package rechargeagency

import (
	"context"
	"testing"
	"time"

	"chatapp3-golang/internal/config"
	"chatapp3-golang/internal/integration"
	"chatapp3-golang/internal/model"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

type fakeJavaGateway struct {
	gotAuthorization string
	gotSysOrigin     string
	gotCursor        int
	gotLimit         int
	page             integration.FreightSellerPage
}

func (f *fakeJavaGateway) PageFreightSellers(_ context.Context, authorization string, sysOrigin string, cursor int, limit int) (integration.FreightSellerPage, error) {
	f.gotAuthorization = authorization
	f.gotSysOrigin = sysOrigin
	f.gotCursor = cursor
	f.gotLimit = limit
	return f.page, nil
}

func TestPageSellersUsesAuthenticatedUserAndMapsRecords(t *testing.T) {
	db, err := gorm.Open(sqlite.Open("file:"+t.Name()+"?mode=memory&cache=shared"), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	if err := db.AutoMigrate(&model.RechargeAgencySellerInfo{}); err != nil {
		t.Fatalf("auto migrate: %v", err)
	}
	if err := db.Create(&model.RechargeAgencySellerInfo{
		SysOrigin:  "LIKEI",
		UserID:     99,
		Whatsapp:   "+8613800138000",
		CreateTime: time.Now(),
		UpdateTime: time.Now(),
	}).Error; err != nil {
		t.Fatalf("seed whatsapp: %v", err)
	}

	java := &fakeJavaGateway{
		page: integration.FreightSellerPage{
			Total:   1,
			Current: 1,
			Size:    20,
			Records: []integration.FreightSellerRecord{
				{
					ID:               integration.Int64Value(11),
					SysOrigin:        "LIKEI",
					UserID:           integration.Int64Value(99),
					Balance:          integration.DecimalString("123.45"),
					SuperDealer:      true,
					NationalFlag:     []string{"", "https://flag.example/ae.png"},
					OwnNationalFlag:  "https://flag.example/own.png",
					BecomeDays:       7,
					TransactionCount: 12,
					UserBaseInfo: integration.FreightSellerProfile{
						Account:      "u99",
						UserNickname: "Nina",
						UserAvatar:   "https://avatar.example/u99.png",
						CountryCode:  "AE",
						CountryName:  "United Arab Emirates",
						RegionCode:   "MENA",
					},
				},
			},
		},
	}
	service := NewService(config.Config{}, db, java)

	resp, err := service.PageSellers(context.Background(), AuthUser{
		SysOrigin:     "likei",
		Authorization: "Bearer token",
	}, 0, 200)
	if err != nil {
		t.Fatalf("PageSellers() error = %v", err)
	}

	if java.gotAuthorization != "Bearer token" || java.gotSysOrigin != "LIKEI" {
		t.Fatalf("gateway auth/sysOrigin = %q/%q", java.gotAuthorization, java.gotSysOrigin)
	}
	if java.gotCursor != 1 || java.gotLimit != 100 {
		t.Fatalf("gateway cursor/limit = %d/%d", java.gotCursor, java.gotLimit)
	}
	if resp.Total != 1 || len(resp.Records) != 1 {
		t.Fatalf("response total/records = %d/%d", resp.Total, len(resp.Records))
	}
	record := resp.Records[0]
	if record.ID != 11 || record.UserID != 99 || record.Account != "u99" || record.UserNickname != "Nina" {
		t.Fatalf("mapped record identity mismatch: %+v", record)
	}
	if record.Balance != "123.45" || !record.SuperDealer || record.TransactionCount != 12 {
		t.Fatalf("mapped record stats mismatch: %+v", record)
	}
	if record.Whatsapp != "+8613800138000" {
		t.Fatalf("mapped whatsapp = %q", record.Whatsapp)
	}
	if len(record.NationalFlag) != 1 || record.NationalFlag[0] != "https://flag.example/ae.png" {
		t.Fatalf("mapped flags mismatch: %+v", record.NationalFlag)
	}
}

func TestPageSellersRequiresAuthorization(t *testing.T) {
	service := NewService(config.Config{}, nil, &fakeJavaGateway{})

	_, err := service.PageSellers(context.Background(), AuthUser{SysOrigin: "LIKEI"}, 1, 20)
	if err == nil {
		t.Fatal("PageSellers() error is nil")
	}
}