size:128" json:"nickName"`              // 昵称
	Phone                 string      `gorm:"size:11" json:"phone"`                  // 手机号
	RoleId                int         `gorm:"" json:"roleId"`                        // 角色编码
	Salt                  string      `gorm:"size:255" json:"salt"`                  // 盐
	Avatar                string      `gorm:"size:255" json:"avatar"`                // 头像
	Sex                   string      `gorm:"size:255" json:"sex"`                   // 性别
	Email                 string      `gorm:"size:128" json:"email"`                 // 邮箱
	DeptId                int         `gorm:"" json:"deptId"`                        // 部门编码
	PostId                int         `gorm:"" json:"postId"`                        // 职位编码
	CreateBy              string      `gorm:"size:128" json:"createBy"`              //
	UpdateBy              string      `gorm:"size:128" json:"updateBy"`              //
	Remark                string      `gorm:"size:255" json:"remark"`                // 备注
	Status                string      `gorm:"size:4;" json:"status"`                 // 状态
	StoreId               uint32      `json:"store_id"`                              // 门店id
	StoreName             string      `json:"store_name"`                            // 门店名称
	CooperativeBusinessId uint32      `json:"cooperative_business_id" gorm:"index"`  // 合作商id
	CooperativeName       string      `json:"cooperative_name"`                      // 合作商名称
	AccountType           uint32      `json:"account_type"`                          // 账号类型:1-管理端
	StoreData             string      `gorm:"type:json" json:"store_data,omitempty"` // 有效门店
	StoreList             []StoreInfo `json:"store_list" gorm:"-" `                  // 有效门店列表
	SalesCommRate         float64     `json:"sales_comm_rate"`                       // 销售提成比例
	Uid                   uint32      `json:"uid" gorm:"column:uid;unique_index"`    // 用户uid todo 待添加
	BaseModel

	DataScope string `gorm:"-" json:"dataScope"`
	Params    string `gorm:"-" json:"params"`
}

type StoreInfo struct {
	StoreID    int    `json:"storeId"`    //门店id
	StoreName  string `json:"storeName"`  //门店名称
	ExpireTime string `json:"expireTime"` //有效期
}

type SysUser struct {
	SysUserId
	LoginM
	SysUserB
}

type InsertSysUserReq struct {
	SysUserId
	LoginM
	NickName              string      `json:"nickName"`                // 昵称
	Phone                 string      `json:"phone"`                   // 手机号
	RoleId                int         `json:"roleId"`                  // 角色编码
	Salt                  string      `json:"salt"`                    // 盐
	Avatar                string      `json:"avatar"`                  // 头像
	Sex                   string      `json:"sex"`                     // 性别
	Email                 string      `json:"email"`                   // 邮箱
	DeptId                int         `json:"deptId"`                  // 部门编码
	PostId                int         `json:"postId"`                  // 职位编码
	Remark                string      `json:"remark"`                  // 备注
	Status                string      `json:"status"`                  // 状态
	StoreId               uint32      `json:"store_id"`                // 门店id
	StoreName             string      `json:"store_name"`              // 门店名称
	CooperativeBusinessId uint32      `json:"cooperative_business_id"` // 合作商id
	CooperativeName       string      `json:"cooperative_name"`        // 合作商名称
	AccountType           uint32      `json:"account_type"`            // 账号类型:1-管理端
	SalesCommRate         string      `json:"sales_comm_rate"`         // 销售提成比例
	StoreList             []StoreInfo `json:"store_list"`              // 有效门店
	Uid                   uint32      `json:"uid"`                     // 用户uid
}

func (SysUser) TableName() string {
	return "sys_user"
}

type SysUserPwd struct {
	OldPassword string `json:"oldPassword"`
	NewPassword string `json:"newPassword"`
}

type SysUserPage struct {
	SysUserId
	SysUserB
	LoginM
	DeptName string `gorm:"-" json:"deptName"`
}

type SysUserView struct {
	SysUserId
	SysUserB
	LoginM
	RoleName string `gorm:"column:role_name"  json:"role_name"`
}

// 获取用户数据
func (e *SysUser) Get() (SysUserView SysUserView, err error) {

	table := orm.Eloquent.Table(e.TableName()).Select([]string{"sys_user.*", "sys_role.role_name"})
	table = table.Joins("left join sys_role on sys_user.role_id=sys_role.role_id")
	if e.UserId != 0 {
		table = table.Where("user_id = ?", e.UserId)
	}

	if e.Username != "" {
		table = table.Where("username = ?", e.Username)
	}

	if e.Password != "" {
		table = table.Where("password = ?", e.Password)
	}

	if e.RoleId != 0 {
		table = table.Where("role_id = ?", e.RoleId)
	}

	if e.DeptId != 0 {
		table = table.Where("dept_id = ?", e.DeptId)
	}

	if e.PostId != 0 {
		table = table.Where("post_id = ?", e.PostId)
	}

	if err = table.First(&SysUserView).Error; err != nil {
		return
	}

	SysUserView.Password = ""
	if SysUserView.StoreData != "" {
		SysUserView.StoreList = deserializeStoreData(SysUserView.StoreData)
	}
	return
}

func (e *SysUser) GetUserInfo() (SysUserView SysUserView, err error) {

	table := orm.Eloquent.Table(e.TableName()).Select([]string{"sys_user.*", "sys_role.role_name"})
	table = table.Joins("left join sys_role on sys_user.role_id=sys_role.role_id")
	if e.UserId != 0 {
		table = table.Where("user_id = ?", e.UserId)
	}

	if e.Username != "" {
		table = table.Where("username = ?", e.Username)
	}

	if e.Password != "" {
		table = table.Where("password = ?", e.Password)
	}

	if e.RoleId != 0 {
		table = table.Where("role_id = ?", e.RoleId)
	}

	if e.DeptId != 0 {
		table = table.Where("dept_id = ?", e.DeptId)
	}

	if e.PostId != 0 {
		table = table.Where("post_id = ?", e.PostId)
	}

	if err = table.First(&SysUserView).Error; err != nil {
		return
	}
	return
}

func (e *SysUser) GetList() (SysUserView []SysUserView, err error) {

	table := orm.Eloquent.Table(e.TableName()).Select([]string{"sys_user.*", "sys_role.role_name"})
	table = table.Joins("left join sys_role on sys_user.role_id=sys_role.role_id")
	if e.UserId != 0 {
		table = table.Where("user_id = ?", e.UserId)
	}

	if e.Username != "" {
		table = table.Where("username = ?", e.Username)
	}

	if e.Password != "" {
		table = table.Where("password = ?", e.Password)
	}

	if e.RoleId != 0 {
		table = table.Where("role_id = ?", e.RoleId)
	}

	if e.DeptId != 0 {
		table = table.Where("dept_id = ?", e.DeptId)
	}

	if e.PostId != 0 {
		table = table.Where("post_id = ?", e.PostId)
	}

	if err = table.Find(&SysUserView).Error; err != nil {
		return
	}
	return
}

type SysUserListResp struct {
	Total     int           `json:"count"`     // 总条数
	PageIndex int           `json:"pageIndex"` // 页码
	PageSize  int           `json:"pageSize"`  // 页面条数
	List      []SysUserPage `json:"list"`      // 采购报表信息
}

func (e *SysUser) GetPage(pageSize int, pageIndex int) ([]SysUserPage, int, error) {
	var doc []SysUserPage
	table := orm.Eloquent.Select("sys_user.*,sys_dept.dept_name").Table(e.TableName())
	table = table.Joins("left join sys_dept on sys_dept.dept_id = sys_user.dept_id") //es := orm.Eloquent.Select("sys_user.*,sys_dept.dept_name").Table(e.TableName()) //es = table.Joins("left join sys_dept on sys_dept.dept_id = sys_user.dept_id")

	if e.Username != "" {
		table = table.Where("username = ?", e.Username)
	}
	if e.Status != "" {
		table = table.Where("sys_user.status = ?", e.Status)
	}

	if e.Phone != "" {
		table = table.Where("sys_user.phone = ?", e.Phone)
	}

	if e.RoleId != 0 {
		table = table.Where("sys_user.role_id = ?", e.RoleId)
	}

	if e.NickName != "" {
		table = table.Where("sys_user.nick_name = ?", e.NickName)
	}

	if e.StoreId != 0 {
		table = table.Where("JSON_CONTAINS(store_data, ?)", fmt.Sprintf(`{"storeId":%d}`, e.StoreId))
	}

	if e.DeptId != 0 {
		table = table.Where("sys_user.dept_id in (select dept_id from sys_dept where dept_path like ? )", "%"+tools.IntToString(e.DeptId)+"%") //es = table.Where("sys_user.dept_id in (select dept_id from sys_dept where dept_path like ? )", "%"+tools.IntToString(e.DeptId)+"%")
	}

	// 数据权限控制(如果不需要数据权限请将此处去掉)
	dataPermission := new(DataPermission)
	dataPermission.UserId, _ = tools.StringToInt(e.DataScope)
	table, err := dataPermission.GetDataScope(e.TableName(), table)
	if err != nil {
		return nil, 0, err
	}

	es := table
	var count int64
	err = es.Count(&count).Error
	if err != nil {
		//logger.Error("count err:", err)
		return nil, 0, err
	}

	//if err := table.Offset((pageIndex - 1) * pageSize).Limit(pageSize).Find(&doc).Order("sys_user.created_at DESC").Offset(-1).Limit(-1).Count(&count).Error; err != nil {
	//	return nil, 0, err
	//}

	if err = table.Order("sys_user.user_id DESC").Offset((pageIndex - 1) * pageSize).Limit(pageSize).Find(&doc).Error; err != nil {
		return nil, 0, err
	}

	// 反序列化 StoreData
	for i, v := range doc {
		if doc[i].StoreData != "" {
			doc[i].StoreList = deserializeStoreData(v.StoreData)
			doc[i].StoreData = ""
		}
	}

	return doc, int(count), nil
}

// 反序列化 StoreData
func deserializeStoreData(storeData string) []StoreInfo {
	var StoreData []StoreInfo
	if err := json.Unmarshal([]byte(storeData), &StoreData); err != nil {
		// 可以根据实际情况处理反序列化失败的情况
		log.Println("反序列化 StoreData 失败:", err)
	}
	return StoreData
}

// 加密
func (e *SysUser) Encrypt() (err error) {
	if e.Password == "" {
		return
	}

	var hash []byte
	if hash, err = bcrypt.GenerateFromPassword([]byte(e.Password), bcrypt.DefaultCost); err != nil {
		return
	} else {
		e.Password = string(hash)
		return
	}
}

// 添加
func (e SysUser) Insert(begin *gorm.DB) (id int, err error) {
	if err = e.Encrypt(); err != nil {
		return
	}

	// check 用户名
	var count int64
	orm.Eloquent.Table(e.TableName()).Where("username = ?", e.Username).Count(&count)
	if count > 0 {
		err = errors.New("账户已存在！")
		return
	}

	//添加数据
	if err = begin.Table(e.TableName()).Create(&e).Error; err != nil {
		return
	}
	id = e.UserId
	return
}

// 修改
func (e *SysUser) Update(begin *gorm.DB, id int) (update SysUser, err error) {
	if e.Password != "" {
		if err = e.Encrypt(); err != nil {
			return
		}
	}
	if err = orm.Eloquent.Table(e.TableName()).First(&update, id).Error; err != nil {
		return
	}
	if e.RoleId == 0 {
		e.RoleId = update.RoleId
	}

	if len(e.StoreList) != 0 {
		// 将 StoreData 转换为 JSON 字符串
		storeDataJSON, err := json.Marshal(e.StoreList)
		if err != nil {
			return SysUser{}, err
		}
		e.StoreData = string(storeDataJSON)
	}

	if begin == nil {
		begin = orm.Eloquent
	}

	//参数1:是要修改的数据
	//参数2:是修改的数据
	if err = begin.Table(e.TableName()).Model(&update).Updates(&e).Error; err != nil {
		return
	}
	return
}

func (e *SysUser) BatchDelete(id []int) (Result bool, err error) {
	if err = orm.Eloquent.Table(e.TableName()).Where("user_id in (?)", id).Delete(&SysUser{}).Error; err != nil {
		return
	}
	Result = true
	return
}

func (e *SysUser) SetPwd(pwd SysUserPwd) (Result bool, err error) {
	user, err := e.GetUserInfo()
	if err != nil {
		tools.HasError(err, "获取用户数据失败(代码202)", 500)
	}
	_, err = tools.CompareHashAndPassword(user.Password, pwd.OldPassword)
	if err != nil {
		if strings.Contains(err.Error(), "hashedPassword is not the hash of the given password") {
			tools.HasError(err, "密码错误(代码202)", 500)
		}
		log.Print(err)
		return
	}
	e.Password = pwd.NewPassword
	_, err = e.Update(nil, e.UserId)
	tools.HasError(err, "更新密码失败(代码202)", 500)
	return
}

func GetUserById(id uint32) *SysUserB {
	var u = new(SysUserB)
	orm.Eloquent.Table("sys_user").Where("user_id", id).First(u)

	return u
}

// UpdateUserType 更新uid的user_type为2
func UpdateUserType(begin *gorm.DB, uid, nType uint32) error {
	// 更新库存表
	err := begin.Table("user").Where("uid = ?", uid).
		Updates(map[string]interface{}{
			"user_type": nType,
		}).Error
	if err != nil {
		return err
	}

	return nil
}