//go:build cgo

package auth

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"skeleton/config"
	"skeleton/database"
	"skeleton/middlewares"
	"skeleton/models"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

func TestBusinessErrorsUseHTTP200(t *testing.T) {
	cfg := config.DatabaseConfig{Driver: "sqlite", DSN: ":memory:", MaxIdleConns: 1, MaxOpenConns: 1}
	if err := database.Init(&cfg, zap.NewNop()); err != nil {
		t.Fatal(err)
	}
	t.Cleanup(func() { _ = database.Close() })
	if err := database.GetDB().AutoMigrate(&models.User{}); err != nil {
		t.Fatal(err)
	}
	middlewares.InitJWT("test-secret", 15, 24, "test")

	gin.SetMode(gin.TestMode)
	controller := NewController()
	router := gin.New()
	router.POST("/register", controller.Register)
	router.POST("/login", controller.Login)

	assertBusinessResponse(t, router, "/register", `{"username":"x","password":"short"}`, 400)
	assertBusinessResponse(t, router, "/register", `{"username":"demo","password":"change-me-123"}`, 200)
	assertBusinessResponse(t, router, "/login", `{"username":"demo","password":"wrong-password"}`, 401)
}

func assertBusinessResponse(t *testing.T, handler http.Handler, path, body string, wantCode int) {
	t.Helper()
	request := httptest.NewRequest(http.MethodPost, path, bytes.NewBufferString(body))
	request.Header.Set("Content-Type", "application/json")
	recorder := httptest.NewRecorder()
	handler.ServeHTTP(recorder, request)
	if recorder.Code != http.StatusOK {
		t.Fatalf("HTTP status = %d, want 200; body=%s", recorder.Code, recorder.Body.String())
	}
	var response struct {
		Code int `json:"code"`
	}
	if err := json.Unmarshal(recorder.Body.Bytes(), &response); err != nil {
		t.Fatal(err)
	}
	if response.Code != wantCode {
		t.Fatalf("business code = %d, want %d; body=%s", response.Code, wantCode, recorder.Body.String())
	}
}