package getter

import (
	"fmt"
	"time"

	configv1 "gitea.timerzz.com/kedaya_haitao/proxy-detector/config"
	"gitea.timerzz.com/kedaya_haitao/proxy-detector/log"
	"gitea.timerzz.com/kedaya_haitao/proxy-detector/pkg/proxy/structs"
	"github.com/go-resty/resty/v2"
	"github.com/metacubex/mihomo/adapter"
	clash_config "github.com/metacubex/mihomo/config"
	"gopkg.in/yaml.v3"
)

func init() {
	Register("clash", NewClashGetter)
}

type Clash struct {
	cfg configv1.CrawOption
	cli *resty.Client
}

func (c *Clash) Get() (proxies []structs.Proxy) {
	urls := c.cfg.Urls()
	for _, u := range urls {
		fmt.Printf("fetching %s\n", u)
		var clashConfig clash_config.RawConfig
		resp, err := c.cli.R().Get(u)
		if err != nil {
			log.Errorln("get clash config error: %s", err.Error())
			return nil
		}
		err = yaml.Unmarshal(resp.Body(), &clashConfig)
		if err != nil {
			log.Errorln("decode clash config error: %s", err.Error())
			return nil
		}
		for _, mapping := range clashConfig.Proxy {
			proxy, _ := adapter.ParseProxy(mapping)
			if proxy != nil {
				proxies = append(proxies, structs.NewProxy(proxy, mapping))
			}
		}
	}

	return proxies
}

func NewClashGetter(options configv1.CrawOption) (getter Getter, err error) {
	if options.Url != "" {
		return &Clash{
			cfg: options,
			cli: resty.New().SetTimeout(time.Second * 30),
		}, nil
	}
	return nil, ErrorUrlNotFound
}