// Package bevigil logic
package bevigil

import (
	"context"
	"fmt"

	jsoniter "github.com/json-iterator/go"

	"github.com/projectdiscovery/subfinder/v2/pkg/subscraping"
)

type Response struct {
	Domain     string   `json:"domain"`
	Subdomains []string `json:"subdomains"`
}

type Source struct {
	apiKeys []string
}

func (s *Source) Run(ctx context.Context, domain string, session *subscraping.Session) <-chan subscraping.Result {
	results := make(chan subscraping.Result)
	go func() {
		defer close(results)

		randomApiKey := subscraping.PickRandom(s.apiKeys, s.Name())
		if randomApiKey == "" {
			return
		}

		getUrl := fmt.Sprintf("https://osint.bevigil.com/api/%s/subdomains/", domain)

		resp, err := session.Get(ctx, getUrl, "", map[string]string{"X-Access-Token": randomApiKey, "User-Agent": "subfinder"})
		if err != nil {
			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Error, Error: err}
			session.DiscardHTTPResponse(resp)
			return
		}

		var subdomains []string
		var response Response
		err = jsoniter.NewDecoder(resp.Body).Decode(&response)
		if err != nil {
			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Error, Error: err}
			resp.Body.Close()
			return
		}

		resp.Body.Close()

		if len(response.Subdomains) > 0 {
			subdomains = response.Subdomains
		}

		for _, subdomain := range subdomains {
			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Subdomain, Value: subdomain}
		}
	}()

	return results
}

func (s *Source) Name() string {
	return "bevigil"
}

func (s *Source) IsDefault() bool {
	return true
}

func (s *Source) HasRecursiveSupport() bool {
	return false
}

func (s *Source) NeedsKey() bool {
	return true
}

func (s *Source) AddApiKeys(keys []string) {
	s.apiKeys = keys
}