package service

import (
	"testing"

	"affiliate_dash/internal/model"
)

func TestUserListFiltersByMerchantMembership(t *testing.T) {
	db := newServiceTestDB(t)
	merchantA := model.Merchant{Code: "user-merchant-a", Name: "商户 A", Status: model.MerchantStatusActive}
	merchantB := model.Merchant{Code: "user-merchant-b", Name: "商户 B", Status: model.MerchantStatusActive}
	if err := db.Create(&merchantA).Error; err != nil {
		t.Fatalf("create merchant a: %v", err)
	}
	if err := db.Create(&merchantB).Error; err != nil {
		t.Fatalf("create merchant b: %v", err)
	}
	userA := model.User{Username: "user-a", PasswordHash: "hash", Role: model.RoleMerchant, Status: 1}
	userB := model.User{Username: "user-b", PasswordHash: "hash", Role: model.RoleMerchant, Status: 1}
	if err := db.Create(&userA).Error; err != nil {
		t.Fatalf("create user a: %v", err)
	}
	if err := db.Create(&userB).Error; err != nil {
		t.Fatalf("create user b: %v", err)
	}
	if err := db.Create(&model.MerchantMember{MerchantID: merchantA.ID, UserID: userA.ID, Role: model.MemberRoleOperator, Status: 1}).Error; err != nil {
		t.Fatalf("create member a: %v", err)
	}
	if err := db.Create(&model.MerchantMember{MerchantID: merchantB.ID, UserID: userB.ID, Role: model.MemberRoleOperator, Status: 1}).Error; err != nil {
		t.Fatalf("create member b: %v", err)
	}

	active := 1
	list, total, err := NewUserService(db, nil).List(UserListQuery{
		MerchantID: merchantA.ID,
		Page:       1,
		Size:       20,
		Role:       model.RoleMerchant,
		Status:     &active,
	})
	if err != nil {
		t.Fatalf("list users: %v", err)
	}
	if total != 1 || len(list) != 1 || list[0].Username != "user-a" {
		t.Fatalf("expected only merchant A user, total=%d list=%+v", total, list)
	}
}