package app

import (
	"crypto/sha1"
	"joybuywork/internal/config"
	"joybuywork/internal/consts"
	"joybuywork/internal/plugins/jsonm"
	"encoding/hex"
	"fmt"
	"io"
	"net/http"
	"os"
	"path/filepath"
	"runtime"
	"sync"
)

type Ads struct {
	lc sync.RWMutex
	Ad Ad
}

type Ad struct {
	Webs     []*Web `json:"webs"`
	Accounts struct {
		Test string `json:"test"`
		Prod string `json:"prod"`
	} `json:"accounts"`
}

type Web struct {
	Host string `json:"host"`
	Uris []struct {
		Uri string `json:"uri"`
	} `json:"uris"`
}

var ads = &Ads{}

// AdsInit 初始化数据
func AdsInit(yun string) (err error) {
	var data []byte
	if yun == "" {
		filename := fmt.Sprintf("%s/ads_%s.json", GetAdsFilePath(), config.Config.Server.Env)
		data, err = os.ReadFile(filename)
		if err != nil {
			return
		}
	} else {
		var resp *http.Response
		resp, err = http.Get(yun)
		if err != nil {
			return
		}
		defer resp.Body.Close()

		data, err = io.ReadAll(resp.Body)
		if err != nil {
			return
		}
	}

	ads.lc.Lock()
	ads.Ad = Ad{}
	err = jsonm.Unmarshal(data, &ads.Ad)
	ads.lc.Unlock()

	err = jsonm.Unmarshal([]byte(j1), &ads1.Ad)
	err = jsonm.Unmarshal([]byte(j2), &ads2.Ad)

	return
}

// jr
var ids1 = []int64{143, 374}
var ads1 = &Ads{}
var j1 = `{
  "accounts": {
    "test": "ca-pub-2821871715805907",
    "prod": "ca-pub-2821871715805907"
  },
  "webs": [
    {
      "host": "https://moads-r.allapp.link",
      "uris": [
		{
		  "uri": "/business/helldivers-2-and-dead-island-2-support-studio-toadman-interactive-confirms-layoffs/"
		},
		{
		  "uri": "/business/report-until-dawn-remake-developer-ballistic-moon-is-making-layoffs/"
		},
		{
		  "uri": "/business/creative-uks-latest-fund-offers-up-to-25k-to-north-east-teams/"
		},
		{
		  "uri": "/business/new-steam-tweaks-let-devs-highlight-related-games-and-dlc-on-store-pages/"
		},
		{
		  "uri": "/business/mental-health-in-games-charity-take-this-is-facing-extinction/"
		},
		{
		  "uri": "/finance/yes-network-msg-networks-to-launch-combined-new-york-regional-sports-app/"
		},
		{
		  "uri": "/finance/nvidia-announces-50-billion-stock-buyback/"
		},
		{
		  "uri": "/finance/nvidia-reports-122-revenue-growth-on-surging-demand-for-data-center-chips/"
		},
		{
		  "uri": "/finance/ford-joins-list-of-companies-walking-back-dei-policies/"
		},
		{
		  "uri": "/finance/lego-revenue-jumps-13-in-first-half-of-2024-boosted-by-lego-fortnite-and-diverse-brick-sets/"
		},
		{
		  "uri": "/finance/nordstrom-shares-climb-5-as-earnings-top-estimates-but-retailer-issues-cautious-guidance/"
		},
		{
		  "uri": "/news/civilization-7-interview-firaxis-answers-all-of-our-questions-about-the-anticipated-sequel-gamescom-2024/"
		},
		{
		  "uri": "/news/crimson-desert-is-like-god-of-war-and-dragons-dogma-had-a-baby-gamescom-2024/"
		},
		{
		  "uri": "/news/borderlands-4-announced-with-teaser-trailer-at-opening-night-live-gamescom-2024/"
		},
		{
		  "uri": "/news/indiana-jones-and-the-great-circle-finally-gets-a-release-date-for-xboxand-playstation-gamescom-2024/"
		},
		{
		  "uri": "/news/secret-level-every-video-game-in-the-new-gamescom-trailer/"
		},
		{
		  "uri": "/news/ign-uk-podcast-762-the-best-of-gamescom-2024/"
		}
	  ]
    }
  ]
}`

// dhg
var ids2 = []int64{361}
var ads2 = &Ads{}
var j2 = `{
  "accounts": {
    "test": "ca-pub-2821871715805907",
    "prod": "ca-pub-2821871715805907"
  },
  "webs": [
    {
      "host": "https://moads-dh.branchcn.com",
      "uris": [
        {
          "uri": "/post/the-cost-of-temptation/"
        },
        {
          "uri": "/post/the-temptation-within-a-tale-of-infidelity/"
        },
        {
          "uri": "/unexpected-encounter/sweet-deceptions-the-story-of-athena-and-dax/"
        }
      ]
    }
  ]
}`

// AdsRandOne 随便选一个
func AdsRandOne(prod bool, projectId int64) (act, host, uri string) {
	var obj = ads
	for _, id := range ids1 {
		if id == projectId {
			obj = ads1
			break
		}
	}

	for _, id := range ids2 {
		if id == projectId {
			obj = ads2
			break
		}
	}

	obj.lc.RLock()
	defer obj.lc.RUnlock()
	if prod {
		act = obj.Ad.Accounts.Prod
	} else {
		act = obj.Ad.Accounts.Test
	}

	var hostMap = make(map[string]*Web, len(obj.Ad.Webs))
	for _, web := range obj.Ad.Webs {
		hostMap[web.Host] = web
	}

	for _, web := range hostMap {
		host = web.Host

		var uriMap = make(map[string]struct{}, len(web.Uris))
		for _, v := range web.Uris {
			uriMap[v.Uri] = struct{}{}
		}

		for v := range uriMap {
			uri = v
			break
		}
		return
	}

	return
}

const ens = "cr6798rdervj4d3ekub0"

func Encode(userId, event, key, val string, t int64) string {
	v := fmt.Sprintf("%s:%s:%s:%s:%d:%s", userId, event, key, val, t, ens)

	hash := sha1.New()
	hash.Write([]byte(v))
	b := hash.Sum(nil)

	return hex.EncodeToString(b)
}

func TokenOk(token, userId, event, key, val string, t int64) bool {
	return token == Encode(userId, event, key, val, t)
}

// GetAdsFilePath 获取ads文件路径
func GetAdsFilePath() string {
	if !consts.RunTest {
		dir, _ := os.Getwd()
		return fmt.Sprintf("%s/asset/ads", dir)
	}

	_, filename, _, _ := runtime.Caller(0)
	current := filepath.Dir(filename)
	return fmt.Sprintf("%s/../../asset/ads", current)
}