package main

import (
	"fmt"
	"time"

	"github.com/yitter/idgenerator-go/idgen"
)

func SetOptions(workerId uint16) {
	var options = idgen.NewIdGeneratorOptions(workerId)
	idgen.SetIdGenerator(options)
}

func NextId() int64 {
	return idgen.NextId()
}

func main() {
	// 自定义参数
	var options = idgen.NewIdGeneratorOptions(1)
	options.WorkerIdBitLength = 6
	options.SeqBitLength = 10
	options.BaseTime = time.Date(2020, 2, 20, 2, 20, 2, 20, time.UTC).UnixNano() / 1e6
	idgen.SetIdGenerator(options)

	var genCount = 500000
	for j := 0; j < 100000; j++ {
		for {
			var begin = time.Now().UnixNano() / 1e6
			for i := 0; i < genCount; i++ {
				// 生成ID
				idgen.NextId()
				// fmt.Println(id)
			}
			var end = time.Now().UnixNano() / 1e6

			fmt.Println("耗时：", (end - begin), "ms")
			time.Sleep(time.Duration(1000) * time.Millisecond)
		}
	}
}

// To Build a dll/so：

// windows:
// go build -o ./target/yitidgengo.dll -buildmode=c-shared main.go

// linux init: go install -buildmode=shared -linkshared std
// go build -o ./target/yitidgengo.so -buildmode=c-shared main.go

// https://books.studygolang.com/advanced-go-programming-book/ch2-cgo/ch2-09-static-shared-lib.html