package httpapi

import (
	"os"
	"regexp"
	"testing"

	"github.com/google/uuid"
	"github.com/sundynix/pets-be/internal/config"
	"github.com/sundynix/pets-be/internal/database"
)

func TestDefaultNicknamePostgres(t *testing.T) {
	if os.Getenv("PETS_ADMIN_INTEGRATION") != "1" {
		t.Skip("PostgreSQL integration disabled")
	}
	cfg, err := config.Load()
	if err != nil {
		t.Fatal(err)
	}
	db, err := database.Open(cfg.Postgres, true)
	if err != nil {
		t.Fatal(err)
	}
	sqlDB, _ := db.DB()
	defer sqlDB.Close()
	tx := db.Begin()
	if tx.Error != nil {
		t.Fatal(tx.Error)
	}
	defer tx.Rollback()
	api := New(tx, nil, cfg)
	seen := map[string]bool{}
	for range 12 {
		openID := "nickname-test:" + uuid.NewString()
		user, err := api.findOrCreateUser(openID, "")
		if err != nil {
			t.Fatal(err)
		}
		if !regexp.MustCompile(`^毛孩家长\d{4,6}$`).MatchString(user.Nickname) {
			t.Fatalf("unexpected name %q", user.Nickname)
		}
		if seen[user.Nickname] {
			t.Fatalf("duplicate name %q", user.Nickname)
		}
		seen[user.Nickname] = true
		again, err := api.findOrCreateUser(openID, "不应覆盖的名字")
		if err != nil {
			t.Fatal(err)
		}
		if again.ID != user.ID || again.Nickname != user.Nickname {
			t.Fatal("relogin changed existing user")
		}
	}
	custom, err := api.findOrCreateUser("nickname-test:"+uuid.NewString(), "小豆的家长")
	if err != nil {
		t.Fatal(err)
	}
	if custom.Nickname != "小豆的家长" {
		t.Fatal("custom nickname lost")
	}
	again, err := api.findOrCreateUser(custom.OpenID, "")
	if err != nil {
		t.Fatal(err)
	}
	if again.Nickname != custom.Nickname {
		t.Fatal("relogin replaced custom nickname")
	}
}