package constant

import (
	"time"

	"github.com/jinzhu/now"
)

// 需要自定义类型的常量放在这里

type General = int

// 不在dao层中使用，在dao层使用models.No, models.Yes
const (
	YES General = 1 // 是
	NO  General = 2 // 否
)

// UploadFileType 上传文件类型
type UploadFileType = int

const (
	UploadFileTypePic   UploadFileType = 1 // 普通图片
	UploadFileTypePdf   UploadFileType = 2 // pdf
	UploadFileTypeExcel UploadFileType = 3 // excel
	ExportFileTypeExcel UploadFileType = 3 // 导出的excel文件
)

const MaxFileSize int64 = 10 * 1024 * 1024

// ==========================================

type SearchDateTimeType string

const (
	Today         SearchDateTimeType = "today"         // 今天
	Yesterday     SearchDateTimeType = "yesterday"     // 昨天
	ThisWeek      SearchDateTimeType = "thisWeek"      // 本周
	ThisMonth     SearchDateTimeType = "thisMonth"     // 本月
	LastThreeDays SearchDateTimeType = "lastThreeDays" // 近三天
	LastSevenDays SearchDateTimeType = "lastSevenDays" // 近七天
	LastMonthDays SearchDateTimeType = "lastMonthDays" // 近一个月
)

func (s SearchDateTimeType) GetRangeTime() (startTime, endTime time.Time) {
	switch s {
	case Today:
		return now.BeginningOfDay(), now.EndOfDay()
	case Yesterday:
		t := time.Now().AddDate(0, 0, -1)
		nTime := now.New(t)
		return nTime.BeginningOfDay(), nTime.EndOfDay()
	case ThisWeek:
		return now.BeginningOfWeek(), now.EndOfWeek()
	case ThisMonth:
		return now.BeginningOfMonth(), now.EndOfMonth()
	case LastThreeDays:
		return now.New(time.Now().AddDate(0, 0, -2)).BeginningOfDay(), now.EndOfDay()
	case LastSevenDays:
		return now.New(time.Now().AddDate(0, 0, -6)).BeginningOfDay(), now.EndOfDay()
	case LastMonthDays:
		return now.New(time.Now().AddDate(0, 0, -29)).BeginningOfDay(), now.EndOfDay()
	default:
		return time.Time{}, time.Time{}
	}
}

type PermissionType = int

const (
	PermissionPathSplit string         = ";"
	PermissionMenu      PermissionType = 1 // 菜单权限
	PermissionFunc      PermissionType = 2 // 功能权限
)

// ExpiredTime 过期时间
type ExpiredTime string

const (
	ExpiredTimeOneDay   ExpiredTime = "oneDay"   // 一天；24小时
	ExpiredTimeThreeDay ExpiredTime = "threeDay" // 三天
	ExpiredTimeSevenDay ExpiredTime = "sevenDay" // 七天
)

func (e ExpiredTime) GetExpiredTime() time.Time {
	switch e {
	case ExpiredTimeOneDay:
		return time.Now().AddDate(0, 0, 1)
	case ExpiredTimeThreeDay:
		return time.Now().AddDate(0, 0, 3)
	case ExpiredTimeSevenDay:
		return time.Now().AddDate(0, 0, 7)
	default:
		return time.Time{}
	}
}