package format

import (
	"fmt"
	"strings"
	"time"
)

type TypeFormatS3KeyName int

const (
	TypeS3KeyUser  TypeFormatS3KeyName = 1 // 登录用户
	TypeS3KeyGuest TypeFormatS3KeyName = 2 // 游客
)

type TypeCategory string

const TCategoryPersonalization TypeCategory = "personalization"
const TCategory3DTools TypeCategory = "3dtools"
const TCategoryQuotation TypeCategory = "quotation"
const TCategoryRenderMegre TypeCategory = "render_megre"
const TCategoryImage TypeCategory = "image"

var CategoryMap = map[string]bool{
	string(TCategoryPersonalization): true,
	string(TCategory3DTools):         true,
	string(TCategoryQuotation):       true,
	string(TCategoryRenderMegre):     true,
	string(TCategoryImage):           true,
}

// FormatS3KeyName 需要输入选
func FormatS3KeyName(keytype TypeFormatS3KeyName, uid int64, now time.Time, env string, category TypeCategory, name string) string {
	if keytype == TypeS3KeyUser {
		return FormatS3KeyNameUser(uid, now, env, category, name)
	} else if keytype == TypeS3KeyGuest {
		return FormatS3KeyNameGuest(uid, now, env, category, name)
	} else {
		panic("key type error")
	}
}

// FormatS3KeyNameUser
func FormatS3KeyNameUser(userid int64, now time.Time, env string, category TypeCategory, name string) string {
	year, month, _ := now.Date()
	names := strings.Split(name, ".")
	var ext string
	if len(names) == 1 {
		name = names[0]
	} else if len(names) == 2 {
		name = names[0]
		ext = names[1]
	}

	switch category {
	case TCategoryImage:
		return fmt.Sprintf("/%s/%s/%d/%s_%d.%s", env, category, userid, name, now.UnixNano(), ext)
	case TCategoryPersonalization:
		//   /{env}/personalization/{userid}/{filename}
		return fmt.Sprintf("/%s/%s/%d/%s.%s", env, category, userid, name, ext)
	case TCategoryRenderMegre:
		//   /{env}/render_megre/{userid}/{filename} 自动删除
		return fmt.Sprintf("/%s/%s/%d/%s_%d.%s", env, category, userid, name, now.UnixNano(), ext)
	case TCategory3DTools:
		//   /{env}/3dtools/年月/{userid}/{filename}
		return fmt.Sprintf("/%s/%s/%04d%02d/%d/%s_%d.%s", env, category, year, int(month), userid, name, now.UnixNano(), ext)
	case TCategoryQuotation:
		//   /{env}/quotation/年月/{userid}/{filename}
		return fmt.Sprintf("/%s/%s/%04d%02d/%d/%s_%d.%s", env, category, year, int(month), userid, name, now.UnixNano(), ext)
	default:
		return fmt.Sprintf("/%s/%s/%d/%04d%02d/%s_%d.%s", env, category, userid, year, int(month), name, now.UnixNano(), ext)
	}

}

// FormatS3KeyNameGuest   游客的格式化存储
func FormatS3KeyNameGuest(guestid int64, now time.Time, env string, category TypeCategory, name string) string {
	year, month, _ := now.Date()
	names := strings.Split(name, ".")
	var ext string
	if len(names) == 1 {
		name = names[0]
	} else if len(names) == 2 {
		name = names[0]
		ext = names[1]
	}

	switch category {
	case TCategoryImage:
		return fmt.Sprintf("/%s/%s/g/%d/%s_%d.%s", env, category, guestid, name, now.UnixNano(), ext)
	case TCategoryPersonalization:
		//   /{env}/personalization/g/{guestid}/{filename}
		return fmt.Sprintf("/%s/%s/g/%d/%s.%s", env, category, guestid, name, ext)
	case TCategoryRenderMegre:
		//   /{env}/render_megre/{guestid}/{filename} 自动删除
		return fmt.Sprintf("/%s/%s/g/%d/%s_%d.%s", env, category, guestid, name, now.UnixNano(), ext)
	case TCategory3DTools:
		panic(TCategory3DTools + "不存在游客")
		//   /{env}/3dtools/年月/{guestid}/{filename}
		// return fmt.Sprintf("/%s/%s/%04d%02d/%d/%s_%d.%s", env, category, year, int(month), guestid, name, now.UnixNano(), ext)
	case TCategoryQuotation:
		panic(TCategoryQuotation + "不存在游客")
		//   /{env}/quotation/年月/{guestid}/{filename}
		// return fmt.Sprintf("/%s/%s/%04d%02d/%d/%s_%d.%s", env, category, year, int(month), guestid, name, now.UnixNano(), ext)
	default:
		return fmt.Sprintf("/%s/%s/g/%d/%04d%02d/%s_%d.%s", env, category, guestid, year, int(month), name, now.UnixNano(), ext)
	}

}

// generateS3KeyName 生成