package subconfigs

import (
	"fmt"
	"time"

	"git.x2erp.com/qdy/go-base/config/core"
)

// MongoDBConfig MongoDB客户端配置
type MongoDBConfig struct {
	core.BaseConfig
	URI         string `yaml:"uri" desc:"MongoDB连接URI，如：mongodb://localhost:27017"`
	Database    string `yaml:"database" desc:"默认数据库名称"`
	Username    string `yaml:"username" desc:"用户名（可选）"`
	Password    string `yaml:"password" desc:"密码（可选）"`
	AuthSource  string `yaml:"authSource" desc:"认证数据库，默认：admin"`
	MaxPoolSize uint64 `yaml:"maxPoolSize" desc:"最大连接池大小"`
	MinPoolSize uint64 `yaml:"minPoolSize" desc:"最小连接池大小"`
	SSL         bool   `yaml:"ssl" desc:"是否使用SSL连接"`
	Timeout     int    `yaml:"timeout" desc:"连接超时时间（秒）"`
}

func (c *MongoDBConfig) Description() string {
	return "MongoDB数据库连接配置"
}

// NewMongoDBConfig 创建MongoDB配置实例
func NewMongoDBConfig() *MongoDBConfig {
	return &MongoDBConfig{}
}

// SetDefaults 设置默认值
func (c *MongoDBConfig) SetDefaults() {
	c.Username = ""
	c.Password = ""
	c.MaxPoolSize = 100
	c.MinPoolSize = 10
	c.SSL = false
	c.Timeout = 30
}

func (c *MongoDBConfig) GetTimeout() time.Duration {
	return time.Duration(c.Timeout) * time.Second
}

// Load 从YAML数据加载配置
func (c *MongoDBConfig) Load(data map[string]interface{}) error {
	return c.LoadFromYAML(data, c)
}

// Validate 验证配置
func (c *MongoDBConfig) Validate() error {
	if c.URI == "" {
		return fmt.Errorf("mongodb URI must be configured")
	}
	if c.Database == "" {
		return fmt.Errorf("mongodb database name must be configured")
	}
	if c.MaxPoolSize < c.MinPoolSize {
		return fmt.Errorf("maxPoolSize must be greater than or equal to minPoolSize")
	}
	if c.Timeout <= 0 {
		return fmt.Errorf("timeout must be a positive integer")
	}

	return nil
}

// IsConfigured 检查是否已配置
func (c *MongoDBConfig) IsConfigured() bool {
	return c.URI != "" && c.Database != ""
}

// 自动注册
func init() {
	core.Register("mongodb", &MongoDBConfig{})
}