package utils

import (
	"encoding/json"
	"errors"
	"time"
)

// https://github.com/ZFC-Digital/cf-clearance-scraper

type ccsRequest struct {
	Url     string `json:"url"`
	Mode    string `json:"mode"`
	SiteKey string `json:"siteKey"`
}

type WAFSession struct {
	Cookies []struct {
		Name         string  `json:"name"`
		Value        string  `json:"value"`
		Domain       string  `json:"domain"`
		Path         string  `json:"path"`
		Expires      float64 `json:"expires"`
		Size         int     `json:"size"`
		HTTPOnly     bool    `json:"httpOnly"`
		Secure       bool    `json:"secure"`
		Session      bool    `json:"session"`
		SameSite     string  `json:"sameSite"`
		Priority     string  `json:"priority"`
		SameParty    bool    `json:"sameParty"`
		SourceScheme string  `json:"sourceScheme"`
		PartitionKey string  `json:"partitionKey"`
	} `json:"cookies"`
	Headers map[string]string `json:"headers"`
	Code    int               `json:"code"`
}

func CCSWAFSession(ccsUrl string, requestUrl string) (*WAFSession, error) {
	data := ccsRequest{
		Url:  requestUrl,
		Mode: "waf-session",
	}
	resp, err := Fetch(FetchConfig{
		Url:     ccsUrl,
		Method:  "POST",
		Data:    data,
		Timeout: 60 * time.Second,
	})
	if err != nil {
		return nil, err
	}
	var response WAFSession
	err = json.Unmarshal(resp.Data, &response)
	if err != nil {
		return nil, err
	}
	if response.Code != 200 {
		return nil, errors.New("failed to get WAF session")
	}
	return &response, nil
}

func CCSSource(ccsUrl string, requestUrl string) (string, error) {
	data := ccsRequest{
		Url:  requestUrl,
		Mode: "source",
	}
	resp, err := Fetch(FetchConfig{
		Url:     ccsUrl,
		Method:  "POST",
		Data:    data,
		Timeout: 60 * time.Second,
	})
	if err != nil {
		return "", err
	}
	type response struct {
		Source string `json:"source"`
		Code   int    `json:"code"`
	}
	var ccsResp response
	err = json.Unmarshal(resp.Data, &ccsResp)
	if err != nil {
		return "", err
	}
	if ccsResp.Code != 200 {
		return "", errors.New("failed to get source")
	}
	return ccsResp.Source, nil
}

func CCSTurnstileToken(ccsUrl string, requestUrl string, siteKey string) (string, error) {
	data := ccsRequest{
		Url:     requestUrl,
		Mode:    "turnstile-min",
		SiteKey: siteKey,
	}
	resp, err := Fetch(FetchConfig{
		Url:     ccsUrl,
		Method:  "POST",
		Data:    data,
		Timeout: 60 * time.Second,
	})
	if err != nil {
		return "", err
	}
	var ccsResp struct {
		Token string `json:"token"`
		Code  int    `json:"code"`
	}
	err = json.Unmarshal(resp.Data, &ccsResp)
	if err != nil {
		return "", err
	}
	if ccsResp.Code != 200 {
		return "", errors.New("failed to get source")
	}
	return ccsResp.Token, nil
}

func CCSTurnstileMaxToken(ccsUrl string, requestUrl string) (string, error) {
	data := ccsRequest{
		Url:  requestUrl,
		Mode: "turnstile-max",
	}
	resp, err := Fetch(FetchConfig{
		Url:     ccsUrl,
		Method:  "POST",
		Data:    data,
		Timeout: 60 * time.Second,
	})
	if err != nil {
		return "", err
	}
	var ccsResp struct {
		Token string `json:"token"`
		Code  int    `json:"code"`
	}
	err = json.Unmarshal(resp.Data, &ccsResp)
	if err != nil {
		return "", err
	}
	if ccsResp.Code != 200 {
		return "", errors.New("failed to get source")
	}
	return ccsResp.Token, nil
}