package asynqsvc

import (
	"crypto/tls"
	"kpt-pasture/config"
	"time"

	"gitee.com/xuyiping_admin/pkg/cputil"
	"github.com/hibiken/asynq"
)

type AsynqSetting struct {
	Redis       AsynqRedisSetting `json:"redis" yaml:"redis"`
	Queues      map[string]int    `json:"queues,omitempty" yaml:"queues"`
	Concurrency int               `json:"concurrency,omitempty" yaml:"concurrency"`
	LogLevel    int32             `json:"log_level,omitempty" yaml:"log_level"`
}

func NewAsynqSetting(setting *config.AsynqSetting) *AsynqSetting {
	var curr AsynqSetting
	if err := cputil.DeepCopy(&curr, setting); err != nil {
		panic(err)
	}

	return &curr
}

type AsynqRedisSetting struct {
	// Network type to use, either tcp or unix.
	// Default is tcp.
	Network string `json:"network,omitempty" yaml:"network" env:"ASYNQ_REDIS_NETWORK"`

	// Redis server address in "host:port" format.
	Addr string `json:"addr,omitempty" yaml:"addr" env:"ASYNQ_REDIS_ADDR"`

	// Username to authenticate the current connection when Redis ACLs are used.
	// See: https://redis.io/commands/auth.
	Username string `json:"username,omitempty" yaml:"username" env:"ASYNQ_REDIS_USERNAME"`

	// Password to authenticate the current connection.
	// See: https://redis.io/commands/auth.
	Password string `json:"password,omitempty" yaml:"password" env:"ASYNQ_REDIS_PASSWORD"`

	// Redis DB to select after connecting to a server.
	// See: https://redis.io/commands/select.
	DB int `json:"db,omitempty" yaml:"db" env:"ASYNQ_REDIS_DB"`

	// Dial timeout for establishing new connections.
	// Default is 5 seconds.
	DialTimeout time.Duration `json:"dialTimeout,omitempty" yaml:"dial_timeout" env:"ASYNQ_REDIS_DIAL_TIMEOUT"`

	// Timeout for socket reads.
	// If timeout is reached, read commands will fail with a timeout error
	// instead of blocking.
	//
	// Use value -1 for no timeout and 0 for default.
	// Default is 3 seconds.
	ReadTimeout time.Duration `json:"readTimeout,omitempty" yaml:"read_timeout" env:"ASYNQ_REDIS_READ_TIMEOUT"`

	// Timeout for socket writes.
	// If timeout is reached, write commands will fail with a timeout error
	// instead of blocking.
	//
	// Use value -1 for no timeout and 0 for default.
	// Default is ReadTimout.
	WriteTimeout time.Duration `json:"writeTimeout,omitempty" yaml:"write_timeout" env:"ASYNQ_REDIS_WRITE_TIMEOUT"`

	// Maximum number of socket connections.
	// Default is 10 connections per every CPU as reported by runtime.NumCPU.
	PoolSize int `json:"poolSize,omitempty" yaml:"pool_size" env:"ASYNQ_REDIS_POOL_SIZE"`

	// TLS Config used to connect to a server.
	// TLS will be negotiated only if this field is set.
	TLSConfig *tls.Config `json:"tlsConfig,omitempty" yaml:"tls_config"`
}

func (a *AsynqSetting) Config() asynq.Config {
	return asynq.Config{
		Concurrency:  a.Concurrency,
		Queues:       a.Queues,
		ErrorHandler: asynq.ErrorHandlerFunc(asynqError),
		LogLevel:     asynq.LogLevel(a.LogLevel),
	}
}

func (setting AsynqRedisSetting) RedisClientOpt() asynq.RedisClientOpt {
	return asynq.RedisClientOpt{
		Network:      setting.Network,
		Addr:         setting.Addr,
		Username:     setting.Username,
		Password:     setting.Password,
		DB:           setting.DB,
		DialTimeout:  setting.DialTimeout,
		ReadTimeout:  setting.ReadTimeout,
		WriteTimeout: setting.WriteTimeout,
		PoolSize:     setting.PoolSize,
		TLSConfig:    setting.TLSConfig,
	}
}