package book

import (
	"errors"
	"fmt"
	"io/ioutil"
	"spaceofcheng/services/controllers"
	"spaceofcheng/services/models/model"
	"spaceofcheng/services/service/book"
	"strings"

	"github.com/tealeg/xlsx"
)

// CaseController 信息
type BookController struct {
	serv *book.BookServ
	controllers.BaseController
}

// Constructor 初始化 Controller
// @Title Constructor
// @Description 初始化 Controller, 系统自动调用
func (c *BookController) Constructor() {
	c.serv = book.NewBookServ(c.Context)
}

// GetRecommendList 获取精选
func (c *BookController) GetRecommendList() {
	caseid := c.GetString("caseid")
	page, _ := c.GetInt("page")
	pagesize, _ := c.GetInt("pagesize")
	if page < 0 {
		page = 1
	}

	if pagesize <= 0 {
		pagesize = 10
	}

	list, err := c.serv.GetBookRecommendList(caseid, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(list)
}

// GetBookList 获取图书列表
func (c *BookController) GetBookList() {
	caseIDs := c.GetString("caseid")
	if caseIDs == "" {
		c.ResponseError(errors.New("请选择案场"))
	}
	bookType := c.GetString("booktype")
	barcode := c.GetString("barcode")
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}

	pagesize, _ := c.GetInt("pagesize")
	name := c.GetString("name")
	showzero := c.GetString("showzero")
	list, err := c.serv.GetBookList(bookType, name, barcode, showzero, caseIDs, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(list)
}

// GetMineRecord 获取个人借阅记录
func (c *BookController) GetMineRecord() {
	page, _ := c.GetInt("page")
	pagesize, _ := c.GetInt("pagesize")
	status := c.GetString("status")
	list, err := c.serv.GetMineRecord(status, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(list)
}

// GetInStockChangeByBookId 获取图书盘点列表
func (c *BookController) GetInStockChangeByBookId() {
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}

	pagesize, _ := c.GetInt("pagesize")
	bookId := c.GetString(":bookId")
	list, err := c.serv.GetInStockChangeByBookId(bookId, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(list)

}

func (c *BookController) SaveBook() {
	org := c.Context.Get("org").(model.SysOrg)
	book := model.TaBook{}
	if err := c.ParseForm(&book); err != nil {
		c.ResponseError(err)
	}

	if book.BookId == "" {
		book.OrgId = org.OrgId
		book.LeftNum = book.InStock
		err := c.serv.AuthBook(book)
		if err != nil {
			c.ResponseError(err)
		}
		list, err := c.serv.AddBook(book)
		if err != nil {
			c.ResponseError(err)
		}

		c.ResponseJSON(list)
	}
	err := c.serv.AuthBookEdit(book)
	if err != nil {
		c.ResponseError(err)
	}
	list, err := c.serv.EditBook(book)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON(list)
}

// AddChangeRecord 新增库存盘点
func (c *BookController) AddChangeRecord() {
	change := model.TaInStockChange{}
	if err := c.ParseForm(&change); err != nil {
		c.ResponseError(err)
	}
	user := c.Context.Get("user").(model.SysUser)
	change.ChangeUser = user.UserId
	change.ChangeUserName = user.RealName
	err := c.serv.AddChangeRecord(change)
	if err != nil {
		c.ResponseError(err)
	}

	c.ResponseJSON("添加成功")
}

// BorrowBook 借书
func (c *BookController) BorrowBook() {
	bookIds := c.GetString(":bookIds")
	customerId := c.GetString(":customerId")
	org := c.Context.Get("org").(model.SysOrg)
	bookId := strings.Split(bookIds, ",")
	for i := 0; i < len(bookId); i++ {
		_, err := c.serv.BorrowBook(bookId[i], customerId, org.OrgId)
		if err != nil {
			c.ResponseError(err)
		}
	}
	c.ResponseJSON("借阅成功")
}

// ReturnBook 还书
func (c *BookController) ReturnBook() {
	bookIds := c.GetString(":borrowIds")
	bookId := strings.Split(bookIds, ",")
	for i := 0; i < len(bookId); i++ {
		err := c.serv.ReturnBook(bookId[i])
		if err != nil {
			c.ResponseError(err)
		}
	}
	c.ResponseJSON("归还成功")
}

// ReserveBook 图书预约
func (c *BookController) ReserveBook() {
	bookid := c.GetString(":bookid")
	record, err := c.serv.ReserveBook(bookid)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(record)
}

// GetCustomerReturnList 获取用户还书记录
func (c *BookController) GetCustomerReturnList() {
	customerInfo := c.GetString(":customerInfo")
	caseIDs := c.GetString("caseid")
	if caseIDs == "" {
		cases := c.Context.Get("cases").([]model.SysUserCase)
		caseIDs = c.GetCaseIDs(cases)
	}
	page, _ := c.GetInt("page")
	pagesize, _ := c.GetInt("pagesize")
	list, err := c.serv.GetCustomerReturnList(customerInfo, caseIDs, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(list)
}

// ExcelInpuData EXCEL导入数据
func (c *BookController) ExcelInpuData() {
	caseId := c.GetString("caseId")
	org := c.Context.Get("org").(model.SysOrg)
	file, _, err := c.GetFile("excel")
	if err != nil {
		c.ResponseError(err)
	}
	defer file.Close()

	fileBytes, err := ioutil.ReadAll(file)
	if err != nil {
		c.ResponseError(err)
	}
	xlFile, err := xlsx.OpenBinary(fileBytes)
	if err != nil {
		c.ResponseError(err)
	}
	data, err := c.serv.GetBookTypeByCaseId(caseId)
	if err != nil {
		c.ResponseError(err)
	}
	for _, sheet := range xlFile.Sheets {
		for key, row := range sheet.Rows {
			if key == 0 {
				continue
			}
			if row.Cells[0].String() == "" {
				continue
			}
			total, err := row.Cells[2].Int()
			if err != nil {
				c.ResponseError(err)
			}
			Days, err := row.Cells[3].Int()
			if err != nil {
				c.ResponseError(err)
			}
			bookTypeId, has := data[row.Cells[4].String()]
			if !has {
				c.ResponseError(fmt.Errorf("图书分类【%s】不存在", row.Cells[4].String()))
			}
			var book = model.TaBook{
				CaseId:      caseId,
				BookBarcode: row.Cells[0].String(),
				BookName:    row.Cells[1].String(),
				InStock:     total,
				LeftNum:     total,
				BorrowNum:   0,
				BorrowDays:  Days,
				OrgId:       org.OrgId,
				IsRecommend: 0,
				Price:       "0",
				BookTypeId:  bookTypeId,
			}
			err = c.serv.AuthBook(book)
			if err != nil {
				c.ResponseError(err)
			}
			_, err = c.serv.AddBook(book)
			if err != nil {
				c.ResponseError(err)
			}

		}
	}
	c.ResponseJSON("添加成功")
}

// GetCustomerByCustomerInfo 根据用户手机或条形码获取用户信息
func (c *BookController) GetCustomerByCustomerInfo() {
	customerInfo := c.GetString(":customerInfo")
	customer, err := c.serv.GetCustomerByCustomerInfo(customerInfo)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(customer)
}

// GetRecordList 获取借书，预约记录列表
func (c *BookController) GetRecordList() {
	borrowStatus := c.GetString("borrowstatus")
	caseIDs := c.GetString("caseid")
	if caseIDs == "" {
		cases := c.Context.Get("cases").([]model.SysUserCase)
		caseIDs = c.GetCaseIDs(cases)
	}
	customerName := c.GetString("customername")
	customerPhone := c.GetString("customerphone")
	bookName := c.GetString("bookname")
	barcode := c.GetString("barcode")
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}
	pagesize, _ := c.GetInt("pagesize")
	list, err := c.serv.GetRecordList(borrowStatus, caseIDs, customerName, customerPhone, bookName, barcode, page, pagesize)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(list)
}

func (c *BookController) CancelReserve() {
	recordId := c.GetString(":recordId")
	err := c.serv.CancelReserve(recordId)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON("取消成功")
}

func (c *BookController) DeleteBook() {
	bookId := c.GetString(":bookId")
	err := c.serv.DeleteBook(bookId)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON("删除成功")

}
func (c *BookController) GetBookById() {
	bookId := c.GetString(":bookId")
	list, err := c.serv.GetBookById(bookId)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(list)
}

func (c *BookController) GetCustomerBorrowInfo() {
	customerInfo := c.GetString(":customerInfo")
	list, err := c.serv.GetCustomerBorrowInfo(customerInfo)
	if err != nil {
		c.ResponseError(err)
	}
	c.ResponseJSON(list)
}