package testutil

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

	"perms-system-server/internal/config"

	"github.com/zeromicro/go-zero/core/stores/cache"
	"github.com/zeromicro/go-zero/core/stores/redis"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
	"golang.org/x/crypto/bcrypt"
)

var testConfig = config.Config{
	MySQL: struct{ DataSource string }{
		DataSource: "root:NsDmWyM@312@tcp(127.0.0.1:3306)/perms_system?charset=utf8mb4&parseTime=true&loc=Asia%2FShanghai",
	},
	CacheRedis: config.CacheRedisConf{
		Nodes: cache.CacheConf{
			{
				RedisConf: redis.RedisConf{
					Host: "127.0.0.1:6379",
					Pass: "NsDmWyM@312",
					Type: "node",
				},
				Weight: 100,
			},
		},
		KeyPrefix: "test_perms",
	},
	Auth: struct {
		AccessSecret  string
		AccessExpire  int64
		RefreshSecret string
		RefreshExpire int64
		ManagementKey string
	}{
		AccessSecret:  "test-access-secret",
		AccessExpire:  7200,
		RefreshSecret: "test-refresh-secret",
		RefreshExpire: 604800,
		ManagementKey: "test-management-key",
	},
}

func GetTestConfig() config.Config {
	return testConfig
}

func GetTestSqlConn() sqlx.SqlConn {
	return sqlx.NewMysql(testConfig.MySQL.DataSource)
}

func GetTestCacheConf() cache.CacheConf {
	return testConfig.CacheRedis.Nodes
}

func GetTestCachePrefix() string {
	return testConfig.CacheRedis.KeyPrefix
}

func UniqueId() string {
	return fmt.Sprintf("t_%d_%d", time.Now().UnixNano(), rand.Intn(100000))
}

func HashPassword(pwd string) string {
	h, _ := bcrypt.GenerateFromPassword([]byte(pwd), bcrypt.MinCost)
	return string(h)
}

func CleanTable(ctx context.Context, conn sqlx.SqlConn, table string, ids ...int64) {
	for _, id := range ids {
		query := fmt.Sprintf("DELETE FROM %s WHERE `id` = ?", table)
		conn.ExecCtx(ctx, query, id)
	}
}

func CleanTableByField(ctx context.Context, conn sqlx.SqlConn, table, field string, value interface{}) {
	query := fmt.Sprintf("DELETE FROM %s WHERE `%s` = ?", table, field)
	conn.ExecCtx(ctx, query, value)
}

// EnsureProduct guarantees that an enabled product with the given code exists in DB.
// 幂等：不存在则插入为 Enabled，存在则强制刷回 Enabled 状态。返回产品 id。
// 通过 INSERT ... ON DUPLICATE KEY UPDATE 避免并发竞争。
func EnsureProduct(ctx context.Context, conn sqlx.SqlConn, code string) int64 {
	now := time.Now().Unix()
	_, err := conn.ExecCtx(ctx,
		"INSERT INTO `sys_product` (`code`,`name`,`appKey`,`appSecret`,`remark`,`status`,`createTime`,`updateTime`) VALUES (?,?,?,?,?,?,?,?) "+
			"ON DUPLICATE KEY UPDATE `status` = 1, `updateTime` = VALUES(`updateTime`)",
		code, code, code+"_k", "s", "", int64(1), now, now)
	if err != nil {
		return 0
	}
	var id int64
	_ = conn.QueryRowCtx(ctx, &id, "SELECT `id` FROM `sys_product` WHERE `code` = ? LIMIT 1", code)
	return id
}