package options

import (
	"github.com/spf13/pflag"
)

// ServerRunOptions 服务运行配置
type ServerRunOptions struct {
	Mode        string   `json:"mode"        mapstructure:"mode"`
	Healthz     bool     `json:"healthz"     mapstructure:"healthz"`
	Middlewares []string `json:"middlewares" mapstructure:"middlewares"`
}

func NewServerRunOptions() *ServerRunOptions {

	return &ServerRunOptions{
		Mode:        "release",
		Healthz:     false,
		Middlewares: []string{},
	}
}

func (s *ServerRunOptions) Validate() []error {
	var errors []error

	return errors
}

func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
	// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
	// arrange these text blocks sensibly. Grrr.
	fs.StringVar(&s.Mode, "server.mode", s.Mode, ""+
		"Start the server in a specified server mode. Supported server mode: debug, test, release.")

	fs.BoolVar(&s.Healthz, "server.healthz", s.Healthz, ""+
		"Add self readiness check and install /healthz router.")

	fs.StringSliceVar(&s.Middlewares, "server.middlewares", s.Middlewares, ""+
		"List of allowed middlewares for server, comma separated. If this list is empty default middlewares will be used.")
}