package main

import (
	"context"
	"encoding/json"
	"errors"
	"flag"
	"fmt"
	"io"
	"net/http"
	"os"
	"time"

	"bindbox-game/configs"
	"bindbox-game/internal/pkg/env"
	"bindbox-game/internal/pkg/logger"
	"bindbox-game/internal/repository/mysql"
	"bindbox-game/internal/repository/mysql/model"
	douyin "bindbox-game/internal/service/douyin"
)

// staticSyscfg implements sysconfig.Service with fixed cookie
type staticSyscfg struct {
	cookie string
	proxy  string
}

func (s *staticSyscfg) GetByKey(ctx context.Context, key string) (*model.SystemConfigs, error) {
	switch key {
	case douyin.ConfigKeyDouyinCookie:
		if s.cookie == "" {
			return nil, errors.New("douyin cookie 未设置")
		}
		return &model.SystemConfigs{ConfigKey: key, ConfigValue: s.cookie}, nil
	case douyin.ConfigKeyDouyinInterval:
		return &model.SystemConfigs{ConfigKey: key, ConfigValue: "5"}, nil
	case douyin.ConfigKeyDouyinProxy:
		if s.proxy == "" {
			return nil, errors.New("douyin proxy 未设置")
		}
		return &model.SystemConfigs{ConfigKey: key, ConfigValue: s.proxy}, nil
	default:
		return nil, errors.New("暂不支持的配置 key: " + key)
	}
}

func (s *staticSyscfg) UpsertByKey(ctx context.Context, key string, value string, remark string) (*model.SystemConfigs, error) {
	return nil, errors.New("UpsertByKey 未实现")
}
func (s *staticSyscfg) ModifyByID(ctx context.Context, id int64, value *string, remark *string) error {
	return errors.New("ModifyByID 未实现")
}
func (s *staticSyscfg) DeleteByID(ctx context.Context, id int64) error {
	return errors.New("DeleteByID 未实现")
}
func (s *staticSyscfg) List(ctx context.Context, page int, pageSize int, keyword string) (items []*model.SystemConfigs, total int64, err error) {
	return nil, 0, errors.New("List 未实现")
}

func main() {
	minutes := flag.Int("minutes", 10, "同步最近多少分钟的订单")
	useProxy := flag.Bool("proxy", false, "是否使用服务内置代理")
	printLimit := flag.Int("print", 10, "同步后打印多少条订单 (0 表示不打印)")
	mode := flag.String("mode", "sync-all", "同步模式: sync-all(默认增量)/fetch(按绑定用户)/user(指定抖音 buyer)")
	grantMinesweeper := flag.Bool("grant-minesweeper", false, "同步后执行 GrantMinesweeperQualifications")
	fetchOnlyUnmatched := flag.Bool("fetch-only-unmatched", true, "按用户同步时是否仅同步未匹配订单的用户")
	fetchMaxUsers := flag.Int("fetch-max-users", 200, "按用户同步时最多处理的用户数量 (50-1000)")
	fetchBatchSize := flag.Int("fetch-batch-size", 20, "按用户同步时的单批次用户数量 (5-50)")
	fetchConcurrency := flag.Int("fetch-concurrency", 5, "按用户同步时的并发抓取数 (<=批次大小)")
	fetchDelay := flag.Int("fetch-delay-ms", 200, "批次之间的停顿时间 (毫秒)")
	buyer := flag.String("buyer", "", "指定抖音 ID (douyin_user_id / Buyer ID)，仅同步此用户。等价于 -mode user")
	proxyURL := flag.String("proxy-url", "", "覆盖代理地址 (例: http://user:pass@host:port)")
	replayURL := flag.String("replay-url", "", "[救急] 把浏览器抓到的完整 searchlist URL 贴进来，绕过风控直接同步")
	replayCookie := flag.String("replay-cookie", "", "[救急] 与 -replay-url 配套的 cookie 串")
	flag.Parse()

	env.Active() // 初始化 env flag（依赖已有的全局 -env/ACTIVE_ENV 配置）
	configs.Init()

	cookie := "passport_csrf_token=133a0751277aa016a5851e4cfc27c30c; passport_csrf_token_default=133a0751277aa016a5851e4cfc27c30c; s_v_web_id=verify_mmwdotm1_QYpHiLoc_99vO_49un_9xFU_0ZKfqsmF8gzh; is_staff_user=false; ttwid=1%7Caa-Nm2neyE97yjVd8lXbX7cMYg2IRxLWDrrcDT-XwQI%7C1778257690%7C8366dc43f20a0c89c5c9b77aaa7a5f554d1e2eed250b654e65ae9828aba5b8be; odin_tt=c4ebef3065193a34066032a3d3e72ecd8584a523548d361b090a303d3af9d410dde8802c1319457684ebca43f05632bf3a190329be76dc16918a45fc0453e4d0; uid_tt=8d9cfddb6881e9a2e5f2985ba1509aef; sid_tt=f5f318456b8263a30e1d4a6a5926ef41; sessionid=f5f318456b8263a30e1d4a6a5926ef41; sessionid_ss=f5f318456b8263a30e1d4a6a5926ef41; PHPSESSID=cf2e0d098639e2c3eed2d3d9eb1e0293; csrf_session_id=436ad6d84082eaf485438e339abd88df; ecom_gray_shop_id=156231010; sid_guard=f5f318456b8263a30e1d4a6a5926ef41%7C1778257842%7C5184000%7CTue%2C+07-Jul-2026+16%3A30%3A42+GMT"
	if cookie == "" {
		fmt.Println("请通过环境变量 DOUYIN_COOKIE 提供抖店 Cookie")
		os.Exit(1)
	}

	log, err := logger.NewCustomLogger(logger.WithDebugLevel(), logger.WithOutputInConsole())
	if err != nil {
		panic(err)
	}

	repo, err := mysql.New()
	if err != nil {
		panic(err)
	}
	defer repo.DbRClose()
	defer repo.DbWClose()

	if *proxyURL != "" {
		fmt.Printf("使用代理: %s\n", *proxyURL)
	}
	svc := douyin.New(log, repo, &staticSyscfg{cookie: cookie, proxy: *proxyURL}, nil, nil, nil)

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
	defer cancel()

	effectiveMode := *mode
	if *replayURL != "" {
		effectiveMode = "replay"
	} else if *buyer != "" {
		effectiveMode = "user"
	}

	switch effectiveMode {
	case "replay":
		if *replayURL == "" || *replayCookie == "" {
			fmt.Println("replay 模式需要同时提供 -replay-url 和 -replay-cookie")
			os.Exit(1)
		}
		if *buyer == "" {
			fmt.Println("replay 模式需要 -buyer 用于关联本地用户 ID")
			os.Exit(1)
		}
		var u model.Users
		if err := repo.GetDbR().Where("douyin_user_id = ?", *buyer).First(&u).Error; err != nil {
			fmt.Printf("未找到绑定该抖音 ID 的用户 (douyin_user_id=%s): %v\n", *buyer, err)
			os.Exit(1)
		}
		fmt.Printf("Replay：local_user_id=%d, nickname=%s, douyin_user_id=%s\n", u.ID, u.Nickname, u.DouyinUserID)
		newOrders, matched, total, err := replayFetchAndSync(ctx, svc, *replayURL, *replayCookie, u.ID)
		if err != nil {
			fmt.Printf("replay 失败: %v\n", err)
			os.Exit(1)
		}
		fmt.Printf("完成：抓取 %d，新订单 %d，匹配 %d。\n", total, newOrders, matched)
	case "user":
		if *buyer == "" {
			fmt.Println("使用 -mode user 时必须通过 -buyer 指定抖音 ID")
			os.Exit(1)
		}
		var u model.Users
		if err := repo.GetDbR().Where("douyin_user_id = ?", *buyer).First(&u).Error; err != nil {
			fmt.Printf("未找到绑定该抖音 ID 的用户 (douyin_user_id=%s): %v\n", *buyer, err)
			os.Exit(1)
		}
		fmt.Printf("开始 SyncUserOrders：local_user_id=%d, nickname=%s, douyin_user_id=%s\n",
			u.ID, u.Nickname, u.DouyinUserID)
		result, err := svc.SyncUserOrders(ctx, u.ID)
		if err != nil {
			fmt.Printf("SyncUserOrders 失败: %v\n", err)
			os.Exit(1)
		}
		fmt.Printf("完成：抓取 %d，新订单 %d，匹配 %d，用时 %.2fs。\nDebug: %s\n",
			result.TotalFetched, result.NewOrders, result.MatchedUsers,
			float64(result.ElapsedMS)/1000.0, result.DebugInfo)
	case "fetch":
		fmt.Println("开始 FetchAndSyncOrders（按绑定用户同步）...")
		result, err := svc.FetchAndSyncOrders(ctx, &douyin.FetchOptions{
			OnlyUnmatched:   *fetchOnlyUnmatched,
			MaxUsers:        *fetchMaxUsers,
			BatchSize:       *fetchBatchSize,
			Concurrency:     *fetchConcurrency,
			InterBatchDelay: time.Duration(*fetchDelay) * time.Millisecond,
		})
		if err != nil {
			panic(err)
		}
		fmt.Printf("完成：抓取 %d，新订单 %d，匹配 %d，处理用户 %d/%d，跳过 %d，用时 %.2fs。\n",
			result.TotalFetched, result.NewOrders, result.MatchedUsers,
			result.ProcessedUsers, result.TotalUsers, result.SkippedUsers,
			float64(result.ElapsedMS)/1000.0)
	case "sync-all":
		fallthrough
	default:
		duration := time.Duration(*minutes) * time.Minute
		fmt.Printf("开始 SyncAllOrders，duration=%s proxy=%v ...\n", duration, *useProxy)
		result, err := svc.SyncAllOrders(ctx, duration, *useProxy)
		if err != nil {
			panic(err)
		}
		fmt.Printf("完成：抓取 %d，新订单 %d，匹配 %d。\n", result.TotalFetched, result.NewOrders, result.MatchedUsers)
	}

	if *grantMinesweeper {
		fmt.Println("执行 GrantMinesweeperQualifications ...")
		if err := svc.GrantMinesweeperQualifications(ctx); err != nil {
			fmt.Printf("GrantMinesweeperQualifications 失败: %v\n", err)
		} else {
			fmt.Println("GrantMinesweeperQualifications 完成。")
		}
	}

	if *printLimit > 0 {
		var orders []model.DouyinOrders
		if err := repo.GetDbR().Order("id DESC").Limit(*printLimit).Find(&orders).Error; err != nil {
			fmt.Printf("读取订单列表失败: %v\n", err)
			return
		}
		fmt.Println("shop_order_id\torder_status\tdouyin_user_id\tlocal_user_id")
		for _, o := range orders {
			fmt.Printf("%s\t%d\t%s\t%s\n", o.ShopOrderID, o.OrderStatus, o.DouyinUserID, o.LocalUserID)
		}
	}
}

// go run cmd/douyin_sync_debug/main.go -env dev -mode fetch -fetch-only-unmatched=false -fetch-max-users=200 -fetch-batch-size=1 -fetch-concurrency=1 -fetch-delay-ms=0

// replayFetchAndSync 把浏览器抓到的完整 URL+cookie 直接打过去，绕开风控，然后把订单写入 DB
func replayFetchAndSync(ctx context.Context, svc douyin.Service, fullURL, cookie string, localUserID int64) (newOrders, matched, total int, err error) {
	req, err := http.NewRequestWithContext(ctx, "GET", fullURL, nil)
	if err != nil {
		return 0, 0, 0, fmt.Errorf("构造请求失败: %w", err)
	}
	req.Header.Set("Cookie", cookie)
	req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36")
	req.Header.Set("Accept", "application/json, text/plain, */*")
	req.Header.Set("Accept-Language", "zh-CN,zh;q=0.9")
	req.Header.Set("Referer", "https://fxg.jinritemai.com/ffa/morder/order/list")
	req.Header.Set("priority", "u=1, i")
	req.Header.Set("sec-ch-ua", `"Google Chrome";v="147", "Not.A/Brand";v="8", "Chromium";v="147"`)
	req.Header.Set("sec-ch-ua-mobile", "?0")
	req.Header.Set("sec-ch-ua-platform", `"macOS"`)
	req.Header.Set("sec-fetch-dest", "empty")
	req.Header.Set("sec-fetch-mode", "cors")
	req.Header.Set("sec-fetch-site", "same-origin")
	req.Close = true

	client := &http.Client{Timeout: 60 * time.Second}
	resp, err := client.Do(req)
	if err != nil {
		return 0, 0, 0, fmt.Errorf("请求失败: %w", err)
	}
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return 0, 0, 0, fmt.Errorf("读取响应失败: %w", err)
	}

	var wrap struct {
		St   int                     `json:"st"`
		Code int                     `json:"code"`
		Msg  string                  `json:"msg"`
		Data []douyin.DouyinOrderItem `json:"data"`
	}
	if err := json.Unmarshal(body, &wrap); err != nil {
		fmt.Printf("响应原文(前2000字节): %s\n", string(body[:min2k(len(body))]))
		return 0, 0, 0, fmt.Errorf("解析响应失败: %w", err)
	}
	if wrap.St != 0 && wrap.Code != 0 {
		return 0, 0, 0, fmt.Errorf("API 错误: %s (st=%d code=%d) body=%s", wrap.Msg, wrap.St, wrap.Code, string(body[:min2k(len(body))]))
	}

	total = len(wrap.Data)
	for i := range wrap.Data {
		isNew, isMatched := svc.SyncOrder(ctx, &wrap.Data[i], localUserID, "")
		if isNew {
			newOrders++
		}
		if isMatched {
			matched++
		}
	}
	return newOrders, matched, total, nil
}

func min2k(n int) int {
	if n > 2000 {
		return 2000
	}
	return n
}