package controllers

import (
	"ERP_ams/Nats/NatsServer"
	"ERP_ams/conf"
	"ERP_ams/models/Account"
	"ERP_ams/models/Attendance"
	"fmt"
	beego "github.com/beego/beego/v2/server/web"
	userlibs "gogs.baozhida.cn/zoie/ERP_libs/User"
	"gogs.baozhida.cn/zoie/ERP_libs/lib"
	"math"
	"strconv"
	"time"
)

type LeaveController struct {
	beego.Controller
	User userlibs.User
}

func (c *LeaveController) Prepare() {
	c.User = *Account.User_r
}

// 管理员请假审批列表 只显示待审核
func (c *LeaveController) Leave_List() {
	var r_jsons lib.R_JSONS

	page, _ := c.GetInt("page")

	if page < 1 {
		page = 1
	}
	page_z, _ := c.GetInt("page_z")
	if page_z < 1 {
		page_z = conf.Page_size
	}
	userList, _ := NatsServer.Read_User_List_All()
	Account.Read_User_All_Map(userList)
	r_jsons.Data, r_jsons.Num = Attendance.Read_Attendance_List("", c.User.T_uuid, 0, Attendance.AttendanceWaitAudit, page, page_z)
	r_jsons.Page = page
	r_jsons.Page_size = int(math.Ceil(float64(r_jsons.Num) / float64(page_z)))

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_User_List() {
	var r_jsons lib.R_JSONS

	page, _ := c.GetInt("page")

	if page < 1 {
		page = 1
	}
	page_z, _ := c.GetInt("page_z")
	if page_z < 1 {
		page_z = conf.Page_size
	}
	T_uuid := c.GetString("T_uuid")
	if len(T_uuid) == 0 {
		T_uuid = c.User.T_uuid
	}

	userList, _ := NatsServer.Read_User_List_All()
	Account.Read_User_All_Map(userList)
	r_jsons.Data, r_jsons.Num = Attendance.Read_Attendance_List(T_uuid, "", 0, 0, page, page_z)
	r_jsons.Page = page
	r_jsons.Page_size = int(math.Ceil(float64(r_jsons.Num) / float64(page_z)))

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

// 财务
func (c *LeaveController) Leave_Finance_List() {
	var r_jsons lib.R_JSONS

	T_uuid := c.GetString("T_uuid")
	if len(T_uuid) == 0 {
		T_uuid = c.User.T_uuid
	}
	// 年月 2023-01
	T_month := c.GetString("T_month")
	if len(T_month) > 0 {
		_, err := time.Parse("2006-01", T_month)
		if err != nil {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "日期格式错误!"}
			c.ServeJSON()
			return
		}
	}
	r_jsons.Data = Attendance.Read_Attendance_List_For_Finance(T_uuid, T_month)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_Type_List() {
	T_deduct, _ := c.GetInt("T_deduct")

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: Attendance.Read_AttendanceType_All(T_deduct)}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_Add() {
	T_type, _ := c.GetInt("T_type")
	T_start_time := c.GetString("T_start_time")
	T_end_time := c.GetString("T_end_time")
	T_duration, _ := c.GetInt("T_duration")
	T_text := c.GetString("T_text")
	T_approver := c.GetString("T_approver")
	startTime, is := lib.TimeStrToTime(T_start_time)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
		c.ServeJSON()
		return
	}
	endTime, is := lib.TimeStrToTime(T_end_time)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
		c.ServeJSON()
		return
	}

	if startTime.After(endTime) {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "开始时间不能大于结束时间"}
		c.ServeJSON()
		return
	}
	if T_type == Attendance.AttendanceDaysOff {
		duration := Attendance.GetRemainingDaysOff(c.User.T_uuid)
		if T_duration > duration {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "超过可调休时长!"}
			c.ServeJSON()
			return
		}
	}

	var_ := Attendance.Attendance{
		T_uid:        c.User.T_uuid,
		T_type:       T_type,
		T_start_time: startTime,
		T_end_time:   endTime,
		T_duration:   T_duration,
		T_text:       T_text,
		T_approver:   T_approver,
		T_State:      Attendance.AttendanceWaitAudit,
	}

	Id, err := Attendance.Add_Attendance(var_)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败"}
		c.ServeJSON()
		return
	}

	NatsServer.AddUserLogs(c.User.T_uuid, "我的请假", "添加", var_)
	NatsServer.AddNews(T_approver, fmt.Sprintf("【请假审批】您有一条%s的请假审批待处理", c.User.T_name), conf.LeaveApprovalNewsUrl)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: Id}
	c.ServeJSON()
	return
}

// 扣除
func (c *LeaveController) Leave_Deduct() {
	T_type, _ := c.GetInt("T_type")
	T_duration, _ := c.GetInt("T_duration")
	T_month := c.GetString("T_month")
	T_text := c.GetString("T_text")
	T_uuid := c.GetString("T_uuid")

	month, is := lib.MonthStrToTime(T_month)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
		c.ServeJSON()
		return
	}

	duration := Attendance.GetRemainingDaysOff(T_uuid)
	if T_duration > duration {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "超过加班总时长!"}
		c.ServeJSON()
		return
	}

	month = month.AddDate(0, 1, -1)

	var_ := Attendance.Attendance{
		T_uid:        T_uuid,
		T_type:       T_type + 100,
		T_duration:   T_duration,
		T_text:       T_text,
		T_approver:   c.User.T_uuid,
		T_start_time: month,
		T_end_time:   month,
		T_State:      Attendance.AttendancePass,
	}

	Id, err := Attendance.Add_Attendance(var_)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败"}
		c.ServeJSON()
		return
	}

	NatsServer.AddUserLogs(c.User.T_uuid, "我的请假", "扣除", var_)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: Id}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_Update() {
	T_id, _ := c.GetInt("T_id")
	T_type, _ := c.GetInt("T_type")
	T_start_time := c.GetString("T_start_time")
	T_end_time := c.GetString("T_end_time")
	T_duration, _ := c.GetInt("T_duration")
	T_text := c.GetString("T_text")
	T_approver := c.GetString("T_approver")

	leave, err := Attendance.Read_Attendance_ById(T_id)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "T_id Err!"}
		c.ServeJSON()
		return
	}

	if leave.T_State == Attendance.AttendancePass {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "请假审批已通过，禁止修改!"}
		c.ServeJSON()
		return
	}

	if T_type > 0 {
		leave.T_type = T_type
	}

	if len(T_start_time) > 0 {
		startTime, is := lib.TimeStrToTime(T_start_time)
		if !is {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
			c.ServeJSON()
			return
		}
		leave.T_start_time = startTime

	}
	if len(T_end_time) > 0 {
		endTime, is := lib.TimeStrToTime(T_end_time)
		if !is {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
			c.ServeJSON()
			return
		}
		leave.T_end_time = endTime
	}

	if T_duration > 0 {
		leave.T_duration = T_duration
	}

	if len(T_text) > 0 {
		leave.T_text = T_text
	}
	if len(T_approver) > 0 {
		leave.T_approver = T_approver
	}
	leave.T_State = Attendance.AttendanceWaitAudit

	_, err = Attendance.Update_Attendance(leave, "T_type", "T_start_time", "T_end_time", "T_duration", "T_text", "T_approver", "T_State")
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败"}
		c.ServeJSON()
		return
	}

	NatsServer.AddUserLogs(c.User.T_uuid, "我的请假", "修改", leave)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: T_id}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_Approval() {
	T_id, _ := c.GetInt("T_id")
	T_State, _ := c.GetInt("T_State")
	leave, err := Attendance.Read_Attendance_ById(T_id)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "T_id Err!"}
		c.ServeJSON()
		return
	}

	if leave.T_approver != c.User.T_uuid {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "无权操作!"}
		c.ServeJSON()
		return
	}

	T_State_str := ""
	if T_State == 1 {
		leave.T_State = Attendance.AttendancePass
		T_State_str = "已通过"
	}

	if T_State == 0 {
		leave.T_State = Attendance.AttendanceNotPass
		T_State_str = "未通过"
	}

	id, err := Attendance.Update_Attendance(leave, "T_State")
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败"}
		c.ServeJSON()
		return
	}

	NatsServer.AddUserLogs(c.User.T_uuid, "我的请假", "审批", leave)
	NatsServer.AddNews(leave.T_uid, "【请假申请】您的请假申请审批"+T_State_str, conf.MyLeaveNewsUrl)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: id}
	c.ServeJSON()
	return
}

func (c *LeaveController) Leave_Del() {
	T_id, _ := c.GetInt("T_id")

	leave, err := Attendance.Read_Attendance_ById(T_id)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "T_id Err!"}
		c.ServeJSON()
		return
	}

	if leave.T_State == Attendance.AttendancePass {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "请假审批已通过，禁止删除!"}
		c.ServeJSON()
		return
	}

	id, err := Attendance.Delete_Attendance(leave)
	if err != nil {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "删除失败!"}
		c.ServeJSON()
		return
	}

	NatsServer.AddUserLogs(c.User.T_uuid, "我的请假", "删除", strconv.Itoa(T_id))

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: id}
	c.ServeJSON()
	return
}

// 获取剩余调休时长
func (c *LeaveController) Leave_RemainingDaysOff() {

	duration := Attendance.GetRemainingDaysOff(c.User.T_uuid)
	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: duration}
	c.ServeJSON()
	return
}

// 计算请假时长
func (c *LeaveController) Leave_Duration() {

	T_start_time := c.GetString("T_start_time")
	T_end_time := c.GetString("T_end_time")

	startTime, is := lib.TimeStrToTime(T_start_time)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
		c.ServeJSON()
		return
	}
	endTime, is := lib.TimeStrToTime(T_end_time)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式不正确"}
		c.ServeJSON()
		return
	}
	endTime2 := time.Date(endTime.Year(), endTime.Month(), endTime.Day()-1, 17, 30, 0, 0, time.Local)
	endTime3 := time.Date(endTime.Year(), endTime.Month(), endTime.Day(), 9, 0, 0, 0, time.Local)

	endTime4 := time.Date(endTime.Year(), endTime.Month(), endTime.Day(), 17, 30, 0, 0, time.Local)
	endTime5 := time.Date(endTime.Year(), endTime.Month(), endTime.Day()+1, 9, 0, 0, 0, time.Local)
	if endTime.After(endTime2) && endTime.Before(endTime3) {
		endTime = endTime2
	}

	if endTime.After(endTime4) && endTime.Before(endTime5) {
		endTime = endTime4
	}

	startTime2 := time.Date(startTime.Year(), startTime.Month(), startTime.Day()-1, 17, 30, 0, 0, time.Local)
	startTime3 := time.Date(startTime.Year(), startTime.Month(), startTime.Day(), 9, 0, 0, 0, time.Local)

	startTime4 := time.Date(startTime.Year(), startTime.Month(), startTime.Day(), 17, 30, 0, 0, time.Local)
	startTime5 := time.Date(startTime.Year(), startTime.Month(), startTime.Day()+1, 9, 0, 0, 0, time.Local)
	if startTime.After(startTime2) && startTime.Before(startTime3) {
		startTime = startTime3
	}

	if startTime.After(startTime4) && startTime.Before(startTime5) {
		startTime = startTime5
	}

	if startTime.After(endTime) {
		c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: 0}
		c.ServeJSON()
		return
	}

	//开始时间的小时和分钟
	s_h := startTime.Hour()
	s_mm := startTime.Minute()
	e_h := endTime.Hour()
	e_mm := endTime.Minute()
	diff_day := int(endTime.Sub(startTime).Hours() / 24) // 间隔天数
	var diff_hours float32                               // 间隔小时
	var diff_minutes float32                             // 间隔分钟

	if e_mm < s_mm {
		// 结束分钟数<开始分钟数，向小时借
		e_mm += 60
		e_h--
	}
	diff_minutes = float32(e_mm - s_mm)
	if diff_day > 1 {
		// 跨天
		diff_hours = 17.5 - float32(s_h) + float32(e_h-9)
		// 如果开始时间小于12点 请假小时数-1
		// 如果结束时间大于13点，请假小时数-1
		if s_h <= 12 {
			diff_hours = diff_hours - 1
		}
		if e_h >= 13 {
			diff_hours = diff_hours - 1
		}
	} else {
		// 不跨天
		// 开始时间-结束时间跨越午休时间，间隔小时数-1
		diff_hours = float32(e_h - s_h)
		if s_h <= 12 && e_h >= 13 {
			diff_hours = float32(e_h - s_h - 1)
		}

	}
	if diff_day > 1 {
		diff_day -= 1
	}
	diff_day_hours := float32(diff_day) * 7.5
	diff_m := int((diff_day_hours+diff_hours)*60 + diff_minutes) // 分钟数量

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: diff_m}
	c.ServeJSON()
	return
}