package manager_test

import (
	"context"
	"fmt"
	"os"
	"testing"
	"time"

	"code.yun.ink/pkg/cache_manager/manager"

	"github.com/redis/go-redis/v9"
)

// 本地缓存压测
type testStruct struct {
	A int
	B string
}

func getRedisClient() *redis.Client {
	// 支持通过环境变量覆盖 redis 地址
	addr := os.Getenv("TEST_REDIS_ADDR")
	if addr == "" {
		addr = "10.40.92.54:30379"
	}
	client := redis.NewClient(&redis.Options{
		Addr:     addr,
		Password: "123000",
		DB:       0,
	})
	return client
}

func BenchmarkCacheLocal_SetGet(b *testing.B) {
	cache := manager.NewCacheLocal(time.Minute)

	ctx := context.Background()
	defer cache.Stop()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		key := "key" + fmt.Sprintf("%d", i)
		val := testStruct{A: i, B: "val"}
		_ = cache.Set(ctx, key, val, time.Minute, []int64{int64(i)})
		var out testStruct
		_ = cache.Get(ctx, key, &out)
	}
}

func BenchmarkCacheLocal_Parallel(b *testing.B) {
	cache := manager.NewCacheLocal(time.Minute)
	ctx := context.Background()
	defer cache.Stop()
	b.RunParallel(func(pb *testing.PB) {
		i := 0
		for pb.Next() {
			key := "key" + fmt.Sprintf("%d", i)
			val := testStruct{A: i, B: "val"}
			_ = cache.Set(ctx, key, val, time.Minute, []int64{int64(i)})
			var out testStruct
			_ = cache.Get(ctx, key, &out)
			i++
		}
	})
}

// Redis Hash 缓存压测
func BenchmarkCacheRedisHash_SetGet(b *testing.B) {
	client := getRedisClient()
	cache := manager.NewCacheRedisHash(client, "bench_hash", time.Hour)
	ctx := context.Background()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		key := "key" + fmt.Sprintf("%d", i)
		val := testStruct{A: i, B: "val"}
		_ = cache.Set(ctx, key, val, time.Hour, []int64{int64(i)})
		var out testStruct
		_ = cache.Get(ctx, key, &out)
	}
}

func BenchmarkCacheRedisHash_Parallel(b *testing.B) {
	client := getRedisClient()
	cache := manager.NewCacheRedisHash(client, "bench_hash", time.Hour)
	ctx := context.Background()
	b.RunParallel(func(pb *testing.PB) {
		i := 0
		for pb.Next() {
			key := "key" + fmt.Sprintf("%d", i)
			val := testStruct{A: i, B: "val"}
			_ = cache.Set(ctx, key, val, time.Hour, []int64{int64(i)})
			var out testStruct
			_ = cache.Get(ctx, key, &out)
			i++
		}
	})
}

// Redis String 缓存压测
func BenchmarkCacheRedis_SetGet(b *testing.B) {
	client := getRedisClient()
	ctx := context.Background()
	cache := manager.NewCacheRedis(ctx, client, "bench_str")
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		key := "key" + fmt.Sprintf("%d", i)
		val := testStruct{A: i, B: "val"}
		_ = cache.Set(ctx, key, val, time.Hour, []int64{int64(i)})
		var out testStruct
		_ = cache.Get(ctx, key, &out)
	}
}

func BenchmarkCacheRedis_Parallel(b *testing.B) {
	client := getRedisClient()
	ctx := context.Background()
	cache := manager.NewCacheRedis(ctx, client, "bench_str")
	b.RunParallel(func(pb *testing.PB) {
		i := 0
		for pb.Next() {
			key := "key" + fmt.Sprintf("%d", i)
			val := testStruct{A: i, B: "val"}
			_ = cache.Set(ctx, key, val, time.Hour, []int64{int64(i)})
			var out testStruct
			_ = cache.Get(ctx, key, &out)
			i++
		}
	})
}