package handler

import (
	"net/http"
	"net/http/httptest"
	"testing"

	errors "codeberg.org/danjones000/responsable-errors"
	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/assert"
)

func TestErrorMiddleware(t *testing.T) {
	gin.SetMode(gin.TestMode)
	w := httptest.NewRecorder()
	_, r := gin.CreateTestContext(w)
	r.Use(ErrorMiddleware())
	r.Use(HandlerWithErrorWrapper(func(c *gin.Context) error {
		return errors.Errorf(400, "Oops")
	}))
	r.GET("/", func(c *gin.Context) {
		c.JSON(200, gin.H{"Hello": "World"})
	})
	req, _ := http.NewRequest("GET", "/", nil)
	r.ServeHTTP(w, req)

	assert.Equal(t, 400, w.Code)
	assert.Equal(t, `{"error":"Oops"}`, w.Body.String())
}

func TestErrorNoResponseIfAlreadyWritten(t *testing.T) {
	gin.SetMode(gin.TestMode)
	w := httptest.NewRecorder()
	_, r := gin.CreateTestContext(w)
	r.Use(ErrorMiddleware())

	r.GET("/", HandlerWithErrorWrapper(func(c *gin.Context) error {
		c.JSON(200, gin.H{"Hello": "World"})
		return errors.Errorf(400, "Oops")
	}))
	req, _ := http.NewRequest("GET", "/", nil)
	r.ServeHTTP(w, req)

	assert.Equal(t, 200, w.Code)
	assert.Equal(t, `{"Hello":"World"}`, w.Body.String())

}