package apple

import (
	"bytes"
	"context"
	"encoding/base64"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"

	"github.com/alicebob/miniredis/v2"
	"github.com/gin-gonic/gin"
	"github.com/perfect-panel/server/internal/config"
	iapmodel "github.com/perfect-panel/server/internal/model/iap/apple"
	submodel "github.com/perfect-panel/server/internal/model/subscribe"
	usermodel "github.com/perfect-panel/server/internal/model/user"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/pkg/constant"
	"github.com/redis/go-redis/v9"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

// TestIAPAttachFlow 覆盖完整一次用户购买绑定的接口流程
// 步骤：初始化内存DB+Redis → 配置产品映射 → 创建用户与订阅计划 → 调用attach接口 → 断言返回与落库
func TestIAPAttachFlow(t *testing.T) {
	gin.SetMode(gin.TestMode)

	// sqlite 内存数据库
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite error: %v", err)
	}
	if err := db.AutoMigrate(
		&usermodel.User{},
		&iapmodel.Transaction{},
	); err != nil {
		t.Fatalf("automigrate error: %v", err)
	}
	// sqlite 手工创建 subscribe 与 user_subscribe 表，避免不兼容的默认值语法
	if err := db.Exec(`
CREATE TABLE IF NOT EXISTS subscribe (
  id INTEGER PRIMARY KEY,
  name TEXT,
  language TEXT,
  description TEXT,
  unit_price INTEGER,
  unit_time TEXT,
  discount TEXT,
  replacement INTEGER,
  inventory INTEGER,
  traffic INTEGER,
  speed_limit INTEGER,
  device_limit INTEGER,
  quota INTEGER,
  nodes TEXT,
  node_tags TEXT,
  show INTEGER,
  sell INTEGER,
  sort INTEGER,
  deduction_ratio INTEGER,
  allow_deduction INTEGER,
  reset_cycle INTEGER,
  renewal_reset INTEGER,
  created_at DATETIME,
  updated_at DATETIME
);
`).Error; err != nil {
		t.Fatalf("create subscribe table error: %v", err)
	}
	if err := db.Exec(`
CREATE TABLE IF NOT EXISTS user_subscribe (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  user_id INTEGER NOT NULL,
  order_id INTEGER,
  subscribe_id INTEGER NOT NULL,
  start_time DATETIME,
  expire_time DATETIME,
  finished_at DATETIME,
  traffic INTEGER DEFAULT 0,
  download INTEGER DEFAULT 0,
  upload INTEGER DEFAULT 0,
  token TEXT UNIQUE,
  uuid TEXT UNIQUE,
  status INTEGER DEFAULT 0,
  created_at DATETIME,
  updated_at DATETIME
);
`).Error; err != nil {
		t.Fatalf("create user_subscribe table error: %v", err)
	}
	// 内嵌 Redis
	mr, err := miniredis.Run()
	if err != nil {
		t.Fatalf("start miniredis error: %v", err)
	}
	defer mr.Close()
	rds := redis.NewClient(&redis.Options{Addr: mr.Addr()})

	// 配置 IAP 产品映射
	cd := `{
  "iapProductMap": {
    "com.airport.vpn.pass.30d": {
      "description": "30天通行证",
      "priceText": "¥28.00",
      "durationDays": 30,
      "tier": "Basic",
      "subscribeId": 1001
    }
  },
  "iapBundleId": "co.airoport.app.ios"
}`
	s := &svc.ServiceContext{
		DB:    db,
		Redis: rds,
		Config: config.Config{
			Site: config.SiteConfig{
				CustomData: cd,
			},
		},
	}
	// 初始化模型（与生产保持一致）
	s.UserModel = usermodel.NewModel(db, rds)
	s.SubscribeModel = submodel.NewModel(db, rds)
	s.IAPAppleTransactionModel = iapmodel.NewModel(db, rds)

	// 创建可售订阅计划（ID=1001）
	truePtr := func(b bool) *bool { return &b }
	if err := db.Create(&submodel.Subscribe{
		Id:       1001,
		Name:     "30D Pass",
		Sell:     truePtr(true),
		Language: "",
	}).Error; err != nil {
		t.Fatalf("create subscribe plan error: %v", err)
	}
	// 创建用户
	u := &usermodel.User{
		Id:                    1,
		Password:              "",
		Avatar:                "",
		Balance:               0,
		Commission:            0,
		ReferralPercentage:    0,
		OnlyFirstPurchase:     truePtr(true),
		Enable:                truePtr(true),
		IsAdmin:               truePtr(false),
		EnableBalanceNotify:   truePtr(false),
		EnableLoginNotify:     truePtr(false),
		EnableSubscribeNotify: truePtr(true),
		EnableTradeNotify:     truePtr(false),
	}
	if err := db.Create(u).Error; err != nil {
		t.Fatalf("create user error: %v", err)
	}

	// 构造最小 JWS（仅解析 payload）
	payload := map[string]interface{}{
		"bundleId":              "co.airoport.app.ios",
		"productId":             "com.airport.vpn.pass.unknown",
		"transactionId":         "1000000000001",
		"originalTransactionId": "1000000000000",
		"purchaseDate":          float64(time.Now().UnixMilli()),
	}
	data, _ := json.Marshal(payload)
	b64 := base64.RawURLEncoding.EncodeToString(data)
	jws := "header." + b64 + ".signature"

	// 组装路由（仅挂载 attach）
	r := gin.New()
	r.POST("/v1/public/iap/apple/transactions/attach", AttachAppleTransactionHandler(s))

	// 请求上下文注入登录用户
	type attachReq struct {
		SignedTransactionJWS string `json:"signed_transaction_jws"`
		DurationDays         int64  `json:"duration_days"`
		Tier                 string `json:"tier"`
		SubscribeId          int64  `json:"subscribe_id"`
	}
	body := attachReq{SignedTransactionJWS: jws, DurationDays: 30, Tier: "Basic", SubscribeId: 1001}
	bodyBytes, _ := json.Marshal(body)
	req, _ := http.NewRequest(http.MethodPost, "/v1/public/iap/apple/transactions/attach", bytes.NewReader(bodyBytes))
	req.Header.Set("Content-Type", "application/json")
	ctx := context.WithValue(req.Context(), constant.CtxKeyUser, u)
	req = req.WithContext(ctx)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	if w.Code != http.StatusOK {
		t.Fatalf("attach status != 200, got %d", w.Code)
	}
	// 解析响应包装
	var wrap struct {
		Code uint32 `json:"code"`
		Msg  string `json:"msg"`
		Data struct {
			ExpiresAt int64  `json:"expires_at"`
			Tier      string `json:"tier"`
		} `json:"data"`
	}
	if err := json.Unmarshal(w.Body.Bytes(), &wrap); err != nil {
		t.Fatalf("unmarshal attach resp error: %v", err)
	}
	if wrap.Code != 200 {
		t.Fatalf("attach code != 200, got %d, msg=%s", wrap.Code, wrap.Msg)
	}
	if wrap.Data.ExpiresAt <= time.Now().Unix() {
		t.Fatalf("expires_at invalid: %d", wrap.Data.ExpiresAt)
	}
	// 校验 user_subscribe 落库
	var count int64
	if err := db.Model(&usermodel.Subscribe{}).Where("user_id = ? AND subscribe_id = ?", u.Id, 1001).Count(&count).Error; err != nil {
		t.Fatalf("query user_subscribe error: %v", err)
	}
	if count == 0 {
		t.Fatalf("user_subscribe not inserted")
	}
}