package main

import (
	"context"
	"fmt"
	"math/rand"
	"time"

	devtodev "devtodev-sdk"
)

func main() {
	rand.Seed(time.Now().UnixNano())

	appID := "2d942fe9-c1d3-081c-bdb3-ec6080273fe6"
	client := devtodev.NewClient(appID)
	client.Compression = devtodev.CompressionNone

	ctx := context.Background()
	userCount := rand.Intn(2) + 2 // 2-3 users

	for u := 0; u < userCount; u++ {
		deviceID := fmt.Sprintf("device-%d", rand.Int63())
		base := time.Now().Add(time.Duration(-rand.Intn(120)) * time.Second)
		level := rand.Intn(20) + 1

		reporter := devtodev.NewReporter(client, deviceID)
		reporter.Package = devtodev.Package{
			Language: "en",
			Country:  "US",
		}

		if _, err := reporter.DeviceInfo(ctx, base.UnixMilli(), map[string]interface{}{
			"platform": "ios",
			"device":   "iPhone14,3",
		}); err != nil {
			panic(err)
		}

		if _, err := reporter.SessionStart(ctx, base.Add(2*time.Second).UnixMilli(), level, nil); err != nil {
			panic(err)
		}

		// 2-4 user engagement heartbeats
		ueCount := rand.Intn(3) + 2
		for i := 0; i < ueCount; i++ {
			if _, err := reporter.UserEngagement(ctx, base.Add(time.Duration(10*(i+1))*time.Second).UnixMilli(), level, 10, nil); err != nil {
				panic(err)
			}
		}

		// 1-3 real payments, each price 5-10
		payments := rand.Intn(3) + 1
		for i := 0; i < payments; i++ {
			price := float64(rand.Intn(6) + 5)
			if _, err := reporter.RealPayment(
				ctx,
				base.Add(time.Duration(60+(i*10))*time.Second).UnixMilli(),
				level,
				fmt.Sprintf("com.demo.product.%d", rand.Intn(5)+1),
				fmt.Sprintf("order-%d-%d", time.Now().UnixNano(), i),
				price,
				"USD",
				nil,
			); err != nil {
				panic(err)
			}
		}
	}

	fmt.Printf("sent events for %d users\n", userCount)
}